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/ * *
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* matter - js 0.14 . 2 by @ liabru 2018 - 06 - 11
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* http : //brm.io/matter-js/
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* License MIT
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* /
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! function ( e ) { if ( "object" == typeof exports && "undefined" != typeof module ) module . exports = e ( ) ; else if ( "function" == typeof define && define . amd ) define ( [ ] , e ) ; else { var t ; t = "undefined" != typeof window ? window : "undefined" != typeof global ? global : "undefined" != typeof self ? self : this , t . Matter = e ( ) } } ( function ( ) { return function ( ) { function e ( t , n , o ) { function i ( s , a ) { if ( ! n [ s ] ) { if ( ! t [ s ] ) { var l = "function" == typeof require && require ; if ( ! a && l ) return l ( s , ! 0 ) ; if ( r ) return r ( s , ! 0 ) ; var c = new Error ( "Cannot find module '" + s + "'" ) ; throw c . code = "MODULE_NOT_FOUND" , c } var d = n [ s ] = { exports : { } } ; t [ s ] [ 0 ] . call ( d . exports , function ( e ) { return i ( t [ s ] [ 1 ] [ e ] || e ) } , d , d . exports , e , t , n , o ) } return n [ s ] . exports } for ( var r = "function" == typeof require && require , s = 0 ; s < o . length ; s ++ ) i ( o [ s ] ) ; return i } return e } ( ) ( { 1 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../geometry/Vertices" ) , r = e ( "../geometry/Vector" ) , s = e ( "../core/Sleeping" ) , a = ( e ( "../render/Render" ) , e ( "../core/Common" ) ) , l = e ( "../geometry/Bounds" ) , c = e ( "../geometry/Axes" ) ; ! function ( ) { o . _inertiaScale = 4 ,
o . _nextCollidingGroupId = 1 , o . _nextNonCollidingGroupId = - 1 , o . _nextCategory = 1 , o . create = function ( t ) { var n = { id : a . nextId ( ) , type : "body" , label : "Body" , parts : [ ] , plugin : { } , angle : 0 , vertices : i . fromPath ( "L 0 0 L 40 0 L 40 40 L 0 40" ) , position : { x : 0 , y : 0 } , force : { x : 0 , y : 0 } , torque : 0 , positionImpulse : { x : 0 , y : 0 } , constraintImpulse : { x : 0 , y : 0 , angle : 0 } , totalContacts : 0 , speed : 0 , angularSpeed : 0 , velocity : { x : 0 , y : 0 } , angularVelocity : 0 , isSensor : ! 1 , isStatic : ! 1 , isSleeping : ! 1 , motion : 0 , sleepThreshold : 60 , density : . 001 , restitution : 0 , friction : . 1 , frictionStatic : . 5 , frictionAir : . 01 , collisionFilter : { category : 1 , mask : 4294967295 , group : 0 } , slop : . 05 , timeScale : 1 , render : { visible : ! 0 , opacity : 1 , sprite : { xScale : 1 , yScale : 1 , xOffset : 0 , yOffset : 0 } , lineWidth : 0 } } , o = a . extend ( n , t ) ; return e ( o , t ) , o } , o . nextGroup = function ( e ) { return e ? o . _nextNonCollidingGroupId -- : o . _nextCollidingGroupId ++ } , o . nextCategory = function ( ) { return o . _nextCategory = o . _nextCategory << 1 , o . _nextCategory } ; var e = function ( e , t ) { t = t || { } , o . set ( e , { bounds : e . bounds || l . create ( e . vertices ) ,
positionPrev : e . positionPrev || r . clone ( e . position ) , anglePrev : e . anglePrev || e . angle , vertices : e . vertices , parts : e . parts || [ e ] , isStatic : e . isStatic , isSleeping : e . isSleeping , parent : e . parent || e } ) , i . rotate ( e . vertices , e . angle , e . position ) , c . rotate ( e . axes , e . angle ) , l . update ( e . bounds , e . vertices , e . velocity ) , o . set ( e , { axes : t . axes || e . axes , area : t . area || e . area , mass : t . mass || e . mass , inertia : t . inertia || e . inertia } ) ; var n = e . isStatic ? "#2e2b44" : a . choose ( [ "#006BA6" , "#0496FF" , "#FFBC42" , "#D81159" , "#8F2D56" ] ) ; e . render . fillStyle = e . render . fillStyle || n , e . render . strokeStyle = e . render . strokeStyle || "#000" , e . render . sprite . xOffset += - ( e . bounds . min . x - e . position . x ) / ( e . bounds . max . x - e . bounds . min . x ) , e . render . sprite . yOffset += - ( e . bounds . min . y - e . position . y ) / ( e . bounds . max . y - e . bounds . min . y ) } ; o . set = function ( e , t , n ) { var i ; "string" == typeof t && ( i = t , t = { } , t [ i ] = n ) ; for ( i in t ) if ( n = t [ i ] , t . hasOwnProperty ( i ) ) switch ( i ) { case "isStatic" : o . setStatic ( e , n ) ; break ; case "isSleeping" : s . set ( e , n ) ; break ; case "mass" : o . setMass ( e , n ) ; break ; case "density" : o . setDensity ( e , n )
; break ; case "inertia" : o . setInertia ( e , n ) ; break ; case "vertices" : o . setVertices ( e , n ) ; break ; case "position" : o . setPosition ( e , n ) ; break ; case "angle" : o . setAngle ( e , n ) ; break ; case "velocity" : o . setVelocity ( e , n ) ; break ; case "angularVelocity" : o . setAngularVelocity ( e , n ) ; break ; case "parts" : o . setParts ( e , n ) ; break ; default : e [ i ] = n } } , o . setStatic = function ( e , t ) { for ( var n = 0 ; n < e . parts . length ; n ++ ) { var o = e . parts [ n ] ; o . isStatic = t , t ? ( o . _original = { restitution : o . restitution , friction : o . friction , mass : o . mass , inertia : o . inertia , density : o . density , inverseMass : o . inverseMass , inverseInertia : o . inverseInertia } , o . restitution = 0 , o . friction = 1 , o . mass = o . inertia = o . density = 1 / 0 , o . inverseMass = o . inverseInertia = 0 , o . positionPrev . x = o . position . x , o . positionPrev . y = o . position . y , o . anglePrev = o . angle , o . angularVelocity = 0 , o . speed = 0 , o . angularSpeed = 0 , o . motion = 0 ) : o . _original && ( o . restitution = o . _original . restitution , o . friction = o . _original . friction , o . mass = o . _original . mass , o . inertia = o . _original . inertia , o . density = o . _original . density ,
o . inverseMass = o . _original . inverseMass , o . inverseInertia = o . _original . inverseInertia , delete o . _original ) } } , o . setMass = function ( e , t ) { var n = e . inertia / ( e . mass / 6 ) ; e . inertia = n * ( t / 6 ) , e . inverseInertia = 1 / e . inertia , e . mass = t , e . inverseMass = 1 / e . mass , e . density = e . mass / e . area } , o . setDensity = function ( e , t ) { o . setMass ( e , t * e . area ) , e . density = t } , o . setInertia = function ( e , t ) { e . inertia = t , e . inverseInertia = 1 / e . inertia } , o . setVertices = function ( e , t ) { t [ 0 ] . body === e ? e . vertices = t : e . vertices = i . create ( t , e ) , e . axes = c . fromVertices ( e . vertices ) , e . area = i . area ( e . vertices ) , o . setMass ( e , e . density * e . area ) ; var n = i . centre ( e . vertices ) ; i . translate ( e . vertices , n , - 1 ) , o . setInertia ( e , o . _inertiaScale * i . inertia ( e . vertices , e . mass ) ) , i . translate ( e . vertices , e . position ) , l . update ( e . bounds , e . vertices , e . velocity ) } , o . setParts = function ( e , t , n ) { var r ; for ( t = t . slice ( 0 ) , e . parts . length = 0 , e . parts . push ( e ) , e . parent = e , r = 0 ; r < t . length ; r ++ ) { var s = t [ r ] ; s !== e && ( s . parent = e , e . parts . push ( s ) ) } if ( 1 !== e . parts . length ) { if ( n = void 0 === n || n ) { var a = [ ]
; for ( r = 0 ; r < t . length ; r ++ ) a = a . concat ( t [ r ] . vertices ) ; i . clockwiseSort ( a ) ; var l = i . hull ( a ) , c = i . centre ( l ) ; o . setVertices ( e , l ) , i . translate ( e . vertices , c ) } var d = o . _totalProperties ( e ) ; e . area = d . area , e . parent = e , e . position . x = d . centre . x , e . position . y = d . centre . y , e . positionPrev . x = d . centre . x , e . positionPrev . y = d . centre . y , o . setMass ( e , d . mass ) , o . setInertia ( e , d . inertia ) , o . setPosition ( e , d . centre ) } } , o . setPosition = function ( e , t ) { var n = r . sub ( t , e . position ) ; e . positionPrev . x += n . x , e . positionPrev . y += n . y ; for ( var o = 0 ; o < e . parts . length ; o ++ ) { var s = e . parts [ o ] ; s . position . x += n . x , s . position . y += n . y , i . translate ( s . vertices , n ) , l . update ( s . bounds , s . vertices , e . velocity ) } } , o . setAngle = function ( e , t ) { var n = t - e . angle ; e . anglePrev += n ; for ( var o = 0 ; o < e . parts . length ; o ++ ) { var s = e . parts [ o ] ; s . angle += n , i . rotate ( s . vertices , n , e . position ) , c . rotate ( s . axes , n ) , l . update ( s . bounds , s . vertices , e . velocity ) , o > 0 && r . rotateAbout ( s . position , n , e . position , s . position ) } } , o . setVelocity = function ( e , t ) { e . positionPrev . x = e . position . x - t . x , e . positionPrev . y = e . position . y - t . y ,
e . velocity . x = t . x , e . velocity . y = t . y , e . speed = r . magnitude ( e . velocity ) } , o . setAngularVelocity = function ( e , t ) { e . anglePrev = e . angle - t , e . angularVelocity = t , e . angularSpeed = Math . abs ( e . angularVelocity ) } , o . translate = function ( e , t ) { o . setPosition ( e , r . add ( e . position , t ) ) } , o . rotate = function ( e , t , n ) { if ( n ) { var i = Math . cos ( t ) , r = Math . sin ( t ) , s = e . position . x - n . x , a = e . position . y - n . y ; o . setPosition ( e , { x : n . x + ( s * i - a * r ) , y : n . y + ( s * r + a * i ) } ) , o . setAngle ( e , e . angle + t ) } else o . setAngle ( e , e . angle + t ) } , o . scale = function ( e , t , n , r ) { var s = 0 , a = 0 ; r = r || e . position ; for ( var d = 0 ; d < e . parts . length ; d ++ ) { var u = e . parts [ d ] ; i . scale ( u . vertices , t , n , r ) , u . axes = c . fromVertices ( u . vertices ) , u . area = i . area ( u . vertices ) , o . setMass ( u , e . density * u . area ) , i . translate ( u . vertices , { x : - u . position . x , y : - u . position . y } ) , o . setInertia ( u , o . _inertiaScale * i . inertia ( u . vertices , u . mass ) ) , i . translate ( u . vertices , { x : u . position . x , y : u . position . y } ) , d > 0 && ( s += u . area , a += u . inertia ) , u . position . x = r . x + ( u . position . x - r . x ) * t , u . position . y = r . y + ( u . position . y - r . y ) * n , l . update ( u . bounds , u . vertices , e . velocity )
} e . parts . length > 1 && ( e . area = s , e . isStatic || ( o . setMass ( e , e . density * s ) , o . setInertia ( e , a ) ) ) , e . circleRadius && ( t === n ? e . circleRadius *= t : e . circleRadius = null ) } , o . update = function ( e , t , n , o ) { var s = Math . pow ( t * n * e . timeScale , 2 ) , a = 1 - e . frictionAir * n * e . timeScale , d = e . position . x - e . positionPrev . x , u = e . position . y - e . positionPrev . y ; e . velocity . x = d * a * o + e . force . x / e . mass * s , e . velocity . y = u * a * o + e . force . y / e . mass * s , e . positionPrev . x = e . position . x , e . positionPrev . y = e . position . y , e . position . x += e . velocity . x , e . position . y += e . velocity . y , e . angularVelocity = ( e . angle - e . anglePrev ) * a * o + e . torque / e . inertia * s , e . anglePrev = e . angle , e . angle += e . angularVelocity , e . speed = r . magnitude ( e . velocity ) , e . angularSpeed = Math . abs ( e . angularVelocity ) ; for ( var p = 0 ; p < e . parts . length ; p ++ ) { var f = e . parts [ p ] ; i . translate ( f . vertices , e . velocity ) , p > 0 && ( f . position . x += e . velocity . x , f . position . y += e . velocity . y ) , 0 !== e . angularVelocity && ( i . rotate ( f . vertices , e . angularVelocity , e . position ) , c . rotate ( f . axes , e . angularVelocity ) ,
p > 0 && r . rotateAbout ( f . position , e . angularVelocity , e . position , f . position ) ) , l . update ( f . bounds , f . vertices , e . velocity ) } } , o . applyForce = function ( e , t , n ) { e . force . x += n . x , e . force . y += n . y ; var o = { x : t . x - e . position . x , y : t . y - e . position . y } ; e . torque += o . x * n . y - o . y * n . x } , o . _totalProperties = function ( e ) { for ( var t = { mass : 0 , area : 0 , inertia : 0 , centre : { x : 0 , y : 0 } } , n = 1 === e . parts . length ? 0 : 1 ; n < e . parts . length ; n ++ ) { var o = e . parts [ n ] , i = o . mass !== 1 / 0 ? o . mass : 1 ; t . mass += i , t . area += o . area , t . inertia += o . inertia , t . centre = r . add ( t . centre , r . mult ( o . position , i ) ) } return t . centre = r . div ( t . centre , t . mass ) , t } } ( ) } , { "../core/Common" : 14 , "../core/Sleeping" : 22 , "../geometry/Axes" : 25 , "../geometry/Bounds" : 26 , "../geometry/Vector" : 28 , "../geometry/Vertices" : 29 , "../render/Render" : 31 } ] , 2 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../core/Events" ) , r = e ( "../core/Common" ) , s = e ( "../geometry/Bounds" ) , a = e ( "./Body" ) ; ! function ( ) { o . create = function ( e ) { return r . extend ( { id : r . nextId ( ) , type : "composite" , parent : null , isModified : ! 1 , bodies : [ ] , constraints : [ ] , composites : [ ] ,
label : "Composite" , plugin : { } } , e ) } , o . setModified = function ( e , t , n , i ) { if ( e . isModified = t , n && e . parent && o . setModified ( e . parent , t , n , i ) , i ) for ( var r = 0 ; r < e . composites . length ; r ++ ) { var s = e . composites [ r ] ; o . setModified ( s , t , n , i ) } } , o . add = function ( e , t ) { var n = [ ] . concat ( t ) ; i . trigger ( e , "beforeAdd" , { object : t } ) ; for ( var s = 0 ; s < n . length ; s ++ ) { var a = n [ s ] ; switch ( a . type ) { case "body" : if ( a . parent !== a ) { r . warn ( "Composite.add: skipped adding a compound body part (you must add its parent instead)" ) ; break } o . addBody ( e , a ) ; break ; case "constraint" : o . addConstraint ( e , a ) ; break ; case "composite" : o . addComposite ( e , a ) ; break ; case "mouseConstraint" : o . addConstraint ( e , a . constraint ) } } return i . trigger ( e , "afterAdd" , { object : t } ) , e } , o . remove = function ( e , t , n ) { var r = [ ] . concat ( t ) ; i . trigger ( e , "beforeRemove" , { object : t } ) ; for ( var s = 0 ; s < r . length ; s ++ ) { var a = r [ s ] ; switch ( a . type ) { case "body" : o . removeBody ( e , a , n ) ; break ; case "constraint" : o . removeConstraint ( e , a , n ) ; break ; case "composite" : o . removeComposite ( e , a , n ) ; break ; case "mouseConstraint" :
o . removeConstraint ( e , a . constraint ) } } return i . trigger ( e , "afterRemove" , { object : t } ) , e } , o . addComposite = function ( e , t ) { return e . composites . push ( t ) , t . parent = e , o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . removeComposite = function ( e , t , n ) { var i = r . indexOf ( e . composites , t ) ; if ( - 1 !== i && ( o . removeCompositeAt ( e , i ) , o . setModified ( e , ! 0 , ! 0 , ! 1 ) ) , n ) for ( var s = 0 ; s < e . composites . length ; s ++ ) o . removeComposite ( e . composites [ s ] , t , ! 0 ) ; return e } , o . removeCompositeAt = function ( e , t ) { return e . composites . splice ( t , 1 ) , o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . addBody = function ( e , t ) { return e . bodies . push ( t ) , o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . removeBody = function ( e , t , n ) { var i = r . indexOf ( e . bodies , t ) ; if ( - 1 !== i && ( o . removeBodyAt ( e , i ) , o . setModified ( e , ! 0 , ! 0 , ! 1 ) ) , n ) for ( var s = 0 ; s < e . composites . length ; s ++ ) o . removeBody ( e . composites [ s ] , t , ! 0 ) ; return e } , o . removeBodyAt = function ( e , t ) { return e . bodies . splice ( t , 1 ) , o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . addConstraint = function ( e , t ) { return e . constraints . push ( t ) , o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . removeConstraint = function ( e , t , n ) {
