如何在RealityKit中为转换设置动画 [英] How to animate a transform in RealityKit

问题描述

在我的>上一个问题中我已经找到了如何仅在对象上的一个轴上进行旋转变换，现在我希望将其动画化。

In my previous question I already found how to put a rotation transform over only one axis on an object, now I want this to be animated.

有没有办法做到这一点？

Is there a way to do this in RealityKit?

推荐答案

动画旋转：

Rotation with animation:

复制框的当前变换

copy the box's current transform

var rotationTransform = boxAnchor.steelBox?.transform

将框设置为在z轴上旋转90度

set the box to rotate 90 degrees over z-axis

rotationTransform?.rotation = simd_quatf(angle: .pi/2, axis: [0,0,1])

将框移动到10秒钟以内的新转换

move the box to the new transform over 10s

boxAnchor.steelBox?.move(to: rotationTransform!, relativeTo: boxAnchor.steelBox?.parent, duration: 10, timingFunction: .easeInOut)

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带有动画的翻译

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Translation with animation:

var translationTransform = boxAnchor.steelBox?.transform

translationTransform?.translation = SIMD3<Float>(x: 5, y: 0, z: 0)

boxAnchor.steelBox?.move(to: translationTransform!, relativeTo: boxAnchor.steelBox?.parent, duration: 10, timingFunction: .easeInOut)

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带有动画的缩放比例：

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Scale with animation:

var scaleTransform = boxAnchor.steelBox?.transform

scaleTransform?.scale = SIMD3<Float>(x: 1, y: 1, z: 1)

boxAnchor.steelBox?.move(to: scaleTransform!, relativeTo: boxAnchor.steelBox?.parent, duration: 10, timingFunction: .easeInOut)

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