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Code Issues Wiki Activity

moved all private functions to module namespaces

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liabru 2017-11-26 21:59:06 +00:00
parent 2dc7a0bf5e
commit 64be5a5e3e
8 changed files with 42 additions and 42 deletions
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4
src/body/Body.js
View file

@ -399,7 +399,7 @@ var Axes = require('../geometry/Axes');
}
// sum the properties of all compound parts of the parent body
var total = _totalProperties(body);
var total = Body._totalProperties(body);
body.area = total.area;
body.parent = body;
@ -658,7 +658,7 @@ var Axes = require('../geometry/Axes');
* @param {body} body
* @return {}
*/
var _totalProperties = function(body) {
Body._totalProperties = function(body) {
// from equations at:
// https://ecourses.ou.edu/cgi-bin/ebook.cgi?doc=&topic=st&chap_sec=07.2&page=theory
// http://output.to/sideway/default.asp?qno=121100087

34
src/collision/Grid.js
View file

@ -82,7 +82,7 @@ var Common = require('../core/Common');
|| body.bounds.max.y < world.bounds.min.y || body.bounds.min.y > world.bounds.max.y)
continue;
var newRegion = _getRegion(grid, body);
var newRegion = Grid._getRegion(grid, body);
// if the body has changed grid region
if (!body.region || newRegion.id !== body.region.id || forceUpdate) {
@ -94,13 +94,13 @@ var Common = require('../core/Common');
if (!body.region || forceUpdate)
body.region = newRegion;
var union = _regionUnion(newRegion, body.region);
var union = Grid._regionUnion(newRegion, body.region);
// update grid buckets affected by region change
// iterate over the union of both regions
for (col = union.startCol; col <= union.endCol; col++) {
for (row = union.startRow; row <= union.endRow; row++) {
bucketId = _getBucketId(col, row);
bucketId = Grid._getBucketId(col, row);
bucket = buckets[bucketId];
var isInsideNewRegion = (col >= newRegion.startCol && col <= newRegion.endCol
@ -113,15 +113,15 @@ var Common = require('../core/Common');
if (!isInsideNewRegion && isInsideOldRegion) {
if (isInsideOldRegion) {
if (bucket)
_bucketRemoveBody(grid, bucket, body);
Grid._bucketRemoveBody(grid, bucket, body);
}
}
// add to new region buckets
if (body.region === newRegion || (isInsideNewRegion && !isInsideOldRegion) || forceUpdate) {
if (!bucket)
bucket = _createBucket(buckets, bucketId);
_bucketAddBody(grid, bucket, body);
bucket = Grid._createBucket(buckets, bucketId);
Grid._bucketAddBody(grid, bucket, body);
}
}
}
@ -136,7 +136,7 @@ var Common = require('../core/Common');
// update pairs list only if pairs changed (i.e. a body changed region)
if (gridChanged)
grid.pairsList = _createActivePairsList(grid);
grid.pairsList = Grid._createActivePairsList(grid);
};
/**
@ -158,13 +158,13 @@ var Common = require('../core/Common');
* @param {} regionB
* @return {} region
*/
var _regionUnion = function(regionA, regionB) {
Grid._regionUnion = function(regionA, regionB) {
var startCol = Math.min(regionA.startCol, regionB.startCol),
endCol = Math.max(regionA.endCol, regionB.endCol),
startRow = Math.min(regionA.startRow, regionB.startRow),
endRow = Math.max(regionA.endRow, regionB.endRow);
return _createRegion(startCol, endCol, startRow, endRow);
return Grid._createRegion(startCol, endCol, startRow, endRow);
};
/**
@ -175,14 +175,14 @@ var Common = require('../core/Common');
* @param {} body
* @return {} region
*/
var _getRegion = function(grid, body) {
Grid._getRegion = function(grid, body) {
var bounds = body.bounds,
startCol = Math.floor(bounds.min.x / grid.bucketWidth),
endCol = Math.floor(bounds.max.x / grid.bucketWidth),
startRow = Math.floor(bounds.min.y / grid.bucketHeight),
endRow = Math.floor(bounds.max.y / grid.bucketHeight);
return _createRegion(startCol, endCol, startRow, endRow);
return Grid._createRegion(startCol, endCol, startRow, endRow);
};
/**
@ -195,7 +195,7 @@ var Common = require('../core/Common');
* @param {} endRow
* @return {} region
*/
var _createRegion = function(startCol, endCol, startRow, endRow) {
Grid._createRegion = function(startCol, endCol, startRow, endRow) {
return {
id: startCol + ',' + endCol + ',' + startRow + ',' + endRow,
startCol: startCol,
@ -213,7 +213,7 @@ var Common = require('../core/Common');
* @param {} row
* @return {string} bucket id
*/
var _getBucketId = function(column, row) {
Grid._getBucketId = function(column, row) {
return 'C' + column + 'R' + row;
};
@ -225,7 +225,7 @@ var Common = require('../core/Common');
* @param {} bucketId
* @return {} bucket
*/
var _createBucket = function(buckets, bucketId) {
Grid._createBucket = function(buckets, bucketId) {
var bucket = buckets[bucketId] = [];
return bucket;
};
@ -238,7 +238,7 @@ var Common = require('../core/Common');
* @param {} bucket
* @param {} body
*/
var _bucketAddBody = function(grid, bucket, body) {
Grid._bucketAddBody = function(grid, bucket, body) {
// add new pairs
for (var i = 0; i < bucket.length; i++) {
var bodyB = bucket[i];
@ -270,7 +270,7 @@ var Common = require('../core/Common');
* @param {} bucket
* @param {} body
*/
var _bucketRemoveBody = function(grid, bucket, body) {
Grid._bucketRemoveBody = function(grid, bucket, body) {
// remove from bucket
bucket.splice(Common.indexOf(bucket, body), 1);
@ -294,7 +294,7 @@ var Common = require('../core/Common');
* @param {} grid
* @return [] pairs
*/
var _createActivePairsList = function(grid) {
Grid._createActivePairsList = function(grid) {
var pairKeys,
pair,
pairs = [];

