Matter.Detector
The Matter.Detector module contains methods for efficiently detecting collisions between a list of bodies using a broadphase algorithm.
Methods
Matter.Detector._sortCompare
The comparison function used in the broadphase algorithm. Returns the signed delta of the bodies bounds on the x-axis.
Returns
The signed delta used for sorting
Matter.Detector.canCollide
Returns true if both supplied collision filters will allow a collision to occur.
See body.collisionFilter for more information.
Returns
true if collision can occur
Matter.Detector.clear
Clears the detector including its list of bodies.
Parameters
-
detectorDetector
Matter.Detector.collisions
Efficiently finds all collisions among all the bodies in detector.bodies using a broadphase algorithm.
Note: The specific ordering of collisions returned is not guaranteed between releases and may change for performance reasons. If a specific ordering is required then apply a sort to the resulting array.
Parameters
-
detectorDetector
Returns
collisions
Properties / Options
The following properties are specified for objects created by Matter.Detector.create and may be passed to it as options.
The array of Matter.Body between which the detector finds collisions.
Note: The order of bodies in this array is not fixed and will be continually managed by the detector.
Default: []
Optional. A Matter.Pairs object from which previous collision objects may be reused. Intended for internal Matter.Engine usage.
Default: null