What problem does it solve? Phaser 4 developers need accurate API details for geometry objects, vectors, matrices, intersection tests, easing, and random number generation, and this Skill provides a complete reference so code is written correctly the first time. ## Core Features & Use Cases - Geometry Classes: Covers Circle, Ellipse, Line, Polygon, Rectangle, and Triangle with constructors, properties, static helpers, and containment tests. - Intersection Tests: Documents all Phaser.Geom.Intersects boolean checks and Get* functions that return intersection points. - Math Utilities: Details Vector2, Vector3, Matrix4, angles, distances, interpolation, easing, snapping, fuzzy comparison, and the seeded RandomDataGenerator. - Use Case: When building a Pachinko-style game, use this Skill to compute peg collision angles with Phaser.Math.Angle.Between, test ball-to-zone overlap with Intersects.CircleToRectangle, and generate reproducible board layouts with a seeded RandomDataGenerator. ## Quick Start Ask the AI to show how to test whether a circle overlaps a rectangle and compute the bounce angle using Phaser 4 geometry and math utilities.