Update twoD shaders

shader/twoD/ellipse.vert

@@ -1,12 +1,10 @@
 #version 430 core
 layout (location = 0) in vec3 position;
 layout (location = 1) in vec4 col;
+layout (std140, binding = 0) uniform TheMat { mat4 theMat; } ;
 out vec4 vCol;
-
-uniform mat4 worldMat;
-
 void main()
 {
-  gl_Position = worldMat * vec4(position,1);
+  gl_Position = theMat * vec4(position,1);
   vCol = col;
 }