added more code to render my first scene; STILL WITH ERRORS

opengl_beginnings/resources/shaders/sphere.vert

@@ -0,0 +1,22 @@
+#version 330 core
+
+layout(location=0) in vec3 position;
+layout(location=1) in vec3 normals;
+
+uniform mat4 modelMatrix;
+uniform mat4 viewMatrix;
+uniform mat4 projectionMatrix;
+
+//out vec3 fragPos;
+//out vec3 fragNormal;
+
+void main()
+{
+    vec4 pos = vec4(position, 1.0);
+
+    // the inverse should be calculated on the CPU as it is quite expensive to run and doesn't need to be run for every vertex
+//    fragNormal = mat3(transpose(inverse(modelMatrix))) * normals;
+//    fragPos = vec3(modelMatrix * pos);
+
+    gl_Position = projectionMatrix * viewMatrix * modelMatrix * pos;
+}