从 SCNScene 和 overlaySKScene 获取触摸事件的 swift/scenekit 问题 [英] swift/scenekit problems getting touch events from SCNScene and overlaySKScene
问题描述
下午好,我正在研究如何从 SCNNode & 获取触摸通知.来自 SCNScene 的 SKSpriteNode 与 SKScene 重叠.
Good afternoon, I'm trying to figure out how to get touch notifications from an SCNNode & a SKSpriteNode from an SCNScene overlayed with a SKScene.
import UIKit
import SceneKit
class GameViewController: UIViewController {
var scnView:SCNView!
var scnScene:SCNScene!
var sprite: spritekitHUD!
var cameraNode: SCNNode!
var shape: SCNNode!
override func viewDidLoad() {
super.viewDidLoad()
setupScene()
}
func setupScene() {
scnView = self.view as! SCNView
scnView.delegate = self
scnView.allowsCameraControl = true
scnScene = SCNScene(named: "art.scnassets/scene.scn")
scnView.scene = scnScene
sprite=spritekitHUD(size: self.view.bounds.size, game: self)
scnView.overlaySKScene=sprite
cameraNode = scnScene.rootNode.childNode(withName: "camera",
recursively: true)!
shape=scnScene.rootNode.childNode(withName: "shape", recursively: true)
shape.name="ThreeDShape"
}
override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?)
{
let touch = touches.first!
let location = touch.location(in: scnView)
let hitResults = scnView.hitTest(location, options: nil)
if let result = hitResults.first {
handleTouchFor(node: result.node)
}
}
func handleTouchFor(node: SCNNode) {
if node.name == "ThreeDShape" {
print("SCNNode Touched")
}
}
}
这是我的 Spritekit 叠加场景
This is my Spritekit overlay scene
import Foundation
import SpriteKit
class spritekitHUD: SKScene{
var game:GameViewController!
var shapeNode: SKSpriteNode!
init(size: CGSize, game: GameViewController){
super.init(size: size)
self.backgroundColor = UIColor.white
let spriteSize = size.width/12
self.shapeNode= SKSpriteNode(imageNamed: "shapeNode")
self.shapeNode.size = CGSize(width: spriteSize, height: spriteSize)
self.shapeNode.position = CGPoint(x: spriteSize + 8, y: spriteSize + 8)
self.shapeNode.name="test"
self.game=game
self.addChild(self.pauseNode)
}
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
guard let touch=touches.first else{
return
}
let location=touch.location(in: self)
if self.atPoint(location).name=="test" {
print("Spritekit node pressed")
}
}
}
因此,我可以成功地收到通知,说明我的 spritenode 已在我的 overlaySKScene 上被触摸,但我不知道如何获得我的 SCNode 已被触摸的通知.如果你不能有 2 个 touchesbegan 函数,有人知道我如何同时处理 3d 事件和 2d 事件吗?
so with this I can successfully get notifications that my spritenode has been touched on my overlaySKScene but I cant figure out how to get a notification that my SCNode has been touched. If you cant have 2 touchesbegan functions does anyone have any ideas how I can handle the 3d events with 2d events at the same time?
感谢您的帮助!!
推荐答案
这是直接从 Xcode 的游戏模板中提升"出来的......
This is "lifted" straight out of Xcode's Game template......
在 viewDidLoad 中添加手势识别器:
Add a gesture recognizer in your viewDidLoad:
// add a tap gesture recognizer
let tapGesture = UITapGestureRecognizer(target: self, action:
#selector(handleTap(_:)))
scnView.addGestureRecognizer(tapGesture)
func handleTap(_ gestureRecognize: UIGestureRecognizer) {
// retrieve the SCNView
let scnView = self.view as! SCNView
// check what nodes are tapped
let p = gestureRecognize.location(in: scnView)
let hitResults = scnView.hitTest(p, options: [:])
// check that we clicked on at least one object
if hitResults.count > 0 {
// retrieved the first clicked object
let result: AnyObject = hitResults[0]
// result.node is the node that the user tapped on
// perform any actions you want on it
}
}
这篇关于从 SCNScene 和 overlaySKScene 获取触摸事件的 swift/scenekit 问题的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!