From 14833f2e5bddab2ff0ac637fe1340ade94eb88ae Mon Sep 17 00:00:00 2001 From: Vegard Storheil Eriksen Date: Fri, 21 May 2010 00:59:44 +0200 Subject: Moved resource files. --- shaders/bullet_fragment.glsl | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 shaders/bullet_fragment.glsl (limited to 'shaders/bullet_fragment.glsl') diff --git a/shaders/bullet_fragment.glsl b/shaders/bullet_fragment.glsl new file mode 100644 index 0000000..5e8becd --- /dev/null +++ b/shaders/bullet_fragment.glsl @@ -0,0 +1,15 @@ +varying mat4 v_tex_rot; +uniform sampler2D tex; + +void main() { + vec2 l_uv = gl_TexCoord[0].xy; + const vec2 l_offset = vec2(0.5, 0.5); + l_uv -= l_offset; + l_uv = vec2(v_tex_rot * vec4(l_uv, 0.0, 1.0)); + l_uv += l_offset; + gl_FragColor = texture2D(tex, l_uv); + float M = max(max(gl_FragColor.x, gl_FragColor.y), gl_FragColor.z); + float C = M - min(min(gl_FragColor.x, gl_FragColor.y), gl_FragColor.z); + float S = C > 0.0 ? C / M : 0.0; + gl_FragColor.xyz = M * mix(vec3(1.0, 1.0, 1.0), gl_Color.xyz, S); +} -- cgit v1.2.3