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

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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());
}