Arras.IO/Diep.IO 3D Effect

3D effect for arras.io and diep.io. No performance issues!

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Arras.IO/Diep.IO 3D Effect
// @namespace    http://tampermonkey.net/
// @version      0.0.1
// @description  3D effect for arras.io and diep.io. No performance issues!
// @author       Zertalious (Zert)
// @match        *://diep.io/*
// @match        *://arras.io/*
// @icon         https://www.google.com/s2/favicons?domain=diep.io
// @grant        none
// @require      https://unpkg.com/three@latest/build/three.min.js
// @run-at       document-end
// ==/UserScript==

window.Image = new Proxy( window.Image, {
	construct() {

		const result = Reflect.construct( ...arguments ); 

		result.crossOrigin = 'anonymous';

		return result;

	}
} );

const canvas = document.getElementById( 'canvas' );

canvas.style.opacity = '0';

const renderer = new THREE.WebGLRenderer( { alpha: true } );

renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );

renderer.domElement.style.position = 'absolute';
renderer.domElement.style.left = '0';
renderer.domElement.style.top = '0';
renderer.domElement.style.pointerEvents = 'none';

canvas.parentNode.insertBefore( renderer.domElement, canvas );

const scene = new THREE.Scene();

scene.background = new THREE.Color( 'red' );

const camera = new THREE.PerspectiveCamera( 60, 1, 0.1, 1000 );

camera.position.z = Math.sin( Math.PI / 3 ) * 2;

const texture = new THREE.CanvasTexture( canvas );

texture.minFilter = texture.magFilter = THREE.LinearFilter;

const material = new THREE.RawShaderMaterial( {
	vertexShader: `

		attribute vec3 position;

		varying vec3 vPosition;

		void main() {

			vPosition = position;

			gl_Position = vec4( position, 1.0 );

		}

		`,
	fragmentShader: `

		precision mediump float;

		uniform sampler2D mainTexture;
		uniform float depth;

		uniform mat4 modelViewMatrix;
		uniform mat4 projectionMatrix;

		varying vec3 vPosition;

		void main() {

			vec3 groundColor = vec3( 0.803921568627451, 0.803921568627451, 0.803921568627451 );
			vec3 red = vec3( 0.8666666666666667, 0.6745098039215687, 0.6784313725490196 );
		
			vec4 a, b;

			const int count = 20;

			for ( int i = 0; i <= count; i ++ ) {

				vec3 position = vec3( vPosition.xy, float( i ) / float( count ) * depth );

				vec4 transformed = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );

				vec2 uv = transformed.xy / transformed.w * 0.5 + 0.5;

				if ( uv.x < 0.0 || uv.x > 1.0 || uv.y < 0.0 || uv.y > 1.0 ) {

					b = vec4( groundColor, 1.0 ); 

				} else {

					b = texture2D( mainTexture, uv );

				}

				if ( length( b.rgb - groundColor ) < 0.22 || length( b.rgb - red ) < 0.1 ) {

					if ( i != count ) {

						b.a = 0.0;

					}

				} else if ( i != 0 ) {

					b.rgb = groundColor * 0.8;

				}

				a.rgb = a.rgb * a.a + b.rgb * b.a * ( 1.0 - a.a );
				a.a = a.a + b.a * ( 1.0 - a.a );

			}

			gl_FragColor = a;

		}

		`,
		uniforms: {
		mainTexture: { value: texture },
		depth: { value: 0.2 }
    }
} );

const geometry = new THREE.PlaneGeometry( 2, 2 );

const mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );

window.addEventListener( 'resize', function () {

	renderer.setSize( window.innerWidth, window.innerHeight );

}, false );

function animate() {

	texture.needsUpdate = true;

	renderer.render( scene, camera );

	window.requestAnimationFrame( animate );

}

animate();