e85d191b46
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
51 lines
1.2 KiB
GLSL
51 lines
1.2 KiB
GLSL
// Cyrille Henry 2010
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#version 120
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#extension GL_EXT_geometry_shader4 : enable
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void main(void)
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{
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int i; //increment variable
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vec4 pos1,pos2, pos3, pos4, pos5; // tmp
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vec3 high;
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for(i=0; i< gl_VerticesIn; i += 3){ // for all triangles
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pos1 = gl_PositionIn[i];
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pos2 = gl_PositionIn[i+1];
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pos3 = gl_PositionIn[i+2];
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pos4 = (pos1 + pos2 + pos3) / 3.; // center of the triangle
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high = 10.*cross(pos2.xyz-pos1.xyz,pos3.xyz-pos2.xyz);
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// hight and orientation of the piramide
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high = normalize(high);
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high *= length(pos2-pos1);
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pos5 = pos4 ;
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pos5.xyz += high;
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gl_Position = gl_ModelViewProjectionMatrix * pos1;
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EmitVertex();
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gl_Position = gl_ModelViewProjectionMatrix * pos4;
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EmitVertex();
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gl_Position = gl_ModelViewProjectionMatrix * pos5;
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EmitVertex();
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gl_Position = gl_ModelViewProjectionMatrix * pos2;
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EmitVertex();
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gl_Position = gl_ModelViewProjectionMatrix * pos4;
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EmitVertex();
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gl_Position = gl_ModelViewProjectionMatrix * pos5;
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EmitVertex();
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gl_Position = gl_ModelViewProjectionMatrix * pos3;
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EmitVertex();
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gl_Position = gl_ModelViewProjectionMatrix * pos4;
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EmitVertex();
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gl_Position = gl_ModelViewProjectionMatrix * pos5;
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EmitVertex();
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EndPrimitive();
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// new primitive
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}
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}
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