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ball

Arguments:

• _size>0, _R,_G,_B,_ambient>=0,_diffuse>=0,_specular>=0,_shininess>=0,_light_x,_light_y,_light_z

Description:

Input a 2D RGBA colored ball sprite, rendered using the Phong illumination model.

Default values:

size=64, R=200, G=R, B=R, ambient=0.25, diffuse=1, specular=1, shininess=20, light_x=1.5, light_y=-1.5 and light_z=1.

Example of use:

Command: repeat 9 { ball {int(1.5^($>+4))},${-rgb} } append_tiles 3,3