新增mover移动器组件 用于处理itriggerListener接口碰撞信息

source/src/ECS/Components/Physics/Mover.ts

@@ -0,0 +1,62 @@
+class Mover extends Component {
+    private _triggerHelper: ColliderTriggerHelper;
+
+    public onAddedToEntity(){
+        this._triggerHelper = new ColliderTriggerHelper(this.entity);
+    }
+
+    public calculateMovement(motion: Vector2){
+        let collisionResult = new CollisionResult();
+
+        if (!this.entity.getComponent(Collider) || !this._triggerHelper){
+            return null;
+        }
+
+        let colliders: Collider[] = this.entity.getComponents(Collider);
+        for (let i = 0; i < colliders.length; i ++){
+            let collider = colliders[i];
+
+            if (collider.isTrigger)
+                continue;
+
+            let bounds = collider.bounds;
+            bounds.x += motion.x;
+            bounds.y += motion.y;
+            let neighbors = Physics.boxcastBroadphaseExcludingSelf(collider, bounds, collider.collidesWithLayers);
+
+            for (let j = 0; j < neighbors.length; j ++){
+                let neighbor = neighbors[j];
+                if (neighbor.isTrigger)
+                    continue;
+
+                let _internalcollisionResult = collider.collidesWith(neighbor, motion);
+                if (_internalcollisionResult){
+                    motion = Vector2.subtract(motion, _internalcollisionResult.minimumTranslationVector);
+
+                    if (_internalcollisionResult.collider){
+                        collisionResult = _internalcollisionResult;
+                    }
+                }
+            }
+        }
+
+        ListPool.free(colliders);
+
+        return collisionResult;
+    }
+
+    public applyMovement(motion: Vector2){
+        this.entity.transform.position = Vector2.add(this.entity.transform.position, motion);
+
+        if (this._triggerHelper)
+            this._triggerHelper.update();
+    }
+
+    public move(motion: Vector2){
+        let collisionResult = this.calculateMovement(motion);
+
+        this.applyMovement(motion);
+
+        return collisionResult;
+    }
+}