[65] | 1 | float4x4 mvp : ModelViewProjection;
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| 2 | float4x4 mv : ModelView;
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| 3 | float4x4 mvit : ModelViewIT;
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| 4 |
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| 5 | samplerCUBE skybox : SKYBOX;
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| 6 |
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| 7 | sampler2D amberTex <string fileName = "amber.jpg";> = sampler_state {
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| 8 | minFilter = Linear;
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| 9 | magFilter = Linear;
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| 10 | wrapS = Repeat;
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| 11 | wrapT = Repeat;
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| 12 | };
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| 13 |
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| 14 | float4 vertex(uniform float4x4 modelViewProj,
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| 15 | uniform float4x4 modelView,
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| 16 | uniform float4x4 modelViewIT,
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| 17 | float4 P : POSITION,
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| 18 | float4 N : NORMAL,
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| 19 | float2 uvIn : TEXCOORD0,
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| 20 | in float4 Cin : COLOR0,
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| 21 | out float4 CC : COLOR0,
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| 22 | out float3 Pcam : TEXCOORD1,
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| 23 | out float3 Ncam : TEXCOORD2,
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| 24 | out float2 uv : TEXCOORD0) : POSITION
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| 25 | {
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| 26 | CC.xyz = normalize(N.xyz);
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| 27 | Pcam = mul(modelView, P).xyz;
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| 28 | float3x3 rotation = (float3x3)modelView;
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| 29 | Ncam.xyz = mul(rotation,N.xyz);
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| 30 | uv = uvIn;
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| 31 | return mul(modelViewProj, P);
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| 32 | }
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| 33 |
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| 34 |
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| 35 | float4 light(in float3 texcoord,
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| 36 | float3 Pcam : TEXCOORD1,
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| 37 | float3 Ncam : TEXCOORD2) : COLOR
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| 38 | {
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| 39 | float3 Nn = normalize(Ncam);
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| 40 |
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| 41 | // Reflection and refraction.
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| 42 | float3 refl = reflect(Pcam,Nn);
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| 43 | float3 refrRed = refract(Pcam,Nn, 1.3);
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| 44 | float3 refrYellow = refract(Pcam,Nn,1.5);
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| 45 |
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| 46 | float3 reflCol = texCUBE(skybox,refl).rgb;
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| 47 | reflCol.b = 0;
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| 48 |
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| 49 | float3 refrRedCol;
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| 50 | refrRedCol.r = texCUBE(skybox,refrRed).r;
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| 51 |
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| 52 | float3 refrYellowCol;
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| 53 | refrYellowCol.r = texCUBE(skybox,refrYellow).r;
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| 54 | refrYellowCol.g = texCUBE(skybox,refrYellow).g;
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| 55 |
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| 56 | float3 refCol = (reflCol + refrRedCol + refrYellowCol) / 3.0;
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| 57 |
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| 58 | // Amber Texture:
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| 59 | float3 amberCol = tex2D(amberTex, texcoord);
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| 60 |
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| 61 | // Random factor:
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| 62 | float3 randomCol = normalize(Pcam);
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| 63 | randomCol.b *= .25;
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| 64 |
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| 65 | float3 finalCol = (5.0 * refCol + 5.0 * amberCol + 0.0 * randomCol) / 10.0;
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| 66 | return float4(finalCol, 1);
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| 67 | }
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| 68 |
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| 69 | technique red <string target = "both";>
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| 70 | {
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| 71 | pass p0
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| 72 | {
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| 73 | VertexProgram = compile arbvp1 vertex(mvp, mv, mvit);
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| 74 | FragmentProgram = compile arbfp1 light();
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| 75 | }
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| 76 | } |
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