WasmGPU.createAnnotation.toolkit().onHoverReadout¶
Summary¶
WasmGPU.createAnnotation.toolkit().onHoverReadout subscribes to hover probe updates.
The callback receives the same payload exposed by hoverProbe.
Syntax¶
WasmGPU.createAnnotation.toolkit().onHoverReadout(listener: (readout: AnnotationProbeReadout) => void): () => void
const unsubscribe = toolkit.onHoverReadout(listener);
Parameters¶
| Name | Type | Required | Description |
|---|---|---|---|
listener |
(readout: AnnotationProbeReadout) => void |
Yes | Callback invoked whenever hover readout changes. |
Returns¶
() => void - Unsubscribe function.
Example¶
const canvas = document.querySelector("canvas");
const wgpu = await WasmGPU.create(canvas);
const scene = wgpu.createScene();
const camera = wgpu.createCamera.perspective({ fov: 55, aspect: canvas.clientWidth / canvas.clientHeight, near: 0.1, far: 1000 });
const toolkit = wgpu.createAnnotation.toolkit({ scene, camera, canvas });
toolkit.onHoverReadout((readout) => {
console.log(readout.hit ? readout.worldPosition : null);
});