如何快速从SKSpriteNode
数组中为CGPoints
设置动画?我还希望SKSpriteNode
旋转到下一个位置。任何帮助,将不胜感激。
最佳答案
根据@KnightOfDragon的建议,您可以创建一条路径并使节点遵循该路径,如下所示:
class GameScene: SKScene {
override func didMove(to view: SKView) {
//1. create points
let points = [
CGPoint(x:frame.minX,y:frame.minY),
CGPoint(x:frame.maxX,y:frame.maxY),
CGPoint(x:frame.maxX,y:frame.midY),
CGPoint.zero
]
//2. Create a path
let path = CGMutablePath()
//3. Define starting point
path.move(to: points[0])
//4. Add additional points
for point in points[1..<points.count]{
print("point : \(point)")
path.addLine(to: point)
}
//5. Create an action which will make the node to follow the path
let action = SKAction.follow(path, speed: 122)
let sprite = SKSpriteNode(color: .white, size: CGSize(width: 100, height: 100))
addChild(sprite)
sprite.run(action, withKey: "aKey")
}
}
如果您希望节点定向到它遵循的路径(
zRotation
属性具有动画效果,以便节点转向遵循该路径),这可能比接受的答案更方便。
关于ios - 如何在Sprite Kit中通过一组CGPoint进行动画制作-Swift,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43845041/