Initial project import

node_modules/@react-three/drei/core/CatmullRomLine.js

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+import _extends from '@babel/runtime/helpers/esm/extends';
+import * as React from 'react';
+import { Vector3, CatmullRomCurve3, Color } from 'three';
+import { Line } from './Line.js';
+
+const CatmullRomLine = /* @__PURE__ */React.forwardRef(function CatmullRomLine({
+  points,
+  closed = false,
+  curveType = 'centripetal',
+  tension = 0.5,
+  segments = 20,
+  vertexColors,
+  ...rest
+}, ref) {
+  const curve = React.useMemo(() => {
+    const mappedPoints = points.map(pt => pt instanceof Vector3 ? pt : new Vector3(...pt));
+    return new CatmullRomCurve3(mappedPoints, closed, curveType, tension);
+  }, [points, closed, curveType, tension]);
+  const segmentedPoints = React.useMemo(() => curve.getPoints(segments), [curve, segments]);
+  const interpolatedVertexColors = React.useMemo(() => {
+    if (!vertexColors || vertexColors.length < 2) return undefined;
+    if (vertexColors.length === segments + 1) return vertexColors;
+    const mappedColors = vertexColors.map(color => color instanceof Color ? color : new Color(...color));
+    if (closed) mappedColors.push(mappedColors[0].clone());
+    const iColors = [mappedColors[0]];
+    const divisions = segments / (mappedColors.length - 1);
+    for (let i = 1; i < segments; i++) {
+      const alpha = i % divisions / divisions;
+      const colorIndex = Math.floor(i / divisions);
+      iColors.push(mappedColors[colorIndex].clone().lerp(mappedColors[colorIndex + 1], alpha));
+    }
+    iColors.push(mappedColors[mappedColors.length - 1]);
+    return iColors;
+  }, [vertexColors, segments]);
+  return /*#__PURE__*/React.createElement(Line, _extends({
+    ref: ref,
+    points: segmentedPoints,
+    vertexColors: interpolatedVertexColors
+  }, rest));
+});
+
+export { CatmullRomLine };