oo-mat
2D Vector / 3D Matrix library
Installation
npm install oo-mat
Vector2D
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
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
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