mirror of
https://github.com/liabru/matter-js.git
synced 2024-11-30 10:20:52 -05:00
reorganised demo for clarity
This commit is contained in:
liabru
parent
1a31931473
commit
c1c459eb46
1 changed files with 168 additions and 162 deletions
330
demo/js/Demo.js
330
demo/js/Demo.js
|
|
@ -23,6 +23,8 @@
|
|||
_sceneName,
|
||||
_isMobile = /(ipad|iphone|ipod|android)/gi.test(navigator.userAgent);
|
||||
|
||||
// initialise the demo
|
||||
|
||||
Demo.init = function() {
|
||||
var container = document.getElementById('canvas-container');
|
||||
|
||||
|
|
@ -50,177 +52,19 @@
|
|||
// set up a scene with bodies
|
||||
Demo[_sceneName]();
|
||||
|
||||
// set up demo interface
|
||||
// set up demo interface (see end of this file)
|
||||
Demo.initControls();
|
||||
};
|
||||
|
||||
// call init when the page has loaded fully
|
||||
|
||||
if (window.addEventListener) {
|
||||
window.addEventListener('load', Demo.init);
|
||||
} else if (window.attachEvent) {
|
||||
window.attachEvent('load', Demo.init);
|
||||
}
|
||||
|
||||
Demo.initControls = function() {
|
||||
var demoSelect = document.getElementById('demo-select'),
|
||||
demoReset = document.getElementById('demo-reset');
|
||||
|
||||
// create a dat.gui using Matter helper
|
||||
if (!_isMobile)
|
||||
_gui = Gui.create(_engine);
|
||||
|
||||
// go fullscreen when using a mobile device
|
||||
if (_isMobile) {
|
||||
var body = document.body;
|
||||
|
||||
body.className += ' is-mobile';
|
||||
_engine.render.canvas.addEventListener('touchstart', Demo.fullscreen);
|
||||
|
||||
var fullscreenChange = function() {
|
||||
var fullscreenEnabled = document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled;
|
||||
|
||||
// delay fullscreen styles until fullscreen has finished changing
|
||||
setTimeout(function() {
|
||||
if (fullscreenEnabled) {
|
||||
body.className += ' is-fullscreen';
|
||||
} else {
|
||||
body.className = body.className.replace('is-fullscreen', '');
|
||||
}
|
||||
}, 2000);
|
||||
};
|
||||
|
||||
document.addEventListener('webkitfullscreenchange', fullscreenChange);
|
||||
document.addEventListener('mozfullscreenchange', fullscreenChange);
|
||||
document.addEventListener('fullscreenchange', fullscreenChange);
|
||||
}
|
||||
|
||||
// initialise demo selector
|
||||
demoSelect.value = _sceneName;
|
||||
|
||||
demoSelect.addEventListener('change', function(e) {
|
||||
Demo[_sceneName = e.target.value]();
|
||||
Gui.update(_gui);
|
||||
|
||||
var scrollY = window.scrollY;
|
||||
window.location.hash = _sceneName;
|
||||
window.scrollY = scrollY;
|
||||
});
|
||||
|
||||
demoReset.addEventListener('click', function(e) {
|
||||
Demo[_sceneName]();
|
||||
Gui.update(_gui);
|
||||
});
|
||||
};
|
||||
|
||||
Demo.fullscreen = function(){
|
||||
var _fullscreenElement = _engine.render.canvas;
|
||||
|
||||
if (!document.fullscreenElement && !document.mozFullScreenElement && !document.webkitFullscreenElement) {
|
||||
if (_fullscreenElement.requestFullscreen) {
|
||||
_fullscreenElement.requestFullscreen();
|
||||
} else if (_fullscreenElement.mozRequestFullScreen) {
|
||||
_fullscreenElement.mozRequestFullScreen();
|
||||
} else if (_fullscreenElement.webkitRequestFullscreen) {
|
||||
_fullscreenElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
Demo.reset = function() {
|
||||
var _world = _engine.world;
|
||||
|
||||
World.clear(_world);
|
||||
Engine.clear(_engine);
|
||||
|
||||
// clear scene graph (if defined in controller)
|
||||
var renderController = _engine.render.controller;
|
||||
if (renderController.clear)
|
||||
renderController.clear(_engine.render);
|
||||
|
||||
if (Events) {
|
||||
|
||||
// clear all events
|
||||
Events.off(_engine);
|
||||
|
||||
// add event for deleting bodies and constraints with right mouse button
|
||||
Events.on(_engine, 'mousedown', function(event) {
|
||||
var mouse = event.mouse,
|
||||
engine = event.source,
|
||||
bodies = Composite.allBodies(engine.world),
|
||||
constraints = Composite.allConstraints(engine.world),
|
||||
i;
|
||||
|
||||
if (mouse.button === 2) {
|
||||
|
||||
// find if a body was clicked on
|
||||
for (i = 0; i < bodies.length; i++) {
|
||||
var body = bodies[i];
|
||||
if (Bounds.contains(body.bounds, mouse.position)