var i = r . indexOf ( e . constraints , t ) ; if ( - 1 !== i && o . removeConstraintAt ( e , i ) , n ) for ( var s = 0 ; s < e . composites . length ; s ++ ) o . removeConstraint ( e . composites [ s ] , t , ! 0 ) ; return e } , o . removeConstraintAt = function ( e , t ) { return e . constraints . splice ( t , 1 ) , o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . clear = function ( e , t , n ) { if ( n ) for ( var i = 0 ; i < e . composites . length ; i ++ ) o . clear ( e . composites [ i ] , t , ! 0 ) ; return t ? e . bodies = e . bodies . filter ( function ( e ) { return e . isStatic } ) : e . bodies . length = 0 , e . constraints . length = 0 , e . composites . length = 0 , o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . allBodies = function ( e ) { for ( var t = [ ] . concat ( e . bodies ) , n = 0 ; n < e . composites . length ; n ++ ) t = t . concat ( o . allBodies ( e . composites [ n ] ) ) ; return t } , o . allConstraints = function ( e ) { for ( var t = [ ] . concat ( e . constraints ) , n = 0 ; n < e . composites . length ; n ++ ) t = t . concat ( o . allConstraints ( e . composites [ n ] ) ) ; return t } , o . allComposites = function ( e ) { for ( var t = [ ] . concat ( e . composites ) , n = 0 ; n < e . composites . length ; n ++ ) t = t . concat ( o . allComposites ( e . composites [ n ] ) ) ; return t } , o . get = function ( e , t , n ) { var i , r ; switch ( n ) { case "body" :
i = o . allBodies ( e ) ; break ; case "constraint" : i = o . allConstraints ( e ) ; break ; case "composite" : i = o . allComposites ( e ) . concat ( e ) } return i ? ( r = i . filter ( function ( e ) { return e . id . toString ( ) === t . toString ( ) } ) , 0 === r . length ? null : r [ 0 ] ) : null } , o . move = function ( e , t , n ) { return o . remove ( e , t ) , o . add ( n , t ) , e } , o . rebase = function ( e ) { for ( var t = o . allBodies ( e ) . concat ( o . allConstraints ( e ) ) . concat ( o . allComposites ( e ) ) , n = 0 ; n < t . length ; n ++ ) t [ n ] . id = r . nextId ( ) ; return o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . translate = function ( e , t , n ) { for ( var i = n ? o . allBodies ( e ) : e . bodies , r = 0 ; r < i . length ; r ++ ) a . translate ( i [ r ] , t ) ; return o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . rotate = function ( e , t , n , i ) { for ( var r = Math . cos ( t ) , s = Math . sin ( t ) , l = i ? o . allBodies ( e ) : e . bodies , c = 0 ; c < l . length ; c ++ ) { var d = l [ c ] , u = d . position . x - n . x , p = d . position . y - n . y ; a . setPosition ( d , { x : n . x + ( u * r - p * s ) , y : n . y + ( u * s + p * r ) } ) , a . rotate ( d , t ) } return o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . scale = function ( e , t , n , i , r ) { for ( var s = r ? o . allBodies ( e ) : e . bodies , l = 0 ; l < s . length ; l ++ ) { var c = s [ l ] , d = c . position . x - i . x , u = c . position . y - i . y
; a . setPosition ( c , { x : i . x + d * t , y : i . y + u * n } ) , a . scale ( c , t , n ) } return o . setModified ( e , ! 0 , ! 0 , ! 1 ) , e } , o . bounds = function ( e ) { for ( var t = o . allBodies ( e ) , n = [ ] , i = 0 ; i < t . length ; i += 1 ) { var r = t [ i ] ; n . push ( r . bounds . min , r . bounds . max ) } return s . create ( n ) } } ( ) } , { "../core/Common" : 14 , "../core/Events" : 16 , "../geometry/Bounds" : 26 , "./Body" : 1 } ] , 3 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "./Composite" ) , r = ( e ( "../constraint/Constraint" ) , e ( "../core/Common" ) ) ; ! function ( ) { o . create = function ( e ) { var t = i . create ( ) , n = { label : "World" , gravity : { x : 0 , y : 1 , scale : . 001 } , bounds : { min : { x : - 1 / 0 , y : - 1 / 0 } , max : { x : 1 / 0 , y : 1 / 0 } } } ; return r . extend ( t , n , e ) } } ( ) } , { "../constraint/Constraint" : 12 , "../core/Common" : 14 , "./Composite" : 2 } ] , 4 : [ function ( e , t , n ) { var o = { } ; t . exports = o , function ( ) { o . create = function ( e ) { return { id : o . id ( e ) , vertex : e , normalImpulse : 0 , tangentImpulse : 0 } } , o . id = function ( e ) { return e . body . id + "_" + e . index } } ( ) } , { } ] , 5 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "./SAT" ) , r = e ( "./Pair" ) , s = e ( "../geometry/Bounds" ) ; ! function ( ) { o . collisions = function ( e , t ) {
for ( var n = [ ] , a = t . pairs . table , l = 0 ; l < e . length ; l ++ ) { var c = e [ l ] [ 0 ] , d = e [ l ] [ 1 ] ; if ( ( ! c . isStatic && ! c . isSleeping || ! d . isStatic && ! d . isSleeping ) && ( o . canCollide ( c . collisionFilter , d . collisionFilter ) && s . overlaps ( c . bounds , d . bounds ) ) ) for ( var u = c . parts . length > 1 ? 1 : 0 ; u < c . parts . length ; u ++ ) for ( var p = c . parts [ u ] , f = d . parts . length > 1 ? 1 : 0 ; f < d . parts . length ; f ++ ) { var m = d . parts [ f ] ; if ( p === c && m === d || s . overlaps ( p . bounds , m . bounds ) ) { var v , y = r . id ( p , m ) , g = a [ y ] ; v = g && g . isActive ? g . collision : null ; var x = i . collides ( p , m , v ) ; x . collided && n . push ( x ) } } } return n } , o . canCollide = function ( e , t ) { return e . group === t . group && 0 !== e . group ? e . group > 0 : 0 != ( e . mask & t . category ) && 0 != ( t . mask & e . category ) } } ( ) } , { "../geometry/Bounds" : 26 , "./Pair" : 7 , "./SAT" : 11 } ] , 6 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "./Pair" ) , r = e ( "./Detector" ) , s = e ( "../core/Common" ) ; ! function ( ) { o . create = function ( e ) { var t = { controller : o , detector : r . collisions , buckets : { } , pairs : { } , pairsList : [ ] , bucketWidth : 48 , bucketHeight : 48 } ; return s . extend ( t , e ) } , o . update = function ( e , t , n , i ) {
var r , s , a , l , c , d = n . world , u = e . buckets , p = ! 1 ; for ( r = 0 ; r < t . length ; r ++ ) { var f = t [ r ] ; if ( ( ! f . isSleeping || i ) && ! ( f . bounds . max . x < d . bounds . min . x || f . bounds . min . x > d . bounds . max . x || f . bounds . max . y < d . bounds . min . y || f . bounds . min . y > d . bounds . max . y ) ) { var m = o . _getRegion ( e , f ) ; if ( ! f . region || m . id !== f . region . id || i ) { f . region && ! i || ( f . region = m ) ; var v = o . _regionUnion ( m , f . region ) ; for ( s = v . startCol ; s <= v . endCol ; s ++ ) for ( a = v . startRow ; a <= v . endRow ; a ++ ) { c = o . _getBucketId ( s , a ) , l = u [ c ] ; var y = s >= m . startCol && s <= m . endCol && a >= m . startRow && a <= m . endRow , g = s >= f . region . startCol && s <= f . region . endCol && a >= f . region . startRow && a <= f . region . endRow ; ! y && g && g && l && o . _bucketRemoveBody ( e , l , f ) , ( f . region === m || y && ! g || i ) && ( l || ( l = o . _createBucket ( u , c ) ) , o . _bucketAddBody ( e , l , f ) ) } f . region = m , p = ! 0 } } } p && ( e . pairsList = o . _createActivePairsList ( e ) ) } , o . clear = function ( e ) { e . buckets = { } , e . pairs = { } , e . pairsList = [ ] } , o . _regionUnion = function ( e , t ) { var n = Math . min ( e . startCol , t . startCol ) , i = Math . max ( e . endCol , t . endCol ) , r = Math . min ( e . startRow , t . startRow ) , s = Math . max ( e . endRow , t . endRow )
; return o . _createRegion ( n , i , r , s ) } , o . _getRegion = function ( e , t ) { var n = t . bounds , i = Math . floor ( n . min . x / e . bucketWidth ) , r = Math . floor ( n . max . x / e . bucketWidth ) , s = Math . floor ( n . min . y / e . bucketHeight ) , a = Math . floor ( n . max . y / e . bucketHeight ) ; return o . _createRegion ( i , r , s , a ) } , o . _createRegion = function ( e , t , n , o ) { return { id : e + "," + t + "," + n + "," + o , startCol : e , endCol : t , startRow : n , endRow : o } } , o . _getBucketId = function ( e , t ) { return "C" + e + "R" + t } , o . _createBucket = function ( e , t ) { return e [ t ] = [ ] } , o . _bucketAddBody = function ( e , t , n ) { for ( var o = 0 ; o < t . length ; o ++ ) { var r = t [ o ] ; if ( ! ( n . id === r . id || n . isStatic && r . isStatic ) ) { var s = i . id ( n , r ) , a = e . pairs [ s ] ; a ? a [ 2 ] += 1 : e . pairs [ s ] = [ n , r , 1 ] } } t . push ( n ) } , o . _bucketRemoveBody = function ( e , t , n ) { t . splice ( s . indexOf ( t , n ) , 1 ) ; for ( var o = 0 ; o < t . length ; o ++ ) { var r = t [ o ] , a = i . id ( n , r ) , l = e . pairs [ a ] ; l && ( l [ 2 ] -= 1 ) } } , o . _createActivePairsList = function ( e ) { var t , n , o = [ ] ; t = s . keys ( e . pairs ) ; for ( var i = 0 ; i < t . length ; i ++ ) n = e . pairs [ t [ i ] ] , n [ 2 ] > 0 ? o . push ( n ) : delete e . pairs [ t [ i ] ] ; return o } } ( ) } , { "../core/Common" : 14 , "./Detector" : 5 , "./Pair" : 7 } ] ,
7 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "./Contact" ) ; ! function ( ) { o . create = function ( e , t ) { var n = e . bodyA , i = e . bodyB , r = e . parentA , s = e . parentB , a = { id : o . id ( n , i ) , bodyA : n , bodyB : i , contacts : { } , activeContacts : [ ] , separation : 0 , isActive : ! 0 , isSensor : n . isSensor || i . isSensor , timeCreated : t , timeUpdated : t , inverseMass : r . inverseMass + s . inverseMass , friction : Math . min ( r . friction , s . friction ) , frictionStatic : Math . max ( r . frictionStatic , s . frictionStatic ) , restitution : Math . max ( r . restitution , s . restitution ) , slop : Math . max ( r . slop , s . slop ) } ; return o . update ( a , e , t ) , a } , o . update = function ( e , t , n ) { var r = e . contacts , s = t . supports , a = e . activeContacts , l = t . parentA , c = t . parentB ; if ( e . collision = t , e . inverseMass = l . inverseMass + c . inverseMass , e . friction = Math . min ( l . friction , c . friction ) , e . frictionStatic = Math . max ( l . frictionStatic , c . frictionStatic ) , e . restitution = Math . max ( l . restitution , c . restitution ) , e . slop = Math . max ( l . slop , c . slop ) , a . length = 0 , t . collided ) { for ( var d = 0 ; d < s . length ; d ++ ) { var u = s [ d ] , p = i . id ( u ) , f = r [ p ] ; f ? a . push ( f ) : a . push ( r [ p ] = i . create ( u ) ) }
e . separation = t . depth , o . setActive ( e , ! 0 , n ) } else ! 0 === e . isActive && o . setActive ( e , ! 1 , n ) } , o . setActive = function ( e , t , n ) { t ? ( e . isActive = ! 0 , e . timeUpdated = n ) : ( e . isActive = ! 1 , e . activeContacts . length = 0 ) } , o . id = function ( e , t ) { return e . id < t . id ? "A" + e . id + "B" + t . id : "A" + t . id + "B" + e . id } } ( ) } , { "./Contact" : 4 } ] , 8 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "./Pair" ) , r = e ( "../core/Common" ) ; ! function ( ) { o . _pairMaxIdleLife = 1e3 , o . create = function ( e ) { return r . extend ( { table : { } , list : [ ] , collisionStart : [ ] , collisionActive : [ ] , collisionEnd : [ ] } , e ) } , o . update = function ( e , t , n ) { var o , s , a , l , c = e . list , d = e . table , u = e . collisionStart , p = e . collisionEnd , f = e . collisionActive , m = [ ] ; for ( u . length = 0 , p . length = 0 , f . length = 0 , l = 0 ; l < t . length ; l ++ ) o = t [ l ] , o . collided && ( s = i . id ( o . bodyA , o . bodyB ) , m . push ( s ) , a = d [ s ] , a ? ( a . isActive ? f . push ( a ) : u . push ( a ) , i . update ( a , o , n ) ) : ( a = i . create ( o , n ) , d [ s ] = a , u . push ( a ) , c . push ( a ) ) ) ; for ( l = 0 ; l < c . length ; l ++ ) a = c [ l ] , a . isActive && - 1 === r . indexOf ( m , a . id ) && ( i . setActive ( a , ! 1 , n ) , p . push ( a ) ) } , o . removeOld = function ( e , t ) {
var n , i , r , s , a = e . list , l = e . table , c = [ ] ; for ( s = 0 ; s < a . length ; s ++ ) n = a [ s ] , i = n . collision , i . bodyA . isSleeping || i . bodyB . isSleeping ? n . timeUpdated = t : t - n . timeUpdated > o . _pairMaxIdleLife && c . push ( s ) ; for ( s = 0 ; s < c . length ; s ++ ) r = c [ s ] - s , n = a [ r ] , delete l [ n . id ] , a . splice ( r , 1 ) } , o . clear = function ( e ) { return e . table = { } , e . list . length = 0 , e . collisionStart . length = 0 , e . collisionActive . length = 0 , e . collisionEnd . length = 0 , e } } ( ) } , { "../core/Common" : 14 , "./Pair" : 7 } ] , 9 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../geometry/Vector" ) , r = e ( "./SAT" ) , s = e ( "../geometry/Bounds" ) , a = e ( "../factory/Bodies" ) , l = e ( "../geometry/Vertices" ) ; ! function ( ) { o . collides = function ( e , t ) { for ( var n = [ ] , o = 0 ; o < t . length ; o ++ ) { var i = t [ o ] ; if ( s . overlaps ( i . bounds , e . bounds ) ) for ( var a = 1 === i . parts . length ? 0 : 1 ; a < i . parts . length ; a ++ ) { var l = i . parts [ a ] ; if ( s . overlaps ( l . bounds , e . bounds ) ) { var c = r . collides ( l , e ) ; if ( c . collided ) { n . push ( c ) ; break } } } } return n } , o . ray = function ( e , t , n , r ) { r = r || 1e-100
; for ( var s = i . angle ( t , n ) , l = i . magnitude ( i . sub ( t , n ) ) , c = . 5 * ( n . x + t . x ) , d = . 5 * ( n . y + t . y ) , u = a . rectangle ( c , d , l , r , { angle : s } ) , p = o . collides ( u , e ) , f = 0 ; f < p . length ; f += 1 ) { var m = p [ f ] ; m . body = m . bodyB = m . bodyA } return p } , o . region = function ( e , t , n ) { for ( var o = [ ] , i = 0 ; i < e . length ; i ++ ) { var r = e [ i ] , a = s . overlaps ( r . bounds , t ) ; ( a && ! n || ! a && n ) && o . push ( r ) } return o } , o . point = function ( e , t ) { for ( var n = [ ] , o = 0 ; o < e . length ; o ++ ) { var i = e [ o ] ; if ( s . contains ( i . bounds , t ) ) for ( var r = 1 === i . parts . length ? 0 : 1 ; r < i . parts . length ; r ++ ) { var a = i . parts [ r ] ; if ( s . contains ( a . bounds , t ) && l . contains ( a . vertices , t ) ) { n . push ( i ) ; break } } } return n } } ( ) } , { "../factory/Bodies" : 23 , "../geometry/Bounds" : 26 , "../geometry/Vector" : 28 , "../geometry/Vertices" : 29 , "./SAT" : 11 } ] , 10 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../geometry/Vertices" ) , r = e ( "../geometry/Vector" ) , s = e ( "../core/Common" ) , a = e ( "../geometry/Bounds" ) ; ! function ( ) { o . _restingThresh = 4 , o . _restingThreshTangent = 6 , o . _positionDampen = . 9 , o . _positionWarming = . 8 , o . _frictionNormalMultiplier = 5 , o . preSolvePosition = function ( e ) {
var t , n , o ; for ( t = 0 ; t < e . length ; t ++ ) n = e [ t ] , n . isActive && ( o = n . activeContacts . length , n . collision . parentA . totalContacts += o , n . collision . parentB . totalContacts += o ) } , o . solvePosition = function ( e , t ) { var n , i , s , a , l , c , d , u , p , f = r . _temp [ 0 ] , m = r . _temp [ 1 ] , v = r . _temp [ 2 ] , y = r . _temp [ 3 ] ; for ( n = 0 ; n < e . length ; n ++ ) i = e [ n ] , i . isActive && ! i . isSensor && ( s = i . collision , a = s . parentA , l = s . parentB , c = s . normal , d = r . sub ( r . add ( l . positionImpulse , l . position , f ) , r . add ( a . positionImpulse , r . sub ( l . position , s . penetration , m ) , v ) , y ) , i . separation = r . dot ( c , d ) ) ; for ( n = 0 ; n < e . length ; n ++ ) i = e [ n ] , i . isActive && ! i . isSensor && ( s = i . collision , a = s . parentA , l = s . parentB , c = s . normal , p = ( i . separation - i . slop ) * t , ( a . isStatic || l . isStatic ) && ( p *= 2 ) , a . isStatic || a . isSleeping || ( u = o . _positionDampen / a . totalContacts , a . positionImpulse . x += c . x * p * u , a . positionImpulse . y += c . y * p * u ) , l . isStatic || l . isSleeping || ( u = o . _positionDampen / l . totalContacts , l . positionImpulse . x -= c . x * p * u , l . positionImpulse . y -= c . y * p * u ) ) } , o . postSolvePosition = function ( e ) { for ( var t = 0 ; t < e . length ; t ++ ) { var n = e [ t ]