4
src/collision/Pairs.js
View file

@ -13,7 +13,7 @@ var Common = require('../core/Common');
(function() {
var _pairMaxIdleLife = 1000;
Pairs._pairMaxIdleLife = 1000;
/**
* Creates a new pairs structure.
@ -124,7 +124,7 @@ var Common = require('../core/Common');
}
// if pair is inactive for too long, mark it to be removed
if (timestamp - pair.timeUpdated > _pairMaxIdleLife) {
if (timestamp - pair.timeUpdated > Pairs._pairMaxIdleLife) {
indexesToRemove.push(i);
}
}

20
src/collision/SAT.js
View file

@ -54,7 +54,7 @@ var Vector = require('../geometry/Vector');
axisBodyB = axisBodyA === bodyA ? bodyB : bodyA,
axes = [axisBodyA.axes[previousCollision.axisNumber]];
minOverlap = _overlapAxes(axisBodyA.vertices, axisBodyB.vertices, axes);
minOverlap = SAT._overlapAxes(axisBodyA.vertices, axisBodyB.vertices, axes);
collision.reused = true;
if (minOverlap.overlap <= 0) {
@ -64,14 +64,14 @@ var Vector = require('../geometry/Vector');
} else {
// if we can't reuse a result, perform a full SAT test
overlapAB = _overlapAxes(bodyA.vertices, bodyB.vertices, bodyA.axes);
overlapAB = SAT._overlapAxes(bodyA.vertices, bodyB.vertices, bodyA.axes);
if (overlapAB.overlap <= 0) {
collision.collided = false;
return collision;
}
overlapBA = _overlapAxes(bodyB.vertices, bodyA.vertices, bodyB.axes);
overlapBA = SAT._overlapAxes(bodyB.vertices, bodyA.vertices, bodyB.axes);
if (overlapBA.overlap <= 0) {
collision.collided = false;
@ -120,7 +120,7 @@ var Vector = require('../geometry/Vector');
collision.penetration.y = collision.normal.y * collision.depth;
// find support points, there is always either exactly one or two
var verticesB = _findSupports(bodyA, bodyB, collision.normal),
var verticesB = SAT._findSupports(bodyA, bodyB, collision.normal),
supports = [];
// find the supports from bodyB that are inside bodyA
@ -132,7 +132,7 @@ var Vector = require('../geometry/Vector');
// find the supports from bodyA that are inside bodyB
if (supports.length < 2) {
var verticesA = _findSupports(bodyB, bodyA, Vector.neg(collision.normal));
var verticesA = SAT._findSupports(bodyB, bodyA, Vector.neg(collision.normal));
if (Vertices.contains(bodyB.vertices, verticesA[0]))
supports.push(verticesA[0]);
@ -159,7 +159,7 @@ var Vector = require('../geometry/Vector');
* @param {} axes
* @return result
*/
var _overlapAxes = function(verticesA, verticesB, axes) {
SAT._overlapAxes = function(verticesA, verticesB, axes) {
var projectionA = Vector._temp[0],
projectionB = Vector._temp[1],
result = { overlap: Number.MAX_VALUE },
@ -169,8 +169,8 @@ var Vector = require('../geometry/Vector');
for (var i = 0; i < axes.length; i++) {
axis = axes[i];
_projectToAxis(projectionA, verticesA, axis);
_projectToAxis(projectionB, verticesB, axis);
SAT._projectToAxis(projectionA, verticesA, axis);
SAT._projectToAxis(projectionB, verticesB, axis);
overlap = Math.min(projectionA.max - projectionB.min, projectionB.max - projectionA.min);
@ -197,7 +197,7 @@ var Vector = require('../geometry/Vector');
* @param {} vertices
* @param {} axis
*/
var _projectToAxis = function(projection, vertices, axis) {
SAT._projectToAxis = function(projection, vertices, axis) {
var min = Vector.dot(vertices[0], axis),
max = min;
@ -224,7 +224,7 @@ var Vector = require('../geometry/Vector');
* @param {} normal
* @return [vector]
*/
var _findSupports = function(bodyA, bodyB, normal) {
SAT._findSupports = function(bodyA, bodyB, normal) {
var nearestDistance = Number.MAX_VALUE,
vertexToBody = Vector._temp[0],
vertices = bodyB.vertices,

