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Three.js is a JavaScript 3D Library which makes use of WebGL
1
vote
Position object in FOV in threejs
You need the camera's properties for the following formula, mainly the angles of the camera, the position of the camera, vertical FOV, the aspect ratio (width / height), the near and the far clipping …
0
votes
Center Perspective Camera on Coordinates
You can just use camera.lookAt(Vector3):
perspectiveCamera.lookAt(coordinates);
1
vote
How would I process accelerometer data to use it for camera rotation?
You don't need to use the accelerometer, there's already a way to get the device's orientation with the deviceorientation event:
addEventListener("deviceorientation", function(e) {
// This functi …
2
votes
Accepted
How to orient a layer to connect 2 points AND facing the camera
Take the vector pointing from the first point to the second and also the vector from the first point to the camera position, take their cross product. This creates a vector perpendicular to the other …