问题是我无法检测到碰撞//或以我在互联网上找到的任何方式进行接触
这是我的代码:
我的面具声明:
private let ballCategory : UInt32 = 0x1 << 0
private let holeCategory : UInt32 = 0x1 << 1
添加洞和球:
func addHole(#size : CGSize) {
let actionMoveDown = SKAction.moveToY(CGRectGetMidY(self.frame)-500, duration: 4.7)
let hole = shapedHoles()
let UT = UTIL()
var position:CGFloat
let randomPosition = UT.randomNumberWith(Min: 1, Max: 3)
switch randomPosition{
case 1:
position = CGRectGetMidX(self.frame)
case 2:
position = CGRectGetMidX(self.frame)+size.width
default:
position = CGRectGetMidX(self.frame)-(size.width)
}
var createdHole = hole.createHoleAtPosition(position: CGPointMake(position ,CGRectGetMaxY(self.frame) + (size.height/2)),size: size )//CGSizeMake(CGRectGetMaxX(self.frame)/3 - 10, 70)
createdHole.physicsBody = SKPhysicsBody(rectangleOfSize: createdHole.frame.size)
createdHole.physicsBody?.categoryBitMask = holeCategory
createdHole.physicsBody?.collisionBitMask = 0
createdHole.physicsBody?.contactTestBitMask = ballCategory
createdHole.physicsBody?.affectedByGravity = false
createdHole.physicsBody?.dynamic = false
lastHolePosition = randomPosition
createdHole .runAction(actionMoveDown)
self.addChild(createdHole)
}
func addSphere(){
let mainCharacterController = circle()
let character: (SKNode) = mainCharacterController.createCircleAtPosition(position: CGPointMake(CGRectGetMidX(self.frame), CGRectGetMinY(self.frame)+100))
character.physicsBody = SKPhysicsBody(circleOfRadius: character.frame.size.height/2)
character.physicsBody?.categoryBitMask = ballCategory
character.physicsBody?.collisionBitMask = 0
character.physicsBody?.contactTestBitMask = holeCategory
character.physicsBody?.affectedByGravity = false
character.physicsBody?.dynamic = false
self.addChild(character)
} func addHole(#size : CGSize) {
let actionMoveDown = SKAction.moveToY(CGRectGetMidY(self.frame)-500, duration: 4.7)
let hole = shapedHoles()
let UT = UTIL()
var position:CGFloat
let randomPosition = UT.randomNumberWith(Min: 1, Max: 3)
switch randomPosition{
case 1:
position = CGRectGetMidX(self.frame)
case 2:
position = CGRectGetMidX(self.frame)+size.width
default:
position = CGRectGetMidX(self.frame)-(size.width)
}
var createdHole = hole.createHoleAtPosition(position: CGPointMake(position ,CGRectGetMaxY(self.frame) + (size.height/2)),size: size )//CGSizeMake(CGRectGetMaxX(self.frame)/3 - 10, 70)
createdHole.physicsBody = SKPhysicsBody(rectangleOfSize: createdHole.frame.size)
createdHole.physicsBody?.categoryBitMask = holeCategory
createdHole.physicsBody?.collisionBitMask = 0
createdHole.physicsBody?.contactTestBitMask = ballCategory
createdHole.physicsBody?.affectedByGravity = false
createdHole.physicsBody?.dynamic = false
lastHolePosition = randomPosition
createdHole .runAction(actionMoveDown)
self.addChild(createdHole)
}
func addSphere(){
let mainCharacterController = circle()
let character: (SKNode) = mainCharacterController.createCircleAtPosition(position: CGPointMake(CGRectGetMidX(self.frame), CGRectGetMinY(self.frame)+100))
character.physicsBody = SKPhysicsBody(circleOfRadius: character.frame.size.height/2)
character.physicsBody?.categoryBitMask = ballCategory
character.physicsBody?.collisionBitMask = 0
character.physicsBody?.contactTestBitMask = holeCategory
character.physicsBody?.affectedByGravity = false
character.physicsBody?.dynamic = false
self.addChild(character)
}
最后但并非最不重要的是 didBeginContactMethod
func didBeginContact(contact: SKPhysicsContact) {
var firstBody: SKPhysicsBody!
var secondBody: SKPhysicsBody!
if contact.bodyA.categoryBitMask < contact.bodyB.categoryBitMask {
firstBody = contact.bodyA
secondBody = contact.bodyB
}
else {
firstBody = contact.bodyB
secondBody = contact.bodyA
}
if (firstBody.categoryBitMask & holeCategory) != 0 &&
(secondBody.categoryBitMask & ballCategory) != 0 {
println("HO")
}
}
谢谢您,希望您知道发生了什么,如果您需要任何额外的代码,只需评论即可
最佳答案
您必须确保您使用的 SKScene
子类也实现 SKPhysicsContactDelegate
协议(protocol)。例如,它看起来像这样。
class MyScene : SKScene, SKPhysicsContactDelegate
然后你必须将你的物理世界接触委托(delegate)设置为你自己。
override init() {
self.physicsWorld.contactDelegate = self;
}
告诉我这是如何解决的,但它应该可以解决问题并成功地让您监听碰撞。
关于ios - 如何正确检测接触和碰撞? Swift iOS SKScene,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/26499969/