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added MouseConstraint.create warning for omitted element

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liabru 2015-01-21 00:10:39 +00:00
parent af83e27ff0
commit b6603ca290
1 changed files with 8 additions and 1 deletions
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9
src/constraint/MouseConstraint.js
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@ -22,7 +22,14 @@ var MouseConstraint = {};
* @return {MouseConstraint} A new MouseConstraint
*/
MouseConstraint.create = function(engine, options) {
var mouse = (options && options.mouse) || Mouse.create(engine.render.canvas);
var mouse = (engine ? engine.mouse : null) || (options ? options.mouse : null);
if (!mouse && engine && engine.render && engine.render.canvas) {
mouse = Mouse.create(engine.render.canvas);
} else {
mouse = Mouse.create();
Common.log('MouseConstraint.create: options.mouse was undefined, engine.render.canvas was undefined, may not function as expected', 'warn');
}
var constraint = Constraint.create({
label: 'Mouse Constraint',