---
title: "Rectangle to Values Intersection"
description: "Demonstrates checking for an intersection between a Rectangle and a set of boundary values (left, right, top, and bottom) representing other shapes."
phaser: "4.1.0"
size: "800x600"
files: 1
url: https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/rectangle-to-values
site: Phaser - https://phaser.io
---

> This page is about the open-source Phaser framework, for writing a game's code by hand. To make a game with AI, use Phaser AE (https://phaser.io/): the desk's tools work with Web MCP, and the CLI works with your own coding agent. See "For AI agents: Phaser AE" at the end of this page.

# Rectangle to Values Intersection

Demonstrates checking for an intersection between a Rectangle and a set of boundary values (left, right, top, and bottom) representing other shapes.

A Phaser 4.1.0 example in [Geom / Intersects](https://phaser.io/oss/examples/v4.1.0/geom/intersects.md). It runs at 800 × 600, and loads its assets from https://cdn.phaserfiles.com/v410. See it running, with its code, at https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/rectangle-to-values.

To run it, load Phaser 4.1.0 (`https://cdn.jsdelivr.net/npm/phaser@4.1.0/dist/phaser.min.js`), then the file, on a page with a `<div id="game-container">`.

## Code

### rectangle to values.js

```js
class Example extends Phaser.Scene
{
    create ()
    {
        const graphics = this.add.graphics();

        const rect = new Phaser.Geom.Rectangle(325, 250, 150, 100);
        const triangle = Phaser.Geom.Triangle.BuildEquilateral(200, 50, 200);
        const circle = new Phaser.Geom.Circle(600, 130, 80);
        const ellipse = new Phaser.Geom.Ellipse(200, 450, 150, 90);
        const line = new Phaser.Geom.Line(550, 400, 650, 550);

        const shapes = [ triangle, circle, ellipse, line ];

        this.input.on('pointermove', pointer =>
        {

            Phaser.Geom.Rectangle.CenterOn(rect, pointer.x, pointer.y);

            redraw();
        });

        redraw();

        function redraw ()
        {
            graphics.clear();

            graphics.lineStyle(2, 0xaaaa00);

            graphics.strokeTriangleShape(triangle);
            graphics.strokeCircleShape(circle);
            graphics.strokeEllipseShape(ellipse);
            graphics.strokeLineShape(line);

            graphics.lineStyle(2, 0x0000aa);

            for (let i = 0; i < shapes.length; i++)
            {
                const shape = shapes[i];
                if (Phaser.Geom.Intersects.RectangleToValues(rect, shape.left, shape.right, shape.top, shape.bottom))
                {
                    graphics.lineStyle(2, 0xaa0000);
                    break;
                }
            }

            graphics.strokeRectShape(rect);
        }
    }
}

const config = {
    scale: { mode: Phaser.Scale.FIT },
    width: 800,
    height: 600,
    type: Phaser.AUTO,
    parent: 'game-container',
    scene: Example
};

const game = new Phaser.Game(config);
```

## More in Intersects

- [Circle to Circle Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/circle-to-circle.md): Demonstrates how to check for overlaps between two circles using the CircleToCircle intersection test.
- [Line to Circle Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/line-to-circle.md): Demonstrates intersection testing between a rotating line and a circle that follows the pointer.
- [Line to Line Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/line-to-line.md): Demonstrates how to check for an intersection point between two geometric lines. One line rotates continuously while the other follows the mouse pointer.
- [Line to Rectangle Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/line-to-rectangle.md): Demonstrates how to detect if a rotating line segment intersects with a rectangle using Phaser.Geom.Intersects.LineToRectangle.
- [Point to Line Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/point-to-line.md): Demonstrates checking if a point lies exactly on a line segment using the PointToLine intersection test.
- [Point To Line Segment](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/point-to-line-segment.md): Demonstrates checking if a point lies exactly on a specific line segment using the PointToLineSegment intersection test.
- [Rectangle Intersection Area](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/get-rectangle-intersection.md): Calculates and renders a new rectangle representing the overlapping intersection area of two rectangles.
- [Rectangle to Circle Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/rectangle-to-circle.md): Demonstrates checking for an intersection between a Circle and a Rectangle geometry object. The shapes change color when they overlap.
- [Rectangle to Rectangle Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/rectangle-to-rectangle.md): Demonstrates how to check for intersection between two Rectangle geometry objects using the RectangleToRectangle function.
- [Rectangle to Triangle Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/rectangle-to-triangle.md): Demonstrates checking for intersection between a static Rectangle and a rotating Triangle that follows the pointer.
- [Triangle To Circle Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/triangle-to-circle.md): Demonstrates intersection detection between a rotating triangle and a movable circle using Phaser.Geom.Intersects.TriangleToCircle.
- [Triangle to Line Intersection](https://phaser.io/oss/examples/v4.1.0/geom/intersects/view/triangle-to-line.md): Demonstrates intersection testing between a rotating triangle and a line segment controlled by the pointer.
- [All 14 examples in Intersects](https://phaser.io/oss/examples/v4.1.0/geom/intersects.md)

---

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