; if ( n . totalContacts = 0 , 0 !== n . positionImpulse . x || 0 !== n . positionImpulse . y ) { for ( var s = 0 ; s < n . parts . length ; s ++ ) { var l = n . parts [ s ] ; i . translate ( l . vertices , n . positionImpulse ) , a . update ( l . bounds , l . vertices , n . velocity ) , l . position . x += n . positionImpulse . x , l . position . y += n . positionImpulse . y } n . positionPrev . x += n . positionImpulse . x , n . positionPrev . y += n . positionImpulse . y , r . dot ( n . positionImpulse , n . velocity ) < 0 ? ( n . positionImpulse . x = 0 , n . positionImpulse . y = 0 ) : ( n . positionImpulse . x *= o . _positionWarming , n . positionImpulse . y *= o . _positionWarming ) } } } , o . preSolveVelocity = function ( e ) { var t , n , o , i , s , a , l , c , d , u , p , f , m , v , y = r . _temp [ 0 ] , g = r . _temp [ 1 ] ; for ( t = 0 ; t < e . length ; t ++ ) if ( o = e [ t ] , o . isActive && ! o . isSensor ) for ( i = o . activeContacts , s = o . collision , a = s . parentA , l = s . parentB , c = s . normal , d = s . tangent , n = 0 ; n < i . length ; n ++ ) u = i [ n ] , p = u . vertex , f = u . normalImpulse , m = u . tangentImpulse , 0 === f && 0 === m || ( y . x = c . x * f + d . x * m , y . y = c . y * f + d . y * m , a . isStatic || a . isSleeping || ( v = r . sub ( p , a . position , g ) , a . positionPrev . x += y . x * a . inverseMass , a . positionPrev . y += y . y * a . inverseMass ,
a . anglePrev += r . cross ( v , y ) * a . inverseInertia ) , l . isStatic || l . isSleeping || ( v = r . sub ( p , l . position , g ) , l . positionPrev . x -= y . x * l . inverseMass , l . positionPrev . y -= y . y * l . inverseMass , l . anglePrev -= r . cross ( v , y ) * l . inverseInertia ) ) } , o . solveVelocity = function ( e , t ) { for ( var n = t * t , i = r . _temp [ 0 ] , a = r . _temp [ 1 ] , l = r . _temp [ 2 ] , c = r . _temp [ 3 ] , d = r . _temp [ 4 ] , u = r . _temp [ 5 ] , p = 0 ; p < e . length ; p ++ ) { var f = e [ p ] ; if ( f . isActive && ! f . isSensor ) { var m = f . collision , v = m . parentA , y = m . parentB , g = m . normal , x = m . tangent , h = f . activeContacts , b = 1 / h . length ; v . velocity . x = v . position . x - v . positionPrev . x , v . velocity . y = v . position . y - v . positionPrev . y , y . velocity . x = y . position . x - y . positionPrev . x , y . velocity . y = y . position . y - y . positionPrev . y , v . angularVelocity = v . angle - v . anglePrev , y . angularVelocity = y . angle - y . anglePrev ; for ( var w = 0 ; w < h . length ; w ++ ) {
var S = h [ w ] , C = S . vertex , A = r . sub ( C , v . position , a ) , P = r . sub ( C , y . position , l ) , B = r . add ( v . velocity , r . mult ( r . perp ( A ) , v . angularVelocity ) , c ) , M = r . add ( y . velocity , r . mult ( r . perp ( P ) , y . angularVelocity ) , d ) , k = r . sub ( B , M , u ) , I = r . dot ( g , k ) , _ = r . dot ( x , k ) , T = Math . abs ( _ ) , R = s . sign ( _ ) , V = ( 1 + f . restitution ) * I , E = s . clamp ( f . separation + I , 0 , 1 ) * o . _frictionNormalMultiplier , L = _ , F = 1 / 0 ; T > f . friction * f . frictionStatic * E * n && ( F = T , L = s . clamp ( f . friction * R * n , - F , F ) ) ; var O = r . cross ( A , g ) , q = r . cross ( P , g ) , W = b / ( v . inverseMass + y . inverseMass + v . inverseInertia * O * O + y . inverseInertia * q * q ) ; if ( V *= W , L *= W , I < 0 && I * I > o . _restingThresh * n ) S . normalImpulse = 0 ; else { var D = S . normalImpulse ; S . normalImpulse = Math . min ( S . normalImpulse + V , 0 ) , V = S . normalImpulse - D } if ( _ * _ > o . _restingThreshTangent * n ) S . tangentImpulse = 0 ; else { var N = S . tangentImpulse ; S . tangentImpulse = s . clamp ( S . tangentImpulse + L , - F , F ) , L = S . tangentImpulse - N } i . x = g . x * V + x . x * L , i . y = g . y * V + x . y * L , v . isStatic || v . isSleeping || ( v . positionPrev . x += i . x * v . inverseMass , v . positionPrev . y += i . y * v . inverseMass ,
v . anglePrev += r . cross ( A , i ) * v . inverseInertia ) , y . isStatic || y . isSleeping || ( y . positionPrev . x -= i . x * y . inverseMass , y . positionPrev . y -= i . y * y . inverseMass , y . anglePrev -= r . cross ( P , i ) * y . inverseInertia ) } } } } } ( ) } , { "../core/Common" : 14 , "../geometry/Bounds" : 26 , "../geometry/Vector" : 28 , "../geometry/Vertices" : 29 } ] , 11 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../geometry/Vertices" ) , r = e ( "../geometry/Vector" ) ; ! function ( ) { o . collides = function ( e , t , n ) { var s , a , l , c , d = ! 1 ; if ( n ) { var u = e . parent , p = t . parent , f = u . speed * u . speed + u . angularSpeed * u . angularSpeed + p . speed * p . speed + p . angularSpeed * p . angularSpeed ; d = n && n . collided && f < . 2 , c = n } else c = { collided : ! 1 , bodyA : e , bodyB : t } ; if ( n && d ) { var m = c . axisBody , v = m === e ? t : e , y = [ m . axes [ n . axisNumber ] ] ; if ( l = o . _overlapAxes ( m . vertices , v . vertices , y ) , c . reused = ! 0 , l . overlap <= 0 ) return c . collided = ! 1 , c } else { if ( s = o . _overlapAxes ( e . vertices , t . vertices , e . axes ) , s . overlap <= 0 ) return c . collided = ! 1 , c ; if ( a = o . _overlapAxes ( t . vertices , e . vertices , t . axes ) , a . overlap <= 0 ) return c . collided = ! 1 , c ; s . overlap < a . overlap ? ( l = s ,
c . axisBody = e ) : ( l = a , c . axisBody = t ) , c . axisNumber = l . axisNumber } c . bodyA = e . id < t . id ? e : t , c . bodyB = e . id < t . id ? t : e , c . collided = ! 0 , c . depth = l . overlap , c . parentA = c . bodyA . parent , c . parentB = c . bodyB . parent , e = c . bodyA , t = c . bodyB , r . dot ( l . axis , r . sub ( t . position , e . position ) ) < 0 ? c . normal = { x : l . axis . x , y : l . axis . y } : c . normal = { x : - l . axis . x , y : - l . axis . y } , c . tangent = r . perp ( c . normal ) , c . penetration = c . penetration || { } , c . penetration . x = c . normal . x * c . depth , c . penetration . y = c . normal . y * c . depth ; var g = o . _findSupports ( e , t , c . normal ) , x = [ ] ; if ( i . contains ( e . vertices , g [ 0 ] ) && x . push ( g [ 0 ] ) , i . contains ( e . vertices , g [ 1 ] ) && x . push ( g [ 1 ] ) , x . length < 2 ) { var h = o . _findSupports ( t , e , r . neg ( c . normal ) ) ; i . contains ( t . vertices , h [ 0 ] ) && x . push ( h [ 0 ] ) , x . length < 2 && i . contains ( t . vertices , h [ 1 ] ) && x . push ( h [ 1 ] ) } return x . length < 1 && ( x = [ g [ 0 ] ] ) , c . supports = x , c } , o . _overlapAxes = function ( e , t , n ) { for ( var i , s , a = r . _temp [ 0 ] , l = r . _temp [ 1 ] , c = { overlap : Number . MAX _VALUE } , d = 0 ; d < n . length ; d ++ ) { if ( s = n [ d ] , o . _projectToAxis ( a , e , s ) , o . _projectToAxis ( l , t , s ) ,
( i = Math . min ( a . max - l . min , l . max - a . min ) ) <= 0 ) return c . overlap = i , c ; i < c . overlap && ( c . overlap = i , c . axis = s , c . axisNumber = d ) } return c } , o . _projectToAxis = function ( e , t , n ) { for ( var o = r . dot ( t [ 0 ] , n ) , i = o , s = 1 ; s < t . length ; s += 1 ) { var a = r . dot ( t [ s ] , n ) ; a > i ? i = a : a < o && ( o = a ) } e . min = o , e . max = i } , o . _findSupports = function ( e , t , n ) { for ( var o , i , s , a , l = Number . MAX _VALUE , c = r . _temp [ 0 ] , d = t . vertices , u = e . position , p = 0 ; p < d . length ; p ++ ) i = d [ p ] , c . x = i . x - u . x , c . y = i . y - u . y , ( o = - r . dot ( n , c ) ) < l && ( l = o , s = i ) ; return i = d [ s . index - 1 >= 0 ? s . index - 1 : d . length - 1 ] , c . x = i . x - u . x , c . y = i . y - u . y , l = - r . dot ( n , c ) , a = i , i = d [ ( s . index + 1 ) % d . length ] , c . x = i . x - u . x , c . y = i . y - u . y , o = - r . dot ( n , c ) , o < l && ( a = i ) , [ s , a ] } } ( ) } , { "../geometry/Vector" : 28 , "../geometry/Vertices" : 29 } ] , 12 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../geometry/Vertices" ) , r = e ( "../geometry/Vector" ) , s = e ( "../core/Sleeping" ) , a = e ( "../geometry/Bounds" ) , l = e ( "../geometry/Axes" ) , c = e ( "../core/Common" ) ; ! function ( ) { o . _warming = . 4 , o . _torqueDampen = 1 , o . _minLength = 1e-6 , o . create = function ( e ) { var t = e ; t . bodyA && ! t . pointA && ( t . pointA = { x : 0 , y : 0 } ) ,
t . bodyB && ! t . pointB && ( t . pointB = { x : 0 , y : 0 } ) ; var n = t . bodyA ? r . add ( t . bodyA . position , t . pointA ) : t . pointA , o = t . bodyB ? r . add ( t . bodyB . position , t . pointB ) : t . pointB , i = r . magnitude ( r . sub ( n , o ) ) ; t . length = void 0 !== t . length ? t . length : i , t . id = t . id || c . nextId ( ) , t . label = t . label || "Constraint" , t . type = "constraint" , t . stiffness = t . stiffness || ( t . length > 0 ? 1 : . 7 ) , t . damping = t . damping || 0 , t . angularStiffness = t . angularStiffness || 0 , t . angleA = t . bodyA ? t . bodyA . angle : t . angleA , t . angleB = t . bodyB ? t . bodyB . angle : t . angleB , t . plugin = { } ; var s = { visible : ! 0 , lineWidth : 2 , strokeStyle : "#ffffff" , type : "line" , anchors : ! 0 } ; return 0 === t . length && t . stiffness > . 1 ? ( s . type = "pin" , s . anchors = ! 1 ) : t . stiffness < . 9 && ( s . type = "spring" ) , t . render = c . extend ( s , t . render ) , t } , o . preSolveAll = function ( e ) { for ( var t = 0 ; t < e . length ; t += 1 ) { var n = e [ t ] , o = n . constraintImpulse ; n . isStatic || 0 === o . x && 0 === o . y && 0 === o . angle || ( n . position . x += o . x , n . position . y += o . y , n . angle += o . angle ) } } , o . solveAll = function ( e , t ) { for ( var n = 0 ; n < e . length ; n += 1 ) {
var i = e [ n ] , r = ! i . bodyA || i . bodyA && i . bodyA . isStatic , s = ! i . bodyB || i . bodyB && i . bodyB . isStatic ; ( r || s ) && o . solve ( e [ n ] , t ) } for ( n = 0 ; n < e . length ; n += 1 ) i = e [ n ] , r = ! i . bodyA || i . bodyA && i . bodyA . isStatic , s = ! i . bodyB || i . bodyB && i . bodyB . isStatic , r || s || o . solve ( e [ n ] , t ) } , o . solve = function ( e , t ) { var n = e . bodyA , i = e . bodyB , s = e . pointA , a = e . pointB ; if ( n || i ) { n && ! n . isStatic && ( r . rotate ( s , n . angle - e . angleA , s ) , e . angleA = n . angle ) , i && ! i . isStatic && ( r . rotate ( a , i . angle - e . angleB , a ) , e . angleB = i . angle ) ; var l = s , c = a ; if ( n && ( l = r . add ( n . position , s ) ) , i && ( c = r . add ( i . position , a ) ) , l && c ) { var d = r . sub ( l , c ) , u = r . magnitude ( d ) ; u < o . _minLength && ( u = o . _minLength ) ; var p , f , m , v , y , g = ( u - e . length ) / u , x = e . stiffness < 1 ? e . stiffness * t : e . stiffness , h = r . mult ( d , g * x ) , b = ( n ? n . inverseMass : 0 ) + ( i ? i . inverseMass : 0 ) , w = ( n ? n . inverseInertia : 0 ) + ( i ? i . inverseInertia : 0 ) , S = b + w ; if ( e . damping ) { var C = r . create ( ) ; m = r . div ( d , u ) , y = r . sub ( i && r . sub ( i . position , i . positionPrev ) || C , n && r . sub ( n . position , n . positionPrev ) || C ) , v = r . dot ( m , y ) } n && ! n . isStatic && ( f = n . inverseMass / b , n . constraintImpulse . x -= h . x * f ,
n . constraintImpulse . y -= h . y * f , n . position . x -= h . x * f , n . position . y -= h . y * f , e . damping && ( n . positionPrev . x -= e . damping * m . x * v * f , n . positionPrev . y -= e . damping * m . y * v * f ) , p = r . cross ( s , h ) / S * o . _torqueDampen * n . inverseInertia * ( 1 - e . angularStiffness ) , n . constraintImpulse . angle -= p , n . angle -= p ) , i && ! i . isStatic && ( f = i . inverseMass / b , i . constraintImpulse . x += h . x * f , i . constraintImpulse . y += h . y * f , i . position . x += h . x * f , i . position . y += h . y * f , e . damping && ( i . positionPrev . x += e . damping * m . x * v * f , i . positionPrev . y += e . damping * m . y * v * f ) , p = r . cross ( a , h ) / S * o . _torqueDampen * i . inverseInertia * ( 1 - e . angularStiffness ) , i . constraintImpulse . angle += p , i . angle += p ) } } } , o . postSolveAll = function ( e ) { for ( var t = 0 ; t < e . length ; t ++ ) { var n = e [ t ] , c = n . constraintImpulse ; if ( ! ( n . isStatic || 0 === c . x && 0 === c . y && 0 === c . angle ) ) { s . set ( n , ! 1 ) ; for ( var d = 0 ; d < n . parts . length ; d ++ ) { var u = n . parts [ d ] ; i . translate ( u . vertices , c ) , d > 0 && ( u . position . x += c . x , u . position . y += c . y ) , 0 !== c . angle && ( i . rotate ( u . vertices , c . angle , n . position ) , l . rotate ( u . axes , c . angle ) ,
d > 0 && r . rotateAbout ( u . position , c . angle , n . position , u . position ) ) , a . update ( u . bounds , u . vertices , n . velocity ) } c . angle *= o . _warming , c . x *= o . _warming , c . y *= o . _warming } } } } ( ) } , { "../core/Common" : 14 , "../core/Sleeping" : 22 , "../geometry/Axes" : 25 , "../geometry/Bounds" : 26 , "../geometry/Vector" : 28 , "../geometry/Vertices" : 29 } ] , 13 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../geometry/Vertices" ) , r = e ( "../core/Sleeping" ) , s = e ( "../core/Mouse" ) , a = e ( "../core/Events" ) , l = e ( "../collision/Detector" ) , c = e ( "./Constraint" ) , d = e ( "../body/Composite" ) , u = e ( "../core/Common" ) , p = e ( "../geometry/Bounds" ) ; ! function ( ) { o . create = function ( e , t ) { var n = ( e ? e . mouse : null ) || ( t ? t . mouse : null ) ; n || ( e && e . render && e . render . canvas ? n = s . create ( e . render . canvas ) : t && t . element ? n = s . create ( t . element ) : ( n = s . create ( ) , u . warn ( "MouseConstraint.create: options.mouse was undefined, options.element was undefined, may not function as expected" ) ) ) ; var i = c . create ( { label : "Mouse Constraint" , pointA : n . position , pointB : { x : 0 , y : 0 } , length : . 01 , stiffness : . 1 , angularStiffness : 1 ,
render : { strokeStyle : "#90EE90" , lineWidth : 3 } } ) , r = { type : "mouseConstraint" , mouse : n , element : null , body : null , constraint : i , collisionFilter : { category : 1 , mask : 4294967295 , group : 0 } } , l = u . extend ( r , t ) ; return a . on ( e , "beforeUpdate" , function ( ) { var t = d . allBodies ( e . world ) ; o . update ( l , t ) , o . _triggerEvents ( l ) } ) , l } , o . update = function ( e , t ) { var n = e . mouse , o = e . constraint , s = e . body ; if ( 0 === n . button ) { if ( o . bodyB ) r . set ( o . bodyB , ! 1 ) , o . pointA = n . position ; else for ( var c = 0 ; c < t . length ; c ++ ) if ( s = t [ c ] , p . contains ( s . bounds , n . position ) && l . canCollide ( s . collisionFilter , e . collisionFilter ) ) for ( var d = s . parts . length > 1 ? 1 : 0 ; d < s . parts . length ; d ++ ) { var u = s . parts [ d ] ; if ( i . contains ( u . vertices , n . position ) ) { o . pointA = n . position , o . bodyB = e . body = s , o . pointB = { x : n . position . x - s . position . x , y : n . position . y - s . position . y } , o . angleB = s . angle , r . set ( s , ! 1 ) , a . trigger ( e , "startdrag" , { mouse : n , body : s } ) ; break } } } else o . bodyB = e . body = null , o . pointB = null , s && a . trigger ( e , "enddrag" , { mouse : n , body : s } ) } , o . _triggerEvents = function ( e ) { var t = e . mouse , n = t . sourceEvents
; n . mousemove && a . trigger ( e , "mousemove" , { mouse : t } ) , n . mousedown && a . trigger ( e , "mousedown" , { mouse : t } ) , n . mouseup && a . trigger ( e , "mouseup" , { mouse : t } ) , s . clearSourceEvents ( t ) } } ( ) } , { "../body/Composite" : 2 , "../collision/Detector" : 5 , "../core/Common" : 14 , "../core/Events" : 16 , "../core/Mouse" : 19 , "../core/Sleeping" : 22 , "../geometry/Bounds" : 26 , "../geometry/Vertices" : 29 , "./Constraint" : 12 } ] , 14 : [ function ( e , t , n ) { ( function ( n ) { var o = { } ; t . exports = o , function ( ) { o . _nextId = 0 , o . _seed = 0 , o . _nowStartTime = + new Date , o . extend = function ( e , t ) { var n , i ; "boolean" == typeof t ? ( n = 2 , i = t ) : ( n = 1 , i = ! 0 ) ; for ( var r = n ; r < arguments . length ; r ++ ) { var s = arguments [ r ] ; if ( s ) for ( var a in s ) i && s [ a ] && s [ a ] . constructor === Object ? e [ a ] && e [ a ] . constructor !== Object ? e [ a ] = s [ a ] : ( e [ a ] = e [ a ] || { } , o . extend ( e [ a ] , i , s [ a ] ) ) : e [ a ] = s [ a ] } return e } , o . clone = function ( e , t ) { return o . extend ( { } , t , e ) } , o . keys = function ( e ) { if ( Object . keys ) return Object . keys ( e ) ; var t = [ ] ; for ( var n in e ) t . push ( n ) ; return t } , o . values = function ( e ) { var t = [ ] ; if ( Object . keys ) {
