diff options
Diffstat (limited to 'Gem/examples/10.glsl/wave.frag')
-rw-r--r-- | Gem/examples/10.glsl/wave.frag | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/Gem/examples/10.glsl/wave.frag b/Gem/examples/10.glsl/wave.frag deleted file mode 100644 index d455f88..0000000 --- a/Gem/examples/10.glsl/wave.frag +++ /dev/null @@ -1,40 +0,0 @@ -// Cyrille Henry 2007 - -#extension GL_ARB_texture_rectangle : enable - -uniform float K1,K3,D1,K; -uniform sampler2DRect text; - -const float dx = 1.; -const float dy = 1.; - -void main (void) -{ - float x,y; - vec4 C; - vec2 texture1 = gl_TexCoord[0].st ; - - x=texture1.x; - y=texture1.y; - - C = texture2DRect(text, vec2(x, y)); - - vec4 color_cote = texture2DRect(text, vec2(x-dx, y-dy)); - color_cote += texture2DRect(text, vec2(x+dx, y-dy)); - color_cote += texture2DRect(text, vec2(x-dx, y+dy)); - color_cote += texture2DRect(text, vec2(x+dx, y+dy)); - color_cote += texture2DRect(text, vec2(x, y-dy)); - color_cote += texture2DRect(text, vec2(x-dx, y)); - color_cote += texture2DRect(text, vec2(x+dx, y)); - color_cote += texture2DRect(text, vec2(x, y+dy)); - - - float K = K1 * color_cote.r + K3 * 0.5 - (8. * K1 + K3) * C.r; - float D = D1 * (C.r - C.g); - - C.b = C.g; - C.g = C.r; - C.r = (2.* C.g) - C.b + K - D ; - - gl_FragColor = vec4(C.rgb,1.); -} |