diffuse(SCNMaterial属性): The diffuse property specifies the amount of light diffusely reflected from the surface. The diffuse light is reflected equally in all directions and is therefore independent of the point of view. 漫反射属性指定从表面漫反射的光量。漫射光在各个方向上反射均匀,因此与视点无关...
camera拍摄下来的n个2D点的集合，再加上camera本身的内部的参数，可以推算出这些点的位置坐标（X,Y,Z...
VR cuts users off from their environment, fully immersing them in a virtual world. Meanwhile, AR overlays virtual objects, UIs, and characters on top of the user's real-world environment. Mixed reality (MR) can refer to a headset that incorporates elements of both. All of these technologies...
Development might be slow these days, but the small selection of original cars and tracks is awesome. There’s no licensed content here – everything’s built from the ground up with sim drifting in mind. The basic version is free to try, which makes it a perfect entry point for VR sim...
However, the disadvantage of these VRs is that you will need to have them connected to the source constantly. With this VR, you have little freedom as you are already exhausted from the cords hanging around your neck. The major downside of this VR is this. It needs a compatible PC in ...
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From that point on, the Oculus runtime compositor handles the rest of the PTW reprojection during the Timewarp & distortion stage. 对于PTW,我们感兴趣的是跟踪空间单元中每个像素到渲染相机的距离。如果VR应用程序只提交深度缓冲区,而没有额外的元数据,Oculus运行时将没有足够的信息来重新计算像素的原始线性...
The headset will focus on VR with some limited AR capabilities, but Apple has deeper augmented reality ambitions. After the AR/VR headset, Apple is expected to come out with a set of augmented reality glasses that will look similar to standard glasses but with AR capabilities. ...
Virtual reality hasbeen “right around the corner” for more than a decade. A lot of lofty promises have been made by everyone from indie startups to Apple about how the future of computing is going to involve strapping screens to our eyeballs. As it turns out, VR is still primarily be...
When using ARView of RealityKit, I can code like this let results = arView.raycast(from: point, allowing: .estimatedPlane, alignment: .any) to get the 3D position of where I tap on the plane. In iOS 18, we can use RealityView and I found that unproject(_:from:to:ontoPlane:) may...