1. 加载扩展库

1.2. Cannon.js

一个简单好用的3D物理库

🔗API文档1

🔗API文档2

🖥️调试演示

🎞️功能演示

调试

var world = new CANNON.World();
var scene = new THREE.Scene();
var cannonDebugRenderer = new CANNON.CannonDebugRenderer( scene, world );

// ...add things to world and scene...

function render() {
    requestAnimationFrame( render );
    world.step( timeStep );            // Update physics
    cannonDebugRenderer.update();      // Update the debug renderer
    renderer.render( scene, camera );  // Render the scene
}
render();