https://github.com/jingwood/js-graphics-math
Math library for JavaScript 2D/3D graphics rendering.
https://github.com/jingwood/js-graphics-math
2d 3d calulation distance graphics intersection javascript js library math matrix ray rendering vector
Last synced: 7 months ago
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Math library for JavaScript 2D/3D graphics rendering.
- Host: GitHub
- URL: https://github.com/jingwood/js-graphics-math
- Owner: jingwood
- License: mit
- Created: 2019-12-05T16:14:19.000Z (almost 6 years ago)
- Default Branch: master
- Last Pushed: 2024-09-12T02:37:39.000Z (about 1 year ago)
- Last Synced: 2024-10-17T17:55:19.693Z (12 months ago)
- Topics: 2d, 3d, calulation, distance, graphics, intersection, javascript, js, library, math, matrix, ray, rendering, vector
- Language: JavaScript
- Size: 527 KB
- Stars: 8
- Watchers: 1
- Forks: 1
- Open Issues: 1
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Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# js-graphics-math
Math library for JavaScript 2D/3D graphics rendering.
# Classes
The following classes available under [src](src) folder.
- [Vector2](src/vec2.js)
- [Vector3](src/vec3.js)
- [Matrix3](src/matrix3.js)
- [Matrix4](src/matrix4.js)
- [Quaternion](src/quaternion.js)
- [BoundingBox 2D](src/bbox2.js)
- [BoundingBox 3D](src/bbox3.js)
- KDTree for 2D points
- KDTree for 3D points
- KDTree for 3D triangles
- [OCTree for 3D triangles](src/spacetree.js)
- [Ray](src/ray.js)
- [Color3 (RGB)](src/color3.js)
- [Color4 (RGBA)](src/color4.js)
# Functions
Functions below available at [src/functions.js](src/functions.js).
## Base math functions
- clamp (1D/2D/3D)
- smoothstep
- angleToArc
## Distance measuring
- distancePointToPoint (2D/3D)
- distancePointToLine (2D)
- distancePointToLineSegment (2D)
- distancePointToRect (2D)
- distancePointToPolygon (2D)
- findNearestPointToLineSegement (2D)
- findNearestPointToPolygon (2D)
## Intersecting test
- lineIntersectsLine (2D)
- lineIntersectsRect (2D)
- lineIntersectsPolygon (2D)
- rectIntersectsRect (2D)
- rectIntersectsPolygon (2D)
- checkLineParallel
## Containing test
- rectContainsPoint (2D)
- triangleContainsPoint (2D)
- polygonContainsPoint (2D)
- polygonContainsRect (2D)
- calcPolygonArea (2D)
## Ray test
- rayIntersectsPlane (3D)
- rayIntersectsTriangle (3D)
- rayIntersectsSphere (3D)
- rayIntersectsBox (3D)
## Vertex interpolation
- **calcVertexInterpolation (3D)**
Calculate the interpolated vertex coordinate on a specified point of a 3D triangle with vertex coordinates.
# Software uses this library
- tarumae-viewer - Optimized WebGL engine for Showcase application
[https://github.com/bulbinc/tarumae-viewer](https://github.com/bulbinc/tarumae-viewer)
# Related Libraries
- cpp-graphics-module (A C++ version of this library)
[https://github.com/jingwood/cpp-graphics-module](https://github.com/jingwood/cpp-graphics-module)
# License
Released under MIT License.
Copyright (C) Jingwood & unvell.com, all rights reserved.