fix: complete Task 1 by updating shaders for normals and Lambertian lighting

shaders/simple.frag

@@ -1,7 +1,6 @@
 #version 460 core
 
-out layout(location=0) vec4 color;
-in vec4 gl_FragCoord;
+layout(location = 0) out vec4 color;
 in vec4 vColor;
 in vec3 vNormal;
 

shaders/simple.vert

@@ -1,15 +1,15 @@
 #version 460 core
 
-in layout(location=0) vec3 position;
-in layout(location=1) vec4 aColor;
-in layout(location=2) vec3 aNormal;
+layout(location = 0) in vec3 position;
+layout(location = 1) in vec4 aColor;
+layout(location = 2) in vec3 aNormal;
 out vec4 vColor;
 out vec3 vNormal;
-uniform mat3 normalMatrix;
+layout(location = 0) uniform mat4 transform;
 layout(location = 1) uniform mat3 normalMatrix;
 
 void main() {
-    gl_Position = transform * vec4(position, 1.0f);
+    gl_Position = transform * vec4(position, 1.0);
     vColor = aColor;
     vNormal = normalize(normalMatrix * aNormal);
 }