augmented-reality

来源： https://stackoverflow.com/questions/63662318/arkit-apply-cifilter-to-a-specific-vertices-of-arfaceanchor

来源： https://stackoverflow.com/questions/63662318/arkit-apply-cifilter-to-a-specific-vertices-of-arfaceanchor

来源： https://stackoverflow.com/questions/63662318/arkit-apply-cifilter-to-a-specific-vertices-of-arfaceanchor

问题 In this video an object is given an animation to hover around the room when placed and then when tapped it gets dropped down with another animation. How can I add this kind of animations in my project? Is adding an already animated object the only way? Thank you https://youtu.be/OS_kScr0XkQ 回答1: I think the hovering up and down is most likely an animation sequence. The following animation sequence for a hovering effect will work inside the first drop down selection function. let moveDown =

问题 I'm new to iPhone app developing, though have experience in graphics programming in OpenGL. I'm creating an iPhone app that I intend to display realistic/high-quality renders within AR. Whilst experimenting with these 3 options, I'm still unsure which of them I should go forward with developing my app's framework around: SceneKit, RealityKit and Metal. I've read that SceneKit is built on top of Metal, but I'm not sure whether its worth the time/effort programming any custom shaders as opposed

问题 I am trying to use projectPoint to get the 2D information of the updated SCNNode in scenekit and save them. Based on ignotusverum's suggestion, I am able to save the SCNNode in to a path in a button. var lastPosition: CGPoint? func renderer(_ renderer: SCNSceneRenderer, didUpdate node: SCNNode, for anchor: ARAnchor) { guard anchor == currentFaceAnchor, let contentNode = selectedContentController.contentNode, contentNode.parent == node else { return } for (index, vertex) in vertices.enumerated

问题 After some testings by printing faceAnchor.transform.columns.3 , digging in SO: ARFaceAnchor have negative Z position? and Apple's documentation: ARFaceAnchor, I realized that the z axis is actually flipped and it is not the right-handed coordinate system as in the documentation. The ARFaceAnchor claims the coordinate: the positive x direction points to the viewer’s right (that is, the face’s own left), the positive y direction points up (relative to the face itself, not to the world), and

问题 After some testings by printing faceAnchor.transform.columns.3 , digging in SO: ARFaceAnchor have negative Z position? and Apple's documentation: ARFaceAnchor, I realized that the z axis is actually flipped and it is not the right-handed coordinate system as in the documentation. The ARFaceAnchor claims the coordinate: the positive x direction points to the viewer’s right (that is, the face’s own left), the positive y direction points up (relative to the face itself, not to the world), and

问题 I am doing this Augmented Reality project starting from Xcode's default AR project. I need to know the focal length of the camera used by ARKit. This page defines Focal Length well: Focal length, usually represented in millimeters (mm), is the basic description of a photographic lens. It is not a measurement of the actual length of a lens, but a calculation of an optical distance from the point where light rays converge to form a sharp image of an object to the digital sensor or 35mm film at

问题 It's my first time working with Augmented Reality and ARKit. I want to know if I am missing something, I've been looking for a solution for a long time. What I would like to do is sectioning my 3D house horizontally so I can see my house floor by floor or sectioning the house by Y height; like it's shown in these two images from the CAD Exchanger software. I've seen some applications using this tool, but I couldn't find a way to do it. ( PS: I have a 3D house implemented by AutoCAD) Is there