// Vertex Shader

#version 330 core

// Input vertex data, different for all executions of this shader.
layout(location = 0) in vec3 vertexPosition_modelspace;
layout(location = 1) in vec3 vertexColor;

// Output data ; will be interpolated for each fragment.
//out vec2 UV;
out vec3 fragmentColor;

// Values that stay constant for the whole mesh.
uniform mat4 MVP;

void main(){

    // Output position of the vertex, in clip space : MVP * position
    gl_Position =  MVP * vec4(vertexPosition_modelspace,1);

    // UV of the vertex. No special space for this one.
    //UV = vertexUV;

    fragmentColor = vertexColor;
}



// Fragment Shader

#version 330 core

// Interpolated values from the vertex shaders
in vec3 fragmentColor;

// Ouput data
out vec3 color;

void main()
{
    // Output color = color specified in the vertex shader,
    // interpolated between all 3 surrounding vertices
    color = fragmentColor;

}