Replace explicit matrix uniforms with single ubo

shader/background.vert

@@ -1,7 +1,6 @@
 #version 430 core
 layout (location = 0) in vec4 params;
 layout (location = 1) in vec2 texCoor;
-uniform mat4 worldMat;
 void main()
 {
   gl_Position = vec4(0,0,0,0);