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Objects/Cuboid
22
Objects/Cuboid/Cuboid.py
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Objects/Cuboid/Cuboid.py
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from OpenGL.GLUT import *
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from OpenGL.GLU import *
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from OpenGL.GL import *
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from Objects.Objects import *
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class Cuboid(Object):
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GeometryShaderId = -1
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def __init__(self):
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Object.__init__(self)
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if(Cuboid.GeometryShaderId == -1):
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self.initializeShader()
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def initializeShader(self)->bool:
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with open('./Objects/Cuboid/cuboid_geometry.glsl', 'r') as f:
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geometry_shader_string = f.read()
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Cuboid.GeometryShaderId = glCreateShader(GL_GEOMETRY_SHADER)
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glShaderSource(Cuboid.GeometryShaderId, geometry_shader_string)
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glCompileShader(Cuboid.GeometryShaderId)
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if glGetShaderiv(Cuboid.GeometryShaderId, GL_COMPILE_STATUS) != GL_TRUE:
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raise RuntimeError(glGetShaderInfoLog(Cuboid.GeometryShaderId))
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return False
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return True
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204
Objects/Cuboid/cuboid_geometry.glsl
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Objects/Cuboid/cuboid_geometry.glsl
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#version 410
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layout(points) in;
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layout(triangle_strip,max_vertices=24) out;
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uniform mat4 projModelViewMatrix;
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uniform mat3 normalMatrix;
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uniform mat3 rotMatrix;
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layout(location = 0) in vec3 colorgeo[1];
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layout(location = 1) in vec3 size[1];
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layout(location = 0) out vec3 colorout;
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layout(location = 1) out vec3 normal;
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layout(location = 2) out vec3 pos;
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void main(){
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//hinten
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,-size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,0,-1));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,-size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,0,-1));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,0,-1));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,0,-1));
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pos = gl_Position.xyz;
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EmitVertex();
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EndPrimitive();
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//vorne
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,0,1));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,-size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,0,1));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,0,1));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,-size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,0,1));
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pos = gl_Position.xyz;
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EmitVertex();
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EndPrimitive();
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//oben
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,1,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,1,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,1,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,1,0));
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pos = gl_Position.xyz;
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EmitVertex();
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EndPrimitive();
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//unten
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,-size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,-1,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,-size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,-1,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,-size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,-1,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,-size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(0,-1,0));
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pos = gl_Position.xyz;
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EmitVertex();
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EndPrimitive();
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//links
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(-1,0,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,-size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(-1,0,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(-1,0,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(-size[0].x,-size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(-1,0,0));
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pos = gl_Position.xyz;
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EmitVertex();
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EndPrimitive();
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//rechts
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,-size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(1,0,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,-size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(1,0,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,size[0].y,size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(1,0,0));
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pos = gl_Position.xyz;
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EmitVertex();
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gl_Position = projModelViewMatrix *(gl_in[0].gl_Position + vec4(rotMatrix * vec3(size[0].x,size[0].y,-size[0].z),0));
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colorout = colorgeo[0];
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normal = normalize(rotMatrix * vec3(1,0,0));
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pos = gl_Position.xyz;
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EmitVertex();
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EndPrimitive();
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}
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