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