I will try to use animation . Frames changes every key if initial frame is changed in any one of the duplicated sprite .
But if i try to create lava or water and they need to change their animation on collision to display themselves as rock . It can't be achieved with 'set animation'. Few sprites change and others retain the color red or blue .
This c3p file shows the error on preview layout.
Also, on collision of rock the player should not die but he dies from red color. This can't be achieved with changing animation frames.