retrieve(source) → {array} Return all objects that could collide with the given Sprite or Rectangle

reset(x, y, width, height, maxObjects, maxLevels, level)

getIndex(rect) → {number} Determine which node the object belongs to. Parameters

level : number The current level. Source code:

new QuadTree(x, y, width, height, maxObjects, maxLevels, level)

bounds : Object Object that contains the quadtree bounds. Source code:

maxLevels : number The maximum number of levels to break down to. Default

maxObjects : number The maximum number of objects per node. Default Value

split() Split the node into 4 subnodes Source code:

populate(group) Populates this quadtree with the children of the given Group. In order to be added the child must exist and have a body