build basic coil segment with some problems ;)

shaders/shader.vert

@@ -1,10 +1,15 @@
 #version 330 core
 layout (location = 0) in vec3 aPos;
 layout (location = 1) in vec3 col;
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+
 out vec3 frag_col;
 
 void main()
 {
     frag_col = col;
-    gl_Position = vec4(aPos.x, aPos.y, aPos.z, 1.0);
+    gl_Position = projection * view * model * vec4(aPos, 1.0);
 }