istereo
diff sdr/test.p.glsl @ 22:889dade25667
added fog
author | John Tsiombikas <nuclear@mutantstargoat.com> |
---|---|
date | Wed, 07 Sep 2011 10:56:18 +0300 |
parents | b39d8607f4bb |
children |
line diff
1.1 --- a/sdr/test.p.glsl Wed Sep 07 10:49:11 2011 +0300 1.2 +++ b/sdr/test.p.glsl Wed Sep 07 10:56:18 2011 +0300 1.3 @@ -4,13 +4,19 @@ 1.4 1.5 uniform sampler2D tex; 1.6 1.7 +varying vec3 vpos; 1.8 varying vec4 var_color; 1.9 varying vec2 var_texcoord; 1.10 1.11 void main() 1.12 { 1.13 + vec4 fog_color = vec4(0.6, 0.6, 0.6, 1.0); 1.14 + 1.15 + float fog = exp(-(0.2 * -vpos.z)); 1.16 + 1.17 vec4 texel = texture2D(tex, var_texcoord); 1.18 texel.w = 1.0; 1.19 1.20 - gl_FragColor = var_color * texel; 1.21 + vec4 col = var_color * texel; 1.22 + gl_FragColor = mix(fog_color, col, fog); 1.23 }