mrdoob · Mugen87 · Apr 1, 2025 · Mar 28, 2025 · Mar 28, 2025 · Mar 28, 2025
diff --git a/examples/files.json b/examples/files.json
@@ -502,7 +502,11 @@
 		"physics_ammo_terrain",
 		"physics_ammo_volume",
 		"physics_jolt_instancing",
-		"physics_rapier_instancing"
+		"physics_rapier_basic",
+		"physics_rapier_instancing",
+		"physics_rapier_joints",
+		"physics_rapier_character_controller",
+		"physics_rapier_vehicle_controller"
 	],
 	"misc": [
 		"misc_animation_groups",

diff --git a/examples/jsm/helpers/RapierHelper.js b/examples/jsm/helpers/RapierHelper.js
@@ -0,0 +1,58 @@
+import { LineSegments, LineBasicMaterial, BufferAttribute } from 'three';
+/**
+ * This class displays all Rapier Colliders in outline.
+ *
+ * @augments LineSegments
+ */
+class RapierHelper extends LineSegments {
+
+	/**
+	 * Constructs a new Rapier debug helper.
+	 *
+	 * @param {RAPIER.world} world - The Rapier world to visualize.
+	 */
+	constructor( world ) {
+
+		super();
+
+		/**
+		 * The Rapier world to visualize.
+		 *
+		 * @type {RAPIER.world}
+		 */
+		this.world = world;
+
+		this.material = new LineBasicMaterial( { vertexColors: true } );
+		this.frustumCulled = false;
+
+	}
+
+	/**
+	 * Call this in the render loop to update the outlines.
+	 */
+	update() {
+
+		const { vertices, colors } = this.world.debugRender();
+
+		this.geometry.deleteAttribute( 'position' );
+		this.geometry.deleteAttribute( 'color' );
+
+		this.geometry.setAttribute( 'position', new BufferAttribute( vertices, 3 ) );
+		this.geometry.setAttribute( 'color', new BufferAttribute( colors, 4 ) );
+
+	}
+
+	/**
+	 * Frees the GPU-related resources allocated by this instance. Call this
+	 * method whenever this instance is no longer used in your app.
+	 */
+	dispose() {
+
+		this.geometry.dispose();
+		this.material.dispose();
+
+	}
+
+}
+
+export { RapierHelper };
diff --git a/examples/jsm/physics/RapierPhysics.js b/examples/jsm/physics/RapierPhysics.js
@@ -1,3 +1,4 @@
+
 import { Clock, Vector3, Quaternion, Matrix4 } from 'three';
 
 const RAPIER_PATH = 'https://cdn.skypack.dev/@dimforge/[email protected]';
@@ -28,6 +29,20 @@ function getShape( geometry ) {
 		const radius = parameters.radius !== undefined ? parameters.radius : 1;
 		return RAPIER.ColliderDesc.ball( radius );
 
+	} else if ( geometry.type === 'CylinderGeometry') {
+
+        const radius = parameters.radiusBottom !== undefined ? parameters.radiusBottom : 0.5;
+		const length = parameters.length !== undefined ? parameters.length : 0.5;
+
+		return RAPIER.ColliderDesc.cylinder( length / 2, radius);
+
+    } else if ( geometry.type === 'CapsuleGeometry') {
+
+        const radius = parameters.radius !== undefined ? parameters.radius : 0.5;
+		const length = parameters.length !== undefined ? parameters.length : 0.5;
+
+		return RAPIER.ColliderDesc.capsule( length / 2, radius);
+
 	} else if ( geometry.type === 'BufferGeometry' ) {
 
 		const vertices = [];
@@ -108,6 +123,10 @@ async function RapierPhysics() {
 
 	}
 
+	function getBody( mesh ){
+        return meshMap.get( mesh );
+    }
+
 	function addMesh( mesh, mass = 0, restitution = 0 ) {
 
 		const shape = getShape( mesh.geometry );
@@ -121,12 +140,14 @@ async function RapierPhysics() {
 			? createInstancedBody( mesh, mass, shape )
 			: createBody( mesh.position, mesh.quaternion, mass, shape );
 
-		if ( mass > 0 ) {
+		//if ( mass > 0 ) {
 
 			meshes.push( mesh );
 			meshMap.set( mesh, body );
 
-		}
+		//}
+
+		return body;
 
 	}
 
@@ -242,6 +263,18 @@ async function RapierPhysics() {
 	setInterval( step, 1000 / frameRate );
 
 	return {
+		RAPIER,
+        world,
+		/**
+		 * Returns the Rapier RigidBody given a ThreeJS mesh that has been added via 
+		 * addScene or addBody
+		 *
+		 *
+		 * @method
+		 * @name RapierPhysics#getBody
+		 * @param {Object3D} mesh A ThreeJS mesh that is included in the physics.
+		 */
+		getBody,
 		/**
 		 * Adds the given scene to this physics simulation. Only meshes with a
 		 * `physics` object in their {@link Object3D#userData} field will be honored.

