Have the original lighting system back and a little lightbulb model to show where the light is.

33-shadow-mapping/shaders/4.2.texture.vs

@@ -0,0 +1,15 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec2 aTexCoord;
+
+out vec2 TexCoord;
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+
+void main()
+{
+    gl_Position = projection * view * model * vec4(aPos, 1.0f);
+    TexCoord = vec2(aTexCoord.x, aTexCoord.y);
+}