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Merged new pointAWorld and pointBWorld functions

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Richard Davey 2019-12-10 12:01:58 +00:00
parent 257c00228b
commit dc127081eb
1 changed files with 26 additions and 0 deletions
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26
src/physics/matter-js/lib/constraint/Constraint.js
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@ -304,6 +304,32 @@ var Common = require('../core/Common');
}
};
/**
* Returns the world-space position of `constraint.pointA`, accounting for `constraint.bodyA`.
* @method pointAWorld
* @param {constraint} constraint
* @returns {vector} the world-space position
*/
Constraint.pointAWorld = function(constraint) {
return {
x: (constraint.bodyA ? constraint.bodyA.position.x : 0) + constraint.pointA.x,
y: (constraint.bodyA ? constraint.bodyA.position.y : 0) + constraint.pointA.y
};
};
/**
* Returns the world-space position of `constraint.pointB`, accounting for `constraint.bodyB`.
* @method pointBWorld
* @param {constraint} constraint
* @returns {vector} the world-space position
*/
Constraint.pointBWorld = function(constraint) {
return {
x: (constraint.bodyB ? constraint.bodyB.position.x : 0) + constraint.pointB.x,
y: (constraint.bodyB ? constraint.bodyB.position.y : 0) + constraint.pointB.y
};
};
/*
*
* Properties Documentation