# \#unproject

**URL:** https://discourse.threejs.org/tag/unproject/536.md

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## [Data loss in Vector3.project(this.camera) function](https://discourse.threejs.org/t/data-loss-in-vector3-project-this-camera-function/46227)

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**Author:** [@mahadi](https://discourse.threejs.org/u/mahadi)\
**Replies:** 15\
**Last updated:** [January 12, 2023, 1:29am UTC](https://discourse.threejs.org/t/data-loss-in-vector3-project-this-camera-function/46227 "2023-01-12T01:29:30Z")

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Hi, with due respect. I have two points named A, B. These points have float values for ther x,y,z axis of upto 15 digits. Now when I find the difference between the two points, A.distnaceTo(B) I get their distance in Wor…

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## [Failed to unproject vector using orthogonal camera](https://discourse.threejs.org/t/failed-to-unproject-vector-using-orthogonal-camera/28102)

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**Author:** [@Majeawikab](https://discourse.threejs.org/u/Majeawikab)\
**Replies:** 2\
**Last updated:** [July 19, 2021, 1:49pm UTC](https://discourse.threejs.org/t/failed-to-unproject-vector-using-orthogonal-camera/28102 "2021-07-19T13:49:23Z")

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Hello, I have an orthographic camera defined like this: new three.OrthographicCamera(20 \* aspectRatio / -2, 20 \* aspectRatio / 2, 20 / 2, 20 / -2, -1000, 1000) The canvas takes up the whole space. The camera position …

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## [What are some simple ways to have an object stay at the fixed position on the screen, regardless of the camera's state?](https://discourse.threejs.org/t/what-are-some-simple-ways-to-have-an-object-stay-at-the-fixed-position-on-the-screen-regardless-of-the-cameras-state/14076)

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**Author:** [@White](https://discourse.threejs.org/u/White)\
**Replies:** 1\
**Last updated:** [April 4, 2020, 10:35pm UTC](https://discourse.threejs.org/t/what-are-some-simple-ways-to-have-an-object-stay-at-the-fixed-position-on-the-screen-regardless-of-the-cameras-state/14076 "2020-04-04T22:35:20Z")

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Hello, I tried making some of the objects in the scene stay in the same position in relation to the camera (same position on the screen), regardless of its rotation around the centre, but none of the things I tried worke…