这是 XCode SKEmitter 编辑器中的动画(我想在 iPhone 上实现):
这是iPhone上的动画(我不要这个动画):
使用这段代码:
let sparkEmmiter = SKEmitterNode(fileNamed: "fireflies.sks")
self.addChild(sparkEmmiter) // self is a SKScene
var circle: CGPathRef? = nil
circle = CGPathCreateWithEllipseInRect(CGRectMake(400, 200, 200, 200), nil)
let followTrack = SKAction.followPath(circle!, asOffset: false, orientToPath: true, duration: 3.0)
let followTrackForever = SKAction.repeatActionForever(followTrack)
//sparkEmmiter.runAction(followTrackForever)
sparkEmmiter.particleAction = followTrackForever;
这是发射器设置:
我引用这个 question 尝试了 runAction 和 particleAction ,但它并没有像我希望的那样工作...
----------------更新-------------------- --------------------------
尝试了 hamobi 提到的解决方案(仍然不起作用):
//If I were you:
// 1) I'd make a sprite and
let texture = SKTexture(imageNamed: "spark")
let mySprite = SKSpriteNode(texture: texture)
self.addChild(mySprite)
// 2) add the emitter in your first example as a child.
let sparkEmmiter = SKEmitterNode(fileNamed: "fireflies.sks")
mySprite.addChild(sparkEmmiter)
// 3) I'd set the emitters targetNode to the scene.
sparkEmmiter.targetNode = self
// 4) Then I'd just animate the sprite itself in an arc.
var circle: CGPathRef? = nil
circle = CGPathCreateWithEllipseInRect(CGRectMake(400, 200, 200, 200), nil)
let followTrack = SKAction.followPath(circle!, asOffset: false, orientToPath: true, duration: 3.0)
let followTrackForever = SKAction.repeatActionForever(followTrack)
//sparkEmmiter.runAction(followTrackForever)
sparkEmmiter.particleAction = followTrackForever;
----------------更新 2-------------------- --------------------------
明白了!感谢 hamobi :D 这是结果 :D:D
最佳答案
如果我是你,我会制作一个 Sprite 并在你小时候的第一个例子中添加发射器。我会将发射器 targetNode 设置为场景。然后我只是在弧形中为 Sprite 本身设置动画。
编辑:
好的,所以您缺少的主要内容是您应该忘记使用 particleAction
。让 mySprite
运行 followTrackForever
Action 。
这是我的代码
//If I were you:
// 1) I'd make a sprite and
let texture = SKTexture(imageNamed: "spark")
let mySprite = SKSpriteNode(texture: texture)
mySprite.position = CGPoint(x: self.size.width/2, y: self.size.height/2)
self.addChild(mySprite)
// 2) add the emitter in your first example as a child.
let sparkEmmiter = SKEmitterNode(fileNamed: "fireflies.sks")
mySprite.addChild(sparkEmmiter)
// 3) I'd set the emitters targetNode to the scene.
sparkEmmiter.targetNode = self
// 4) Then I'd just animate the sprite itself in an arc.
var circle: CGPathRef? = nil
circle = CGPathCreateWithEllipseInRect(CGRectMake(100, 200, 200, 200), nil)
let followTrack = SKAction.followPath(circle!, asOffset: false, orientToPath: true, duration: 3.0)
let followTrackForever = SKAction.repeatActionForever(followTrack)
mySprite.runAction(followTrackForever)
我的粒子截图
我的粒子在行动
关于objective-c - 无法让粒子跟随 spriteKit 中的路径,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29382541/