---
title: "Quintic Ease"
description: "Demonstrates the Quintic easing functions (Quint.in, Quint.out, and Quint.inout) to create smooth animations with dramatic acceleration and deceleration."
phaser: "4.1.0"
size: "800x600"
files: 1
url: https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/quintic
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.

# Quintic Ease

Demonstrates the Quintic easing functions (Quint.in, Quint.out, and Quint.inout) to create smooth animations with dramatic acceleration and deceleration.

A Phaser 4.1.0 example in [Tweens / Eases](https://phaser.io/oss/examples/v4.1.0/tweens/eases.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/tweens/eases/view/quintic.

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

### quintic.js

```js
class Example extends Phaser.Scene
{
    constructor ()
    {
        super();
    }

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v410');
        this.load.image('bg', 'assets/tweens/space.png');
        this.load.image('ufo1', 'assets/tweens/ufo1.png');
        this.load.image('ufo2', 'assets/tweens/ufo2.png');
        this.load.image('ufo3', 'assets/tweens/ufo3.png');
    }

    create ()
    {
        this.add.image(400, 300, 'bg');
        this.add.text(20, 20, 'Quintic Ease').setFontSize(32).setShadow(2, 2);

        this.add.text(750, 70, 'Quint.in').setShadow(2, 2).setOrigin(1, 0);
        this.add.text(750, 255, 'Quint.out').setShadow(2, 2).setOrigin(1, 0);
        this.add.text(750, 440, 'Quint.inOut').setShadow(2, 2).setOrigin(1, 0);

        const ufo1 = this.add.image(100, 140, 'ufo1');
        const ufo2 = this.add.image(100, 325, 'ufo2');
        const ufo3 = this.add.image(100, 510, 'ufo3');

        this.tweens.add({
            targets: ufo1,
            x: 700,
            duration: 2000,
            repeat: -1,
            hold: 500,
            repeatDelay: 500,
            ease: 'quint.in'
        });

        this.tweens.add({
            targets: ufo2,
            x: 700,
            duration: 2000,
            repeat: -1,
            hold: 500,
            repeatDelay: 500,
            ease: 'quint.out'
        });

        this.tweens.add({
            targets: ufo3,
            x: 700,
            duration: 2000,
            repeat: -1,
            hold: 500,
            repeatDelay: 500,
            ease: 'quint.inout'
        });
    }
}

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

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

## More in Eases

- [Back Ease Graph](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/back-graph.md): Visualizes the curves of Back easing functions (In, Out, and InOut) by plotting a tweened object's path onto a graph.
- [Back Easing Functions](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/back.md): This example demonstrates the 'Back' easing functions (In, Out, and InOut), showing how tweens can overshoot their start or end positions for an elastic movement effect.
- [Bounce Ease](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/bounce.md): A comparison of the bounce easing functions (bounce.in, bounce.out, and bounce.inout) showing how they apply a bouncing motion at the start, end, or both ends of a tween.
- [Bounce Ease Variations](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/bounce-graph.md): Visualize the motion curves of different Bounce ease types (In, Out, and InOut) as they are graphed in real-time.
- [Circular Easing](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/circular.md): A demonstration of the Circular easing functions (Circ.in, Circ.out, and Circ.inOut) applied to multiple tweened objects.
- [Circular Easing Graph](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/circular-graph.md): Visualize the curves of different Circular easing functions (circ.in, circ.out, and circ.inout) using a moving target and a Graphics path.
- [Cubic Easing Graph](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/cubic-graph.md): Visualize the trajectory of Cubic ease functions (In, Out, and InOut) by plotting their movement over time using a Graphics object and a RenderTexture.
- [Cubic Easing Variations](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/cubic.md): This example demonstrates the differences between Cubic In, Cubic Out, and Cubic InOut easing functions within Phaser tweens.
- [Ease Equations](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/ease-equations.md): A visual comparison of all built-in easing functions in Phaser, demonstrating how different equations affect the speed and motion of tweens.
- [Ease Mixer](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/ease-mixer.md): Demonstrates how to apply different easing functions to individual properties within a single tween to create complex motion paths by mixing ease types for the X and Y axes.
- [Ease Parameters](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/ease-params.md): Demonstrates how to pass custom arguments to easing functions using the easeParams property, such as adjusting the overshoot amount for the Back ease.
- [Exponential Ease Visualizer](https://phaser.io/oss/examples/v4.1.0/tweens/eases/view/exponential-graph.md): Visualizes exponential easing functions (In, Out, and InOut) by plotting their movement curves in real-time using a tween and Graphics object.
- [All 22 examples in Eases](https://phaser.io/oss/examples/v4.1.0/tweens/eases.md)

---

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