[852] | 1 | struct VertexOut
|
---|
| 2 | {
|
---|
| 3 | float4 VertexPosition :POSITION;
|
---|
| 4 | float2 TexCoord :TEXCOORD;
|
---|
| 5 | float4 Color1 :COLOR;
|
---|
| 6 | };
|
---|
| 7 |
|
---|
| 8 |
|
---|
| 9 | /*
|
---|
| 10 | Vertex program for displaying particle system with rectangle rendertexture
|
---|
| 11 | */
|
---|
| 12 | VertexOut VertexProgram( float4 Position :POSITION,
|
---|
| 13 | float4 Texcoord: TEXCOORD,
|
---|
| 14 | uniform float transparency,
|
---|
| 15 | uniform float4x4 ModelViewProj :state.matrix.mvp
|
---|
| 16 | )
|
---|
| 17 | {
|
---|
| 18 | VertexOut Out;
|
---|
| 19 |
|
---|
| 20 | Out.VertexPosition=mul(ModelViewProj, Position);
|
---|
| 21 | Out.TexCoord=Texcoord.xy;
|
---|
| 22 |
|
---|
| 23 | Out.Color1=float4(transparency,transparency,transparency,transparency);
|
---|
| 24 |
|
---|
| 25 |
|
---|
| 26 | float z=(Out.VertexPosition.z/Out.VertexPosition.w+1)/2;
|
---|
| 27 |
|
---|
| 28 | float4 planes=float4(0.33,0.5,0.66,1);
|
---|
| 29 | if(z>planes.x)
|
---|
| 30 | {
|
---|
| 31 | Out.Color1.r=0;
|
---|
| 32 | }
|
---|
| 33 | if(z>planes.y)
|
---|
| 34 | {
|
---|
| 35 | Out.Color1.g=0;
|
---|
| 36 | }
|
---|
| 37 | if(z>planes.z)
|
---|
| 38 | {
|
---|
| 39 | Out.Color1.b=0;
|
---|
| 40 | }
|
---|
| 41 |
|
---|
| 42 | return Out;
|
---|
| 43 | }
|
---|
| 44 |
|
---|
| 45 |
|
---|
| 46 | /*
|
---|
| 47 | Fragment program for displaying particle system with rectangle rendertexture
|
---|
| 48 | */
|
---|
| 49 | void FragmentProgram( VertexOut In,
|
---|
| 50 | uniform sampler2D Texture,
|
---|
| 51 | uniform samplerRECT PhaseTexture,
|
---|
| 52 | uniform float Albedo,
|
---|
| 53 | uniform float Symmetry,
|
---|
| 54 | out float4 Color:COLOR
|
---|
| 55 | )
|
---|
| 56 | {
|
---|
| 57 |
|
---|
| 58 | float4 extintion=tex2D(Texture,In.TexCoord).r*In.Color1;
|
---|
| 59 | float scattered=Albedo*texRECT(PhaseTexture,float2(Symmetry,1)*256)/1.5;
|
---|
| 60 | Color=1-extintion+extintion*scattered;
|
---|
| 61 | //Color=float4(0,0,0,0);
|
---|
| 62 | }
|
---|
| 63 |
|
---|