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added Constraint.pointAWorld and Constraint.pointBWorld

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liabru 2019-09-14 19:03:17 +01:00
parent 94e9614436
commit 3c32969da2
1 changed files with 26 additions and 0 deletions
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26
src/constraint/Constraint.js
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@ -300,6 +300,32 @@ 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