Unity - OnTriggerEnter2D OnCollisionEnter2D的触发条件

触发条件：

OnTriggerEnter2D :

1.层级设置可以发生碰撞

2.至少一方具备Rigidbody2D， 且不为Static

3.双方都有Collider2D

4.至少一方IsTrigger = true

OnCollisionEnter2D:

1.层级设置可以发生碰撞

2.至少一方具备Rigidbody2D， 且不为Static

3.双方都有Collider2D

4.双方均为 IsTrigger = false