4
src/constraint/MouseConstraint.js
View file

@ -77,7 +77,7 @@ var Bounds = require('../geometry/Bounds');
Events.on(engine, 'beforeUpdate', function() {
var allBodies = Composite.allBodies(engine.world);
MouseConstraint.update(mouseConstraint, allBodies);
_triggerEvents(mouseConstraint);
MouseConstraint._triggerEvents(mouseConstraint);
});
return mouseConstraint;
@ -136,7 +136,7 @@ var Bounds = require('../geometry/Bounds');
* @private
* @param {mouse} mouseConstraint
*/
var _triggerEvents = function(mouseConstraint) {
MouseConstraint._triggerEvents = function(mouseConstraint) {
var mouse = mouseConstraint.mouse,
mouseEvents = mouse.sourceEvents;

6
src/core/Common.js
View file

@ -424,14 +424,14 @@ module.exports = Common;
for (var node in graph) {
if (!visited[node] && !temp[node]) {
_topologicalSort(node, visited, temp, graph, result);
Common._topologicalSort(node, visited, temp, graph, result);
}
}
return result;
};
var _topologicalSort = function(node, visited, temp, graph, result) {
Common._topologicalSort = function(node, visited, temp, graph, result) {
var neighbors = graph[node] || [];
temp[node] = true;
@ -444,7 +444,7 @@ module.exports = Common;
}
if (!visited[neighbor]) {
_topologicalSort(neighbor, visited, temp, graph, result);
Common._topologicalSort(neighbor, visited, temp, graph, result);
}
}

8
src/core/Mouse.js
View file

@ -44,7 +44,7 @@ var Common = require('../core/Common');
};
mouse.mousemove = function(event) {
var position = _getRelativeMousePosition(event, mouse.element, mouse.pixelRatio),
var position = Mouse._getRelativeMousePosition(event, mouse.element, mouse.pixelRatio),
touches = event.changedTouches;
if (touches) {
@ -60,7 +60,7 @@ var Common = require('../core/Common');
};
mouse.mousedown = function(event) {
var position = _getRelativeMousePosition(event, mouse.element, mouse.pixelRatio),
var position = Mouse._getRelativeMousePosition(event, mouse.element, mouse.pixelRatio),
touches = event.changedTouches;
if (touches) {
@ -80,7 +80,7 @@ var Common = require('../core/Common');
};
mouse.mouseup = function(event) {
var position = _getRelativeMousePosition(event, mouse.element, mouse.pixelRatio),
var position = Mouse._getRelativeMousePosition(event, mouse.element, mouse.pixelRatio),
touches = event.changedTouches;
if (touches) {
@ -176,7 +176,7 @@ var Common = require('../core/Common');
* @param {number} pixelRatio
* @return {}
*/
var _getRelativeMousePosition = function(event, element, pixelRatio) {
Mouse._getRelativeMousePosition = function(event, element, pixelRatio) {
var elementBounds = element.getBoundingClientRect(),
rootNode = (document.documentElement || document.body.parentNode || document.body),
scrollX = (window.pageXOffset !== undefined) ? window.pageXOffset : rootNode.scrollLeft,

4
src/geometry/Svg.js
View file

@ -97,7 +97,7 @@ var Bounds = require('../geometry/Bounds');
};
// ensure path is absolute
_svgPathToAbsolute(path);
Svg._svgPathToAbsolute(path);
// get total length
total = path.getTotalLength();
@ -149,7 +149,7 @@ var Bounds = require('../geometry/Bounds');
return points;
};
var _svgPathToAbsolute = function(path) {
Svg._svgPathToAbsolute = function(path) {
// http://phrogz.net/convert-svg-path-to-all-absolute-commands
// Copyright (c) Gavin Kistner
// http://phrogz.net/js/_ReuseLicense.txt