public void highlightFloor() {
			for (int i = 0; i<floorVertices.size(); i++) {
				Vertex vertex = floorVertices.get(i);
				Color brighter = vertex.color;
				brighter = new Color((int) (brighter.r*1.3),(int) (brighter.g*1.3),(int) (brighter.b*1.3));
				vertex = new Vertex(vertex.position, brighter, vertex.texCoords);
				highlightedFloorVertices.add(vertex);
			}
		}