@jingwood/graphics-math v1.1.19

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.