"vec2 d = vec2(world.x - uCenter.x, world.y - uCenter.y);\n"
"float dist = length(d);\n"
"float amplitude = cos(uTime - dist*waveLength);\n"
"vec2 d = vec2(world.x - uCenter.x, world.y - uCenter.y);\n"
"float dist = length(d);\n"
"float amplitude = cos(uTime - dist*waveLength);\n"