Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
当两个实例距离小于一定值时触发事件
这个简单,使用系统的比较两个值功能,第一个值填写距离distance(炮弹.x,炮弹.y,炮弹.爆炸位置x,炮弹.爆炸位置y),第二个值填写要小于的值。