Comments (6)
TestHelloSystem中ecs.allOf(HelloComponent)表示只关心有HelloComponent组件的实体,如果实体删除了HelloComponent,那么对于TestHelloSystem来说,这个实体就不满足TestHelloSystem对实体的筛选条件,所以会触发entityRemove。
from ecs.
“反而在entity.remove(组件)的时候会被调用”是什么意思?
from ecs.
let entity = ecs.createEntity();
entity.add(HelloComponent);
setInterval(() => {
// 这里会触发entityRemove,正常逻辑来说应该只会有组件移除的事件才对
entity.remove(HelloComponent);
}, 4000);
from ecs.
因为你的TestHelloSystem只是监听了包含HelloComponent的实体集合。
from ecs.
更准确的说,TestHelloSystem监听包含HelloComponent的实体的集合,如果一个实体没有了HelloComponent,那么这个实体就不属于这个集合,从而导致触发entityRemove方法。
from ecs.
let entity = ecs.createEntity();
entity.add(HelloComponent);
entity.add(WorldComponent);
setInterval(() => {
// 这里会触发entityRemove,正常逻辑来说应该只会有组件移除的事件才对
entity.remove(HelloComponent);
}, 4000);
删掉hellocomponet,保留worldcomponet这样子也会
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