for ( var n = Object . keys ( e ) , o = 0 ; o < n . length ; o ++ ) t . push ( e [ n [ o ] ] ) ; return t } for ( var i in e ) t . push ( e [ i ] ) ; return t } , o . get = function ( e , t , n , o ) { t = t . split ( "." ) . slice ( n , o ) ; for ( var i = 0 ; i < t . length ; i += 1 ) e = e [ t [ i ] ] ; return e } , o . set = function ( e , t , n , i , r ) { var s = t . split ( "." ) . slice ( i , r ) ; return o . get ( e , t , 0 , - 1 ) [ s [ s . length - 1 ] ] = n , n } , o . shuffle = function ( e ) { for ( var t = e . length - 1 ; t > 0 ; t -- ) { var n = Math . floor ( o . random ( ) * ( t + 1 ) ) , i = e [ t ] ; e [ t ] = e [ n ] , e [ n ] = i } return e } , o . choose = function ( e ) { return e [ Math . floor ( o . random ( ) * e . length ) ] } , o . isElement = function ( e ) { return "undefined" != typeof HTMLElement ? e instanceof HTMLElement : ! ! ( e && e . nodeType && e . nodeName ) } , o . isArray = function ( e ) { return "[object Array]" === Object . prototype . toString . call ( e ) } , o . isFunction = function ( e ) { return "function" == typeof e } , o . isPlainObject = function ( e ) { return "object" == typeof e && e . constructor === Object } , o . isString = function ( e ) { return "[object String]" === toString . call ( e ) } , o . clamp = function ( e , t , n ) { return e < t ? t : e > n ? n : e } , o . sign = function ( e ) { return e < 0 ? - 1 : 1 } , o . now = function ( ) {
if ( window . performance ) { if ( window . performance . now ) return window . performance . now ( ) ; if ( window . performance . webkitNow ) return window . performance . webkitNow ( ) } return new Date - o . _nowStartTime } , o . random = function ( e , n ) { return e = void 0 !== e ? e : 0 , n = void 0 !== n ? n : 1 , e + t ( ) * ( n - e ) } ; var t = function ( ) { return o . _seed = ( 9301 * o . _seed + 49297 ) % 233280 , o . _seed / 233280 } ; o . colorToNumber = function ( e ) { return e = e . replace ( "#" , "" ) , 3 == e . length && ( e = e . charAt ( 0 ) + e . charAt ( 0 ) + e . charAt ( 1 ) + e . charAt ( 1 ) + e . charAt ( 2 ) + e . charAt ( 2 ) ) , parseInt ( e , 16 ) } , o . logLevel = 1 , o . log = function ( ) { console && o . logLevel > 0 && o . logLevel <= 3 && console . log . apply ( console , [ "matter-js:" ] . concat ( Array . prototype . slice . call ( arguments ) ) ) } , o . info = function ( ) { console && o . logLevel > 0 && o . logLevel <= 2 && console . info . apply ( console , [ "matter-js:" ] . concat ( Array . prototype . slice . call ( arguments ) ) ) } , o . warn = function ( ) { console && o . logLevel > 0 && o . logLevel <= 3 && console . warn . apply ( console , [ "matter-js:" ] . concat ( Array . prototype . slice . call ( arguments ) ) ) } , o . nextId = function ( ) { return o . _nextId ++ } ,
o . indexOf = function ( e , t ) { if ( e . indexOf ) return e . indexOf ( t ) ; for ( var n = 0 ; n < e . length ; n ++ ) if ( e [ n ] === t ) return n ; return - 1 } , o . map = function ( e , t ) { if ( e . map ) return e . map ( t ) ; for ( var n = [ ] , o = 0 ; o < e . length ; o += 1 ) n . push ( t ( e [ o ] ) ) ; return n } , o . topologicalSort = function ( e ) { var t = [ ] , n = [ ] , i = [ ] ; for ( var r in e ) n [ r ] || i [ r ] || o . _topologicalSort ( r , n , i , e , t ) ; return t } , o . _topologicalSort = function ( e , t , n , i , r ) { var s = i [ e ] || [ ] ; n [ e ] = ! 0 ; for ( var a = 0 ; a < s . length ; a += 1 ) { var l = s [ a ] ; n [ l ] || ( t [ l ] || o . _topologicalSort ( l , t , n , i , r ) ) } n [ e ] = ! 1 , t [ e ] = ! 0 , r . push ( e ) } , o . chain = function ( ) { for ( var e = [ ] , t = 0 ; t < arguments . length ; t += 1 ) { var n = arguments [ t ] ; n . _chained ? e . push . apply ( e , n . _chained ) : e . push ( n ) } var o = function ( ) { for ( var t , n = new Array ( arguments . length ) , o = 0 , i = arguments . length ; o < i ; o ++ ) n [ o ] = arguments [ o ] ; for ( o = 0 ; o < e . length ; o += 1 ) { var r = e [ o ] . apply ( t , n ) ; void 0 !== r && ( t = r ) } return t } ; return o . _chained = e , o } , o . chainPathBefore = function ( e , t , n ) { return o . set ( e , t , o . chain ( n , o . get ( e , t ) ) ) } , o . chainPathAfter = function ( e , t , n ) { return o . set ( e , t , o . chain ( o . get ( e , t ) , n ) ) } ,
o . _requireGlobal = function ( t , o ) { return ( "undefined" != typeof window ? window [ t ] : void 0 !== n ? n [ t ] : null ) || e ( o ) } } ( ) } ) . call ( this , "undefined" != typeof global ? global : "undefined" != typeof self ? self : "undefined" != typeof window ? window : { } ) } , { } ] , 15 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../body/World" ) , r = e ( "./Sleeping" ) , s = e ( "../collision/Resolver" ) , a = e ( "../render/Render" ) , l = e ( "../collision/Pairs" ) , c = ( e ( "./Metrics" ) , e ( "../collision/Grid" ) ) , d = e ( "./Events" ) , u = e ( "../body/Composite" ) , p = e ( "../constraint/Constraint" ) , f = e ( "./Common" ) , m = e ( "../body/Body" ) ; ! function ( ) { o . create = function ( e , t ) { t = f . isElement ( e ) ? t : e , e = f . isElement ( e ) ? e : null , t = t || { } , ( e || t . render ) && f . warn ( "Engine.create: engine.render is deprecated (see docs)" ) ; var n = { positionIterations : 6 , velocityIterations : 4 , constraintIterations : 2 , enableSleeping : ! 1 , events : [ ] , plugin : { } , timing : { timestamp : 0 , timeScale : 1 } , broadphase : { controller : c } } , o = f . extend ( n , t ) ; if ( e || o . render ) { var r = { element : e , controller : a } ; o . render = f . extend ( r , o . render ) }
return o . render && o . render . controller && ( o . render = o . render . controller . create ( o . render ) ) , o . render && ( o . render . engine = o ) , o . world = t . world || i . create ( o . world ) , o . pairs = l . create ( ) , o . broadphase = o . broadphase . controller . create ( o . broadphase ) , o . metrics = o . metrics || { extended : ! 1 } , o } , o . update = function ( e , t , n ) { t = t || 1e3 / 60 , n = n || 1 ; var i , a = e . world , c = e . timing , f = e . broadphase , m = [ ] ; c . timestamp += t * c . timeScale ; var v = { timestamp : c . timestamp } ; d . trigger ( e , "beforeUpdate" , v ) ; var y = u . allBodies ( a ) , g = u . allConstraints ( a ) ; for ( e . enableSleeping && r . update ( y , c . timeScale ) , o . _bodiesApplyGravity ( y , a . gravity ) , o . _bodiesUpdate ( y , t , c . timeScale , n , a . bounds ) , p . preSolveAll ( y ) , i = 0 ; i < e . constraintIterations ; i ++ ) p . solveAll ( g , c . timeScale ) ; p . postSolveAll ( y ) , f . controller ? ( a . isModified && f . controller . clear ( f ) , f . controller . update ( f , y , e , a . isModified ) , m = f . pairsList ) : m = y , a . isModified && u . setModified ( a , ! 1 , ! 1 , ! 0 ) ; var x = f . detector ( m , e ) , h = e . pairs , b = c . timestamp ; for ( l . update ( h , x , b ) , l . removeOld ( h , b ) , e . enableSleeping && r . afterCollisions ( h . list , c . timeScale ) ,
h . collisionStart . length > 0 && d . trigger ( e , "collisionStart" , { pairs : h . collisionStart } ) , s . preSolvePosition ( h . list ) , i = 0 ; i < e . positionIterations ; i ++ ) s . solvePosition ( h . list , c . timeScale ) ; for ( s . postSolvePosition ( y ) , p . preSolveAll ( y ) , i = 0 ; i < e . constraintIterations ; i ++ ) p . solveAll ( g , c . timeScale ) ; for ( p . postSolveAll ( y ) , s . preSolveVelocity ( h . list ) , i = 0 ; i < e . velocityIterations ; i ++ ) s . solveVelocity ( h . list , c . timeScale ) ; return h . collisionActive . length > 0 && d . trigger ( e , "collisionActive" , { pairs : h . collisionActive } ) , h . collisionEnd . length > 0 && d . trigger ( e , "collisionEnd" , { pairs : h . collisionEnd } ) , o . _bodiesClearForces ( y ) , d . trigger ( e , "afterUpdate" , v ) , e } , o . merge = function ( e , t ) { if ( f . extend ( e , t ) , t . world ) { e . world = t . world , o . clear ( e ) ; for ( var n = u . allBodies ( e . world ) , i = 0 ; i < n . length ; i ++ ) { var s = n [ i ] ; r . set ( s , ! 1 ) , s . id = f . nextId ( ) } } } , o . clear = function ( e ) { var t = e . world ; l . clear ( e . pairs ) ; var n = e . broadphase ; if ( n . controller ) { var o = u . allBodies ( t ) ; n . controller . clear ( n ) , n . controller . update ( n , o , e , ! 0 ) } } , o . _bodiesClearForces = function ( e ) {
for ( var t = 0 ; t < e . length ; t ++ ) { var n = e [ t ] ; n . force . x = 0 , n . force . y = 0 , n . torque = 0 } } , o . _bodiesApplyGravity = function ( e , t ) { var n = void 0 !== t . scale ? t . scale : . 001 ; if ( ( 0 !== t . x || 0 !== t . y ) && 0 !== n ) for ( var o = 0 ; o < e . length ; o ++ ) { var i = e [ o ] ; i . isStatic || i . isSleeping || ( i . force . y += i . mass * t . y * n , i . force . x += i . mass * t . x * n ) } } , o . _bodiesUpdate = function ( e , t , n , o , i ) { for ( var r = 0 ; r < e . length ; r ++ ) { var s = e [ r ] ; s . isStatic || s . isSleeping || m . update ( s , t , n , o ) } } } ( ) } , { "../body/Body" : 1 , "../body/Composite" : 2 , "../body/World" : 3 , "../collision/Grid" : 6 , "../collision/Pairs" : 8 , "../collision/Resolver" : 10 , "../constraint/Constraint" : 12 , "../render/Render" : 31 , "./Common" : 14 , "./Events" : 16 , "./Metrics" : 18 , "./Sleeping" : 22 } ] , 16 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "./Common" ) ; ! function ( ) { o . on = function ( e , t , n ) { for ( var o , i = t . split ( " " ) , r = 0 ; r < i . length ; r ++ ) o = i [ r ] , e . events = e . events || { } , e . events [ o ] = e . events [ o ] || [ ] , e . events [ o ] . push ( n ) ; return n } , o . off = function ( e , t , n ) { if ( ! t ) return void ( e . events = { } ) ; "function" == typeof t && ( n = t , t = i . keys ( e . events ) . join ( " " ) )
; for ( var o = t . split ( " " ) , r = 0 ; r < o . length ; r ++ ) { var s = e . events [ o [ r ] ] , a = [ ] ; if ( n && s ) for ( var l = 0 ; l < s . length ; l ++ ) s [ l ] !== n && a . push ( s [ l ] ) ; e . events [ o [ r ] ] = a } } , o . trigger = function ( e , t , n ) { var o , r , s , a ; if ( e . events ) { n || ( n = { } ) , o = t . split ( " " ) ; for ( var l = 0 ; l < o . length ; l ++ ) if ( r = o [ l ] , s = e . events [ r ] ) { a = i . clone ( n , ! 1 ) , a . name = r , a . source = e ; for ( var c = 0 ; c < s . length ; c ++ ) s [ c ] . apply ( e , [ a ] ) } } } } ( ) } , { "./Common" : 14 } ] , 17 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "./Plugin" ) , r = e ( "./Common" ) ; ! function ( ) { o . name = "matter-js" , o . version = "0.14.2" , o . uses = [ ] , o . used = [ ] , o . use = function ( ) { i . use ( o , Array . prototype . slice . call ( arguments ) ) } , o . before = function ( e , t ) { return e = e . replace ( /^Matter./ , "" ) , r . chainPathBefore ( o , e , t ) } , o . after = function ( e , t ) { return e = e . replace ( /^Matter./ , "" ) , r . chainPathAfter ( o , e , t ) } } ( ) } , { "./Common" : 14 , "./Plugin" : 20 } ] , 18 : [ function ( e , t , n ) { } , { "../body/Composite" : 2 , "./Common" : 14 } ] , 19 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../core/Common" ) ; ! function ( ) { o . create = function ( e ) { var t = { }
; return e || i . log ( "Mouse.create: element was undefined, defaulting to document.body" , "warn" ) , t . element = e || document . body , t . absolute = { x : 0 , y : 0 } , t . position = { x : 0 , y : 0 } , t . mousedownPosition = { x : 0 , y : 0 } , t . mouseupPosition = { x : 0 , y : 0 } , t . offset = { x : 0 , y : 0 } , t . scale = { x : 1 , y : 1 } , t . wheelDelta = 0 , t . button = - 1 , t . pixelRatio = t . element . getAttribute ( "data-pixel-ratio" ) || 1 , t . sourceEvents = { mousemove : null , mousedown : null , mouseup : null , mousewheel : null } , t . mousemove = function ( e ) { var n = o . _getRelativeMousePosition ( e , t . element , t . pixelRatio ) ; e . changedTouches && ( t . button = 0 , e . preventDefault ( ) ) , t . absolute . x = n . x , t . absolute . y = n . y , t . position . x = t . absolute . x * t . scale . x + t . offset . x , t . position . y = t . absolute . y * t . scale . y + t . offset . y , t . sourceEvents . mousemove = e } , t . mousedown = function ( e ) { var n = o . _getRelativeMousePosition ( e , t . element , t . pixelRatio ) ; e . changedTouches ? ( t . button = 0 , e . preventDefault ( ) ) : t . button = e . button , t . absolute . x = n . x , t . absolute . y = n . y , t . position . x = t . absolute . x * t . scale . x + t . offset . x , t . position . y = t . absolute . y * t . scale . y + t . offset . y ,
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t . mousedownPosition . x = t . position . x , t . mousedownPosition . y = t . position . y , t . sourceEvents . mousedown = e } , t . mouseup = function ( e ) { var n = o . _getRelativeMousePosition ( e , t . element , t . pixelRatio ) ; e . changedTouches && e . preventDefault ( ) , t . button = - 1 , t . absolute . x = n . x , t . absolute . y = n . y , t . position . x = t . absolute . x * t . scale . x + t . offset . x , t . position . y = t . absolute . y * t . scale . y + t . offset . y , t . mouseupPosition . x = t . position . x , t . mouseupPosition . y = t . position . y , t . sourceEvents . mouseup = e } , t . mousewheel = function ( e ) { t . wheelDelta = Math . max ( - 1 , Math . min ( 1 , e . wheelDelta || - e . detail ) ) , e . preventDefault ( ) } , o . setElement ( t , t . element ) , t } , o . setElement = function ( e , t ) { e . element = t , t . addEventListener ( "mousemove" , e . mousemove ) , t . addEventListener ( "mousedown" , e . mousedown ) , t . addEventListener ( "mouseup" , e . mouseup ) , t . addEventListener ( "mousewheel" , e . mousewheel ) , t . addEventListener ( "DOMMouseScroll" , e . mousewheel ) , t . addEventListener ( "touchmove" , e . mousemove ) , t . addEventListener ( "touchstart" , e . mousedown ) , t . addEventListener ( "touchend" , e . mouseup ) } ,
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o . clearSourceEvents = function ( e ) { e . sourceEvents . mousemove = null , e . sourceEvents . mousedown = null , e . sourceEvents . mouseup = null , e . sourceEvents . mousewheel = null , e . wheelDelta = 0 } , o . setOffset = function ( e , t ) { e . offset . x = t . x , e . offset . y = t . y , e . position . x = e . absolute . x * e . scale . x + e . offset . x , e . position . y = e . absolute . y * e . scale . y + e . offset . y } , o . setScale = function ( e , t ) { e . scale . x = t . x , e . scale . y = t . y , e . position . x = e . absolute . x * e . scale . x + e . offset . x , e . position . y = e . absolute . y * e . scale . y + e . offset . y } , o . _getRelativeMousePosition = function ( e , t , n ) { var o , i , r = t . getBoundingClientRect ( ) , s = document . documentElement || document . body . parentNode || document . body , a = void 0 !== window . pageXOffset ? window . pageXOffset : s . scrollLeft , l = void 0 !== window . pageYOffset ? window . pageYOffset : s . scrollTop , c = e . changedTouches ; return c ? ( o = c [ 0 ] . pageX - r . left - a , i = c [ 0 ] . pageY - r . top - l ) : ( o = e . pageX - r . left - a , i = e . pageY - r . top - l ) , { x : o / ( t . clientWidth / ( t . width || t . clientWidth ) * n ) , y : i / ( t . clientHeight / ( t . height || t . clientHeight ) * n ) } } } ( ) } , { "../core/Common" : 14 } ] , 20 : [ function ( e , t , n ) {
