			ctx.fillStyle = 'rgba(48,255,48,0.5)';
						ctx.fillRect(obj.x, obj.y, obj.width, obj.height);
					} else {
						ctx.strokeStyle = 'rgba(255,255,255,0.5)';
						ctx.strokeRect(obj.x, obj.y, obj.width, obj.height);
					}
					
					
				}
			};

			
			/**
			 * return a random number within given boundaries.
			 *
			 * @param {number} min		the lowest possible number
			 * @param {number} max		the highest possible number
			 * @param {boolean} round	if true, return integer
			 * @r