Initial project import

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

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+import _extends from '@babel/runtime/helpers/esm/extends';
+import * as THREE from 'three';
+import * as React from 'react';
+import { MarchingCubes as MarchingCubes$1 } from 'three-stdlib';
+import { useFrame } from '@react-three/fiber';
+
+const globalContext = /* @__PURE__ */React.createContext(null);
+const MarchingCubes = /* @__PURE__ */React.forwardRef(({
+  resolution = 28,
+  maxPolyCount = 10000,
+  enableUvs = false,
+  enableColors = false,
+  children,
+  ...props
+}, ref) => {
+  const marchingCubesRef = React.useRef(null);
+  React.useImperativeHandle(ref, () => marchingCubesRef.current, []);
+  const marchingCubes = React.useMemo(() => new MarchingCubes$1(resolution, null, enableUvs, enableColors, maxPolyCount), [resolution, maxPolyCount, enableUvs, enableColors]);
+  const api = React.useMemo(() => ({
+    getParent: () => marchingCubesRef
+  }), []);
+  useFrame(() => {
+    marchingCubes.update();
+    marchingCubes.reset();
+  }, -1); // To make sure the reset runs before the balls or planes are added
+
+  return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("primitive", _extends({
+    object: marchingCubes,
+    ref: marchingCubesRef
+  }, props), /*#__PURE__*/React.createElement(globalContext.Provider, {
+    value: api
+  }, children)));
+});
+const MarchingCube = /* @__PURE__ */React.forwardRef(({
+  strength = 0.5,
+  subtract = 12,
+  color,
+  ...props
+}, ref) => {
+  const {
+    getParent
+  } = React.useContext(globalContext);
+  const parentRef = React.useMemo(() => getParent(), [getParent]);
+  const cubeRef = React.useRef(null);
+  React.useImperativeHandle(ref, () => cubeRef.current, []);
+  const vec = new THREE.Vector3();
+  useFrame(state => {
+    if (!parentRef.current || !cubeRef.current) return;
+    cubeRef.current.getWorldPosition(vec);
+    parentRef.current.addBall(0.5 + vec.x * 0.5, 0.5 + vec.y * 0.5, 0.5 + vec.z * 0.5, strength, subtract, color);
+  });
+  return /*#__PURE__*/React.createElement("group", _extends({
+    ref: cubeRef
+  }, props));
+});
+const MarchingPlane = /* @__PURE__ */React.forwardRef(({
+  planeType: _planeType = 'x',
+  strength = 0.5,
+  subtract = 12,
+  ...props
+}, ref) => {
+  const {
+    getParent
+  } = React.useContext(globalContext);
+  const parentRef = React.useMemo(() => getParent(), [getParent]);
+  const wallRef = React.useRef(null);
+  React.useImperativeHandle(ref, () => wallRef.current, []);
+  const planeType = React.useMemo(() => _planeType === 'x' ? 'addPlaneX' : _planeType === 'y' ? 'addPlaneY' : 'addPlaneZ', [_planeType]);
+  useFrame(() => {
+    if (!parentRef.current || !wallRef.current) return;
+    parentRef.current[planeType](strength, subtract);
+  });
+  return /*#__PURE__*/React.createElement("group", _extends({
+    ref: wallRef
+  }, props));
+});
+
+export { MarchingCube, MarchingCubes, MarchingPlane };