Cleanup & refactor

data/shader.frag

@@ -1,9 +0,0 @@
-#version 330 core
-
-in vec4 color;
-out vec4 out_frag_color;
-
-void main(void)
-{
-	out_frag_color = color;
-}

data/shader.vert

@@ -1,16 +0,0 @@
-#version 330 core
-
-uniform mat4 projection_matrix;
-uniform mat4 model_matrix;
-uniform mat4 view_matrix;
-
-layout(location=0) in vec3 in_position;
-layout(location=1) in vec3 in_color;
-
-out vec4 color;
-
-void main(void)
-{
-    gl_Position = projection_matrix * view_matrix * model_matrix * vec4(in_position, 1);
-    color = vec4(1 * in_color.rgb, 1);
-}