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1 | struct VertexOut
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2 | {
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3 | float4 VertexPosition :POSITION;
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4 | float Z :TEXCOORD;
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5 |
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6 | };
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7 |
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8 |
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9 | /*
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10 | Vertex program for cloud rendering
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11 | */
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12 | VertexOut VertexProgram( float4 Position :POSITION,
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13 | uniform float4x4 ModelViewProj :state.matrix.mvp,
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14 | uniform float4x4 ModelViewMatrix:state.matrix.modelview
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15 | )
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16 | {
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17 | VertexOut Out;
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18 |
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19 | float4 p=mul(ModelViewProj,Position);
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20 | Out.VertexPosition=p;
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21 | float4 CamPos=mul(ModelViewMatrix,Position);
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22 | Out.Z=CamPos.z;
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23 |
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24 | return Out;
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25 | }
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26 |
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27 | /*
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28 | Fragment program for cloud rendering
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29 | */
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30 | float4 FragmentProgram( VertexOut In,
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31 | uniform samplerRECT Texture
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32 | ):COLOR
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33 | {
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34 | //float4 Color=float4(1,0,0,1);
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35 | float4 Color=float4(0,0,0,1);
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36 | Color=float4(In.Z,In.Z,In.Z,1);
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37 | return Color;
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38 | }
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39 |
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40 |
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