Initial project import

node_modules/three-stdlib/curves/NURBSSurface.js

@@ -0,0 +1,29 @@
+import { Vector4 } from "three";
+import { calcSurfacePoint } from "./NURBSUtils.js";
+class NURBSSurface {
+  constructor(degree1, degree2, knots1, knots2, controlPoints) {
+    this.degree1 = degree1;
+    this.degree2 = degree2;
+    this.knots1 = knots1;
+    this.knots2 = knots2;
+    this.controlPoints = [];
+    const len1 = knots1.length - degree1 - 1;
+    const len2 = knots2.length - degree2 - 1;
+    for (let i = 0; i < len1; ++i) {
+      this.controlPoints[i] = [];
+      for (let j = 0; j < len2; ++j) {
+        const point = controlPoints[i][j];
+        this.controlPoints[i][j] = new Vector4(point.x, point.y, point.z, point.w);
+      }
+    }
+  }
+  getPoint(t1, t2, target) {
+    const u = this.knots1[0] + t1 * (this.knots1[this.knots1.length - 1] - this.knots1[0]);
+    const v = this.knots2[0] + t2 * (this.knots2[this.knots2.length - 1] - this.knots2[0]);
+    calcSurfacePoint(this.degree1, this.degree2, this.knots1, this.knots2, this.controlPoints, u, v, target);
+  }
+}
+export {
+  NURBSSurface
+};
+//# sourceMappingURL=NURBSSurface.js.map