Crafty.HashMap Class

Properties

Methods

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Crafty.HashMap.constructor

public void Crafty.HashMap([cellsize])
cellsize

the cell size. If omitted, cellsize is 64.

Set cellsize. And create this.map.

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Crafty.HashMap.key()

public Object Crafty.HashMap.key(Object obj[, Object keys])
obj

an Object that has .cbr(), .mbr() or _x, _y, _w and _h.

[keys]

optional object to reuse for the saving result in

[Returns]

an object describing the region in grid cells the given object is located in - { x1: start col index, y1: start row index, x2: end col index, y2: end row index}

Get the rectangular region (in terms of the grid, with grid size cellsize), where the object may fall in. This region is determined by the object's bounding box. The cellsize is 64 by default.

See Also