h3n3/yet-another-cad-viewer
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lots of performance improvements, bug fixes and some new features

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Yeicor
2024-03-25 21:37:28 +01:00
parent ec7139c809
commit 632e7e93c6
22 changed files with 710 additions and 296 deletions
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23
frontend/misc/distances.ts
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@@ -1,16 +1,17 @@
import {BufferAttribute, InterleavedBufferAttribute, Vector3} from 'three';
import type {MObject3D} from "../tools/Selection.vue";
import type { ModelScene } from '@google/model-viewer/lib/three-components/ModelScene';
import type {ModelScene} from '@google/model-viewer/lib/three-components/ModelScene';
import type {SelectionInfo} from "../tools/selection";
function getCenterAndVertexList(obj: MObject3D, scene: ModelScene): {
function getCenterAndVertexList(selInfo: SelectionInfo, scene: ModelScene): {
center: Vector3,
vertices: Array<Vector3>
} {
obj.updateMatrixWorld();
let pos: BufferAttribute | InterleavedBufferAttribute = obj.geometry.getAttribute('position');
let ind: BufferAttribute | null = obj.geometry.index;
if (!ind) {
selInfo.object.updateMatrixWorld();
let pos: BufferAttribute | InterleavedBufferAttribute = selInfo.object.geometry.getAttribute('position');
let ind: BufferAttribute | null = selInfo.object.geometry.index;
if (ind === null) {
ind = new BufferAttribute(new Uint16Array(pos.count), 1);
for (let i = 0; i < pos.count; i++) {
ind.array[i] = i;
@@ -18,14 +19,14 @@ function getCenterAndVertexList(obj: MObject3D, scene: ModelScene): {
}
let center = new Vector3();
let vertices = [];
for (let i = 0; i < ind.count; i++) {
let index = ind.array[i];
for (let i = selInfo.indices[0]; i < selInfo.indices[1]; i++) {
let index = ind.getX(i)
let vertex = new Vector3(pos.getX(index), pos.getY(index), pos.getZ(index));
vertex = scene.target.worldToLocal(obj.localToWorld(vertex));
vertex = scene.target.worldToLocal(selInfo.object.localToWorld(vertex));
center.add(vertex);
vertices.push(vertex);
}
center = center.divideScalar(ind.count);
center = center.divideScalar(selInfo.indices[1] - selInfo.indices[0]);
return {center, vertices};
}
@@ -33,7 +34,7 @@ function getCenterAndVertexList(obj: MObject3D, scene: ModelScene): {
* Given two THREE.Object3D objects, returns their closest and farthest vertices, and the geometric centers.
* All of them are approximated and should not be used for precise calculations.
*/
export function distances(a: MObject3D, b: MObject3D, scene: ModelScene): {
export function distances(a: SelectionInfo, b: SelectionInfo, scene: ModelScene): {
min: Array<Vector3>,
center: Array<Vector3>,
max: Array<Vector3>