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luxiaotao1123

2024-05-11 31beb8b95d758d7bfdbb6e233e0de0d9f9429a21

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 src/components/camera.jsx

@@ -2,49 +2,14 @@
import { useThree } from '@react-three/fiber';
import {
    PerspectiveCamera,
    CameraControls,
    PresentationControls,
    FlyControls,
    OrbitControls,
    FirstPersonControls,
    MapControls,
} from '@react-three/drei';

const Camera = (props) => {
    const threeObj = useThree();
    const camera = threeObj.camera;

    const [choiceCtrls, setChoiceCtrls] = useState(true);

    const ctrl = () => {
        return (
            <group>
                {/* 相机控制器 */}
                {/* <PresentationControls /> */}
                <CameraControls />
                {/* <PointerCtrl /> */}
            </group>
        );
    };

    const flyCtrl = () => {
        return (
            <group>
                <FirstPersonControls
                    far={100000}
                    movementSpeed={100}
                    activeLook={false}
                    lookVertical={true}
                ></FirstPersonControls>
                {/* <OrbitControls /> */}
                <MapControls zoomSpeed={0.1} />
            </group>
        );
    };

    return (
        <>
            {choiceCtrls ? ctrl() : flyCtrl()}
            <PerspectiveCamera
                makeDefault
                position={[-100, 200, 1000]}

 src/components/ctrl.jsx

New file
@@ -0,0 +1,55 @@
import React, { useState, useEffect } from 'react';
import {
    PerspectiveCamera,
    CameraControls,
    PresentationControls,
    FlyControls,
    OrbitControls,
    FirstPersonControls,
    MapControls,
} from '@react-three/drei';

const Controls = (props) => {
    const [choiceCtrls, setChoiceCtrls] = useState(false);

    useEffect(() => {
        if (props.fly) {
            setChoiceCtrls(false);
        } else {
            setChoiceCtrls(true);
        }
    }, [props])

    const ctrl = () => {
        return (
            <group>
                {/* <PresentationControls /> */}
                <CameraControls />
                {/* <PointerCtrl /> */}
            </group>
        );
    };

    const flyCtrl = () => {
        return (
            <group>
                <FirstPersonControls
                    far={100000}
                    movementSpeed={100}
                    activeLook={false}
                    lookVertical={true}
                ></FirstPersonControls>
                {/* <OrbitControls /> */}
                <MapControls zoomSpeed={0.1} />
            </group>
        );
    };

    return (
        <>
            {choiceCtrls ? ctrl() : flyCtrl()}
        </>
    );
};

export default Controls;

 src/pages/fiber.jsx

@@ -4,6 +4,7 @@
import Help from '../components/help'
import Lights from '../components/light'
import Camera from '../components/camera'
import Controls from '../components/ctrl'
import Buildings from '../components/buidings'
import TreeGroup from '../components/tree-group'
import House from '../components/house'
@@ -23,6 +24,7 @@
            >
                <Lights />
                <Camera />
                <Controls />
                <Sky distance={450000} sunPosition={[0, 1, 0]} inclination={0} azimuth={0.25} />
                <Buildings />
                <TreeGroup />