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/*******************************************************************************************
*
* rPBR [shader] - Background skybox vertex shader
*
* Copyright (c) 2017 Victor Fisac
*
**********************************************************************************************/
#version 330
// Input vertex attributes
in vec3 vertexPosition;
// Input uniform values
uniform mat4 projection;
uniform mat4 view;
// Output vertex attributes (to fragment shader)
out vec3 fragPosition;
void main()
{
// Calculate fragment position based on model transformations
fragPosition = vertexPosition;
// Remove translation from the view matrix
mat4 rotView = mat4(mat3(view));
vec4 clipPos = projection*rotView*vec4(vertexPosition, 1.0);
// Calculate final vertex position
gl_Position = clipPos.xyzw;
}
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