/*******************************************************************************************
*
*   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 fragPos

void main()
[
    # Calculate fragment position based on model transformations
    fragPos = 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.xyww
]