|
||||
&& Vertices.contains(body.vertices, mouse.position)) {
|
||||
|
||||
// remove the body that was clicked on
|
||||
Composite.remove(engine.world, body, true);
|
||||
}
|
||||
}
|
||||
|
||||
// find if a constraint anchor was clicked on
|
||||
for (i = 0; i < constraints.length; i++) {
|
||||
var constraint = constraints[i],
|
||||
bodyA = constraint.bodyA,
|
||||
bodyB = constraint.bodyB;
|
||||
|
||||
// we need to account for different types of constraint anchor
|
||||
var pointAWorld = constraint.pointA,
|
||||
pointBWorld = constraint.pointB;
|
||||
if (bodyA) pointAWorld = Vector.add(bodyA.position, constraint.pointA);
|
||||
if (bodyB) pointBWorld = Vector.add(bodyB.position, constraint.pointB);
|
||||
|
||||
// if the constraint does not have two valid anchors, skip it
|
||||
if (!pointAWorld || !pointBWorld)
|
||||
continue;
|
||||
|
||||
// find distance between mouse and anchor points
|
||||
var distA = Vector.magnitudeSquared(Vector.sub(mouse.position, pointAWorld)),
|
||||
distB = Vector.magnitudeSquared(Vector.sub(mouse.position, pointBWorld));
|
||||
|
||||
// if mouse was close, remove the constraint
|
||||
if (distA < 100 || distB < 100) {
|
||||
Composite.remove(engine.world, constraint, true);
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
_engine.enableSleeping = false;
|
||||
_engine.world.gravity.y = 1;
|
||||
|
||||
var offset = 5;
|
||||
World.add(_world, [
|
||||
Bodies.rectangle(400, -offset, 800.5 + 2 * offset, 50.5, { isStatic: true }),
|
||||
Bodies.rectangle(400, 600 + offset, 800.5 + 2 * offset, 50.5, { isStatic: true }),
|
||||
Bodies.rectangle(800 + offset, 300, 50.5, 600.5 + 2 * offset, { isStatic: true }),
|
||||
Bodies.rectangle(-offset, 300, 50.5, 600.5 + 2 * offset, { isStatic: true })
|
||||
]);
|
||||
|
||||
var renderOptions = _engine.render.options;
|
||||
renderOptions.wireframes = true;
|
||||
renderOptions.showDebug = false;
|
||||
renderOptions.showBroadphase = false;
|
||||
renderOptions.showBounds = false;
|
||||
renderOptions.showVelocity = false;
|
||||
renderOptions.showCollisions = false;
|
||||
renderOptions.showAxes = false;
|
||||
renderOptions.showPositions = false;
|
||||
renderOptions.showAngleIndicator = true;
|
||||
renderOptions.showIds = false;
|
||||
renderOptions.showShadows = false;
|
||||
renderOptions.background = '#fff';
|
||||
|
||||
if (_isMobile)
|
||||
renderOptions.showDebug = true;
|
||||
};
|
||||
|
||||
// all functions below are for setting up scenes
|
||||
// each demo scene is set up in its own function, see below
|
||||
|
||||
Demo.mixed = function() {
|
||||
var _world = _engine.world;
|
||||
|
|
@ -808,4 +652,166 @@
|
|||
renderOptions.wireframes = false;
|
||||
};
|
||||
|
||||
// the functions for the demo interface and controls below
|
||||
|
||||
Demo.initControls = function() {
|
||||
var demoSelect = document.getElementById('demo-select'),
|
||||
demoReset = document.getElementById('demo-reset');
|
||||
|
||||
// create a dat.gui using Matter helper
|
||||
if (!_isMobile)
|
||||
_gui = Gui.create(_engine);
|
||||
|
||||
// go fullscreen when using a mobile device
|
||||
if (_isMobile) {
|
||||
var body = document.body;
|
||||
|
||||
body.className += ' is-mobile';
|
||||
_engine.render.canvas.addEventListener('touchstart', Demo.fullscreen);
|
||||
|
||||
var fullscreenChange = function() {
|
||||
var fullscreenEnabled = document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled;
|
||||
|
||||
// delay fullscreen styles until fullscreen has finished changing
|
||||
setTimeout(function() {
|
||||
if (fullscreenEnabled) {
|
||||
body.className += ' is-fullscreen';
|
||||
} else {
|
||||
body.className = body.className.replace('is-fullscreen', '');
|
||||
}
|
||||
}, 2000);
|
||||
};
|
||||
|
||||
document.addEventListener('webkitfullscreenchange', fullscreenChange);
|
||||
document.addEventListener('mozfullscreenchange', fullscreenChange);
|
||||
document.addEventListener('fullscreenchange', fullscreenChange);
|
||||
}
|
||||
|
||||
// initialise demo selector
|
||||
demoSelect.value = _sceneName;
|
||||
|
||||
demoSelect.addEventListener('change', function(e) {
|
||||
Demo[_sceneName = e.target.value]();
|
||||
Gui.update(_gui);
|
||||
|
||||
var scrollY = window.scrollY;
