enable3d.github.io/src/examples/create-and-destroy-objects-and-physics.html at master · enable3d/enable3d.github.io · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover"
    />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Create and Destroy Objects and Physics</title>
    <link rel="stylesheet" href="/css/examples.css?ver=1.0.0" />
    <script src="/js/examples.js?ver=1.1.1"></script>
  </head>

  <body>
    <script type="importmap">
      {
        "imports": {
          "enable3d": "/lib/enable3d/enable3d.framework.0.26.0_dev0.module.min.js"
        }
      }
    </script>
    <script type="module">
      import { Project, Scene3D, PhysicsLoader, THREE } from 'enable3d'

      class MainScene extends Scene3D {
        async create() {
          const { ground } = await this.warpSpeed()

          this.physics.debug.enable()

          const newBox = (y, color) => {
            const geometry = new THREE.BoxGeometry(1, 1, 1)
            const material = new THREE.MeshLambertMaterial({ color })
            const mesh = new THREE.Mesh(geometry, material)
            mesh.position.set(0, y, 0)

            this.add.existing(mesh)
            return mesh
          }

          const blueBox = newBox(3, 'cornflowerblue')
          const redBox = newBox(4.5, 'tomato')

          const hasBody = () => {
            console.log('blueBox:', typeof blueBox.body, blueBox.hasBody)
            console.log('redBox:', typeof blueBox.body, blueBox.hasBody)
          }

          hasBody()

          setTimeout(() => this.physics.add.existing(redBox), 1000) // add physics body to redBox

          setTimeout(() => this.physics.add.existing(blueBox), 2000) // add physics body to blueBox

          setTimeout(() => hasBody(), 3000)

          setTimeout(() => this.destroy(redBox), 4000) // destroy object and its physics body

          setTimeout(() => this.physics.destroy(blueBox), 5000) // destroy only the physics body

          setTimeout(() => this.destroy(ground), 6000) // destroy object and its physics body

          setTimeout(() => this.physics.add.existing(blueBox), 7000) // add physics body to blueBox
        }
      }

      PhysicsLoader('/lib/ammo', () => new Project({ scenes: [MainScene] }))
    </script>
  </body>
</html>