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var o = { } ; t . exports = o ; var i = e ( "./Common" ) ; ! function ( ) { o . _registry = { } , o . register = function ( e ) { if ( o . isPlugin ( e ) || i . warn ( "Plugin.register:" , o . toString ( e ) , "does not implement all required fields." ) , e . name in o . _registry ) { var t = o . _registry [ e . name ] , n = o . versionParse ( e . version ) . number , r = o . versionParse ( t . version ) . number ; n > r ? ( i . warn ( "Plugin.register:" , o . toString ( t ) , "was upgraded to" , o . toString ( e ) ) , o . _registry [ e . name ] = e ) : n < r ? i . warn ( "Plugin.register:" , o . toString ( t ) , "can not be downgraded to" , o . toString ( e ) ) : e !== t && i . warn ( "Plugin.register:" , o . toString ( e ) , "is already registered to different plugin object" ) } else o . _registry [ e . name ] = e ; return e } , o . resolve = function ( e ) { return o . _registry [ o . dependencyParse ( e ) . name ] } , o . toString = function ( e ) { return "string" == typeof e ? e : ( e . name || "anonymous" ) + "@" + ( e . version || e . range || "0.0.0" ) } , o . isPlugin = function ( e ) { return e && e . name && e . version && e . install } , o . isUsed = function ( e , t ) { return e . used . indexOf ( t ) > - 1 } , o . isFor = function ( e , t ) { var n = e . for && o . dependencyParse ( e . for )
; return ! e . for || t . name === n . name && o . versionSatisfies ( t . version , n . range ) } , o . use = function ( e , t ) { if ( e . uses = ( e . uses || [ ] ) . concat ( t || [ ] ) , 0 === e . uses . length ) return void i . warn ( "Plugin.use:" , o . toString ( e ) , "does not specify any dependencies to install." ) ; for ( var n = o . dependencies ( e ) , r = i . topologicalSort ( n ) , s = [ ] , a = 0 ; a < r . length ; a += 1 ) if ( r [ a ] !== e . name ) { var l = o . resolve ( r [ a ] ) ; l ? o . isUsed ( e , l . name ) || ( o . isFor ( l , e ) || ( i . warn ( "Plugin.use:" , o . toString ( l ) , "is for" , l . for , "but installed on" , o . toString ( e ) + "." ) , l . _warned = ! 0 ) , l . install ? l . install ( e ) : ( i . warn ( "Plugin.use:" , o . toString ( l ) , "does not specify an install function." ) , l . _warned = ! 0 ) , l . _warned ? ( s . push ( "🔶 " + o . toString ( l ) ) , delete l . _warned ) : s . push ( "✅ " + o . toString ( l ) ) , e . used . push ( l . name ) ) : s . push ( "❌ " + r [ a ] ) } s . length > 0 && i . info ( s . join ( " " ) ) } , o . dependencies = function ( e , t ) { var n = o . dependencyParse ( e ) , r = n . name ; if ( t = t || { } , ! ( r in t ) ) { e = o . resolve ( e ) || e , t [ r ] = i . map ( e . uses || [ ] , function ( t ) { o . isPlugin ( t ) && o . register ( t ) ; var r = o . dependencyParse ( t ) , s = o . resolve ( t )
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; return s && ! o . versionSatisfies ( s . version , r . range ) ? ( i . warn ( "Plugin.dependencies:" , o . toString ( s ) , "does not satisfy" , o . toString ( r ) , "used by" , o . toString ( n ) + "." ) , s . _warned = ! 0 , e . _warned = ! 0 ) : s || ( i . warn ( "Plugin.dependencies:" , o . toString ( t ) , "used by" , o . toString ( n ) , "could not be resolved." ) , e . _warned = ! 0 ) , r . name } ) ; for ( var s = 0 ; s < t [ r ] . length ; s += 1 ) o . dependencies ( t [ r ] [ s ] , t ) ; return t } } , o . dependencyParse = function ( e ) { if ( i . isString ( e ) ) { return /^[\w-]+(@(\*|[\^~]?\d+\.\d+\.\d+(-[0-9A-Za-z-]+)?))?$/ . test ( e ) || i . warn ( "Plugin.dependencyParse:" , e , "is not a valid dependency string." ) , { name : e . split ( "@" ) [ 0 ] , range : e . split ( "@" ) [ 1 ] || "*" } } return { name : e . name , range : e . range || e . version } } , o . versionParse = function ( e ) { /^\*|[\^~]?\d+\.\d+\.\d+(-[0-9A-Za-z-]+)?$/ . test ( e ) || i . warn ( "Plugin.versionParse:" , e , "is not a valid version or range." ) ; var t = e . split ( "-" ) ; e = t [ 0 ] ; var n = isNaN ( Number ( e [ 0 ] ) ) , o = n ? e . substr ( 1 ) : e , r = i . map ( o . split ( "." ) , function ( e ) { return Number ( e ) } ) ; return { isRange : n , version : o , range : e , operator : n ? e [ 0 ] : "" , parts : r ,
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prerelease : t [ 1 ] , number : 1e8 * r [ 0 ] + 1e4 * r [ 1 ] + r [ 2 ] } } , o . versionSatisfies = function ( e , t ) { t = t || "*" ; var n = o . versionParse ( t ) , i = n . parts , r = o . versionParse ( e ) , s = r . parts ; if ( n . isRange ) { if ( "*" === n . operator || "*" === e ) return ! 0 ; if ( "~" === n . operator ) return s [ 0 ] === i [ 0 ] && s [ 1 ] === i [ 1 ] && s [ 2 ] >= i [ 2 ] ; if ( "^" === n . operator ) return i [ 0 ] > 0 ? s [ 0 ] === i [ 0 ] && r . number >= n . number : i [ 1 ] > 0 ? s [ 1 ] === i [ 1 ] && s [ 2 ] >= i [ 2 ] : s [ 2 ] === i [ 2 ] } return e === t || "*" === e } } ( ) } , { "./Common" : 14 } ] , 21 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "./Events" ) , r = e ( "./Engine" ) , s = e ( "./Common" ) ; ! function ( ) { var e , t ; if ( "undefined" != typeof window && ( e = window . requestAnimationFrame || window . webkitRequestAnimationFrame || window . mozRequestAnimationFrame || window . msRequestAnimationFrame , t = window . cancelAnimationFrame || window . mozCancelAnimationFrame || window . webkitCancelAnimationFrame || window . msCancelAnimationFrame ) , ! e ) { var n ; e = function ( e ) { n = setTimeout ( function ( ) { e ( s . now ( ) ) } , 1e3 / 60 ) } , t = function ( ) { clearTimeout ( n ) } } o . create = function ( e ) { var t = { fps : 60 , correction : 1 , deltaSampleSize : 60 ,
counterTimestamp : 0 , frameCounter : 0 , deltaHistory : [ ] , timePrev : null , timeScalePrev : 1 , frameRequestId : null , isFixed : ! 1 , enabled : ! 0 } , n = s . extend ( t , e ) ; return n . delta = n . delta || 1e3 / n . fps , n . deltaMin = n . deltaMin || 1e3 / n . fps , n . deltaMax = n . deltaMax || 1e3 / ( . 5 * n . fps ) , n . fps = 1e3 / n . delta , n } , o . run = function ( t , n ) { return void 0 !== t . positionIterations && ( n = t , t = o . create ( ) ) , function i ( r ) { t . frameRequestId = e ( i ) , r && t . enabled && o . tick ( t , n , r ) } ( ) , t } , o . tick = function ( e , t , n ) { var o , s = t . timing , a = 1 , l = { timestamp : s . timestamp } ; i . trigger ( e , "beforeTick" , l ) , i . trigger ( t , "beforeTick" , l ) , e . isFixed ? o = e . delta : ( o = n - e . timePrev || e . delta , e . timePrev = n , e . deltaHistory . push ( o ) , e . deltaHistory = e . deltaHistory . slice ( - e . deltaSampleSize ) , o = Math . min . apply ( null , e . deltaHistory ) , o = o < e . deltaMin ? e . deltaMin : o , o = o > e . deltaMax ? e . deltaMax : o , a = o / e . delta , e . delta = o ) , 0 !== e . timeScalePrev && ( a *= s . timeScale / e . timeScalePrev ) , 0 === s . timeScale && ( a = 0 ) , e . timeScalePrev = s . timeScale , e . correction = a , e . frameCounter += 1 ,
n - e . counterTimestamp >= 1e3 && ( e . fps = e . frameCounter * ( ( n - e . counterTimestamp ) / 1e3 ) , e . counterTimestamp = n , e . frameCounter = 0 ) , i . trigger ( e , "tick" , l ) , i . trigger ( t , "tick" , l ) , t . world . isModified && t . render && t . render . controller && t . render . controller . clear && t . render . controller . clear ( t . render ) , i . trigger ( e , "beforeUpdate" , l ) , r . update ( t , o , a ) , i . trigger ( e , "afterUpdate" , l ) , t . render && t . render . controller && ( i . trigger ( e , "beforeRender" , l ) , i . trigger ( t , "beforeRender" , l ) , t . render . controller . world ( t . render ) , i . trigger ( e , "afterRender" , l ) , i . trigger ( t , "afterRender" , l ) ) , i . trigger ( e , "afterTick" , l ) , i . trigger ( t , "afterTick" , l ) } , o . stop = function ( e ) { t ( e . frameRequestId ) } , o . start = function ( e , t ) { o . run ( e , t ) } } ( ) } , { "./Common" : 14 , "./Engine" : 15 , "./Events" : 16 } ] , 22 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "./Events" ) ; ! function ( ) { o . _motionWakeThreshold = . 18 , o . _motionSleepThreshold = . 08 , o . _minBias = . 9 , o . update = function ( e , t ) { for ( var n = t * t * t , i = 0 ; i < e . length ; i ++ ) { var r = e [ i ] , s = r . speed * r . speed + r . angularSpeed * r . angularSpeed
; if ( 0 === r . force . x && 0 === r . force . y ) { var a = Math . min ( r . motion , s ) , l = Math . max ( r . motion , s ) ; r . motion = o . _minBias * a + ( 1 - o . _minBias ) * l , r . sleepThreshold > 0 && r . motion < o . _motionSleepThreshold * n ? ( r . sleepCounter += 1 , r . sleepCounter >= r . sleepThreshold && o . set ( r , ! 0 ) ) : r . sleepCounter > 0 && ( r . sleepCounter -= 1 ) } else o . set ( r , ! 1 ) } } , o . afterCollisions = function ( e , t ) { for ( var n = t * t * t , i = 0 ; i < e . length ; i ++ ) { var r = e [ i ] ; if ( r . isActive ) { var s = r . collision , a = s . bodyA . parent , l = s . bodyB . parent ; if ( ! ( a . isSleeping && l . isSleeping || a . isStatic || l . isStatic ) && ( a . isSleeping || l . isSleeping ) ) { var c = a . isSleeping && ! a . isStatic ? a : l , d = c === a ? l : a ; ! c . isStatic && d . motion > o . _motionWakeThreshold * n && o . set ( c , ! 1 ) } } } } , o . set = function ( e , t ) { var n = e . isSleeping ; t ? ( e . isSleeping = ! 0 , e . sleepCounter = e . sleepThreshold , e . positionImpulse . x = 0 , e . positionImpulse . y = 0 , e . positionPrev . x = e . position . x , e . positionPrev . y = e . position . y , e . anglePrev = e . angle , e . speed = 0 , e . angularSpeed = 0 , e . motion = 0 , n || i . trigger ( e , "sleepStart" ) ) : ( e . isSleeping = ! 1 , e . sleepCounter = 0 , n && i . trigger ( e , "sleepEnd" ) ) } } ( ) } , {
"./Events" : 16 } ] , 23 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i , r = e ( "../geometry/Vertices" ) , s = e ( "../core/Common" ) , a = e ( "../body/Body" ) , l = e ( "../geometry/Bounds" ) , c = e ( "../geometry/Vector" ) ; ! function ( ) { o . rectangle = function ( e , t , n , o , i ) { i = i || { } ; var l = { label : "Rectangle Body" , position : { x : e , y : t } , vertices : r . fromPath ( "L 0 0 L " + n + " 0 L " + n + " " + o + " L 0 " + o ) } ; if ( i . chamfer ) { var c = i . chamfer ; l . vertices = r . chamfer ( l . vertices , c . radius , c . quality , c . qualityMin , c . qualityMax ) , delete i . chamfer } return a . create ( s . extend ( { } , l , i ) ) } , o . trapezoid = function ( e , t , n , o , i , l ) { l = l || { } , i *= . 5 ; var c , d = ( 1 - 2 * i ) * n , u = n * i , p = u + d , f = p + u ; c = i < . 5 ? "L 0 0 L " + u + " " + - o + " L " + p + " " + - o + " L " + f + " 0" : "L 0 0 L " + p + " " + - o + " L " + f + " 0" ; var m = { label : "Trapezoid Body" , position : { x : e , y : t } , vertices : r . fromPath ( c ) } ; if ( l . chamfer ) { var v = l . chamfer ; m . vertices = r . chamfer ( m . vertices , v . radius , v . quality , v . qualityMin , v . qualityMax ) , delete l . chamfer } return a . create ( s . extend ( { } , m , l ) ) } , o . circle = function ( e , t , n , i , r ) { i = i || { } ; var a = { label : "Circle Body" , circleRadius : n } ; r = r || 25
; var l = Math . ceil ( Math . max ( 10 , Math . min ( r , n ) ) ) ; return l % 2 == 1 && ( l += 1 ) , o . polygon ( e , t , l , n , s . extend ( { } , a , i ) ) } , o . polygon = function ( e , t , n , i , l ) { if ( l = l || { } , n < 3 ) return o . circle ( e , t , i , l ) ; for ( var c = 2 * Math . PI / n , d = "" , u = . 5 * c , p = 0 ; p < n ; p += 1 ) { var f = u + p * c , m = Math . cos ( f ) * i , v = Math . sin ( f ) * i ; d += "L " + m . toFixed ( 3 ) + " " + v . toFixed ( 3 ) + " " } var y = { label : "Polygon Body" , position : { x : e , y : t } , vertices : r . fromPath ( d ) } ; if ( l . chamfer ) { var g = l . chamfer ; y . vertices = r . chamfer ( y . vertices , g . radius , g . quality , g . qualityMin , g . qualityMax ) , delete l . chamfer } return a . create ( s . extend ( { } , y , l ) ) } , o . fromVertices = function ( e , t , n , o , d , u , p ) { i || ( i = s . _requireGlobal ( "decomp" , "poly-decomp" ) ) ; var f , m , v , y , g , x , h , b , w ; for ( o = o || { } , m = [ ] , d = void 0 !== d && d , u = void 0 !== u ? u : . 01 , p = void 0 !== p ? p : 10 , i || s . warn ( "Bodies.fromVertices: poly-decomp.js required. Could not decompose vertices. Fallback to convex hull." ) , s . isArray ( n [ 0 ] ) || ( n = [ n ] ) , b = 0 ; b < n . length ; b += 1 ) if ( y = n [ b ] , ( v = r . isConvex ( y ) ) || ! i ) y = v ? r . clockwiseSort ( y ) : r . hull ( y ) , m . push ( { position : { x : e , y : t } , vertices : y } ) ; else {
var S = y . map ( function ( e ) { return [ e . x , e . y ] } ) ; i . makeCCW ( S ) , ! 1 !== u && i . removeCollinearPoints ( S , u ) ; var C = i . quickDecomp ( S ) ; for ( g = 0 ; g < C . length ; g ++ ) { var A = C [ g ] , P = A . map ( function ( e ) { return { x : e [ 0 ] , y : e [ 1 ] } } ) ; p > 0 && r . area ( P ) < p || m . push ( { position : r . centre ( P ) , vertices : P } ) } } for ( g = 0 ; g < m . length ; g ++ ) m [ g ] = a . create ( s . extend ( m [ g ] , o ) ) ; if ( d ) { for ( g = 0 ; g < m . length ; g ++ ) { var B = m [ g ] ; for ( x = g + 1 ; x < m . length ; x ++ ) { var M = m [ x ] ; if ( l . overlaps ( B . bounds , M . bounds ) ) { var k = B . vertices , I = M . vertices ; for ( h = 0 ; h < B . vertices . length ; h ++ ) for ( w = 0 ; w < M . vertices . length ; w ++ ) { var _ = c . magnitudeSquared ( c . sub ( k [ ( h + 1 ) % k . length ] , I [ w ] ) ) , T = c . magnitudeSquared ( c . sub ( k [ h ] , I [ ( w + 1 ) % I . length ] ) ) ; _ < 5 && T < 5 && ( k [ h ] . isInternal = ! 0 , I [ w ] . isInternal = ! 0 ) } } } } } return m . length > 1 ? ( f = a . create ( s . extend ( { parts : m . slice ( 0 ) } , o ) ) , a . setPosition ( f , { x : e , y : t } ) , f ) : m [ 0 ] } } ( ) } , { "../body/Body" : 1 , "../core/Common" : 14 , "../geometry/Bounds" : 26 , "../geometry/Vector" : 28 , "../geometry/Vertices" : 29 } ] , 24 : [ function ( e , t , n ) { var o = { } ; t . exports = o
; var i = e ( "../body/Composite" ) , r = e ( "../constraint/Constraint" ) , s = e ( "../core/Common" ) , a = e ( "../body/Body" ) , l = e ( "./Bodies" ) ; ! function ( ) { o . stack = function ( e , t , n , o , r , s , l ) { for ( var c , d = i . create ( { label : "Stack" } ) , u = e , p = t , f = 0 , m = 0 ; m < o ; m ++ ) { for ( var v = 0 , y = 0 ; y < n ; y ++ ) { var g = l ( u , p , y , m , c , f ) ; if ( g ) { var x = g . bounds . max . y - g . bounds . min . y , h = g . bounds . max . x - g . bounds . min . x ; x > v && ( v = x ) , a . translate ( g , { x : . 5 * h , y : . 5 * x } ) , u = g . bounds . max . x + r , i . addBody ( d , g ) , c = g , f += 1 } else u += r } p += v + s , u = e } return d } , o . chain = function ( e , t , n , o , a , l ) { for ( var c = e . bodies , d = 1 ; d < c . length ; d ++ ) { var u = c [ d - 1 ] , p = c [ d ] , f = u . bounds . max . y - u . bounds . min . y , m = u . bounds . max . x - u . bounds . min . x , v = p . bounds . max . y - p . bounds . min . y , y = p . bounds . max . x - p . bounds . min . x , g = { bodyA : u , pointA : { x : m * t , y : f * n } , bodyB : p , pointB : { x : y * o , y : v * a } } , x = s . extend ( g , l ) ; i . addConstraint ( e , r . create ( x ) ) } return e . label += " Chain" , e } , o . mesh = function ( e , t , n , o , a ) { var l , c , d , u , p , f = e . bodies ; for ( l = 0 ; l < n ; l ++ ) { for ( c = 1 ; c < t ; c ++ ) d = f [ c - 1 + l * t ] , u = f [ c + l * t ] , i . addConstraint ( e , r . create ( s . extend ( { bodyA : d , bodyB : u } , a ) ) )
; if ( l > 0 ) for ( c = 0 ; c < t ; c ++ ) d = f [ c + ( l - 1 ) * t ] , u = f [ c + l * t ] , i . addConstraint ( e , r . create ( s . extend ( { bodyA : d , bodyB : u } , a ) ) ) , o && c > 0 && ( p = f [ c - 1 + ( l - 1 ) * t ] , i . addConstraint ( e , r . create ( s . extend ( { bodyA : p , bodyB : u } , a ) ) ) ) , o && c < t - 1 && ( p = f [ c + 1 + ( l - 1 ) * t ] , i . addConstraint ( e , r . create ( s . extend ( { bodyA : p , bodyB : u } , a ) ) ) ) } return e . label += " Mesh" , e } , o . pyramid = function ( e , t , n , i , r , s , l ) { return o . stack ( e , t , n , i , r , s , function ( t , o , s , c , d , u ) { var p = Math . min ( i , Math . ceil ( n / 2 ) ) , f = d ? d . bounds . max . x - d . bounds . min . x : 0 ; if ( ! ( c > p ) ) { c = p - c ; var m = c , v = n - 1 - c ; if ( ! ( s < m || s > v ) ) { 1 === u && a . translate ( d , { x : ( s + ( n % 2 == 1 ? 1 : - 1 ) ) * f , y : 0 } ) ; return l ( e + ( d ? s * f : 0 ) + s * r , o , s , c , d , u ) } } } ) } , o . newtonsCradle = function ( e , t , n , o , s ) { for ( var a = i . create ( { label : "Newtons Cradle" } ) , c = 0 ; c < n ; c ++ ) { var d = l . circle ( e + c * ( 1.9 * o ) , t + s , o , { inertia : 1 / 0 , restitution : 1 , friction : 0 , frictionAir : 1e-4 , slop : 1 } ) , u = r . create ( { pointA : { x : e + c * ( 1.9 * o ) , y : t } , bodyB : d } ) ; i . addBody ( a , d ) , i . addConstraint ( a , u ) } return a } , o . car = function ( e , t , n , o , s ) { var c = a . nextGroup ( ! 0 ) , d = . 5 * - n + 20 , u = . 5 * n - 20 , p = i . create ( { label : "Car"
