Phaser 4 — Geometry and Math

Geom classes (Circle, Ellipse, Line, Polygon, Rectangle, Triangle), intersection tests, and Math utilities (Vector2, Vector3, Matrix4, angles, distances, interpolation, easing, random, snap, clamp).

Related skills: graphics-and-shapes.md, physics-arcade.md

Quick Start

// Create geometry objects (these are data only, not renderable)
const rect = new Phaser.Geom.Rectangle(10, 20, 200, 100);
const circle = new Phaser.Geom.Circle(400, 300, 50);
const line = new Phaser.Geom.Line(0, 0, 100, 100);

// Point containment
rect.contains(50, 50);    // true
circle.contains(410, 310); // true