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test LineSegmentsGeometry w mesh edges .. todo add helper for KM

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This commit is contained in:
Stewart Allen 2024-08-16 15:10:55 -04:00
commit 9731f910f9
3 changed files with 28 additions and 15 deletions
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8
bin/webpack-three-bundle.js
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@ -6,5 +6,11 @@ import { Line2 } from '../node_modules/three/examples/jsm/lines/Line2.js';
import { LineMaterial } from '../node_modules/three/examples/jsm/lines/LineMaterial.js'; import { LineMaterial } from '../node_modules/three/examples/jsm/lines/LineMaterial.js';
import { LineGeometry } from '../node_modules/three/examples/jsm/lines/LineGeometry.js'; import { LineGeometry } from '../node_modules/three/examples/jsm/lines/LineGeometry.js';
import { LineSegments2 } from '../node_modules/three/examples/jsm/lines/LineSegments2.js'; import { LineSegments2 } from '../node_modules/three/examples/jsm/lines/LineSegments2.js';
import { LineSegmentsGeometry } from '../node_modules/three/examples/jsm/lines/LineSegmentsGeometry.js';
export { THREE, SVGLoader, BufferGeometryUtils, Line2, LineMaterial, LineGeometry, LineSegments2 }; export {
THREE, SVGLoader, BufferGeometryUtils,
LineMaterial,
Line2, LineGeometry,
LineSegments2, LineSegmentsGeometry
};

8
src/add/three.js
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@ -5,15 +5,19 @@
// dep: ext.three // dep: ext.three
gapp.register("add.three", [], (root, exports) => { gapp.register("add.three", [], (root, exports) => {
const { THREE, SVGLoader, BufferGeometryUtils, Line2, LineMaterial, LineGeometry, LineSegments2 } = ThreeBundle; const {
THREE, SVGLoader, BufferGeometryUtils,
LineMaterial, Line2, LineGeometry, LineSegments2, LineSegmentsGeometry
} = ThreeBundle;
root.THREE = THREE; root.THREE = THREE;
THREE.BufferGeometryUtils = BufferGeometryUtils; THREE.BufferGeometryUtils = BufferGeometryUtils;
THREE.SVGLoader = SVGLoader.SVGLoader; THREE.SVGLoader = SVGLoader.SVGLoader;
THREE.LineMaterial = LineMaterial; THREE.LineMaterial = LineMaterial;
THREE.Line2 = Line2;
THREE.LineGeometry = LineGeometry; THREE.LineGeometry = LineGeometry;
THREE.LineSegments2 = LineSegments2; THREE.LineSegments2 = LineSegments2;
THREE.Line2 = Line2; THREE.LineSegmentsGeometry = LineSegmentsGeometry;
let MP = THREE.Mesh.prototype, let MP = THREE.Mesh.prototype,
XP = THREE.Box3.prototype, XP = THREE.Box3.prototype,

27
src/mesh/edges.js
View file

@ -7,10 +7,12 @@
"use strict"; "use strict";
// dep: moto.space // dep: moto.space
gapp.register("mesh.edges", [], (root, exports) => { gapp.register("mesh.edges", [], (root, exports) => {
const { Line2, LineMaterial, LineGeometry, Vector3, Group } = THREE; const { Line2, LineMaterial, LineGeometry, Vector3, Group } = THREE;
const { LineSegments2, LineSegmentsGeometry } = THREE;
const { base, mesh, moto } = root; const { base, mesh, moto } = root;
const { space } = moto; const { space } = moto;
const { newPoint } = base; const { newPoint } = base;
@ -19,6 +21,17 @@ let isActive;
let hovered; let hovered;
let selected = []; let selected = [];
function line2(verts) {
let geo = new LineSegmentsGeometry();
let segs = new LineSegments2(geo, new LineMaterial({
linewidth: 4,
color: 0x0088ff,
alphaToCoverage: false,
}));
geo.setPositions(verts);
return segs;
}
// hovered edge object // hovered edge object
let geo, mat, obj = new Line2( let geo, mat, obj = new Line2(
geo = new LineGeometry(), geo = new LineGeometry(),
@ -27,7 +40,6 @@ let geo, mat, obj = new Line2(
color: 0x88ff00, color: 0x88ff00,
alphaToCoverage: false, alphaToCoverage: false,
}) })
); );
// true if values differ by less than 10e-3 // true if values differ by less than 10e-3
@ -188,17 +200,8 @@ let edges = {
const group = edges.selected = new Group(); const group = edges.selected = new Group();
space.scene.add(edges.selected); space.scene.add(edges.selected);
let verts = selected.map(s => s.side.verts).flat();
for (let sel of selected) { group.add(line2(verts));
let geo = new LineGeometry();
let line = new Line2( geo, new LineMaterial({
linewidth: 4,
color: 0x0088ff,
alphaToCoverage: false,
}) );
geo.setPositions(sel.side.verts);
group.add(line);
}
}, },
closest_edge(point, face, object) { closest_edge(point, face, object) {