我的问题是,当我玩游戏时,即使敌人没有碰到我的角色,我也会失去生命,但飞得非常接近他。我知道问题是我的角色的透明空间与敌人的透明空间接触。
我想按照SKPhysicsBody documentation的建议去做。如何使用我当前的代码实现这一点?
func madEnemy() {
let randomNumber = Int.random(in: 1..<6)
let enemy = SKSpriteNode(imageNamed: "enemy\(randomNumber)")
enemy.position = CGPoint(
x: cameraRect.maxX + enemy.size.width/2,
y: CGFloat.random(
min: cameraRect.minY + enemy.size.height/2,
max: cameraRect.maxY - enemy.size.height/2))
enemy.zPosition = 50
enemy.name = "enemy"
addChild(enemy)
let actionMove =
SKAction.moveBy(x: -(size.width + enemy.size.width), y: 0, duration: 2.0)
let actionRemove = SKAction.removeFromParent()
enemy.run(SKAction.sequence([actionMove, actionRemove]))
}
你只需要首先从你的图像创建一个SKTexture
对象,然后使用该纹理创建一个SKSpriteNode
,以便使用纹理来调整SKPhysicsBody
或你的节点的大小。
func madEnemy() {
let randomNumber = Int.random(in: 1..<6)
let enemyTexture = SKTexture(imageNamed: "enemy\(randomNumber)")
let enemy = SKSpriteNode(texture: enemyTexture)
enemy.physicsBody = SKPhysicsBody(texture: enemyTexture, size: CGSize(width: enemy.size.width, height: enemy.size.height))
enemy.position = CGPoint(
x: cameraRect.maxX + enemy.size.width/2,
y: CGFloat.random(
min: cameraRect.minY + enemy.size.height/2,
max: cameraRect.maxY - enemy.size.height/2))
enemy.zPosition = 50
enemy.name = "enemy"
addChild(enemy)
let actionMove =
SKAction.moveBy(x: -(size.width + enemy.size.width), y: 0, duration: 2.0)
let actionRemove = SKAction.removeFromParent()
enemy.run(SKAction.sequence([actionMove, actionRemove]))
}