} ) , f = l . rectangle ( e , t , n , o , { collisionFilter : { group : c } , chamfer : { radius : . 5 * o } , density : 2e-4 } ) , m = l . circle ( e + d , t + 0 , s , { collisionFilter : { group : c } , friction : . 8 } ) , v = l . circle ( e + u , t + 0 , s , { collisionFilter : { group : c } , friction : . 8 } ) , y = r . create ( { bodyB : f , pointB : { x : d , y : 0 } , bodyA : m , stiffness : 1 , length : 0 } ) , g = r . create ( { bodyB : f , pointB : { x : u , y : 0 } , bodyA : v , stiffness : 1 , length : 0 } ) ; return i . addBody ( p , f ) , i . addBody ( p , m ) , i . addBody ( p , v ) , i . addConstraint ( p , y ) , i . addConstraint ( p , g ) , p } , o . softBody = function ( e , t , n , i , r , a , c , d , u , p ) { u = s . extend ( { inertia : 1 / 0 } , u ) , p = s . extend ( { stiffness : . 2 , render : { type : "line" , anchors : ! 1 } } , p ) ; var f = o . stack ( e , t , n , i , r , a , function ( e , t ) { return l . circle ( e , t , d , u ) } ) ; return o . mesh ( f , n , i , c , p ) , f . label = "Soft Body" , f } } ( ) } , { "../body/Body" : 1 , "../body/Composite" : 2 , "../constraint/Constraint" : 12 , "../core/Common" : 14 , "./Bodies" : 23 } ] , 25 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../geometry/Vector" ) , r = e ( "../core/Common" ) ; ! function ( ) { o . fromVertices = function ( e ) { for ( var t = { } , n = 0 ; n < e . length ; n ++ ) {
var o = ( n + 1 ) % e . length , s = i . normalise ( { x : e [ o ] . y - e [ n ] . y , y : e [ n ] . x - e [ o ] . x } ) , a = 0 === s . y ? 1 / 0 : s . x / s . y ; a = a . toFixed ( 3 ) . toString ( ) , t [ a ] = s } return r . values ( t ) } , o . rotate = function ( e , t ) { if ( 0 !== t ) for ( var n = Math . cos ( t ) , o = Math . sin ( t ) , i = 0 ; i < e . length ; i ++ ) { var r , s = e [ i ] ; r = s . x * n - s . y * o , s . y = s . x * o + s . y * n , s . x = r } } } ( ) } , { "../core/Common" : 14 , "../geometry/Vector" : 28 } ] , 26 : [ function ( e , t , n ) { var o = { } ; t . exports = o , function ( ) { o . create = function ( e ) { var t = { min : { x : 0 , y : 0 } , max : { x : 0 , y : 0 } } ; return e && o . update ( t , e ) , t } , o . update = function ( e , t , n ) { e . min . x = 1 / 0 , e . max . x = - 1 / 0 , e . min . y = 1 / 0 , e . max . y = - 1 / 0 ; for ( var o = 0 ; o < t . length ; o ++ ) { var i = t [ o ] ; i . x > e . max . x && ( e . max . x = i . x ) , i . x < e . min . x && ( e . min . x = i . x ) , i . y > e . max . y && ( e . max . y = i . y ) , i . y < e . min . y && ( e . min . y = i . y ) } n && ( n . x > 0 ? e . max . x += n . x : e . min . x += n . x , n . y > 0 ? e . max . y += n . y : e . min . y += n . y ) } , o . contains = function ( e , t ) { return t . x >= e . min . x && t . x <= e . max . x && t . y >= e . min . y && t . y <= e . max . y } , o . overlaps = function ( e , t ) { return e . min . x <= t . max . x && e . max . x >= t . min . x && e . max . y >= t . min . y && e . min . y <= t . max . y } , o . translate = function ( e , t ) { e . min . x += t . x ,
e . max . x += t . x , e . min . y += t . y , e . max . y += t . y } , o . shift = function ( e , t ) { var n = e . max . x - e . min . x , o = e . max . y - e . min . y ; e . min . x = t . x , e . max . x = t . x + n , e . min . y = t . y , e . max . y = t . y + o } } ( ) } , { } ] , 27 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = ( e ( "../geometry/Bounds" ) , e ( "../core/Common" ) ) ; ! function ( ) { o . pathToVertices = function ( e , t ) { "undefined" == typeof window || "SVGPathSeg" in window || i . warn ( "Svg.pathToVertices: SVGPathSeg not defined, a polyfill is required." ) ; var n , r , s , a , l , c , d , u , p , f , m , v , y = [ ] , g = 0 , x = 0 , h = 0 ; t = t || 15 ; var b = function ( e , t , n ) { var o = n % 2 == 1 && n > 1 ; if ( ! p || e != p . x || t != p . y ) { p && o ? ( m = p . x , v = p . y ) : ( m = 0 , v = 0 ) ; var i = { x : m + e , y : v + t } ; ! o && p || ( p = i ) , y . push ( i ) , x = m + e , h = v + t } } , w = function ( e ) { var t = e . pathSegTypeAsLetter . toUpperCase ( ) ; if ( "Z" !== t ) { switch ( t ) { case "M" : case "L" : case "T" : case "C" : case "S" : case "Q" : x = e . x , h = e . y ; break ; case "H" : x = e . x ; break ; case "V" : h = e . y } b ( x , h , e . pathSegType ) } } ; for ( o . _svgPathToAbsolute ( e ) , s = e . getTotalLength ( ) , c = [ ] , n = 0 ; n < e . pathSegList . numberOfItems ; n += 1 ) c . push ( e . pathSegList . getItem ( n ) ) ; for ( d = c . concat ( ) ; g < s ; ) {
if ( f = e . getPathSegAtLength ( g ) , ( l = c [ f ] ) != u ) { for ( ; d . length && d [ 0 ] != l ; ) w ( d . shift ( ) ) ; u = l } switch ( l . pathSegTypeAsLetter . toUpperCase ( ) ) { case "C" : case "T" : case "S" : case "Q" : case "A" : a = e . getPointAtLength ( g ) , b ( a . x , a . y , 0 ) } g += t } for ( n = 0 , r = d . length ; n < r ; ++ n ) w ( d [ n ] ) ; return y } , o . _svgPathToAbsolute = function ( e ) { for ( var t , n , o , i , r , s , a = e . pathSegList , l = 0 , c = 0 , d = a . numberOfItems , u = 0 ; u < d ; ++ u ) { var p = a . getItem ( u ) , f = p . pathSegTypeAsLetter ; if ( /[MLHVCSQTA]/ . test ( f ) ) "x" in p && ( l = p . x ) , "y" in p && ( c = p . y ) ; else switch ( "x1" in p && ( o = l + p . x1 ) , "x2" in p && ( r = l + p . x2 ) , "y1" in p && ( i = c + p . y1 ) , "y2" in p && ( s = c + p . y2 ) , "x" in p && ( l += p . x ) , "y" in p && ( c += p . y ) , f ) { case "m" : a . replaceItem ( e . createSVGPathSegMovetoAbs ( l , c ) , u ) ; break ; case "l" : a . replaceItem ( e . createSVGPathSegLinetoAbs ( l , c ) , u ) ; break ; case "h" : a . replaceItem ( e . createSVGPathSegLinetoHorizontalAbs ( l ) , u ) ; break ; case "v" : a . replaceItem ( e . createSVGPathSegLinetoVerticalAbs ( c ) , u ) ; break ; case "c" : a . replaceItem ( e . createSVGPathSegCurvetoCubicAbs ( l , c , o , i , r , s ) , u ) ; break ; case "s" :
a . replaceItem ( e . createSVGPathSegCurvetoCubicSmoothAbs ( l , c , r , s ) , u ) ; break ; case "q" : a . replaceItem ( e . createSVGPathSegCurvetoQuadraticAbs ( l , c , o , i ) , u ) ; break ; case "t" : a . replaceItem ( e . createSVGPathSegCurvetoQuadraticSmoothAbs ( l , c ) , u ) ; break ; case "a" : a . replaceItem ( e . createSVGPathSegArcAbs ( l , c , p . r1 , p . r2 , p . angle , p . largeArcFlag , p . sweepFlag ) , u ) ; break ; case "z" : case "Z" : l = t , c = n } "M" != f && "m" != f || ( t = l , n = c ) } } } ( ) } , { "../core/Common" : 14 , "../geometry/Bounds" : 26 } ] , 28 : [ function ( e , t , n ) { var o = { } ; t . exports = o , function ( ) { o . create = function ( e , t ) { return { x : e || 0 , y : t || 0 } } , o . clone = function ( e ) { return { x : e . x , y : e . y } } , o . magnitude = function ( e ) { return Math . sqrt ( e . x * e . x + e . y * e . y ) } , o . magnitudeSquared = function ( e ) { return e . x * e . x + e . y * e . y } , o . rotate = function ( e , t , n ) { var o = Math . cos ( t ) , i = Math . sin ( t ) ; n || ( n = { } ) ; var r = e . x * o - e . y * i ; return n . y = e . x * i + e . y * o , n . x = r , n } , o . rotateAbout = function ( e , t , n , o ) { var i = Math . cos ( t ) , r = Math . sin ( t ) ; o || ( o = { } ) ; var s = n . x + ( ( e . x - n . x ) * i - ( e . y - n . y ) * r ) ; return o . y = n . y + ( ( e . x - n . x ) * r + ( e . y - n . y ) * i ) , o . x = s , o } , o . normalise = function ( e ) {
var t = o . magnitude ( e ) ; return 0 === t ? { x : 0 , y : 0 } : { x : e . x / t , y : e . y / t } } , o . dot = function ( e , t ) { return e . x * t . x + e . y * t . y } , o . cross = function ( e , t ) { return e . x * t . y - e . y * t . x } , o . cross3 = function ( e , t , n ) { return ( t . x - e . x ) * ( n . y - e . y ) - ( t . y - e . y ) * ( n . x - e . x ) } , o . add = function ( e , t , n ) { return n || ( n = { } ) , n . x = e . x + t . x , n . y = e . y + t . y , n } , o . sub = function ( e , t , n ) { return n || ( n = { } ) , n . x = e . x - t . x , n . y = e . y - t . y , n } , o . mult = function ( e , t ) { return { x : e . x * t , y : e . y * t } } , o . div = function ( e , t ) { return { x : e . x / t , y : e . y / t } } , o . perp = function ( e , t ) { return t = ! 0 === t ? - 1 : 1 , { x : t * - e . y , y : t * e . x } } , o . neg = function ( e ) { return { x : - e . x , y : - e . y } } , o . angle = function ( e , t ) { return Math . atan2 ( t . y - e . y , t . x - e . x ) } , o . _temp = [ o . create ( ) , o . create ( ) , o . create ( ) , o . create ( ) , o . create ( ) , o . create ( ) ] } ( ) } , { } ] , 29 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../geometry/Vector" ) , r = e ( "../core/Common" ) ; ! function ( ) { o . create = function ( e , t ) { for ( var n = [ ] , o = 0 ; o < e . length ; o ++ ) { var i = e [ o ] , r = { x : i . x , y : i . y , index : o , body : t , isInternal : ! 1 } ; n . push ( r ) } return n } , o . fromPath = function ( e , t ) {
var n = /L?\s*([\-\d\.e]+)[\s,]*([\-\d\.e]+)*/gi , i = [ ] ; return e . replace ( n , function ( e , t , n ) { i . push ( { x : parseFloat ( t ) , y : parseFloat ( n ) } ) } ) , o . create ( i , t ) } , o . centre = function ( e ) { for ( var t , n , r , s = o . area ( e , ! 0 ) , a = { x : 0 , y : 0 } , l = 0 ; l < e . length ; l ++ ) r = ( l + 1 ) % e . length , t = i . cross ( e [ l ] , e [ r ] ) , n = i . mult ( i . add ( e [ l ] , e [ r ] ) , t ) , a = i . add ( a , n ) ; return i . div ( a , 6 * s ) } , o . mean = function ( e ) { for ( var t = { x : 0 , y : 0 } , n = 0 ; n < e . length ; n ++ ) t . x += e [ n ] . x , t . y += e [ n ] . y ; return i . div ( t , e . length ) } , o . area = function ( e , t ) { for ( var n = 0 , o = e . length - 1 , i = 0 ; i < e . length ; i ++ ) n += ( e [ o ] . x - e [ i ] . x ) * ( e [ o ] . y + e [ i ] . y ) , o = i ; return t ? n / 2 : Math . abs ( n ) / 2 } , o . inertia = function ( e , t ) { for ( var n , o , r = 0 , s = 0 , a = e , l = 0 ; l < a . length ; l ++ ) o = ( l + 1 ) % a . length , n = Math . abs ( i . cross ( a [ o ] , a [ l ] ) ) , r += n * ( i . dot ( a [ o ] , a [ o ] ) + i . dot ( a [ o ] , a [ l ] ) + i . dot ( a [ l ] , a [ l ] ) ) , s += n ; return t / 6 * ( r / s ) } , o . translate = function ( e , t , n ) { var o ; if ( n ) for ( o = 0 ; o < e . length ; o ++ ) e [ o ] . x += t . x * n , e [ o ] . y += t . y * n ; else for ( o = 0 ; o < e . length ; o ++ ) e [ o ] . x += t . x , e [ o ] . y += t . y ; return e } , o . rotate = function ( e , t , n ) { if ( 0 !== t ) {
for ( var o = Math . cos ( t ) , i = Math . sin ( t ) , r = 0 ; r < e . length ; r ++ ) { var s = e [ r ] , a = s . x - n . x , l = s . y - n . y ; s . x = n . x + ( a * o - l * i ) , s . y = n . y + ( a * i + l * o ) } return e } } , o . contains = function ( e , t ) { for ( var n = 0 ; n < e . length ; n ++ ) { var o = e [ n ] , i = e [ ( n + 1 ) % e . length ] ; if ( ( t . x - o . x ) * ( i . y - o . y ) + ( t . y - o . y ) * ( o . x - i . x ) > 0 ) return ! 1 } return ! 0 } , o . scale = function ( e , t , n , r ) { if ( 1 === t && 1 === n ) return e ; r = r || o . centre ( e ) ; for ( var s , a , l = 0 ; l < e . length ; l ++ ) s = e [ l ] , a = i . sub ( s , r ) , e [ l ] . x = r . x + a . x * t , e [ l ] . y = r . y + a . y * n ; return e } , o . chamfer = function ( e , t , n , o , s ) { t = "number" == typeof t ? [ t ] : t || [ 8 ] , n = void 0 !== n ? n : - 1 , o = o || 2 , s = s || 14 ; for ( var a = [ ] , l = 0 ; l < e . length ; l ++ ) { var c = e [ l - 1 >= 0 ? l - 1 : e . length - 1 ] , d = e [ l ] , u = e [ ( l + 1 ) % e . length ] , p = t [ l < t . length ? l : t . length - 1 ] ; if ( 0 !== p ) { var f = i . normalise ( { x : d . y - c . y , y : c . x - d . x } ) , m = i . normalise ( { x : u . y - d . y , y : d . x - u . x } ) , v = Math . sqrt ( 2 * Math . pow ( p , 2 ) ) , y = i . mult ( r . clone ( f ) , p ) , g = i . normalise ( i . mult ( i . add ( f , m ) , . 5 ) ) , x = i . sub ( d , i . mult ( g , v ) ) , h = n ; - 1 === n && ( h = 1.75 * Math . pow ( p , . 32 ) ) , h = r . clamp ( h , o , s ) , h % 2 == 1 && ( h += 1 )
; for ( var b = Math . acos ( i . dot ( f , m ) ) , w = b / h , S = 0 ; S < h ; S ++ ) a . push ( i . add ( i . rotate ( y , w * S ) , x ) ) } else a . push ( d ) } return a } , o . clockwiseSort = function ( e ) { var t = o . mean ( e ) ; return e . sort ( function ( e , n ) { return i . angle ( t , e ) - i . angle ( t , n ) } ) , e } , o . isConvex = function ( e ) { var t , n , o , i , r = 0 , s = e . length ; if ( s < 3 ) return null ; for ( t = 0 ; t < s ; t ++ ) if ( n = ( t + 1 ) % s , o = ( t + 2 ) % s , i = ( e [ n ] . x - e [ t ] . x ) * ( e [ o ] . y - e [ n ] . y ) , i -= ( e [ n ] . y - e [ t ] . y ) * ( e [ o ] . x - e [ n ] . x ) , i < 0 ? r |= 1 : i > 0 && ( r |= 2 ) , 3 === r ) return ! 1 ; return 0 !== r || null } , o . hull = function ( e ) { var t , n , o = [ ] , r = [ ] ; for ( e = e . slice ( 0 ) , e . sort ( function ( e , t ) { var n = e . x - t . x ; return 0 !== n ? n : e . y - t . y } ) , n = 0 ; n < e . length ; n += 1 ) { for ( t = e [ n ] ; r . length >= 2 && i . cross3 ( r [ r . length - 2 ] , r [ r . length - 1 ] , t ) <= 0 ; ) r . pop ( ) ; r . push ( t ) } for ( n = e . length - 1 ; n >= 0 ; n -= 1 ) { for ( t = e [ n ] ; o . length >= 2 && i . cross3 ( o [ o . length - 2 ] , o [ o . length - 1 ] , t ) <= 0 ; ) o . pop ( ) ; o . push ( t ) } return o . pop ( ) , r . pop ( ) , o . concat ( r ) } } ( ) } , { "../core/Common" : 14 , "../geometry/Vector" : 28 } ] , 30 : [ function ( e , t , n ) { var o = t . exports = e ( "../core/Matter" ) ; o . Body = e ( "../body/Body" ) , o . Composite = e ( "../body/Composite" ) ,
o . World = e ( "../body/World" ) , o . Contact = e ( "../collision/Contact" ) , o . Detector = e ( "../collision/Detector" ) , o . Grid = e ( "../collision/Grid" ) , o . Pairs = e ( "../collision/Pairs" ) , o . Pair = e ( "../collision/Pair" ) , o . Query = e ( "../collision/Query" ) , o . Resolver = e ( "../collision/Resolver" ) , o . SAT = e ( "../collision/SAT" ) , o . Constraint = e ( "../constraint/Constraint" ) , o . MouseConstraint = e ( "../constraint/MouseConstraint" ) , o . Common = e ( "../core/Common" ) , o . Engine = e ( "../core/Engine" ) , o . Events = e ( "../core/Events" ) , o . Mouse = e ( "../core/Mouse" ) , o . Runner = e ( "../core/Runner" ) , o . Sleeping = e ( "../core/Sleeping" ) , o . Plugin = e ( "../core/Plugin" ) , o . Bodies = e ( "../factory/Bodies" ) , o . Composites = e ( "../factory/Composites" ) , o . Axes = e ( "../geometry/Axes" ) , o . Bounds = e ( "../geometry/Bounds" ) , o . Svg = e ( "../geometry/Svg" ) , o . Vector = e ( "../geometry/Vector" ) , o . Vertices = e ( "../geometry/Vertices" ) , o . Render = e ( "../render/Render" ) , o . RenderPixi = e ( "../render/RenderPixi" ) , o . World . add = o . Composite . add , o . World . remove = o . Composite . remove ,
