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three.cad
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chkpt

master
howard 2021-04-08 17:55:44 -07:00
parent 9e6fdcd034
commit 8facf7924a
1 changed files with 17 additions and 13 deletions
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30
src/drawDimension.js
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@ -47,24 +47,27 @@ export async function drawDimension() {
let dist = 0
let ptLineOrder;
if (selection.every(e => e.userData.type == 'point')) {
for (let i = 0; i < 3; i++) {
dist += (selection[0].geometry.attributes.position.array[i] - selection[1].geometry.attributes.position.array[i]) ** 2
}
dist = Math.sqrt(dist)
} else {
ptLineOrder = selection[0].userData.type == 'point' ? [0, 1] : [1, 0]
const lineArr = selection[ptLineOrder[1]].geometry.attributes.position.array
const ptArr = selection[ptLineOrder[0]].geometry.attributes.position.array
const lineArr = selection[ptLineOrder[1]].geometry.attributes.position.array
p1.set(lineArr[0], lineArr[1])
p2.set(lineArr[3], lineArr[4])
p3.set(ptArr[0], ptArr[1])
dir = p2.clone().sub(p1).normalize()
hyp = p3.clone().sub(p1)
proj = dir.multiplyScalar(hyp.dot(dir))
perp = hyp.clone().sub(proj)
const hypx = p3.clone().sub(p1)
proj = dir.multiplyScalar(hypx.dot(dir))
perp = hypx.clone().sub(proj)
dist = Math.sqrt(perp.x ** 2 + perp.y ** 2)
@ -152,7 +155,7 @@ const p1x = new THREE.Vector2()
const p2 = new THREE.Vector2()
const p3 = new THREE.Vector2()
let dir, hyp, proj, perp, p1e, p1eArr, p2e, p2eArr, ids, _p1, _p2, p3Arr
let mdpt, proj1, proj2, hyp1, hyp2
let mdpt, proj1, proj2, hyp1, hyp2, hypx
let dp1e, dp2e, dp12
export function updateDim(c_id) {
@ -200,6 +203,7 @@ export function _onMoveDimension(point, line) {
_p1, _p2
)
console.log(hyp)
point.userData.offset = hyp.toArray()
sc.render()
@ -233,7 +237,7 @@ export function setDimLines() {
const offset = dims[i + 1].userData.offset
p3.set(_p1[0] + offset[0], _p1[1] + offset[1])
p3.set(_p2[0] + offset[0], _p2[1] + offset[1])
@ -254,7 +258,7 @@ function update(linegeom, pointgeom, _p1, _p2) {
p2.set(_p2[0], _p2[1])
dir = p2.clone().sub(p1).normalize()
hyp = p3.clone().sub(p1)
hyp = p3.clone().sub(p2) // note that this value is used to calculate tag-p2 offset
proj = dir.multiplyScalar(hyp.dot(dir))
perp = hyp.clone().sub(proj)
@ -286,10 +290,10 @@ function update(linegeom, pointgeom, _p1, _p2) {
mdpt = p1.clone().addScaledVector(dir, 0.5)
dir.normalize()
hyp = p2.clone().sub(mdpt)
proj = dir.multiplyScalar(hyp.dot(dir))
hypx = p2.clone().sub(mdpt)
proj = dir.multiplyScalar(hypx.dot(dir))
perp = hyp.clone().sub(proj)
perp = hypx.clone().sub(proj)
dp12 = perp.lengthSq()
perp.normalize()
@ -298,8 +302,8 @@ function update(linegeom, pointgeom, _p1, _p2) {
hyp1 = p3.clone().sub(mdpt)
proj1 = perp.clone().multiplyScalar(hyp1.dot(perp))
hyp2 = p3.clone().sub(p2)
proj2 = perp.clone().multiplyScalar(hyp2.dot(perp))
hyp = p3.clone().sub(p2) // note that this value is used to calculate tag-p2 offset
proj2 = perp.clone().multiplyScalar(hyp.dot(perp))
p1eArr = p3.clone().sub(proj1).toArray()