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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| import WebAssembly from 'react-native-wasm'; | ||
| global.WebAssembly = WebAssembly; | ||
| import 'text-encoding-polyfill'; // Required for `rapier3d-compat` | ||
| import RAPIER, { | ||
| World, | ||
| ColliderDesc, | ||
| RigidBodyDesc, | ||
| } from '@dimforge/rapier3d-compat'; | ||
|
|
||
|
|
||
| export const rapierWorldSimulation = | ||
| (iterations: number) => async (): Promise<void> => { | ||
| try { | ||
| await RAPIER.init(); | ||
| const gravity = { x: 0.0, y: -9.81, z: 0.0 }; | ||
| const world = new World(gravity); | ||
|
|
||
| // Create a ground plane | ||
| const groundColliderDesc = ColliderDesc.cuboid(10.0, 0.1, 10.0); | ||
| world.createCollider(groundColliderDesc); | ||
|
|
||
| // Create a dynamic rigid-body with a cube collider | ||
| const rigidBodyDesc = RigidBodyDesc.dynamic().setTranslation( | ||
| 0.0, | ||
| 5.0, | ||
| 0.0 | ||
| ); | ||
| const rigidBody = world.createRigidBody(rigidBodyDesc); | ||
|
|
||
| const colliderDesc = ColliderDesc.cuboid(0.5, 0.5, 0.5); | ||
| world.createCollider(colliderDesc, rigidBody); | ||
|
|
||
| // Simulation loop | ||
| const timeStep = 1 / 60; | ||
| function simulate() { | ||
| world.step(); | ||
|
|
||
| // Get the position of the cube | ||
| const position = rigidBody.translation(); | ||
| console.log( | ||
| `Cube position: x=${position.x.toFixed(2)}, y=${position.y.toFixed(2)}, z=${position.z.toFixed(2)}` | ||
| ); | ||
|
|
||
| // Continue simulation if cube is above ground | ||
| if (position.y > 0.5) { | ||
| setTimeout(() => simulate(), timeStep * 1000); | ||
| } | ||
| } | ||
|
|
||
| // Start the simulation | ||
| simulate(); | ||
| } catch (error) { | ||
| console.error(error); | ||
| } | ||
| }; | ||
|
|
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