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change constraint solve order

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liabru 2017-05-03 21:10:14 +01:00
parent a8d1950148
commit a5bd6b2d55
1 changed files with 19 additions and 1 deletions
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20
src/constraint/Constraint.js
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@ -103,9 +103,27 @@ var Common = require('../core/Common');
* @param {number} timeScale * @param {number} timeScale
*/ */
Constraint.solveAll = function(constraints, timeScale) { Constraint.solveAll = function(constraints, timeScale) {
for (var i = 0; i < constraints.length; i++) { // Solve fixed constraints first.
for (var i = 0; i < constraints.length; i += 1) {
var constraint = constraints[i],
fixedA = !constraint.bodyA || (constraint.bodyA && constraint.bodyA.isStatic),
fixedB = !constraint.bodyB || (constraint.bodyB && constraint.bodyB.isStatic);
if (fixedA || fixedB) {
Constraint.solve(constraints[i], timeScale);
}
}
// Solve free constraints last.
for (i = 0; i < constraints.length; i += 1) {
constraint = constraints[i];
fixedA = !constraint.bodyA || (constraint.bodyA && constraint.bodyA.isStatic);
fixedB = !constraint.bodyB || (constraint.bodyB && constraint.bodyB.isStatic);
if (!fixedA && !fixedB) {
Constraint.solve(constraints[i], timeScale); Constraint.solve(constraints[i], timeScale);
} }
}
}; };
/** /**