CODE EXAMPLE FOR JAVASCRIPT

react three fiber cannon collision

import { Canvas } from '@react-three/fiber'
import { Physics, usePlane, useBox } from '@react-three/cannon'

function Plane(props) {
  const [ref] = usePlane(() => ({ rotation: [-Math.PI / 2, 0, 0], ...props }))
  return (
    <mesh ref={ref}>
      <planeGeometry args={[100, 100]} />
    </mesh>
  )
}

function Cube(props) {
  const [ref] = useBox(() => ({ mass: 1, position: [0, 5, 0], ...props }))
  return (
    <mesh ref={ref}>
      <boxGeometry />
    </mesh>
  )
}

ReactDOM.render(
  <Canvas>
    <Physics>
      <Plane />
      <Cube />
    </Physics>
  </Canvas>,
  document.getElementById('root'),
)