48 lines
2.1 KiB
JavaScript
48 lines
2.1 KiB
JavaScript
"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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var THREE = require("three");
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var three_1 = require("three");
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var PlaneExt = /** @class */ (function (_super) {
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__extends(PlaneExt, _super);
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function PlaneExt(normal, constant) {
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return _super.call(this, normal, constant) || this;
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}
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PlaneExt.prototype.intersectLine = function (line, optionalTarget, extendLine) {
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var v1 = new three_1.Vector3();
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var result = optionalTarget || new three_1.Vector3();
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var direction = line.delta(v1);
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var denominator = this.normal.dot(direction);
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if (denominator === 0) {
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// line is coplanar, return origin
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if (this.distanceToPoint(line.start) === 0) {
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return result.copy(line.start);
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}
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// Unsure if this is the correct method to handle this case.
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return undefined;
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}
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var t = -(line.start.dot(this.normal) + this.constant) / denominator;
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//If you not extendLine,check intersect point in Line
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if (!extendLine && (t < 0 || t > 1)) {
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return undefined;
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}
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return result.copy(direction).multiplyScalar(t).add(line.start);
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};
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PlaneExt.prototype.intersectRay = function (ray, optionalTarget, extendLine) {
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// 从射线初始位置
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var line = new THREE.Line3(ray.origin.clone(), ray.origin.clone().add(ray.direction));
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return this.intersectLine(line, optionalTarget, extendLine);
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};
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return PlaneExt;
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}(THREE.Plane));
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exports.PlaneExt = PlaneExt;
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//# sourceMappingURL=PlaneExt.js.map
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