!npm

js-graphics-math

Math library for JavaScript 2D/3D graphics rendering.

Classes

The following classes available under src folder.

- Vector2
- Vector3
- Matrix3
- Matrix4
- Quaternion
- BoundingBox 2D
- BoundingBox 3D
- KDTree for 2D points
- KDTree for 3D points
- KDTree for 3D triangles
- OCTree for 3D triangles
- Ray
- Color3 (RGB)
- Color4 (RGBA)

Functions

Functions below available at 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

Related Libraries

- cpp-graphics-module (A C++ version of this library)

https://github.com/jingwood/cpp-graphics-module

License

Released under MIT License.

Copyright (C) Jingwood & unvell.com, all rights reserved.