[1336] | 1 |
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| 2 | struct VS_OUT
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| 3 | {
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[1339] | 4 | float4 hPosition : POSITION;
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| 5 | float4 cPosition : TEXCOORD1;
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| 6 | float2 texCoord : TEXCOORD0;
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| 7 | float r : TEXCOORD2;
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| 8 | float4 center : TEXCOORD3;
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[1424] | 9 | float4 Color : TEXCOORD4;
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[1336] | 10 | };
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| 11 |
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[1339] | 12 | VS_OUT HPS_Smoke_S_VS (float4 position : POSITION,
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| 13 | float4 texCoord : TEXCOORD0,
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[1424] | 14 | float4 Color: COLOR0,
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[1339] | 15 | uniform float4x4 worldView,
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| 16 | uniform float4x4 Proj,
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| 17 | uniform float4x4 worldViewProj)
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[1336] | 18 | {
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[1339] | 19 | VS_OUT OUT;
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| 20 |
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| 21 | float2 offset = texCoord.zw;
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| 22 | float4 cPosition;
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| 23 | cPosition = mul(worldView, position);
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| 24 | OUT.center = cPosition;
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| 25 | cPosition.xy += offset;
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| 26 | OUT.cPosition = cPosition;
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| 27 | OUT.r = abs(texCoord.z);
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[1336] | 28 |
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[1339] | 29 | OUT.hPosition = mul( Proj, cPosition );
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| 30 |
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[1424] | 31 | OUT.texCoord = texCoord.xy;
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| 32 | OUT.Color = Color;
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[1339] | 33 | return OUT;
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| 34 | }
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[1336] | 35 |
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[1339] | 36 |
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| 37 | float4 HPS_Smoke_S_PS(VS_OUT IN,
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| 38 | uniform float4x4 Proj,
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| 39 | uniform sampler2D Texture ) : COLOR
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[1336] | 40 | {
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[1339] | 41 | float4 Color = 0;
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| 42 | float f = 0;
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| 43 | float b = 1;
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| 44 | float alpha = 0;
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| 45 |
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[1424] | 46 | float d = length( IN.cPosition.xy- IN.center.xy);
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[1336] | 47 |
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[1339] | 48 | if( d < IN.r )
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| 49 | {
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| 50 | float w = sqrt( IN.r * IN.r - d * d );
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| 51 | float4 fPosition = IN.cPosition;
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| 52 | float4 bPosition = IN.cPosition;
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| 53 | fPosition.z -= w;
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| 54 | bPosition.z += w;
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| 55 | fPosition = mul(Proj, fPosition);
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| 56 | bPosition = mul(Proj, bPosition);
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[1424] | 57 | f = fPosition.z / fPosition.w;
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| 58 | b = bPosition.z / bPosition.w;
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[1355] | 59 |
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[1451] | 60 | // alpha = pow(w / IN.r, 4);
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[1336] | 61 | }
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[1339] | 62 | else
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| 63 | discard;
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[1336] | 64 |
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[1355] | 65 | Color.r = b;
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| 66 | Color.g = 1 - f;
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[1451] | 67 |
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| 68 | alpha = 1;
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[1424] | 69 | Color.a = alpha * IN.Color.a;
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[1446] | 70 | Color.a *= tex2D(Texture, IN.texCoord).r * 0.7;
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[1339] | 71 |
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| 72 |
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| 73 | return Color;
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[1336] | 74 | }
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