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[英]SpriteKit: How to prevent two SKSpriteNodes from colliding (in Swift)
[英]How can I prevent two types of SpriteKit nodes from colliding with each other?
我正在使用Apple Sprite Kit編寫一款小游戲。
我遇到了碰撞問題。 有時我不想讓兩個帶有physicsBodys的skSpriteNodes進行交互。
作為一個例子,我有HERO,ENEMYS和SHOTS,我希望SHOTS只與ENEMYS交互。
但是當兩個鏡頭碰撞在一起時,它們會改變它們的位置。
鏡頭的代碼是
shot.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:shot.size];
shot.physicsBody.dynamic = YES;
shot.physicsBody.allowsRotation = FALSE;
shot.physicsBody.categoryBitMask = playerShotCategory;
shot.physicsBody.contactTestBitMask = enemyCategory;
並且敵人的代碼是
activeGameObject.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:activeGameObject.size];
activeGameObject.physicsBody.dynamic = YES;
activeGameObject.physicsBody.categoryBitMask = enemyCategory;
activeGameObject.physicsBody.contactTestBitMask = playerCategory | playerShotCategory;
activeGameObject.physicsBody.allowsRotation = FALSE;
如果你只想讓鏡頭與敵人交互,你需要添加以下代碼:
shot.physicsBody.collisionBitMask = enemyCategory;
activeGameObject.physicsBody.collisionBitMask = playerShotCategory|playerCategory;
有關更多信息,請參閱collisionBitMask的文檔 。 如果您想要在碰撞中涉及其他類別,則可能需要修改collisionBitMask。
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