working on some bugs

shaders/cube_frag.glsl

@@ -1,11 +1,12 @@
 #version 330 core
 
-// The final color output for the pixel.
 out vec4 FragColor;
 
+// [NEW] This variable will be set from your C++ code
+uniform vec3 u_Color;
+
 void main()
 {
-    // Hard-code the color to an obnoxious bright orange.
-    // The values are (Red, Green, Blue, Alpha).
-    FragColor = vec4(1.0, 1.0, 1.0, 1.0);
-}
+    // Use the color from C++
+    FragColor = vec4(u_Color, 1.0);
+}

shaders/cube_vert.glsl

@@ -3,14 +3,19 @@
 // Input vertex attribute (e.g., from your VBO)
 // 'layout (location = 0)' matches the first attribute you enable.
 layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec3 aNormal;
 
 // A "uniform" is a global variable you set from your C++/Java/etc. code.
 // This matrix combines your model, view, and projection matrices.
 uniform mat4 u_mvp;
 
+flat out vec3 v_Normal;
+
 void main()
 {
     // gl_Position is a special built-in variable.
     // It's the final clip-space position of the vertex.
     gl_Position = u_mvp * vec4(aPos, 1.0);
+
+    v_Normal = aNormal;
 }