 = new Jolt.BroadPhaseLayerFilter();
				const objectFilter = new Jolt.ObjectLayerFilter();
				// This is an option/select given the user options on raising or lowering the terrain by 0.1 units
				const raiseLower = document.getElementById('raise-lower');
				controls.domElement.addEventListener('click', (mouseEvt) => {
					const coords = mouseEventToTerrainCoords(mouseEvt);
					if (coords) {
						// Mobile devices will not have mouse-over, so draw the indicator here as well
						visibleCanvasContext2