Index: graphics_library/SimpleTransform.vertexshader
===================================================================
--- graphics_library/SimpleTransform.vertexshader	(revision 2ce51543b128ac8a1a9243f31d1d3774ee076a44)
+++ graphics_library/SimpleTransform.vertexshader	(revision 2ce51543b128ac8a1a9243f31d1d3774ee076a44)
@@ -0,0 +1,22 @@
+#version 330 core
+
+// Input vertex data, different for all executions of this shader.
+layout(location = 0) in vec3 vertexPosition_modelspace;
+
+// Notice that the "1" here equals the "1" in glVertexAttribPointer
+layout(location = 1) in vec3 vertexColor;
+
+// Output data ; will be interpolated for each fragment.
+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);
+
+   // The color of each vertex will be interpolated
+   // to produce the color of each fragment
+   fragmentColor = vertexColor;
+}