gzdoom-gles/wadsrc/static/shaders_gles/glsl/func_wavex.fp

17 lines
244 B
GLSL

vec2 GetTexCoord()
{
vec2 texCoord = vTexCoord.st;
const float pi = 3.14159265358979323846;
texCoord.x += sin(pi * 2.0 * (texCoord.y + timer * 0.125)) * 0.1;
return texCoord;
}
vec4 ProcessTexel()
{
return getTexel(GetTexCoord());
}