@itwin/core-frontend
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iTwin.js frontend components
28 lines • 1.2 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Bentley Systems, Incorporated. All rights reserved.
* See LICENSE.md in the project root for license terms and full copyright notice.
*--------------------------------------------------------------------------------------------*/
/** @packageDocumentation
* @module Utils
*/
/** @internal */
export function linePlaneIntersect(outP, linePt, lineNormal, planePt, planeNormal, perpendicular) {
let dot = 0;
if (lineNormal)
dot = lineNormal.dotProduct(planeNormal);
else
perpendicular = true;
let temp;
if (perpendicular || Math.abs(dot) < .001) {
const t = linePt.vectorTo(planePt).dotProduct(planeNormal);
temp = planeNormal.scale(t);
}
else {
const t = (planeNormal.dotProduct(planePt) - planeNormal.dotProduct(linePt)) / dot;
// If lineNormal is undefined, perpendicular will be true, so we can't get here.
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
temp = lineNormal.scale(t);
}
outP.setFrom(temp.plus(linePt));
}
//# sourceMappingURL=LinePlaneIntersect.js.map