Slight cleanup of the vertex shader

vert.vert

@@ -29,22 +29,29 @@ void main() {
   // assign the transformee
   gl_Position = pos.posnrm[gl_VertexIndex][0];
 
+  // this needs a refactor; 
+  // the push constant format doesn't really match 
+  // what it's being used for.
+  vec3 cam_orig = offst.xyz;
+  vec2 cam_rot = vec2(data[3].w, offst.w);
+
+
   mat4 view_orig = mat4(
-    1.0, 0.0, 0.0, offst.x,
+    1.0, 0.0, 0.0, cam_orig.x,
-    0.0, 1.0, 0.0, offst.y,
+    0.0, 1.0, 0.0, cam_orig.y,
-    0.0, 0.0, 1.0, offst.z,
+    0.0, 0.0, 1.0, cam_orig.z,
     0.0, 0.0, 0.0, 1.0
   );
   mat4 view_rot_xz = mat4(
-    cos(offst.w), 0.0, sin(offst.w), 0.0,
+    cos(cam_rot.y), 0.0, sin(cam_rot.y), 0.0,
     0.0, 1.0, 0.0, 0.0,
-    -sin(offst.w), 0.0, cos(offst.w), 0.0,
+    -sin(cam_rot.y), 0.0, cos(cam_rot.y), 0.0,
     0.0, 0.0, 0.0, 1.0
   );
   mat4 view_rot_yz = mat4(
     1.0, 0.0, 0.0, 0.0,
-    0.0, cos(data[3].w), sin(data[3].w), 0.0,
+    0.0, cos(cam_rot.x), sin(cam_rot.x), 0.0,
-    0.0, -sin(data[3].w), cos(data[3].w), 0.0,
+    0.0, -sin(cam_rot.x), cos(cam_rot.x), 0.0,
     0.0, 0.0, 0.0, 1.0
   );
   mat4 project_aspect = mat4(