Swift SpriteNode初始角度

Question

我正在尝试将精灵的初始角度设置为 90 度。我不想调用动作，有没有办法像设置位置一样设置精灵的角度参数？

Answer 1

z旋转

您可以使用 SKNode 的 zRotation 属性 接受辐射

度数到辐射度

一个有用的扩展

extension Int {
    var degreesToRadians: Double { return Double(self) * M_PI / 180 }
    var radiansToDegrees: Double { return Double(self) * 180 / M_PI }
}

sprite.zRotation = CGFloat(90.degreesToRadians)

来自 Api 文档

The Euler rotation about the z axis (in radians).

The default value is 0.0, which indicates no rotation. A positive value indicates a counterclockwise rotation. When the coordinate system is rotated, it affects the node and its descendants. The rotation affects the node’s frame property, hit testing, rendering, and other similar characteristics.

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耀西岛图像来自 here。