stk-code_catmod/data/shaders/snow.frag
vincentlj fa068d7810 OGL32CTX: Ask #version 130 for all our shaders
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14919 178a84e3-b1eb-0310-8ba1-8eac791a3b58
2014-01-05 00:08:00 +00:00

20 lines
354 B
GLSL

#version 130
uniform sampler2D tex;
uniform float time;
void main()
{
vec2 change;
change.x = abs(sin(time * gl_Color.r));
change.y = abs(cos(time * gl_Color.g));
change = smoothstep(0.0, 1.0, change) * 0.5;
vec2 tc = gl_TexCoord[0].xy;
tc = smoothstep(0.5 - change, 0.5 + change, tc);
vec4 tcol = texture2D(tex, tc);
gl_FragColor = tcol;
}