private void createGrassMid() {
		grassMid = new VertexArray(PrimitiveType.QUADS);
		Color grassMidColor = new Color(81, 158, 110, 255);
		
		grassMid.add(new Vertex(new Vector2f(worldDimensions.left, worldDimensions.height/2), grassMidColor));
		grassMid.add(new Vertex(new Vector2f(worldDimensions.left + worldDimensions.width, worldDimensions.height/2), grassMidColor));
		grassMid.add(new Vertex(new Vector2f(worldDimensions.left + worldDimensions.width, worldDimensions.height/2 + grassMidHeight), grassMidColor));
		grassMid.add(new Vertex(new Vector2f(worldDimensions.left, worldDimensions.height/2 + grassMidHeight), grassMidColor));
	}