ARKit 1.5 如何获得垂直平面的旋转 [英] ARKit 1.5 how to get the rotation of a vertical plane
问题描述
我正在试验垂直平面,并尝试在墙上放置一个节点,并根据该垂直平面进行正确的旋转.
I'm experimenting with the vertical plane, and I'm trying to place a node on a wall with the correct rotation based on that vertical plane.
这是被点击的垂直平面的 ARHitTestResult:
here's the ARHitTestResult of the vertical plane that gets tapped:
let hitLocation = sceneView.hitTest(touchPoint, types: .existingPlaneUsingExtent)
我尝试了以下方法:
let hitRotation = hitLocation.first?.worldTransform.columns.2
和
let anchor = hitLocation.first?.anchor
let hitRotation = anchor?.transform.columns.2
它们中的任何一个似乎都不起作用.
neither one of them seem to work.
这就是我希望做的:
boardNode.eulerAngles = SCNVector3((hitRotation?.x)!, (hitRotation?.y)!, 0)
如果有人能帮我解决这个问题,我将不胜感激,因为我还没有找到很多关于 ARKit 的教程.
I'd much appreciate it if someone could help me out with this as I can't find a lot of tutorials on ARKit yet.
编辑
所以这是有效的(感谢 Josh):
so here's what worked (thanks to Josh):
let hit = sceneView.hitTest(touchPoint, types: .existingPlaneUsingExtent)
let planeAnchor = hit.first?.anchor as? ARPlaneAnchor
guard let anchoredNode = sceneView.node(for: planeAnchor!) else { return }
let anchorNodeOrientation = anchoredNode.worldOrientation
boardNode.eulerAngles.y = .pi * anchorNodeOrientation.y
注意:在这种情况下,.worldOrientation 比 .rotation 更准确,只是想提一下.
Note: .worldOrientation is way more accurate than .rotation in this case, just wanted to mention this.
推荐答案
这是您要找的吗?在这里,我使用屏幕中心作为 CGPoint 值,但您可以使用触摸等:
Is this what your looking for? Here I am using the screen center for the CGPoint value, but you can use touch etc:
func addObjectToScreen() {
if let hit = self.sceneView?.hitTest(self.viewCenter, types: [.existingPlaneUsingExtent]).last {
let hitTestTransform = SCNMatrix4(hit.worldTransform)
let vector = SCNVector3Make(hitTestTransform.m41, hitTestTransform.m42, hitTestTransform.m43)
node.position = vector
return
}
}
更新:如果你想旋转与平面关联的节点,你可以这样:
Update: If you want to rotation of the node associated with the Plane couldn't you could get it like so:
func renderer(_ renderer: SCNSceneRenderer, didAdd node: SCNNode, for anchor: ARAnchor) {
print(node.rotation)
}
然后根据需要使用它?
进一步更新:
override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
/*
1. Get The Current Touch Location
2. Check That We Have Touched A Valid Node
3. Check That Our Touched Object Is An ARPlane Anchor
*/
guard let touchLocation = touches.first?.location(in: augmentedRealityView),
let hitTest = augmentedRealityView.hitTest(touchLocation, types: .existingPlaneUsingExtent).first,
let planeAnchor = hitTest.anchor as? ARPlaneAnchor
else {
// No Valid Plane Has Been Detected So Hide The Plane Information Label
return
}
//We Have A Valid Plane So Display It's Current Info
guard let anchoredNode = augmentedRealityView.node(for: planeAnchor) else { return }
print(anchoredNode.rotation)
}
这篇关于ARKit 1.5 如何获得垂直平面的旋转的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!