o . World . addComposite = o . Composite . addComposite , o . World . addBody = o . Composite . addBody , o . World . addConstraint = o . Composite . addConstraint , o . World . clear = o . Composite . clear , o . Engine . run = o . Runner . run } , { "../body/Body" : 1 , "../body/Composite" : 2 , "../body/World" : 3 , "../collision/Contact" : 4 , "../collision/Detector" : 5 , "../collision/Grid" : 6 , "../collision/Pair" : 7 , "../collision/Pairs" : 8 , "../collision/Query" : 9 , "../collision/Resolver" : 10 , "../collision/SAT" : 11 , "../constraint/Constraint" : 12 , "../constraint/MouseConstraint" : 13 , "../core/Common" : 14 , "../core/Engine" : 15 , "../core/Events" : 16 , "../core/Matter" : 17 , "../core/Metrics" : 18 , "../core/Mouse" : 19 , "../core/Plugin" : 20 , "../core/Runner" : 21 , "../core/Sleeping" : 22 , "../factory/Bodies" : 23 , "../factory/Composites" : 24 , "../geometry/Axes" : 25 , "../geometry/Bounds" : 26 , "../geometry/Svg" : 27 , "../geometry/Vector" : 28 , "../geometry/Vertices" : 29 , "../render/Render" : 31 , "../render/RenderPixi" : 32 } ] , 31 : [ function ( e , t , n ) { var o = { } ; t . exports = o
; var i = e ( "../core/Common" ) , r = e ( "../body/Composite" ) , s = e ( "../geometry/Bounds" ) , a = e ( "../core/Events" ) , l = e ( "../collision/Grid" ) , c = e ( "../geometry/Vector" ) , d = e ( "../core/Mouse" ) ; ! function ( ) { var e , t ; "undefined" != typeof window && ( e = window . requestAnimationFrame || window . webkitRequestAnimationFrame || window . mozRequestAnimationFrame || window . msRequestAnimationFrame || function ( e ) { window . setTimeout ( function ( ) { e ( i . now ( ) ) } , 1e3 / 60 ) } , t = window . cancelAnimationFrame || window . mozCancelAnimationFrame || window . webkitCancelAnimationFrame || window . msCancelAnimationFrame ) , o . create = function ( e ) { var t = { controller : o , engine : null , element : null , canvas : null , mouse : null , frameRequestId : null , options : { width : 800 , height : 600 , pixelRatio : 1 , background : "#18181d" , wireframeBackground : "#0f0f13" , hasBounds : ! ! e . bounds , enabled : ! 0 , wireframes : ! 0 , showSleeping : ! 0 , showDebug : ! 1 , showBroadphase : ! 1 , showBounds : ! 1 , showVelocity : ! 1 , showCollisions : ! 1 , showSeparations : ! 1 , showAxes : ! 1 , showPositions : ! 1 , showAngleIndicator : ! 1 , showIds : ! 1 , showShadows : ! 1 ,
showVertexNumbers : ! 1 , showConvexHulls : ! 1 , showInternalEdges : ! 1 , showMousePosition : ! 1 } } , r = i . extend ( t , e ) ; return r . canvas && ( r . canvas . width = r . options . width || r . canvas . width , r . canvas . height = r . options . height || r . canvas . height ) , r . mouse = e . mouse , r . engine = e . engine , r . canvas = r . canvas || n ( r . options . width , r . options . height ) , r . context = r . canvas . getContext ( "2d" ) , r . textures = { } , r . bounds = r . bounds || { min : { x : 0 , y : 0 } , max : { x : r . canvas . width , y : r . canvas . height } } , 1 !== r . options . pixelRatio && o . setPixelRatio ( r , r . options . pixelRatio ) , i . isElement ( r . element ) ? r . element . appendChild ( r . canvas ) : r . canvas . parentNode || i . log ( "Render.create: options.element was undefined, render.canvas was created but not appended" , "warn" ) , r } , o . run = function ( t ) { ! function n ( i ) { t . frameRequestId = e ( n ) , o . world ( t ) } ( ) } , o . stop = function ( e ) { t ( e . frameRequestId ) } , o . setPixelRatio = function ( e , t ) { var n = e . options , o = e . canvas ; "auto" === t && ( t = u ( o ) ) , n . pixelRatio = t , o . setAttribute ( "data-pixel-ratio" , t ) , o . width = n . width * t , o . height = n . height * t , o . style . width = n . width + "px" ,
o . style . height = n . height + "px" , e . context . scale ( t , t ) } , o . lookAt = function ( e , t , n , o ) { o = void 0 === o || o , t = i . isArray ( t ) ? t : [ t ] , n = n || { x : 0 , y : 0 } ; for ( var r = { min : { x : 1 / 0 , y : 1 / 0 } , max : { x : - 1 / 0 , y : - 1 / 0 } } , s = 0 ; s < t . length ; s += 1 ) { var a = t [ s ] , l = a . bounds ? a . bounds . min : a . min || a . position || a , c = a . bounds ? a . bounds . max : a . max || a . position || a ; l && c && ( l . x < r . min . x && ( r . min . x = l . x ) , c . x > r . max . x && ( r . max . x = c . x ) , l . y < r . min . y && ( r . min . y = l . y ) , c . y > r . max . y && ( r . max . y = c . y ) ) } var u = r . max . x - r . min . x + 2 * n . x , p = r . max . y - r . min . y + 2 * n . y , f = e . canvas . height , m = e . canvas . width , v = m / f , y = u / p , g = 1 , x = 1 ; y > v ? x = y / v : g = v / y , e . options . hasBounds = ! 0 , e . bounds . min . x = r . min . x , e . bounds . max . x = r . min . x + u * g , e . bounds . min . y = r . min . y , e . bounds . max . y = r . min . y + p * x , o && ( e . bounds . min . x += . 5 * u - u * g * . 5 , e . bounds . max . x += . 5 * u - u * g * . 5 , e . bounds . min . y += . 5 * p - p * x * . 5 , e . bounds . max . y += . 5 * p - p * x * . 5 ) , e . bounds . min . x -= n . x , e . bounds . max . x -= n . x , e . bounds . min . y -= n . y , e . bounds . max . y -= n . y , e . mouse && ( d . setScale ( e . mouse , { x : ( e . bounds . max . x - e . bounds . min . x ) / e . canvas . width , y : ( e . bounds . max . y - e . bounds . min . y ) / e . canvas . height } ) ,
d . setOffset ( e . mouse , e . bounds . min ) ) } , o . startViewTransform = function ( e ) { var t = e . bounds . max . x - e . bounds . min . x , n = e . bounds . max . y - e . bounds . min . y , o = t / e . options . width , i = n / e . options . height ; e . context . scale ( 1 / o , 1 / i ) , e . context . translate ( - e . bounds . min . x , - e . bounds . min . y ) } , o . endViewTransform = function ( e ) { e . context . setTransform ( e . options . pixelRatio , 0 , 0 , e . options . pixelRatio , 0 , 0 ) } , o . world = function ( e ) { var t , n = e . engine , i = n . world , u = e . canvas , p = e . context , m = e . options , v = r . allBodies ( i ) , y = r . allConstraints ( i ) , g = m . wireframes ? m . wireframeBackground : m . background , x = [ ] , h = [ ] , b = { timestamp : n . timing . timestamp } ; if ( a . trigger ( e , "beforeRender" , b ) , e . currentBackground !== g && f ( e , g ) , p . globalCompositeOperation = "source-in" , p . fillStyle = "transparent" , p . fillRect ( 0 , 0 , u . width , u . height ) , p . globalCompositeOperation = "source-over" , m . hasBounds ) { for ( t = 0 ; t < v . length ; t ++ ) { var w = v [ t ] ; s . overlaps ( w . bounds , e . bounds ) && x . push ( w ) } for ( t = 0 ; t < y . length ; t ++ ) { var S = y [ t ] , C = S . bodyA , A = S . bodyB , P = S . pointA , B = S . pointB ; C && ( P = c . add ( C . position , S . pointA ) ) ,
A && ( B = c . add ( A . position , S . pointB ) ) , P && B && ( ( s . contains ( e . bounds , P ) || s . contains ( e . bounds , B ) ) && h . push ( S ) ) } o . startViewTransform ( e ) , e . mouse && ( d . setScale ( e . mouse , { x : ( e . bounds . max . x - e . bounds . min . x ) / e . canvas . width , y : ( e . bounds . max . y - e . bounds . min . y ) / e . canvas . height } ) , d . setOffset ( e . mouse , e . bounds . min ) ) } else h = y , x = v ; ! m . wireframes || n . enableSleeping && m . showSleeping ? o . bodies ( e , x , p ) : ( m . showConvexHulls && o . bodyConvexHulls ( e , x , p ) , o . bodyWireframes ( e , x , p ) ) , m . showBounds && o . bodyBounds ( e , x , p ) , ( m . showAxes || m . showAngleIndicator ) && o . bodyAxes ( e , x , p ) , m . showPositions && o . bodyPositions ( e , x , p ) , m . showVelocity && o . bodyVelocity ( e , x , p ) , m . showIds && o . bodyIds ( e , x , p ) , m . showSeparations && o . separations ( e , n . pairs . list , p ) , m . showCollisions && o . collisions ( e , n . pairs . list , p ) , m . showVertexNumbers && o . vertexNumbers ( e , x , p ) , m . showMousePosition && o . mousePosition ( e , e . mouse , p ) , o . constraints ( h , p ) , m . showBroadphase && n . broadphase . controller === l && o . grid ( e , n . broadphase , p ) , m . showDebug && o . debug ( e , p ) , m . hasBounds && o . endViewTransform ( e ) ,
a . trigger ( e , "afterRender" , b ) } , o . debug = function ( e , t ) { var n = t , o = e . engine , i = o . world , s = o . metrics , a = e . options ; r . allBodies ( i ) ; if ( o . timing . timestamp - ( e . debugTimestamp || 0 ) >= 500 ) { var l = "" ; s . timing && ( l += "fps: " + Math . round ( s . timing . fps ) + " " ) , e . debugString = l , e . debugTimestamp = o . timing . timestamp } if ( e . debugString ) { n . font = "12px Arial" , a . wireframes ? n . fillStyle = "rgba(255,255,255,0.5)" : n . fillStyle = "rgba(0,0,0,0.5)" ; for ( var c = e . debugString . split ( "\n" ) , d = 0 ; d < c . length ; d ++ ) n . fillText ( c [ d ] , 50 , 50 + 18 * d ) } } , o . constraints = function ( e , t ) { for ( var n = t , o = 0 ; o < e . length ; o ++ ) { var r = e [ o ] ; if ( r . render . visible && r . pointA && r . pointB ) { var s , a , l = r . bodyA , d = r . bodyB ; if ( s = l ? c . add ( l . position , r . pointA ) : r . pointA , "pin" === r . render . type ) n . beginPath ( ) , n . arc ( s . x , s . y , 3 , 0 , 2 * Math . PI ) , n . closePath ( ) ; else { if ( a = d ? c . add ( d . position , r . pointB ) : r . pointB , n . beginPath ( ) , n . moveTo ( s . x , s . y ) , "spring" === r . render . type ) for ( var u , p = c . sub ( a , s ) , f = c . perp ( c . normalise ( p ) ) , m = Math . ceil ( i . clamp ( r . length / 5 , 12 , 20 ) ) , v = 1 ; v < m ; v += 1 ) u = v % 2 == 0 ? 1 : - 1 ,
n . lineTo ( s . x + p . x * ( v / m ) + f . x * u * 4 , s . y + p . y * ( v / m ) + f . y * u * 4 ) ; n . lineTo ( a . x , a . y ) } r . render . lineWidth && ( n . lineWidth = r . render . lineWidth , n . strokeStyle = r . render . strokeStyle , n . stroke ( ) ) , r . render . anchors && ( n . fillStyle = r . render . strokeStyle , n . beginPath ( ) , n . arc ( s . x , s . y , 3 , 0 , 2 * Math . PI ) , n . arc ( a . x , a . y , 3 , 0 , 2 * Math . PI ) , n . closePath ( ) , n . fill ( ) ) } } } , o . bodyShadows = function ( e , t , n ) { for ( var o = n , i = ( e . engine , 0 ) ; i < t . length ; i ++ ) { var r = t [ i ] ; if ( r . render . visible ) { if ( r . circleRadius ) o . beginPath ( ) , o . arc ( r . position . x , r . position . y , r . circleRadius , 0 , 2 * Math . PI ) , o . closePath ( ) ; else { o . beginPath ( ) , o . moveTo ( r . vertices [ 0 ] . x , r . vertices [ 0 ] . y ) ; for ( var s = 1 ; s < r . vertices . length ; s ++ ) o . lineTo ( r . vertices [ s ] . x , r . vertices [ s ] . y ) ; o . closePath ( ) } var a = r . position . x - . 5 * e . options . width , l = r . position . y - . 2 * e . options . height , c = Math . abs ( a ) + Math . abs ( l ) ; o . shadowColor = "rgba(0,0,0,0.15)" , o . shadowOffsetX = . 05 * a , o . shadowOffsetY = . 05 * l , o . shadowBlur = 1 + 12 * Math . min ( 1 , c / 1e3 ) , o . fill ( ) , o . shadowColor = null , o . shadowOffsetX = null , o . shadowOffsetY = null , o . shadowBlur = null } } } ,
o . bodies = function ( e , t , n ) { var o , i , r , s , a = n , l = ( e . engine , e . options ) , c = l . showInternalEdges || ! l . wireframes ; for ( r = 0 ; r < t . length ; r ++ ) if ( o = t [ r ] , o . render . visible ) for ( s = o . parts . length > 1 ? 1 : 0 ; s < o . parts . length ; s ++ ) if ( i = o . parts [ s ] , i . render . visible ) { if ( l . showSleeping && o . isSleeping ? a . globalAlpha = . 5 * i . render . opacity : 1 !== i . render . opacity && ( a . globalAlpha = i . render . opacity ) , i . render . sprite && i . render . sprite . texture && ! l . wireframes ) { var d = i . render . sprite , u = p ( e , d . texture ) ; a . translate ( i . position . x , i . position . y ) , a . rotate ( i . angle ) , a . drawImage ( u , u . width * - d . xOffset * d . xScale , u . height * - d . yOffset * d . yScale , u . width * d . xScale , u . height * d . yScale ) , a . rotate ( - i . angle ) , a . translate ( - i . position . x , - i . position . y ) } else { if ( i . circleRadius ) a . beginPath ( ) , a . arc ( i . position . x , i . position . y , i . circleRadius , 0 , 2 * Math . PI ) ; else { a . beginPath ( ) , a . moveTo ( i . vertices [ 0 ] . x , i . vertices [ 0 ] . y ) ; for ( var f = 1 ; f < i . vertices . length ; f ++ ) ! i . vertices [ f - 1 ] . isInternal || c ? a . lineTo ( i . vertices [ f ] . x , i . vertices [ f ] . y ) : a . moveTo ( i . vertices [ f ] . x , i . vertices [ f ] . y ) ,
i . vertices [ f ] . isInternal && ! c && a . moveTo ( i . vertices [ ( f + 1 ) % i . vertices . length ] . x , i . vertices [ ( f + 1 ) % i . vertices . length ] . y ) ; a . lineTo ( i . vertices [ 0 ] . x , i . vertices [ 0 ] . y ) , a . closePath ( ) } l . wireframes ? ( a . lineWidth = 1 , a . strokeStyle = "#bbb" , a . stroke ( ) ) : ( a . fillStyle = i . render . fillStyle , i . render . lineWidth && ( a . lineWidth = i . render . lineWidth , a . strokeStyle = i . render . strokeStyle , a . stroke ( ) ) , a . fill ( ) ) } a . globalAlpha = 1 } } , o . bodyWireframes = function ( e , t , n ) { var o , i , r , s , a , l = n , c = e . options . showInternalEdges ; for ( l . beginPath ( ) , r = 0 ; r < t . length ; r ++ ) if ( o = t [ r ] , o . render . visible ) for ( a = o . parts . length > 1 ? 1 : 0 ; a < o . parts . length ; a ++ ) { for ( i = o . parts [ a ] , l . moveTo ( i . vertices [ 0 ] . x , i . vertices [ 0 ] . y ) , s = 1 ; s < i . vertices . length ; s ++ ) ! i . vertices [ s - 1 ] . isInternal || c ? l . lineTo ( i . vertices [ s ] . x , i . vertices [ s ] . y ) : l . moveTo ( i . vertices [ s ] . x , i . vertices [ s ] . y ) , i . vertices [ s ] . isInternal && ! c && l . moveTo ( i . vertices [ ( s + 1 ) % i . vertices . length ] . x , i . vertices [ ( s + 1 ) % i . vertices . length ] . y ) ; l . lineTo ( i . vertices [ 0 ] . x , i . vertices [ 0 ] . y ) } l . lineWidth = 1 , l . strokeStyle = "#bbb" , l . stroke ( ) } ,
o . bodyConvexHulls = function ( e , t , n ) { var o , i , r , s = n ; for ( s . beginPath ( ) , i = 0 ; i < t . length ; i ++ ) if ( o = t [ i ] , o . render . visible && 1 !== o . parts . length ) { for ( s . moveTo ( o . vertices [ 0 ] . x , o . vertices [ 0 ] . y ) , r = 1 ; r < o . vertices . length ; r ++ ) s . lineTo ( o . vertices [ r ] . x , o . vertices [ r ] . y ) ; s . lineTo ( o . vertices [ 0 ] . x , o . vertices [ 0 ] . y ) } s . lineWidth = 1 , s . strokeStyle = "rgba(255,255,255,0.2)" , s . stroke ( ) } , o . vertexNumbers = function ( e , t , n ) { var o , i , r , s = n ; for ( o = 0 ; o < t . length ; o ++ ) { var a = t [ o ] . parts ; for ( r = a . length > 1 ? 1 : 0 ; r < a . length ; r ++ ) { var l = a [ r ] ; for ( i = 0 ; i < l . vertices . length ; i ++ ) s . fillStyle = "rgba(255,255,255,0.2)" , s . fillText ( o + "_" + i , l . position . x + . 8 * ( l . vertices [ i ] . x - l . position . x ) , l . position . y + . 8 * ( l . vertices [ i ] . y - l . position . y ) ) } } } , o . mousePosition = function ( e , t , n ) { var o = n ; o . fillStyle = "rgba(255,255,255,0.8)" , o . fillText ( t . position . x + " " + t . position . y , t . position . x + 5 , t . position . y - 5 ) } , o . bodyBounds = function ( e , t , n ) { var o = n , i = ( e . engine , e . options ) ; o . beginPath ( ) ; for ( var r = 0 ; r < t . length ; r ++ ) {
if ( t [ r ] . render . visible ) for ( var s = t [ r ] . parts , a = s . length > 1 ? 1 : 0 ; a < s . length ; a ++ ) { var l = s [ a ] ; o . rect ( l . bounds . min . x , l . bounds . min . y , l . bounds . max . x - l . bounds . min . x , l . bounds . max . y - l . bounds . min . y ) } } i . wireframes ? o . strokeStyle = "rgba(255,255,255,0.08)" : o . strokeStyle = "rgba(0,0,0,0.1)" , o . lineWidth = 1 , o . stroke ( ) } , o . bodyAxes = function ( e , t , n ) { var o , i , r , s , a = n , l = ( e . engine , e . options ) ; for ( a . beginPath ( ) , i = 0 ; i < t . length ; i ++ ) { var c = t [ i ] , d = c . parts ; if ( c . render . visible ) if ( l . showAxes ) for ( r = d . length > 1 ? 1 : 0 ; r < d . length ; r ++ ) for ( o = d [ r ] , s = 0 ; s < o . axes . length ; s ++ ) { var u = o . axes [ s ] ; a . moveTo ( o . position . x , o . position . y ) , a . lineTo ( o . position . x + 20 * u . x , o . position . y + 20 * u . y ) } else for ( r = d . length > 1 ? 1 : 0 ; r < d . length ; r ++ ) for ( o = d [ r ] , s = 0 ; s < o . axes . length ; s ++ ) a . moveTo ( o . position . x , o . position . y ) , a . lineTo ( ( o . vertices [ 0 ] . x + o . vertices [ o . vertices . length - 1 ] . x ) / 2 , ( o . vertices [ 0 ] . y + o . vertices [ o . vertices . length - 1 ] . y ) / 2 ) } l . wireframes ? ( a . strokeStyle = "indianred" , a . lineWidth = 1 ) : ( a . strokeStyle = "rgba(255, 255, 255, 0.4)" , a . globalCompositeOperation = "overlay" ,
