[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 | float3 refFactor = float3(1.1,1.3,1.5);
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| 5 | float fresOffset = 0.1;
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| 6 | float fresScale = 0.3;
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| 7 | float fresPower = 0.2;
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| 8 |
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| 9 | samplerCUBE skybox : SKYBOX;
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| 10 | string jointGeo = "cylinder.obj";
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| 11 |
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| 12 | float4 vertex(uniform float4x4 modelViewProj,
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| 13 | uniform float4x4 modelView,
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| 14 | uniform float4x4 modelViewIT,
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| 15 | float4 P : POSITION,
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| 16 | float4 N : NORMAL,
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| 17 | float2 uvIn : TEXCOORD0,
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| 18 | in float4 Cin : COLOR0,
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| 19 |
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| 20 | out float3 CC : COLOR0,
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| 21 | out float2 uv : TEXCOORD0,
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| 22 | out float3 Pcam : TEXCOORD1,
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| 23 | out float3 Ncam : TEXCOORD2) : POSITION
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| 24 | {
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| 25 | CC.xyz = normalize(N.xyz);
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| 26 | uv = uvIn;
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| 27 | Pcam = mul(modelView, P).xyz;
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| 28 | Ncam = mul(modelView, N).xyz;
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| 29 | return mul(modelViewProj, P);
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| 30 | }
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| 31 |
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| 32 | float3 toRGB(float hue)
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| 33 | {
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| 34 | float r = max(min(hue*3-2, 1), 0) + max(min(1-hue*3, 1), 0);
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| 35 | float g = max(min(hue*3-0, 1), 0) - max(min(hue*3-1, 1), 0);
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| 36 | float b = max(min(hue*3-1, 1), 0) - max(min(hue*3-2, 1), 0);
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| 37 | return float3(r,g,b);
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| 38 | }
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| 39 |
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| 40 | float3 toRGB2(float hue)
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| 41 | {
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| 42 | float b = max(min(hue*2, 1), 0) - max(min(hue*2-1, 1), 0);
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| 43 | float g = 1-b;
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| 44 | return float3(0,g,b);
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| 45 | }
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| 46 |
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| 47 | float4 rainbow( float4 col : COLOR0,
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| 48 | float3 texcoord : TEXCOORD0,
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| 49 | float3 Pcam : TEXCOORD1,
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| 50 | float3 Ncam : TEXCOORD2) : COLOR
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| 51 | {
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| 52 | float dist = sqrt(Pcam.x*Pcam.x + Pcam.y*Pcam.y + Pcam.z*Pcam.z);
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| 53 | float angle = dot(-normalize(Pcam), normalize(Ncam));
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| 54 | float factor = (cos(dist*70)+1)/2; //see stronger 'interference' effect: (1-angle)*(cos(dist*10000)+1)/2;
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| 55 | float3 c = toRGB(factor);
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| 56 | return float4(c, 1);
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| 57 | }
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| 58 |
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| 59 | technique red <string target = "both";>
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| 60 | {
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| 61 | pass p0
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| 62 | {
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| 63 | VertexProgram = compile arbvp1 vertex(mvp, mv, mvit);
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| 64 | FragmentProgram = compile arbfp1 rainbow();
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| 65 | }
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| 66 | } |
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