diff --git a/examples/physics_rapier_basic.html b/examples/physics_rapier_basic.html
@@ -0,0 +1,172 @@
+<!DOCTYPE html>
+<html lang="en">
+	<head>
+		<title>three.js physics - rapier3d basic</title>
+		<meta charset="utf-8">
+		<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
+		<link type="text/css" rel="stylesheet" href="main.css">
+		<style>
+			body {
+				color: #333;
+			}
+		</style>
+	</head>
+	<body>
+
+		<div id="info">
+			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> physics - <a href="https://github.com/dimforge/rapier.js" target="_blank">rapier</a> basic
+		</div>
+
+		<script type="importmap">
+			{
+				"imports": {
+					"three": "../build/three.module.js",
+					"three/addons/": "./jsm/"
+				}
+			}
+		</script>
+
+		<script type="module">
+
+			import * as THREE from 'three';
+			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
+			import { RapierPhysics } from 'three/addons/physics/RapierPhysics.js';
+			import { RapierHelper } from 'three/addons/helpers/RapierHelper.js';
+			import Stats from 'three/addons/libs/stats.module.js';
+
+			let camera, scene, renderer, stats;
+			let physics, physicsHelper;
+
+			init();
+
+			async function init() {
+
+				scene = new THREE.Scene();
+				scene.background = new THREE.Color( 0xbfd1e5 );
+
+				camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 100 );
+				camera.position.set( 0, 3, 10 );
+
+				const ambient = new THREE.HemisphereLight( 0x555555, 0xFFFFFF );
+
+				scene.add( ambient );
+
+				const light = new THREE.DirectionalLight( 0xffffff, 4 );
+
+				light.position.set( 0, 12.5, 12.5 );
+				light.castShadow = true;
+				light.shadow.radius = 3;
+				light.shadow.blurSamples = 8;
+				light.shadow.mapSize.width = 1024;
+				light.shadow.mapSize.height = 1024;
+
+				const size = 10;
+				light.shadow.camera.left = - size;
+				light.shadow.camera.bottom = - size;
+				light.shadow.camera.right = size;
+				light.shadow.camera.top = size;
+				light.shadow.camera.near = 1;
+				light.shadow.camera.far = 50;
+
+				scene.add( light );
+
+				renderer = new THREE.WebGLRenderer( { antialias: true } );
+				renderer.setPixelRatio( window.devicePixelRatio );
+				renderer.setSize( window.innerWidth, window.innerHeight );
+				renderer.shadowMap.enabled = true;
+				document.body.appendChild( renderer.domElement );
+				renderer.setAnimationLoop( animate );
+
+				const controls = new OrbitControls( camera, renderer.domElement );
+				controls.target = new THREE.Vector3( 0, 2, 0 );
+				controls.update();
+
+				const geometry = new THREE.BoxGeometry( 10, 0.5, 10 );
+				const material = new THREE.MeshStandardMaterial( { color: 0xFFFFFF } );
+
+				const floor = new THREE.Mesh( geometry, material );
+				floor.receiveShadow = true;
+
+				floor.position.y = - 0.25;
+				floor.userData.physics = { mass: 0 };
+
+				scene.add( floor );
+
+				new THREE.TextureLoader().load( 'textures/grid.png', function ( texture ) {
+
+					texture.wrapS = THREE.RepeatWrapping;
+					texture.wrapT = THREE.RepeatWrapping;
+					texture.repeat.set( 20, 20 );
+					floor.material.map = texture;
+					floor.material.needsUpdate = true;
+
+				} );
+
+				stats = new Stats();
+				document.body.appendChild( stats.dom );
+
+				initPhysics();
+
+				onWindowResize();
+
+				window.addEventListener( 'resize', onWindowResize, false );
+
+			}
+
+			async function initPhysics() {
+
+				//Initialize physics engine using the script in the jsm/physics folder
+				physics = await RapierPhysics();
+
+				physics.addScene( scene );
+
+				addBody( );
+
+				//Optionally display collider outlines
+				physicsHelper = new RapierHelper( physics.world );
+				scene.add( physicsHelper );
+
+				setInterval( addBody, 1000 );
+
+			}
+
+			function addBody( ) {
+
+				const geometry = ( Math.random() > 0.5 ) ? new THREE.SphereGeometry( 0.5 ) : new THREE.BoxGeometry( 1, 1, 1 );
+				const material = new THREE.MeshStandardMaterial( { color: Math.floor( Math.random() * 0xFFFFFF ) } );
+
+				const mesh = new THREE.Mesh( geometry, material );
+				mesh.castShadow = true;
+
+				mesh.position.set( Math.random() * 2 - 1, Math.random() * 3 + 6, Math.random() * 2 - 1 );
+
+				scene.add( mesh );
+
+				//parameter 2 - mass, parameter 3 - restitution ( how bouncy )
+				physics.addMesh( mesh, 1, 0.5 );
+
+			}
+
+			function onWindowResize( ) {
+
+				camera.aspect = window.innerWidth / window.innerHeight;
+				camera.updateProjectionMatrix();
+
+				renderer.setSize( window.innerWidth, window.innerHeight );
+
+			}
+
+
+			function animate() {
+
+				if ( physicsHelper ) physicsHelper.update();
+
+				renderer.render( scene, camera );
+
+				stats.update();
+
+			}
+
+		</script>
+	</body>
+</html>