Initial project import

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

@@ -0,0 +1,86 @@
+import * as THREE from 'three';
+import { WebGLCubeRenderTarget, HalfFloatType } from 'three';
+import * as React from 'react';
+import { useMemo, useEffect } from 'react';
+import { useThree, useFrame } from '@react-three/fiber';
+
+function useCubeCamera({
+  resolution = 256,
+  near = 0.1,
+  far = 1000,
+  envMap,
+  fog
+} = {}) {
+  const gl = useThree(({
+    gl
+  }) => gl);
+  const scene = useThree(({
+    scene
+  }) => scene);
+  const fbo = useMemo(() => {
+    const fbo = new WebGLCubeRenderTarget(resolution);
+    fbo.texture.type = HalfFloatType;
+    return fbo;
+  }, [resolution]);
+  useEffect(() => {
+    return () => {
+      fbo.dispose();
+    };
+  }, [fbo]);
+  const camera = useMemo(() => new THREE.CubeCamera(near, far, fbo), [near, far, fbo]);
+  let originalFog;
+  let originalBackground;
+  const update = React.useCallback(() => {
+    originalFog = scene.fog;
+    originalBackground = scene.background;
+    scene.background = envMap || originalBackground;
+    scene.fog = fog || originalFog;
+    camera.update(gl, scene);
+    scene.fog = originalFog;
+    scene.background = originalBackground;
+  }, [gl, scene, camera]);
+  return {
+    fbo,
+    camera,
+    update
+  };
+}
+function CubeCamera({
+  children,
+  frames = Infinity,
+  resolution,
+  near,
+  far,
+  envMap,
+  fog,
+  ...props
+}) {
+  const ref = React.useRef(null);
+  const {
+    fbo,
+    camera,
+    update
+  } = useCubeCamera({
+    resolution,
+    near,
+    far,
+    envMap,
+    fog
+  });
+  let count = 0;
+  useFrame(() => {
+    if (ref.current && (frames === Infinity || count < frames)) {
+      ref.current.visible = false;
+      update();
+      ref.current.visible = true;
+      count++;
+    }
+  });
+  return /*#__PURE__*/React.createElement("group", props, /*#__PURE__*/React.createElement("primitive", {
+    object: camera
+  }), /*#__PURE__*/React.createElement("group", {
+    ref: ref
+  }, children == null ? void 0 : children(fbo.texture)));
+}
+
+export { CubeCamera, useCubeCamera };