WasmGPU.createAnnotation.toolkit().selectionProbe¶
Summary¶
WasmGPU.createAnnotation.toolkit().selectionProbe returns the latest selection readout snapshot. It extends probe data with annotation linkage fields when a marker glyph instance is selected.
Syntax¶
WasmGPU.createAnnotation.toolkit().selectionProbe: AnnotationSelectionReadout
const probe = toolkit.selectionProbe;
Parameters¶
This accessor does not take parameters.
Returns¶
AnnotationSelectionReadout - Latest selection probe payload.
Type Details¶
type AnnotationSelectionReadout = {
hit: boolean;
kind: "mesh" | "pointcloud" | "glyphfield" | null;
objectId: number | null;
elementIndex: number | null;
worldPosition: [number, number, number] | null;
ndIndex: number[] | null;
attributes: PickAttributes | null;
annotationId: string | null;
annotationKind: "marker" | "distance" | "angle" | null;
anchorRole: "marker" | "start" | "end" | "a" | "b" | "c" | null;
};
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 });
await toolkit.pickAtAndCommit(140, 90);
console.log(toolkit.selectionProbe);