oo-mat

2D Vector / 3D Matrix library

Installation

npm install oo-mat

Vector2D

Source

Memory Layout

[0, 1] == [x, y]

Functions

Vector2D.create()
Vector2D.setVector(out, v)
Vector2D.setScalar(out, x, y)
Vector2D.add(out, v, w)
Vector2D.subtract(out, v, w)
Vector2D.multiplyScalar(out, v, c)
Vector2D.multiplyVector(out, v, w) == Vector2D.dot(out, v, w)
Vector2D.length2(v) => Number
Vector2D.length(v) => Number
Vector2D.distance2(v, w) => Number
Vector2D.distance(v, w) => Number
Vector2D.normalize(out, v) Vector2D.offsetTowardsAngle(out, vertex, distance, angle) Vector2D.offsetTowardsVertex(out, vertex, distance, target)

Matrix3D

Source

Memory Layout

[0, 1, 2] [a, b, c] [3, 4, 5] == [d, e, f] [6, 7, 8] [g, h, i]

Functions

Matrix3D.create()
Matrix3D.createIdentity()
Matrix3D.setMatrix(out, m)
Matrix3D.setScalar(out, a, b, c, d, e, f, g, h, i)
Matrix3D.setZero(out)
Matrix3D.setIdentity(out)
Matrix3D.add(out, m, n)
Matrix3D.subtract(out, m, n)
Matrix3D.multiplyScalar(out, m, c)
Matrix3D.multiplyVector2D(out, m, v)
Matrix3D.multiplyVector3D(out, m, v)
Matrix3D.multiplyMatrix3D(out, m, v)
Matrix3D.setTranslation(out, x, y)
Matrix3D.setTranslationVector(out, v)
Matrix3D.translate(out, m, x, y)
Matrix3D.setRotation(out, angle)
Matrix3D.rotate(out, m, angle)
Matrix3D.setScaling(out, x, y)
Matrix3D.scale(out, m, x, y)

Line2D

Source

Functions

Line2D.containsVertex(v, w, target) => Boolean
Line2D.intersect(out, v1, w1, v2, w2) => Boolean
Line2D.intersectAxisX(out, v, w, y) => Boolean
Line2D.intersectAxisY(out, v, w, x) => Boolean
Line2D.perpendicular(v1, w1, v2, out)
Line2D.distance2ToVertex(v, w, target) => Number
Line2D.distanceToVertex(v, w, target) => Number
Line2D.segmentLength(v, w) => Number
Line2D.segmentContainsVertex(v, w, target) => Boolean
Line2D.segmentIntersect(out, v1, w1, v2, w2) => Boolean
Line2D.segmentDistance2ToVertex(v, w, target) => Number
Line2D.segmentDistanceToVertex(v, w, target) => Number