Overview
Cannon.js is a lightweight, easy-to-use physics engine that integrates seamlessly with Three.js. It allows developers to add realistic physics behaviors, such as collisions, gravity, and rigid body dynamics, to 3D scenes, enhancing the interactivity and realism of applications.
Key Features:
- Realistic Physics Simulation: Simulate gravity, collisions, and rigid body dynamics in real-time.
- Seamless Integration: Cannon.js works well with Three.js, allowing you to synchronize physics bodies with Three.js meshes.
- Wide Range of Physics Effects: From simple gravity effects to complex joint constraints, Cannon.js can handle a variety of physics scenarios.
Use Cases:
- Interactive Games: Add realistic physics interactions to game objects, such as bouncing balls, rolling dice, or destructible environments.
- Scientific Simulations: Model physical phenomena, such as pendulum motion, collision detection, or fluid dynamics.
Getting Started:
To start using Cannon.js with Three.js, set up the physics world and add physics bodies:
import * as THREE from 'three';
import * as CANNON from 'cannon-es';
const world = new CANNON.World();
world.gravity.set(0, -9.82, 0);
const geometry = new THREE.BoxGeometry(1, 1, 1);
const material = new THREE.MeshStandardMaterial();
const mesh = new THREE.Mesh(geometry, material);
const shape = new CANNON.Box(new CANNON.Vec3(0.5, 0.5, 0.5));
const body = new CANNON.Body({ mass: 1 });
body.addShape(shape);
world.addBody(body);
scene.add(mesh);
Conclusion:
Integrating Cannon.js with Three.js brings a new level of realism to your 3D scenes, making them more interactive and engaging by simulating real-world physics behaviors.