GF TURBO MODE
Lévy dragon IFS described is a function of the IFS Group of 2 affine transformations with a probability of 0.5 f1(x,y)=(0.5x-0.5y;0.5x+0.5y) f2(x,y)=(0.5x+0.5y+0.5;-0.5x+0.5y+0.5) Color: random from the absolute value of coordinate x to the absolute value of the coordinate y.