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@pixi/math
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Package description
@pixi/math is a utility library for mathematical operations and geometric transformations, primarily used in conjunction with the PixiJS rendering library. It provides a set of classes and functions to handle common mathematical tasks such as vector operations, matrix transformations, and geometric calculations.
Vector Operations
The @pixi/math package provides a Point class for 2D vector operations. You can create points, add them, and perform other vector operations.
const { Point } = require('@pixi/math');
const point1 = new Point(10, 20);
const point2 = new Point(30, 40);
const result = point1.add(point2);
console.log(result); // Point { x: 40, y: 60 }
Matrix Transformations
The Matrix class allows for complex 2D transformations including translation, scaling, and rotation. This is useful for manipulating objects in a 2D space.
const { Matrix } = require('@pixi/math');
const matrix = new Matrix();
matrix.translate(10, 20);
matrix.scale(2, 2);
console.log(matrix); // Matrix { a: 2, b: 0, c: 0, d: 2, tx: 10, ty: 20 }
Rectangle and Circle Geometry
The package includes classes for geometric shapes like Rectangle and Circle, which provide methods to check for containment and intersection.
const { Rectangle, Circle } = require('@pixi/math');
const rect = new Rectangle(0, 0, 100, 100);
const circle = new Circle(50, 50, 25);
console.log(rect.contains(50, 50)); // true
console.log(circle.contains(50, 50)); // true
gl-matrix is a high-performance matrix and vector library for WebGL. It provides similar functionalities for vector and matrix operations but is more focused on 3D transformations and is widely used in WebGL applications.
mathjs is a comprehensive math library for JavaScript and Node.js. It offers a wide range of mathematical functions and supports complex numbers, matrices, and units. While it is more general-purpose, it can be used for similar vector and matrix operations.
Three.js is a popular 3D library that includes its own set of mathematical utilities for 3D transformations, including vectors, matrices, and quaternions. It is more focused on 3D rendering but provides similar mathematical functionalities.
Readme
npm install @pixi/math
import * as math from '@pixi/math';
FAQs
Collection of math utilities
We found that @pixi/math demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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