63 lines
1.2 KiB
Plaintext
63 lines
1.2 KiB
Plaintext
// tilemap2d.cm - Tilemap factory
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//
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// Creates tilemap data objects that register with film2d
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var film2d = use('film2d')
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var tilemap = {
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type: 'tilemap',
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at: function(pos) {
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var x = pos.x - this.offset_x
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var y = pos.y - this.offset_y
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if (!this.tiles[x]) return null
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return this.tiles[x][y]
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},
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set: function(pos, image) {
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var x = pos.x - this.offset_x
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var y = pos.y - this.offset_y
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while (this.tiles.length <= x)
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this.tiles.push([])
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while (this.tiles[x].length <= y)
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this.tiles[x].push(null)
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this.tiles[x][y] = image
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},
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clear: function() {
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this.tiles = []
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},
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destroy: function() {
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film2d.unregister(this._id)
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}
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}
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//stone(tilemap)
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// Factory function - auto-registers with film2d
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return function(props) {
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var defaults = {
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type: 'tilemap',
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tiles: [],
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offset_x: 0,
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offset_y: 0,
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plane: 'default',
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layer: 0,
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groups: [],
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tile_width: 1,
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tile_height: 1
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}
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var data = {}
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for(var k in defaults) data[k] = defaults[k]
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for(var k in props) data[k] = props[k]
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var newtilemap = meme(tilemap, data)
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film2d.register(newtilemap)
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return newtilemap
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}
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