$input v_texcoord0 /* * Copyright 2011-2015 Branimir Karadzic. All rights reserved. * License: http://www.opensource.org/licenses/BSD-2-Clause */ #include "../common/common.sh" SAMPLER3D(u_texColor, 0); uniform float u_time; void main() { vec3 uvw = vec3(v_texcoord0.xy*0.5+0.5, sin(u_time)*0.5+0.5); gl_FragColor = vec4_splat(texture3D(u_texColor, uvw).x); }