function mouseDown()

in www/src/utils/particles.ts [373:384]


	function mouseDown(e) {
		for (let i = gravities.length - 1; i >= 0; i--) {
			if (gravities[i].isMouseOver) {
				gravities[i].startDrag(mouse);
				return;
			}
		}
		gravities.push(new GravityPoint(e.clientX, e.clientY, G_POINT_RADIUS, {
			particles: particles,
			gravities: gravities,
		}));
	}