Rapier and Threejs project build bug

Question

I have created a Threejs project and i am using Rapier Physics in it. Now the whole projects is working perfectly in development. But once i build it and then do npm run preview i got the followimg error.

index-BPEdORCD.js:3827  Uncaught TypeError: Cannot read properties of undefined (reading 'rawintegrationparameters_new')
    at new sr (index-BPEdORCD.js:3827:85073)
    at new dv (index-BPEdORCD.js:3827:131097)
    at new la (index-BPEdORCD.js:3827:159423)
    at eS (index-BPEdORCD.js:3924:71362)
    at index-BPEdORCD.js:3924:86781
    at index-BPEdORCD.js:1:23
    at index-BPEdORCD.js:3924:90288

I have tried various ways like loading wasm but not getting problem resolved

doppler · Accepted Answer · 2025-03-06 16:12:40Z

0

Edit: v0.15.0 was released on March 6, 2025, so there is no longer a need to include the treeshake solution mentioned below.

Previous answer: This error will be resolved after Rapier.js is updated after v0.14.0.

In the meantime, you can add the following code to your vite.config.js file to disable treeshaking when the app is built.

build: {
    rollupOptions: {
      treeshake: false
    }
  }
}

edited Mar 6 at 16:12

answered Mar 5 at 16:01

doppler

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Comments

aggregate1166877 · Accepted Answer · 2025-03-19 08:28:16Z

0

In my case I got this error because I neglected to call RAPIER.init() before using the library.

The official docs have a good example:

import RAPIER from 'https://cdn.skypack.dev/@dimforge/rapier2d-compat';

RAPIER.init().then(() => {
    // Run the simulation.
});

// OR using the await syntax:
async function run_simulation() {
    await RAPIER.init();
    // Run the simulation.
    _run_simulation(RAPIER);
}
run_simulation()

answered Mar 19 at 8:28

aggregate1166877

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Comments

Gaurav Sharma · Accepted Answer · 2025-03-20 09:16:32Z

0

I just downgraded rapier to lower version and it also worked

answered Mar 20 at 9:16

Gaurav Sharma

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1 Comment

Community Mar 20 at 16:57

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