30 lines
1.1 KiB
JavaScript
30 lines
1.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
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const THREE = require("three");
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const NURBSUtils = require("./NURBSUtils.cjs");
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class NURBSSurface {
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constructor(degree1, degree2, knots1, knots2, controlPoints) {
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this.degree1 = degree1;
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this.degree2 = degree2;
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this.knots1 = knots1;
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this.knots2 = knots2;
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this.controlPoints = [];
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const len1 = knots1.length - degree1 - 1;
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const len2 = knots2.length - degree2 - 1;
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for (let i = 0; i < len1; ++i) {
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this.controlPoints[i] = [];
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for (let j = 0; j < len2; ++j) {
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const point = controlPoints[i][j];
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this.controlPoints[i][j] = new THREE.Vector4(point.x, point.y, point.z, point.w);
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}
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}
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}
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getPoint(t1, t2, target) {
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const u = this.knots1[0] + t1 * (this.knots1[this.knots1.length - 1] - this.knots1[0]);
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const v = this.knots2[0] + t2 * (this.knots2[this.knots2.length - 1] - this.knots2[0]);
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NURBSUtils.calcSurfacePoint(this.degree1, this.degree2, this.knots1, this.knots2, this.controlPoints, u, v, target);
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}
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}
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exports.NURBSSurface = NURBSSurface;
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//# sourceMappingURL=NURBSSurface.cjs.map
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