Initial project import

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

@@ -0,0 +1,76 @@
+import _extends from '@babel/runtime/helpers/esm/extends';
+import * as React from 'react';
+import { useThree, useFrame } from '@react-three/fiber';
+import { useFBO } from './Fbo.js';
+
+const isFunction = node => typeof node === 'function';
+const OrthographicCamera = /* @__PURE__ */React.forwardRef(({
+  envMap,
+  resolution = 256,
+  frames = Infinity,
+  children,
+  makeDefault,
+  ...props
+}, ref) => {
+  const set = useThree(({
+    set
+  }) => set);
+  const camera = useThree(({
+    camera
+  }) => camera);
+  const size = useThree(({
+    size
+  }) => size);
+  const cameraRef = React.useRef(null);
+  React.useImperativeHandle(ref, () => cameraRef.current, []);
+  const groupRef = React.useRef(null);
+  const fbo = useFBO(resolution);
+  React.useLayoutEffect(() => {
+    if (!props.manual) {
+      cameraRef.current.updateProjectionMatrix();
+    }
+  }, [size, props]);
+  React.useLayoutEffect(() => {
+    cameraRef.current.updateProjectionMatrix();
+  });
+  React.useLayoutEffect(() => {
+    if (makeDefault) {
+      const oldCam = camera;
+      set(() => ({
+        camera: cameraRef.current
+      }));
+      return () => set(() => ({
+        camera: oldCam
+      }));
+    }
+    // The camera should not be part of the dependency list because this components camera is a stable reference
+    // that must exchange the default, and clean up after itself on unmount.
+  }, [cameraRef, makeDefault, set]);
+  let count = 0;
+  let oldEnvMap = null;
+  const functional = isFunction(children);
+  useFrame(state => {
+    if (functional && (frames === Infinity || count < frames)) {
+      groupRef.current.visible = false;
+      state.gl.setRenderTarget(fbo);
+      oldEnvMap = state.scene.background;
+      if (envMap) state.scene.background = envMap;
+      state.gl.render(state.scene, cameraRef.current);
+      state.scene.background = oldEnvMap;
+      state.gl.setRenderTarget(null);
+      groupRef.current.visible = true;
+      count++;
+    }
+  });
+  return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("orthographicCamera", _extends({
+    left: size.width / -2,
+    right: size.width / 2,
+    top: size.height / 2,
+    bottom: size.height / -2,
+    ref: cameraRef
+  }, props), !functional && children), /*#__PURE__*/React.createElement("group", {
+    ref: groupRef
+  }, functional && children(fbo.texture)));
+});
+
+export { OrthographicCamera };