Question

我有一堆SKSpriteNode的设置。我的英雄节点不应该进入墙壁，如果是，它将触发碰撞。这工作正常，但碰撞点并不完全在精灵的图像上。

这是英雄的代码：

hero = [SKSpriteNode spriteNodeWithImageNamed:@"hero"];
hero.name = heroCategoryName;
hero.position = CGPointMake(100, CGRectGetMidY(self.frame));
hero.physicsBody = [SKPhysicsBody bodyWithCircleOfRadius:hero.frame.size.width];
hero.physicsBody.friction = 1.0f;
hero.physicsBody.restitution = 0.0f;
hero.physicsBody.linearDamping = 0.1f;
hero.physicsBody.allowsRotation = NO;
hero.physicsBody.categoryBitMask = heroCategory;
hero.physicsBody.contactTestBitMask = wallCategory;
hero.physicsBody.usesPreciseCollisionDetection = YES;
hero.physicsBody.mass = 0.2f;
[self addChild:hero];

以下是墙壁：

SKSpriteNode *wall  = [SKSpriteNode spriteNodeWithImageNamed:@"wall"];
        wall.name = wallCategoryName;
        wall.hidden = YES;

        wall.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:wall.size];
        wall.physicsBody.dynamic = NO;
        wall.physicsBody.collisionBitMask = 0;
        wall.physicsBody.usesPreciseCollisionDetection = YES;
        wall.physicsBody.categoryBitMask = wallCategory;
        wall.physicsBody.contactTestBitMask = heroCategory;

无论碰撞是在顶部，左侧还是右侧，都会发生这种情况。我已经走了，并确保我的图像尽可能多地被丢弃。我不确定它还能是什么。看起来身体的命中箱似乎比它应该更大。

Answer 1

英雄精灵的维度是什么？如果是方形图像，则更改以下

hero.physicsBody = [SKPhysicsBody bodyWithCircleOfRadius:hero.frame.size.width];

到

hero.physicsBody = [SKPhysicsBody bodyWithCircleOfRadius:hero.frame.size.width/2.0f];

Sprite Kit碰撞发生在精灵之外的几个点上

1 个答案: