mirror of https://gitee.com/cf-fz/WebCAD.git
parent
3a36348d60
commit
1a0ec38a21
@ -0,0 +1,11 @@
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// Jest Snapshot v1, https://goo.gl/fbAQLP
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exports[`相交测试 1`] = `
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Vector3 {
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"x": 0.5,
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"y": 0,
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"z": 0,
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}
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`;
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exports[`相交测试 2`] = `undefined`;
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import * as THREE from 'three';
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import { Intersect } from '../../src/Geometry/GeUtils';
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test('相交测试', () =>
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{
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let p1 = new THREE.Vector3(0, 0, 0);
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let p2 = new THREE.Vector3(1, 0, 0);
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let p3 = new THREE.Vector3(0.5, 0.5, 0);
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let p4 = new THREE.Vector3(0.5, 1, 0);
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let p5 = new THREE.Vector3(3, 0, 0);
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let p6 = new THREE.Vector3(6, 0, 0);
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let res = Intersect(p1, p2, p3, p4);/*?*/
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expect(res).toMatchSnapshot();
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res = Intersect(p1, p2, p5, p6);/*?*/
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expect(res).toMatchSnapshot();
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let ins = Intersect(
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new THREE.Vector3(0, 5),
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new THREE.Vector3(5, 5),
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new THREE.Vector3(0.5, 1),
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new THREE.Vector3(0.5, 8));
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expect(ins).toMatchSnapshot();
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}
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)
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@ -1,6 +1,15 @@
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import * as THREE from 'three';
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test('should behave...', () =>
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{
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let p1 = new THREE.Vector3(0, 0, 0);
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let p2 = new THREE.Vector3(1, 0, 0);
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let p3 = new THREE.Vector3(0.5, 0.5, 0);
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let p4 = new THREE.Vector3(0.5, 1, 0);
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});
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@ -0,0 +1,397 @@
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import * as THREE from 'three';
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import * as xaop from 'xaop';
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import { app } from '../ApplicationServices/Application';
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import { GetPointPrompt, InputState } from '../Common/InputState';
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import { MouseKey } from '../Common/KeyEnum';
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import { Line } from '../DatabaseServices/Entity';
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import { angle, equaln, fixAngle, Intersect } from '../Geometry/GeUtils';
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import { PromptPointResult, PromptStatus } from './PromptResult';
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/**
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* 为拾取点提供服务,提供一个类以供Editor引用.
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*
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* @export
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* @class GetPointServices
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*/
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export class GetPointServices
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{
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Doit(prompt?: GetPointPrompt): Promise<PromptPointResult>
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{
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app.m_Editor.m_InputState = InputState.GetPoint;
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prompt = prompt ? prompt : {};
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app.m_Viewer.m_PreViewer.ToGetpoint();
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let retValue = new PromptPointResult();
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let removeCalls = []; //删除回调列表
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removeCalls.push(this.Snap());
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removeCalls.push(() => { this.DestroySnapLine() });
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return new Promise<PromptPointResult>((resolve, reject) =>
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{
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//如果有基点,那么绘制直线
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if (prompt.BasePoint && prompt.AllowDrawRubberBand)
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{
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this.m_SnapPtList = [prompt.BasePoint];
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if (prompt.AllowDrawRubberBand)
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{
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let preView = app.m_Viewer.m_PreViewer;
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let startP = prompt.BasePoint.clone();
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app.m_Viewer.WorldToScreen(startP);
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preView.ScreenPointToViewerPoint(startP);
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let line = preView.DrawLine(startP, startP, preView.m_DashMaterial);
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let geo = line.geometry as THREE.Geometry;
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geo.computeLineDistances();
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preView.Scene.add(line);
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removeCalls.push(
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() =>
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{
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preView.Scene.remove(line);
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},
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xaop.end(app.m_Editor.m_MouseCtrl, app.m_Editor.m_MouseCtrl.onMouseMove, () =>
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{
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let endP = this.GetNowPoint();
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app.m_Viewer.WorldToScreen(endP);
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preView.ScreenPointToViewerPoint(endP);
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geo.vertices[1] = endP;
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geo.computeLineDistances();
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geo.lineDistancesNeedUpdate = true;
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geo.verticesNeedUpdate = true;
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preView.render();
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app.m_Editor.UpdateScreen();
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})
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);
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}
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}
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//调用回调
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if (prompt.Callback)
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{
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removeCalls.push(
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xaop.end(app.m_Editor.m_MouseCtrl, app.m_Editor.m_MouseCtrl.onMouseMove, () =>
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{
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let p = this.GetNowPoint();
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prompt.Callback(p);
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app.m_Editor.UpdateScreen();
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})
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);
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}
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//鼠标按下
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removeCalls.push(
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xaop.end(app.m_Editor.m_MouseCtrl, app.m_Editor.m_MouseCtrl.onMouseDown, (e: MouseEvent) =>
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{
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if (e.button == MouseKey.Left)
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{
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retValue.Status = PromptStatus.OK;
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retValue.Value = this.GetNowPoint();
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_return();
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}
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})
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);
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//键盘按下
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removeCalls.push(
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xaop.begin(app.m_Editor.m_KeyCtrl, app.m_Editor.m_KeyCtrl.OnKeyDown, (e: KeyboardEvent) =>
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{
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if (e.keyCode == 27)
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{
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retValue.Status = PromptStatus.Cancel;
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_return();
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}
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else if (e.keyCode == 32)
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{
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retValue.Status = PromptStatus.None;
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_return();
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}
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})
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);
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//返回
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let _return = () =>
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{
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app.m_Editor.m_InputState = InputState.None;
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this.noSnapList.clear();
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//清理所有的注入函数.
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for (let destroyFunc of removeCalls)
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{
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destroyFunc();
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}
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app.m_Viewer.m_PreViewer.ToSelect();
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resolve(retValue);
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app.m_Editor.UpdateScreen();
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}
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});
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}
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//极轴捕捉的线列表
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m_SnapAxisBlueLine: THREE.Line[] = [];
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private DestroySnapLine()
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{
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for (let l of this.m_SnapAxisBlueLine)
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{
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app.m_Viewer.m_PreViewer.Scene.remove(l);
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l.geometry.dispose();
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}
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this.m_SnapAxisBlueLine = [];
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}
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/**
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*
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* 获得当前光标所在的点, 先判断捕捉,在判断极轴捕捉
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*
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* @private
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* @returns {THREE.Vector3}
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* @memberof Editor
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*/
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private GetNowPoint(): THREE.Vector3
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{
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//清理原先画的辅助线
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this.DestroySnapLine();
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let preView = app.m_Viewer.m_PreViewer;
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//绘制捕捉光标列表
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for (let snapP of this.m_SnapPtList)
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{
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let lines = preView.DrawCross(5, preView.m_BlueDashMaterial);
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let p = snapP.clone();
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app.m_Viewer.WorldToScreen(p);
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preView.ScreenPointToViewerPoint(p);
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let move = new THREE.Matrix4();
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move.setPosition(p);
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for (let l of lines)
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{
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l.applyMatrix(move);
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this.m_SnapAxisBlueLine.push(l);
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preView.Scene.add(l);
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}
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}
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//如果存在捕捉
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if (app.m_Viewer.m_PreViewer.m_LastSnapPoint)
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{
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let retP = app.m_Viewer.m_PreViewer.ptWcs;
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app.m_Viewer.ScreenToWorld(retP);
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return retP;
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}
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//捕捉轴线列表
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let snapAxisList: { basePt: THREE.Vector3, snapPt: THREE.Vector3 }[] = [];
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for (let i = 0; i < this.m_SnapPtList.length; i++)
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{
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let baseP = this.m_SnapPtList[i];
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let snapPt = this.AxisSnap(baseP, Math.PI * 0.5);
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if (snapPt)
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{
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snapAxisList.push({ basePt: baseP, snapPt: snapPt });
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}
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}
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let wcs = app.m_Editor.m_MouseCtrl.m_CurMousePointWCS;
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if (snapAxisList.length > 0)
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{
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//轴线交点列表
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let axisIntersectList: {
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ins: THREE.Vector3,
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i1: { basePt: THREE.Vector3, snapPt: THREE.Vector3 },
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i2: { basePt: THREE.Vector3, snapPt: THREE.Vector3 }
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}[] = [];
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//检测交点
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for (let i = 0; i < snapAxisList.length; i++)
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{
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let d1 = snapAxisList[i];
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for (let j = i + 1; j < snapAxisList.length; j++)
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{
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let d2 = snapAxisList[j];
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let insP = Intersect(d1.basePt, d1.snapPt, d2.basePt, d2.snapPt);
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if (insP)
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{
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axisIntersectList.push({ ins: insP, i1: d1, i2: d2 })
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}
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}
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}
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if (axisIntersectList.length > 0)
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{
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axisIntersectList.sort((d1, d2) =>
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{
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let dis1 = d1.ins.distanceTo(wcs);
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let dis2 = d2.ins.distanceTo(wcs);
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if (dis1 == dis2)
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return 0;
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else
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return dis1 < dis2 ? -1 : 1
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});
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let insD = axisIntersectList[0];
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if (insD.ins.distanceToSquared(wcs) < 100)
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{
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this.DrawLine(insD.i1.basePt, insD.ins, preView.m_BlueDashMaterial);
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this.DrawLine(insD.i2.basePt, insD.ins, preView.m_BlueDashMaterial);
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return insD.ins.clone();
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}
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}
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else
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{
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snapAxisList.sort((d1, d2) =>
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{
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return d1.snapPt.distanceTo(wcs) < d2.snapPt.distanceTo(wcs) ? -1 : 1
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})
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this.DrawLine(snapAxisList[0].basePt, snapAxisList[0].snapPt, preView.m_BlueDashMaterial);
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return snapAxisList[0].snapPt;
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}
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}
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return wcs.clone();
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}
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/**
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* 在preView中绘制 临时的线段
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*
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* @param {THREE.Vector3} p1
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* @param {THREE.Vector3} p2
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* @param {(THREE.LineBasicMaterial | THREE.LineDashedMaterial)} [material]
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* @memberof GetPointServices
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*/
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DrawLine(p1: THREE.Vector3, p2: THREE.Vector3, material?: THREE.LineBasicMaterial | THREE.LineDashedMaterial)
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{
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let preView = app.m_Viewer.m_PreViewer;
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if (p1.distanceToSquared(this.m_SnapPtList[0]) > 0.001)
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{
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let l = preView.DrawLineFromWcs(p1.clone(), p2.clone(), material);
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this.m_SnapAxisBlueLine.push(l);
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preView.Scene.add(l);
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}
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}
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noSnapList = new Set<THREE.Object3D>();
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m_SnapPtList: THREE.Vector3[] = [];
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/**
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* 点捕捉服务. 如果有捕捉 将设置光标的捕捉设置
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*
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* @returns
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* @memberof Editor
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*/
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Snap()
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{
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this.m_SnapPtList.length = 0;
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let testSnap = () =>
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{
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for (let obj of app.m_Viewer.m_Scene.children)
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{
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if (this.noSnapList.has(obj))
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{
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continue;
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}
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let geo = obj["geometry"];
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let g: THREE.Geometry
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if (geo instanceof THREE.Geometry)
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{
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g = geo;
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}
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else if (geo instanceof THREE.BufferGeometry)
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{
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g = new THREE.Geometry().fromBufferGeometry(geo);
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}
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if (g)
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{
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for (let i = 0; i < g.vertices.length; i++)
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{
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let ptC = g.vertices[i].clone();
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ptC.applyMatrix4(obj.matrix);
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let ptWcs = ptC.clone();
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app.m_Viewer.WorldToScreen(ptC);
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if (ptC.distanceToSquared(app.m_Editor.m_MouseCtrl.m_CurMousePointVCS) < 100)
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{
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app.m_Viewer.m_PreViewer.m_LastSnapPoint = ptC;
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app.m_Viewer.m_PreViewer.m_LastEntity = obj;
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app.m_Viewer.m_PreViewer.m_LastIndex = i;
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app.m_Viewer.m_PreViewer.SerCursorPostion(ptC);
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app.m_Viewer.m_PreViewer.render();
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for (let p of this.m_SnapPtList)
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{
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if (p.distanceToSquared(ptWcs) < 0.01)
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{
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return;
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}
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}
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this.m_SnapPtList.push(ptWcs);
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if (this.m_SnapPtList.length > 7)
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{
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this.m_SnapPtList.shift();
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}
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return;
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}
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}
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}
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}
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}
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testSnap();
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return xaop.end(app.m_Editor.m_MouseCtrl, app.m_Editor.m_MouseCtrl.onMouseMove, testSnap);
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}
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/**
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*
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* 轴捕捉
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* @param {any} basePoint
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* @returns {THREE.Vector3} 返回捕捉的点 如果捕捉不到 那么返回空
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* @memberof Editor
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*/
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AxisSnap(basePoint, fixAn: number): THREE.Vector3
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{
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let wcs = app.m_Editor.m_MouseCtrl.m_CurMousePointWCS.clone();
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//相差向量
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let subVec = wcs.clone().sub(basePoint);
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let an = Math.atan2(subVec.y, subVec.x);
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if (an < 0) an += Math.PI * 2;
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let newan = fixAngle(an, fixAn);
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if (!equaln(newan, an, 0.001))
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{
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//dis.
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let v0 = new THREE.Vector3(0, 0, 0);
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angle(v0, newan, 1);
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let dis = v0.dot(wcs.sub(basePoint));
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let retP = basePoint.clone();
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angle(retP, newan, dis);
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return retP;
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}
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return undefined;
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}
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}
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Loading…
Reference in new issue