|
||||
window.location.hash = _sceneName;
|
||||
window.scrollY = scrollY;
|
||||
});
|
||||
|
||||
demoReset.addEventListener('click', function(e) {
|
||||
Demo[_sceneName]();
|
||||
Gui.update(_gui);
|
||||
});
|
||||
};
|
||||
|
||||
Demo.fullscreen = function(){
|
||||
var _fullscreenElement = _engine.render.canvas;
|
||||
|
||||
if (!document.fullscreenElement && !document.mozFullScreenElement && !document.webkitFullscreenElement) {
|
||||
if (_fullscreenElement.requestFullscreen) {
|
||||
_fullscreenElement.requestFullscreen();
|
||||
} else if (_fullscreenElement.mozRequestFullScreen) {
|
||||
_fullscreenElement.mozRequestFullScreen();
|
||||
} else if (_fullscreenElement.webkitRequestFullscreen) {
|
||||
_fullscreenElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
Demo.reset = function() {
|
||||
var _world = _engine.world;
|
||||
|
||||
World.clear(_world);
|
||||
Engine.clear(_engine);
|
||||
|
||||
// clear scene graph (if defined in controller)
|
||||
var renderController = _engine.render.controller;
|
||||
if (renderController.clear)
|
||||
renderController.clear(_engine.render);
|
||||
|
||||
if (Events) {
|
||||
|
||||
// clear all events
|
||||
Events.off(_engine);
|
||||
|
||||
// add event for deleting bodies and constraints with right mouse button
|
||||
Events.on(_engine, 'mousedown', function(event) {
|
||||
var mouse = event.mouse,
|
||||
engine = event.source,
|
||||
bodies = Composite.allBodies(engine.world),
|
||||
constraints = Composite.allConstraints(engine.world),
|
||||
i;
|
||||
|
||||
if (mouse.button === 2) {
|
||||
|
||||
// find if a body was clicked on
|
||||
for (i = 0; i < bodies.length; i++) {
|
||||
var body = bodies[i];
|
||||
if (Bounds.contains(body.bounds, mouse.position)
|
||||
&& Vertices.contains(body.vertices, mouse.position)) {
|
||||
|
||||
// remove the body that was clicked on
|
||||
Composite.remove(engine.world, body, true);
|
||||
}
|
||||
}
|
||||
|
||||
// find if a constraint anchor was clicked on
|
||||
for (i = 0; i < constraints.length; i++) {
|
||||
var constraint = constraints[i],
|
||||
bodyA = constraint.bodyA,
|
||||
bodyB = constraint.bodyB;
|
||||
|
||||
// we need to account for different types of constraint anchor
|
||||
var pointAWorld = constraint.pointA,
|
||||
pointBWorld = constraint.pointB;
|
||||
if (bodyA) pointAWorld = Vector.add(bodyA.position, constraint.pointA);
|
||||
if (bodyB) pointBWorld = Vector.add(bodyB.position, constraint.pointB);
|
||||
|
||||
// if the constraint does not have two valid anchors, skip it
|
||||
if (!pointAWorld || !pointBWorld)
|
||||
continue;
|
||||
|
||||
// find distance between mouse and anchor points
|
||||
var distA = Vector.magnitudeSquared(Vector.sub(mouse.position, pointAWorld)),
|
||||
distB = Vector.magnitudeSquared(Vector.sub(mouse.position, pointBWorld));
|
||||
|
||||
// if mouse was close, remove the constraint
|
||||
if (distA < 100 || distB < 100) {
|
||||
Composite.remove(engine.world, constraint, true);
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
_engine.enableSleeping = false;
|
||||
_engine.world.gravity.y = 1;
|
||||
|
||||
var offset = 5;
|
||||
World.add(_world, [
|
||||
Bodies.rectangle(400, -offset, 800.5 + 2 * offset, 50.5, { isStatic: true }),
|
||||
Bodies.rectangle(400, 600 + offset, 800.5 + 2 * offset, 50.5, { isStatic: true }),
|
||||
Bodies.rectangle(800 + offset, 300, 50.5, 600.5 + 2 * offset, { isStatic: true }),
|
||||
Bodies.rectangle(-offset, 300, 50.5, 600.5 + 2 * offset, { isStatic: true })
|
||||
]);
|
||||
|
||||
var renderOptions = _engine.render.options;
|
||||
renderOptions.wireframes = true;
|
||||
renderOptions.showDebug = false;
|
||||
renderOptions.showBroadphase = false;
|
||||
renderOptions.showBounds = false;
|
||||
renderOptions.showVelocity = false;
|
||||
renderOptions.showCollisions = false;
|
||||
renderOptions.showAxes = false;
|
||||
renderOptions.showPositions = false;
|
||||
renderOptions.showAngleIndicator = true;
|
||||
renderOptions.showIds = false;
|
||||
renderOptions.showShadows = false;
|
||||
renderOptions.background = '#fff';
|
||||
|
||||
if (_isMobile)
|
||||
renderOptions.showDebug = true;
|
||||
};
|
||||
|
||||
})();
|
||||
Loading…
Reference in a new issue