https://github.com/defmech/random-position-on-the-surface-of-a-sphere

Sometimes you just need to postion things on the surface of a sphere. Here are a few methods I've used over the years.
https://github.com/defmech/random-position-on-the-surface-of-a-sphere

javascript three-js trigonometry

Last synced: 3 months ago
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Sometimes you just need to postion things on the surface of a sphere. Here are a few methods I've used over the years.

• Host: GitHub
• URL: https://github.com/defmech/random-position-on-the-surface-of-a-sphere
• Owner: defmech
• License: mit
• Created: 2017-10-12T10:49:19.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2017-10-12T13:12:58.000Z (about 7 years ago)
• Last Synced: 2024-07-18T16:33:07.345Z (4 months ago)
• Topics: javascript, three-js, trigonometry
• Language: JavaScript
• Size: 1.43 MB
• Stars: 22
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Random Position On The Surface Of A Sphere

Sometimes you just need to postion things on the surface of a sphere. Here are a few methods I've used over the years.

Blog post coming soon.

getCartesianPositions(100000, 50) Note the vertical clustering. 😬 ![getCartesianPositions(100000, 50)](screenshots/Vec3.png?raw=true)

getSphericalPositions(100000, 50) Note the clustering at the poles. 😠 ![getSphericalPositions(100000, 50)](screenshots/Spherical.png?raw=true)

getSphericalPositionsWithBias(100000, 50, 1) Clustering at the equator! 😢 ![getSphericalPositionsWithBias(100000, 50, 1)](screenshots/Spherical%20Bias%201.png?raw=true)

getSphericalPositionsWithBias(100000, 50, 0.5) 🙂 ![getSphericalPositionsWithBias(100000, 50, 0.5)](screenshots/Spherical%20bias%200.5.png?raw=true)

getUniformPositions(10000, 50) ![getUniformPositions(10000, 50)](screenshots/Uniform.png?raw=true)