a . lineWidth = 2 ) , a . stroke ( ) , a . globalCompositeOperation = "source-over" } , o . bodyPositions = function ( e , t , n ) { var o , i , r , s , a = n , l = ( e . engine , e . options ) ; for ( a . beginPath ( ) , r = 0 ; r < t . length ; r ++ ) if ( o = t [ r ] , o . render . visible ) for ( s = 0 ; s < o . parts . length ; s ++ ) i = o . parts [ s ] , a . arc ( i . position . x , i . position . y , 3 , 0 , 2 * Math . PI , ! 1 ) , a . closePath ( ) ; for ( l . wireframes ? a . fillStyle = "indianred" : a . fillStyle = "rgba(0,0,0,0.5)" , a . fill ( ) , a . beginPath ( ) , r = 0 ; r < t . length ; r ++ ) o = t [ r ] , o . render . visible && ( a . arc ( o . positionPrev . x , o . positionPrev . y , 2 , 0 , 2 * Math . PI , ! 1 ) , a . closePath ( ) ) ; a . fillStyle = "rgba(255,165,0,0.8)" , a . fill ( ) } , o . bodyVelocity = function ( e , t , n ) { var o = n ; o . beginPath ( ) ; for ( var i = 0 ; i < t . length ; i ++ ) { var r = t [ i ] ; r . render . visible && ( o . moveTo ( r . position . x , r . position . y ) , o . lineTo ( r . position . x + 2 * ( r . position . x - r . positionPrev . x ) , r . position . y + 2 * ( r . position . y - r . positionPrev . y ) ) ) } o . lineWidth = 3 , o . strokeStyle = "cornflowerblue" , o . stroke ( ) } , o . bodyIds = function ( e , t , n ) { var o , i , r = n ; for ( o = 0 ; o < t . length ; o ++ ) if ( t [ o ] . render . visible ) { var s = t [ o ] . parts
; for ( i = s . length > 1 ? 1 : 0 ; i < s . length ; i ++ ) { var a = s [ i ] ; r . font = "12px Arial" , r . fillStyle = "rgba(255,255,255,0.5)" , r . fillText ( a . id , a . position . x + 10 , a . position . y - 10 ) } } } , o . collisions = function ( e , t , n ) { var o , i , r , s , a = n , l = e . options ; for ( a . beginPath ( ) , r = 0 ; r < t . length ; r ++ ) if ( o = t [ r ] , o . isActive ) for ( i = o . collision , s = 0 ; s < o . activeContacts . length ; s ++ ) { var c = o . activeContacts [ s ] , d = c . vertex ; a . rect ( d . x - 1.5 , d . y - 1.5 , 3.5 , 3.5 ) } for ( l . wireframes ? a . fillStyle = "rgba(255,255,255,0.7)" : a . fillStyle = "orange" , a . fill ( ) , a . beginPath ( ) , r = 0 ; r < t . length ; r ++ ) if ( o = t [ r ] , o . isActive && ( i = o . collision , o . activeContacts . length > 0 ) ) { var u = o . activeContacts [ 0 ] . vertex . x , p = o . activeContacts [ 0 ] . vertex . y ; 2 === o . activeContacts . length && ( u = ( o . activeContacts [ 0 ] . vertex . x + o . activeContacts [ 1 ] . vertex . x ) / 2 , p = ( o . activeContacts [ 0 ] . vertex . y + o . activeContacts [ 1 ] . vertex . y ) / 2 ) , i . bodyB === i . supports [ 0 ] . body || ! 0 === i . bodyA . isStatic ? a . moveTo ( u - 8 * i . normal . x , p - 8 * i . normal . y ) : a . moveTo ( u + 8 * i . normal . x , p + 8 * i . normal . y ) , a . lineTo ( u , p ) }
l . wireframes ? a . strokeStyle = "rgba(255,165,0,0.7)" : a . strokeStyle = "orange" , a . lineWidth = 1 , a . stroke ( ) } , o . separations = function ( e , t , n ) { var o , i , r , s , a , l = n , c = e . options ; for ( l . beginPath ( ) , a = 0 ; a < t . length ; a ++ ) if ( o = t [ a ] , o . isActive ) { i = o . collision , r = i . bodyA , s = i . bodyB ; var d = 1 ; s . isStatic || r . isStatic || ( d = . 5 ) , s . isStatic && ( d = 0 ) , l . moveTo ( s . position . x , s . position . y ) , l . lineTo ( s . position . x - i . penetration . x * d , s . position . y - i . penetration . y * d ) , d = 1 , s . isStatic || r . isStatic || ( d = . 5 ) , r . isStatic && ( d = 0 ) , l . moveTo ( r . position . x , r . position . y ) , l . lineTo ( r . position . x + i . penetration . x * d , r . position . y + i . penetration . y * d ) } c . wireframes ? l . strokeStyle = "rgba(255,165,0,0.5)" : l . strokeStyle = "orange" , l . stroke ( ) } , o . grid = function ( e , t , n ) { var o = n ; e . options . wireframes ? o . strokeStyle = "rgba(255,180,0,0.1)" : o . strokeStyle = "rgba(255,180,0,0.5)" , o . beginPath ( ) ; for ( var r = i . keys ( t . buckets ) , s = 0 ; s < r . length ; s ++ ) { var a = r [ s ] ; if ( ! ( t . buckets [ a ] . length < 2 ) ) { var l = a . split ( /C|R/ )
; o . rect ( . 5 + parseInt ( l [ 1 ] , 10 ) * t . bucketWidth , . 5 + parseInt ( l [ 2 ] , 10 ) * t . bucketHeight , t . bucketWidth , t . bucketHeight ) } } o . lineWidth = 1 , o . stroke ( ) } , o . inspector = function ( e , t ) { var n , o = ( e . engine , e . selected ) , i = e . render , r = i . options ; if ( r . hasBounds ) { var s = i . bounds . max . x - i . bounds . min . x , a = i . bounds . max . y - i . bounds . min . y , l = s / i . options . width , c = a / i . options . height ; t . scale ( 1 / l , 1 / c ) , t . translate ( - i . bounds . min . x , - i . bounds . min . y ) } for ( var d = 0 ; d < o . length ; d ++ ) { var u = o [ d ] . data ; switch ( t . translate ( . 5 , . 5 ) , t . lineWidth = 1 , t . strokeStyle = "rgba(255,165,0,0.9)" , t . setLineDash ( [ 1 , 2 ] ) , u . type ) { case "body" : n = u . bounds , t . beginPath ( ) , t . rect ( Math . floor ( n . min . x - 3 ) , Math . floor ( n . min . y - 3 ) , Math . floor ( n . max . x - n . min . x + 6 ) , Math . floor ( n . max . y - n . min . y + 6 ) ) , t . closePath ( ) , t . stroke ( ) ; break ; case "constraint" : var p = u . pointA ; u . bodyA && ( p = u . pointB ) , t . beginPath ( ) , t . arc ( p . x , p . y , 10 , 0 , 2 * Math . PI ) , t . closePath ( ) , t . stroke ( ) } t . setLineDash ( [ ] ) , t . translate ( - . 5 , - . 5 ) } null !== e . selectStart && ( t . translate ( . 5 , . 5 ) , t . lineWidth = 1 , t . strokeStyle = "rgba(255,165,0,0.6)" ,
t . fillStyle = "rgba(255,165,0,0.1)" , n = e . selectBounds , t . beginPath ( ) , t . rect ( Math . floor ( n . min . x ) , Math . floor ( n . min . y ) , Math . floor ( n . max . x - n . min . x ) , Math . floor ( n . max . y - n . min . y ) ) , t . closePath ( ) , t . stroke ( ) , t . fill ( ) , t . translate ( - . 5 , - . 5 ) ) , r . hasBounds && t . setTransform ( 1 , 0 , 0 , 1 , 0 , 0 ) } ; var n = function ( e , t ) { var n = document . createElement ( "canvas" ) ; return n . width = e , n . height = t , n . oncontextmenu = function ( ) { return ! 1 } , n . onselectstart = function ( ) { return ! 1 } , n } , u = function ( e ) { var t = e . getContext ( "2d" ) ; return ( window . devicePixelRatio || 1 ) / ( t . webkitBackingStorePixelRatio || t . mozBackingStorePixelRatio || t . msBackingStorePixelRatio || t . oBackingStorePixelRatio || t . backingStorePixelRatio || 1 ) } , p = function ( e , t ) { var n = e . textures [ t ] ; return n || ( n = e . textures [ t ] = new Image , n . src = t , n ) } , f = function ( e , t ) { var n = t ; /(jpg|gif|png)$/ . test ( t ) && ( n = "url(" + t + ")" ) , e . canvas . style . background = n , e . canvas . style . backgroundSize = "contain" , e . currentBackground = t } } ( ) } , { "../body/Composite" : 2 , "../collision/Grid" : 6 , "../core/Common" : 14 , "../core/Events" : 16 ,
"../core/Mouse" : 19 , "../geometry/Bounds" : 26 , "../geometry/Vector" : 28 } ] , 32 : [ function ( e , t , n ) { var o = { } ; t . exports = o ; var i = e ( "../geometry/Bounds" ) , r = e ( "../body/Composite" ) , s = e ( "../core/Common" ) , a = e ( "../core/Events" ) , l = e ( "../geometry/Vector" ) ; ! function ( ) { var e , t ; "undefined" != typeof window && ( e = window . requestAnimationFrame || window . webkitRequestAnimationFrame || window . mozRequestAnimationFrame || window . msRequestAnimationFrame || function ( e ) { window . setTimeout ( function ( ) { e ( s . now ( ) ) } , 1e3 / 60 ) } , t = window . cancelAnimationFrame || window . mozCancelAnimationFrame || window . webkitCancelAnimationFrame || window . msCancelAnimationFrame ) , o . create = function ( e ) { s . warn ( "RenderPixi.create: Matter.RenderPixi is deprecated (see docs)" ) ; var t = { controller : o , engine : null , element : null , frameRequestId : null , canvas : null , renderer : null , container : null , spriteContainer : null , pixiOptions : null , options : { width : 800 , height : 600 , background : "#fafafa" , wireframeBackground : "#222" , hasBounds : ! 1 , enabled : ! 0 , wireframes : ! 0 , showSleeping : ! 0 , showDebug : ! 1 ,
showBroadphase : ! 1 , showBounds : ! 1 , showVelocity : ! 1 , showCollisions : ! 1 , showAxes : ! 1 , showPositions : ! 1 , showAngleIndicator : ! 1 , showIds : ! 1 , showShadows : ! 1 } } , n = s . extend ( t , e ) , i = ! n . options . wireframes && "transparent" === n . options . background ; return n . pixiOptions = n . pixiOptions || { view : n . canvas , transparent : i , antialias : ! 0 , backgroundColor : e . background } , n . mouse = e . mouse , n . engine = e . engine , n . renderer = n . renderer || new PIXI . WebGLRenderer ( n . options . width , n . options . height , n . pixiOptions ) , n . container = n . container || new PIXI . Container , n . spriteContainer = n . spriteContainer || new PIXI . Container , n . canvas = n . canvas || n . renderer . view , n . bounds = n . bounds || { min : { x : 0 , y : 0 } , max : { x : n . options . width , y : n . options . height } } , a . on ( n . engine , "beforeUpdate" , function ( ) { o . clear ( n ) } ) , n . textures = { } , n . sprites = { } , n . primitives = { } , n . container . addChild ( n . spriteContainer ) , s . isElement ( n . element ) ? n . element . appendChild ( n . canvas ) : s . warn ( 'No "render.element" passed, "render.canvas" was not inserted into document.' ) , n . canvas . oncontextmenu = function ( ) { return ! 1 } ,
n . canvas . onselectstart = function ( ) { return ! 1 } , n } , o . run = function ( t ) { ! function n ( i ) { t . frameRequestId = e ( n ) , o . world ( t ) } ( ) } , o . stop = function ( e ) { t ( e . frameRequestId ) } , o . clear = function ( e ) { for ( var t = e . container , n = e . spriteContainer ; t . children [ 0 ] ; ) t . removeChild ( t . children [ 0 ] ) ; for ( ; n . children [ 0 ] ; ) n . removeChild ( n . children [ 0 ] ) ; var o = e . sprites [ "bg-0" ] ; e . textures = { } , e . sprites = { } , e . primitives = { } , e . sprites [ "bg-0" ] = o , o && t . addChildAt ( o , 0 ) , e . container . addChild ( e . spriteContainer ) , e . currentBackground = null , t . scale . set ( 1 , 1 ) , t . position . set ( 0 , 0 ) } , o . setBackground = function ( e , t ) { if ( e . currentBackground !== t ) { var n = t . indexOf && - 1 !== t . indexOf ( "#" ) , o = e . sprites [ "bg-0" ] ; if ( n ) { var i = s . colorToNumber ( t ) ; e . renderer . backgroundColor = i , o && e . container . removeChild ( o ) } else if ( ! o ) { var r = d ( e , t ) ; o = e . sprites [ "bg-0" ] = new PIXI . Sprite ( r ) , o . position . x = 0 , o . position . y = 0 , e . container . addChildAt ( o , 0 ) } e . currentBackground = t } } , o . world = function ( e ) {
var t , n = e . engine , s = n . world , a = e . renderer , c = e . container , d = e . options , u = r . allBodies ( s ) , p = r . allConstraints ( s ) , f = [ ] ; d . wireframes ? o . setBackground ( e , d . wireframeBackground ) : o . setBackground ( e , d . background ) ; var m = e . bounds . max . x - e . bounds . min . x , v = e . bounds . max . y - e . bounds . min . y , y = m / e . options . width , g = v / e . options . height ; if ( d . hasBounds ) { for ( t = 0 ; t < u . length ; t ++ ) { var x = u [ t ] ; x . render . sprite . visible = i . overlaps ( x . bounds , e . bounds ) } for ( t = 0 ; t < p . length ; t ++ ) { var h = p [ t ] , b = h . bodyA , w = h . bodyB , S = h . pointA , C = h . pointB ; b && ( S = l . add ( b . position , h . pointA ) ) , w && ( C = l . add ( w . position , h . pointB ) ) , S && C && ( ( i . contains ( e . bounds , S ) || i . contains ( e . bounds , C ) ) && f . push ( h ) ) } c . scale . set ( 1 / y , 1 / g ) , c . position . set ( - e . bounds . min . x * ( 1 / y ) , - e . bounds . min . y * ( 1 / g ) ) } else f = p ; for ( t = 0 ; t < u . length ; t ++ ) o . body ( e , u [ t ] ) ; for ( t = 0 ; t < f . length ; t ++ ) o . constraint ( e , f [ t ] ) ; a . render ( c ) } , o . constraint = function ( e , t ) { var n = ( e . engine , t . bodyA ) , o = t . bodyB , i = t . pointA , r = t . pointB , a = e . container , l = t . render , c = "c-" + t . id , d = e . primitives [ c ] ; if ( d || ( d = e . primitives [ c ] = new PIXI . Graphics ) ,
! l . visible || ! t . pointA || ! t . pointB ) return void d . clear ( ) ; - 1 === s . indexOf ( a . children , d ) && a . addChild ( d ) , d . clear ( ) , d . beginFill ( 0 , 0 ) , d . lineStyle ( l . lineWidth , s . colorToNumber ( l . strokeStyle ) , 1 ) , n ? d . moveTo ( n . position . x + i . x , n . position . y + i . y ) : d . moveTo ( i . x , i . y ) , o ? d . lineTo ( o . position . x + r . x , o . position . y + r . y ) : d . lineTo ( r . x , r . y ) , d . endFill ( ) } , o . body = function ( e , t ) { var o = ( e . engine , t . render ) ; if ( o . visible ) if ( o . sprite && o . sprite . texture ) { var i = "b-" + t . id , r = e . sprites [ i ] , a = e . spriteContainer ; r || ( r = e . sprites [ i ] = n ( e , t ) ) , - 1 === s . indexOf ( a . children , r ) && a . addChild ( r ) , r . position . x = t . position . x , r . position . y = t . position . y , r . rotation = t . angle , r . scale . x = o . sprite . xScale || 1 , r . scale . y = o . sprite . yScale || 1 } else { var l = "b-" + t . id , d = e . primitives [ l ] , u = e . container ; d || ( d = e . primitives [ l ] = c ( e , t ) , d . initialAngle = t . angle ) , - 1 === s . indexOf ( u . children , d ) && u . addChild ( d ) , d . position . x = t . position . x , d . position . y = t . position . y , d . rotation = t . angle - d . initialAngle } } ; var n = function ( e , t ) { var n = t . render , o = n . sprite . texture , i = d ( e , o ) , r = new PIXI . Sprite ( i )
; return r . anchor . x = t . render . sprite . xOffset , r . anchor . y = t . render . sprite . yOffset , r } , c = function ( e , t ) { var n , o = t . render , i = e . options , r = new PIXI . Graphics , a = s . colorToNumber ( o . fillStyle ) , l = s . colorToNumber ( o . strokeStyle ) , c = s . colorToNumber ( o . strokeStyle ) , d = s . colorToNumber ( "#bbb" ) , u = s . colorToNumber ( "#CD5C5C" ) ; r . clear ( ) ; for ( var p = t . parts . length > 1 ? 1 : 0 ; p < t . parts . length ; p ++ ) { n = t . parts [ p ] , i . wireframes ? ( r . beginFill ( 0 , 0 ) , r . lineStyle ( 1 , d , 1 ) ) : ( r . beginFill ( a , 1 ) , r . lineStyle ( o . lineWidth , l , 1 ) ) , r . moveTo ( n . vertices [ 0 ] . x - t . position . x , n . vertices [ 0 ] . y - t . position . y ) ; for ( var f = 1 ; f < n . vertices . length ; f ++ ) r . lineTo ( n . vertices [ f ] . x - t . position . x , n . vertices [ f ] . y - t . position . y ) ; r . lineTo ( n . vertices [ 0 ] . x - t . position . x , n . vertices [ 0 ] . y - t . position . y ) , r . endFill ( ) , ( i . showAngleIndicator || i . showAxes ) && ( r . beginFill ( 0 , 0 ) , i . wireframes ? r . lineStyle ( 1 , u , 1 ) : r . lineStyle ( 1 , c ) , r . moveTo ( n . position . x - t . position . x , n . position . y - t . position . y ) ,
r . lineTo ( ( n . vertices [ 0 ] . x + n . vertices [ n . vertices . length - 1 ] . x ) / 2 - t . position . x , ( n . vertices [ 0 ] . y + n . vertices [ n . vertices . length - 1 ] . y ) / 2 - t . position . y ) , r . endFill ( ) ) } return r } , d = function ( e , t ) { var n = e . textures [ t ] ; return n || ( n = e . textures [ t ] = PIXI . Texture . fromImage ( t ) ) , n } } ( ) } , { "../body/Composite" : 2 , "../core/Common" : 14 , "../core/Events" : 16 , "../geometry/Bounds" : 26 , "../geometry/Vector" : 28 } ] } , { } , [ 30 ] ) ( 30 ) } ) ;
