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- func addAnimation(node: SCNNode) {
- let rotateOne = SCNAction.rotateBy(x: 0, y: CGFloat(Float.pi), z: 0, duration: 5.0)
- let hoverUp = SCNAction.moveBy(x: 0, y: 0.2, z: 0, duration: 2.5)
- let hoverDown = SCNAction.moveBy(x: 0, y: -0.2, z: 0, duration: 2.5)
- let hoverSequence = SCNAction.sequence([hoverUp, hoverDown])
- let rotateAndHover = SCNAction.group([rotateOne, hoverSequence])
- let repeatForever = SCNAction.repeatForever(rotateAndHover)
- node.runAction(repeatForever)
- }
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