CADViewComponent/src/DrawDimension.ts

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import { Box3, Matrix4, Mesh, Vector3 } from "three";
import { Dimension, GetBoxArr } from ".";
/**
*
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*
* @export
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* @param {Box3} box
* @returns
*/
export function DrawDimension(brList: Mesh[]): Dimension[]
{
let box = GetBoxArr(brList);
let size = box.getSize(new Vector3());
let mat4 = new Matrix4();
mat4.makeBasis(
new Vector3(-1, 0, 0),
new Vector3(0, -1, 0),
new Vector3(0, 0, 1)
)
mat4.setPosition(box.min.clone().add(new Vector3(size.x, -30)));
let textHeight = 45;
let dimx = new Dimension(size.x, textHeight, true);
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dimx.applyMatrix4(mat4);
let dimz = new Dimension(size.z, textHeight);
mat4.makeBasis(
new Vector3(0, 0, -1),
new Vector3(1, 0, 0),
new Vector3(0, -1, 0)
)
mat4.setPosition(box.max.clone().add(new Vector3(30, -size.y)));
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dimz.applyMatrix4(mat4);
let dimy = new Dimension(size.y, textHeight, true, true);
mat4.makeBasis(
new Vector3(0, 1, 0),
new Vector3(-1, 0, 0),
new Vector3(0, 0, 1)
)
mat4.setPosition(box.max.clone().add(new Vector3(30, -size.y)));
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dimy.applyMatrix4(mat4);
return [dimx, dimy, dimz];
}