---
title: "Radial Gradient Shape Mode"
description: "Demonstrates how to create and animate a radial gradient using shapeMode, including color band configuration and center point positioning."
phaser: "4.1.0"
size: "800x600"
files: 1
url: https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gradient-shape-mode-radial
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.

# Radial Gradient Shape Mode

Demonstrates how to create and animate a radial gradient using shapeMode, including color band configuration and center point positioning.

A Phaser 4.1.0 example in [Game Objects / Gradient](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient.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/game%20objects/gradient/view/gradient-shape-mode-radial.

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

### gradient shape mode radial.js

```js
class Example extends Phaser.Scene
{
    bg;
    gradient;

    create ()
    {
        // Sneaky background gradient
        this.bg = this.add.gradient({
            repeatMode: 3,
            shapeMode: 1,
            start: { x: 0.5, y: 0.5 },
            shape: { x: 0, y: 0.3 },
            bands: [
                {
                    colorStart: 0x6699bb,
                    colorEnd: 0x996699,
                    colorSpace: 1,
                    interpolation: 2,
                }
            ]
        }, 400, 300, 1400, 800)
        .setRotation(-0.25);

        this.gradient = this.add.gradient({
            shapeMode: 2, // RADIAL
            bands: { colorStart: 0xffffff, colorEnd: 0x000000 },
            start: { x: 0.5, y: 0.5 }, // Start at middle
            shape: { x: 0.5, y: 0 } // Transition towards edge
        }, 400, 300, 400, 400);
    }

    update (time, delta)
    {
        const t = this.game.loop.time;
        this.bg.rotation = 0.25 * Math.sin(t / 3000);
        this.gradient.rotation = 0.03 * Math.sin(t / 1234);
        this.gradient.setPosition(
            400 + 16 * Math.sin(t / 876),
            300 + 16 * Math.sin(t / 765)
        );
    }
}

const config = {
    scale: { mode: Phaser.Scale.FIT },
    type: Phaser.WEBGL,
    width: 800,
    height: 600,
    backgroundColor: '#2d2d2d',
    parent: 'game-container',
    scene: Example
};

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

## More in Gradient

- [Advanced Gradient Offsets and Shapes](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/weird-gradient-offsets.md): Demonstrates how different gradient shape modes, such as bilinear and symmetric conic, create unique visual effects like mirroring and kaleidoscopic patterns when their offsets and shapes are manipulated over time.
- [Animate Gradient Offset](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/animate-gradient-offset.md): Demonstrates animating the offset property of a radial gradient and using captureFrame to apply it as a dynamic displacement map for an image.
- [Animated Gauge with Conic Gradient](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gauge-with-masked-gradient.md): Create a color-changing gauge by masking an asymmetrical conic gradient with an animated Graphics arc.
- [Asymmetric Conic Gradient](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gradient-shape-mode-conic-asymmetric.md): This example demonstrates how to create and animate an asymmetric conic gradient, allowing for off-center focal points and custom transition angles.
- [Bilinear Gradient Shape](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gradient-shape-mode-bilinear.md): Demonstrates the bilinear shape mode for gradients, allowing for two-dimensional color transitions based on a defined start point and shape coordinate.
- [Conic Symmetric Gradient Shape](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gradient-shape-mode-conic-symmetric.md): Demonstrates how to create and animate a symmetric conic gradient object, featuring smooth color transitions radiating from a central point.
- [Generating Normal Maps from Gradients](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/create-normal-map-with-gradients.md): Learn how to programmatically create a spherical normal map by combining RGB gradient layers into a Dynamic Texture, then apply it to a light filter for real-time environment mapping.
- [Gradient Flare](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gradient-flare.md): Demonstrates how to create a radial lens flare effect using the Gradient Game Object with multiple color bands and an animated offset.
- [Gradient Repeat Mode Truncate](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gradient-repeat-mode-1-truncate.md): This example demonstrates the Truncate repeat mode for Gradient Game Objects, where the gradient is constrained within its defined shape without repeating or extending beyond its bounds.
- [Gradient Repeat Mode: Extend](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gradient-repeat-mode-0-extend.md): Demonstrates the 'Extend' repeat mode for gradients, where the edge colors are stretched to fill the remainder of the Game Object's area.
- [Gradient Repeat Mode: Sawtooth](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gradient-repeat-mode-2-sawtooth.md): Demonstrates the Sawtooth repeat mode for a Gradient Game Object, creating a repeating linear pattern that resets to the start color at the beginning of every cycle.
- [Gradient Repeat Mode: Triangular](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient/view/gradient-repeat-mode-3-triangular.md): Demonstrates the triangular repeat mode for gradients, which creates a mirrored back-and-forth pattern as the gradient repeats across the Game Object.
- [All 14 examples in Gradient](https://phaser.io/oss/examples/v4.1.0/game%20objects/gradient.md)

---

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