//make a field and fill it var f = Stackie. makeField ( 256 , 256 ); f. generate (Stackie. program ( " x8*y8*p1+2/x2*y2*p+x28**y28**p4/+112/x-d*-112/y-d*-*d*d*d*d** " )); var smoke = f. getImageData (); //shorthand approach. Just give me the ImageData. var flame = Stackie. generate ( " x1x-*5*dx4**y3*p+y!- " , " xy!1+* " ); canvas_ctx. putImageData (image, 0 , 0 );