diff options
author | James Canete <use.less01@gmail.com> | 2012-12-04 01:56:52 +0000 |
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committer | Tim Angus <tim@ngus.net> | 2013-01-12 21:24:53 +0000 |
commit | 8cb69adad0915fc5de6dc87db1ae28aba44d350e (patch) | |
tree | 7db5db21b83edf73c901c4e6eae884037407adde /src/rend2/glsl/dlight_vp.glsl | |
parent | 815a7ae53be78f1f7108dbf086b2928d3017bbe4 (diff) |
#5808 - Include and use .glsl in source (rend2)
Diffstat (limited to 'src/rend2/glsl/dlight_vp.glsl')
-rw-r--r-- | src/rend2/glsl/dlight_vp.glsl | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/rend2/glsl/dlight_vp.glsl b/src/rend2/glsl/dlight_vp.glsl new file mode 100644 index 00000000..d9fd71d0 --- /dev/null +++ b/src/rend2/glsl/dlight_vp.glsl @@ -0,0 +1,92 @@ +attribute vec4 attr_Position; +attribute vec4 attr_TexCoord0; +attribute vec3 attr_Normal; + +uniform vec4 u_DlightInfo; + +#if defined(USE_DEFORM_VERTEXES) +uniform int u_DeformGen; +uniform float u_DeformParams[5]; +uniform float u_Time; +#endif + +uniform vec4 u_Color; +uniform mat4 u_ModelViewProjectionMatrix; + +varying vec2 var_Tex1; +varying vec4 var_Color; + +#if defined(USE_DEFORM_VERTEXES) +vec3 DeformPosition(const vec3 pos, const vec3 normal, const vec2 st) +{ + if (u_DeformGen == 0) + { + return pos; + } + + float base = u_DeformParams[0]; + float amplitude = u_DeformParams[1]; + float phase = u_DeformParams[2]; + float frequency = u_DeformParams[3]; + float spread = u_DeformParams[4]; + + if (u_DeformGen == DGEN_BULGE) + { + phase *= M_PI * 0.25 * st.x; + } + else // if (u_DeformGen <= DGEN_WAVE_INVERSE_SAWTOOTH) + { + phase += dot(pos.xyz, vec3(spread)); + } + + float value = phase + (u_Time * frequency); + float func; + + if (u_DeformGen == DGEN_WAVE_SIN) + { + func = sin(value * 2.0 * M_PI); + } + else if (u_DeformGen == DGEN_WAVE_SQUARE) + { + func = sign(sin(value * 2.0 * M_PI)); + } + else if (u_DeformGen == DGEN_WAVE_TRIANGLE) + { + func = abs(fract(value + 0.75) - 0.5) * 4.0 - 1.0; + } + else if (u_DeformGen == DGEN_WAVE_SAWTOOTH) + { + func = fract(value); + } + else if (u_DeformGen == DGEN_WAVE_INVERSE_SAWTOOTH) + { + func = (1.0 - fract(value)); + } + else if (u_DeformGen == DGEN_BULGE) + { + func = sin(value); + } + + return pos + normal * (base + func * amplitude); +} +#endif + +void main() +{ + vec4 position = attr_Position; + vec3 normal = attr_Normal; + +#if defined(USE_DEFORM_VERTEXES) + position.xyz = DeformPosition(position.xyz, normal, attr_TexCoord0.st); +#endif + + gl_Position = u_ModelViewProjectionMatrix * position; + + vec3 dist = u_DlightInfo.xyz - position.xyz; + + var_Tex1 = dist.xy * u_DlightInfo.a + vec2(0.5); + float dlightmod = step(0.0, dot(dist, normal)); + dlightmod *= clamp(2.0 * (1.0 - abs(dist.z) * u_DlightInfo.a), 0.0, 1.0); + + var_Color = u_Color * dlightmod; +} |