0
我试图使用内置的加速度计在x轴上移动播放器,但出了点问题。当我在iPhone上模拟应用程序时,节点会继续向各个方向移动,并且只有在关闭应用程序并再次启动后,节点才会从左向右移动,这正是我想要的。所以它的作品,但只有在关闭并再次打开应用程序后。代码奇怪的加速度计行为(CoreMotion)
部分:
import Foundation
import SpriteKit
import CoreMotion
class Gameplay : SKScene{
private var player : Player?
var motionManager = CMMotionManager()
override func update(_ currentTime: TimeInterval) {
self.player?.move()
}
func initializeGame(){
player = childNode(withName: "player") as? Player!
player?.initPlayer()
}
override func didMove(to view: SKView) {
initializeGame()
motionManager.startAccelerometerUpdates()
motionManager.accelerometerUpdateInterval = 0.1
motionManager.startAccelerometerUpdates(to: OperationQueue.current!) { (data , _) in
if let accelerometerData = data{
print("x: \(accelerometerData.acceleration.x)")
print("y: \(accelerometerData.acceleration.y)")
self.physicsWorld.gravity = CGVector(dx: accelerometerData.acceleration.x*10, dy: 0) //only x axis?
} else {
print("NOPE")
}
}
}
Player.swift:
import Foundation
import SpriteKit
class Player : SKSpriteNode{
func initPlayer(){
name = "Player"
physicsBody?.affectedByGravity = true
physicsBody?.isDynamic = true
}
func move(){ //boundaries
if position.x >= 315{
position.x = 315
} else if position.x <= -315{
position.x = -315
}
}
func shoot(){
//...
}
}