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둘레 길이 라벨 가시화 구현 > NOTICE
Realese Notes
둘레 길이 라벨 가시화 구현
작성일작성일: 2024-05-24 20:00 { // update circle stuff
const circleRadiusLabel2 = this.circleRadiusLabel2; //둘레 추가수정
const circleRadiusLabel = this.circleRadiusLabel;
const circleRadiusLine = this.circleRadiusLine;
const circleLine = this.circleLine;
const circleCenter = this.circleCenter;
const circleOkay = this.points.length === 3;
circleRadiusLabel2.visible = this.showCircle && circleOkay; //둘레 추가수정
circleRadiusLabel.visible = this.showCircle && circleOkay;
circleRadiusLine.visible = this.showCircle && circleOkay;
circleLine.visible = this.showCircle && circleOkay;
circleCenter.visible = this.showCircle && circleOkay;
if(this.showCircle && circleOkay){
const A = this.points[0].position;
const B = this.points[1].position;
const C = this.points[2].position;
const AB = B.clone().sub(A);
const AC = C.clone().sub(A);
const N = AC.clone().cross(AB).normalize();
const center = Potree.Utils.computeCircleCenter(A, B, C);
const radius = center.distanceTo(A);
const circumference = 2 * Math.PI * radius; //둘레 추가 수정
const scale = radius / 20;
circleCenter.position.copy(center);
circleCenter.scale.set(scale, scale, scale);
//circleRadiusLine.geometry.vertices[0].set(0, 0, 0);
//circleRadiusLine.geometry.vertices[1].copy(B.clone().sub(center));
circleRadiusLine.geometry.setPositions( [
0, 0, 0,
...B.clone().sub(center).toArray()
] );
circleRadiusLine.geometry.verticesNeedUpdate = true;
circleRadiusLine.geometry.computeBoundingSphere();
circleRadiusLine.position.copy(center);
circleRadiusLine.computeLineDistances();
const target = center.clone().add(N);
circleLine.position.copy(center);
circleLine.scale.set(radius, radius, radius);
circleLine.lookAt(target);
circleRadiusLabel.visible = true;
circleRadiusLabel.position.copy(center.clone().add(B).multiplyScalar(0.5));
circleRadiusLabel.setText(`${radius.toFixed(3)} m`); //단위 추가 수정
//둘레 추가수정
circleRadiusLabel2.visible = true;
circleRadiusLabel2.position.copy(center);
circleRadiusLabel2.setText(`${circumference.toFixed(3)} m`); //단위 추가 수정
}
}