Complete transformation and coordinate system chapters

shaders/frag.glsl

@@ -1,6 +1,5 @@
 #version 330 core
 
-in vec3 vert_color;
 in vec2 tex_coords;
 
 out vec4 color;

shaders/vert.glsl

@@ -1,16 +1,15 @@
 #version 330 core
 
 layout(location=0) in vec3 position;
-layout(location=1) in vec3 color;
-layout(location=2) in vec2 uv;
+layout(location=1) in vec2 uv;
 
-uniform mat4 matrix;
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
 
-out vec3 vert_color;
 out vec2 tex_coords;
 
 void main() {
   tex_coords  = uv;
-  vert_color  = color;
-  gl_Position = matrix * vec4(position, 1.0);
+  gl_Position = projection * view * model * vec4(position, 1.0);
 };