extract(destination, r, g, b, a, resize, r2, g2, b2) → {Phaser.BitmapData}
Scans this BitmapData for all pixels matching the given r,g,b values and then draws them into the given destination BitmapData.The original BitmapData remains unchanged.The destination BitmapData must be large enough to receive all of the pixels that are scanned unless the 'resize' parameter is true.Although the destination BitmapData is returned from this method, it's actually modified directly in place, meaning this