Files
Dwinzo_Demo/app/src/modules/scene/camera/camMode.tsx

112 lines
4.5 KiB
TypeScript

import { useFrame, useThree } from "@react-three/fiber";
import React, { useEffect, useState } from "react";
import { useKeyboardControls } from "@react-three/drei";
import * as CONSTANTS from "../../../types/world/worldConstants";
import { useCamMode, useToggleView } from "../../../store/builder/store";
import switchToThirdPerson from "./functions/switchToThirdPerson";
import switchToFirstPerson from "./functions/switchToFirstPerson";
import { detectModifierKeys } from "../../../utils/shortcutkeys/detectModifierKeys";
import { OrthographicCamera, PerspectiveCamera } from "three";
const CamMode: React.FC = () => {
const { camMode, setCamMode } = useCamMode();
const [_, get] = useKeyboardControls();
const [isTransitioning, setIsTransitioning] = useState(false);
const state: {
camera: PerspectiveCamera | OrthographicCamera;
controls: any;
gl: { domElement: HTMLElement };
} = useThree();
const { toggleView } = useToggleView();
const [isShiftActive, setIsShiftActive] = useState(false);
useEffect(() => {
const handlePointerLockChange = async () => {
if (document.pointerLockElement && !toggleView) {
return;
} else if (camMode === "FirstPerson" && !toggleView) {
setCamMode("ThirdPerson");
await switchToThirdPerson(state.controls, state.camera);
}
};
document.addEventListener("pointerlockchange", handlePointerLockChange);
return () => {
document.removeEventListener("pointerlockchange", handlePointerLockChange);
};
}, [camMode, toggleView, setCamMode, state.controls, state.camera]);
useEffect(() => {
const handleKeyPress = async (event: KeyboardEvent) => {
if (!state.controls) return;
const keyCombination = detectModifierKeys(event);
if (keyCombination === "/" && !isTransitioning && !toggleView) {
setIsTransitioning(true);
state.controls.mouseButtons.left = CONSTANTS.controlsTransition.leftMouse;
state.controls.mouseButtons.right = CONSTANTS.controlsTransition.rightMouse;
state.controls.mouseButtons.wheel = CONSTANTS.controlsTransition.wheelMouse;
state.controls.mouseButtons.middle = CONSTANTS.controlsTransition.middleMouse;
if (camMode === "ThirdPerson") {
setCamMode("FirstPerson");
await switchToFirstPerson(state.controls, state.camera);
} else if (camMode === "FirstPerson") {
setCamMode("ThirdPerson");
await switchToThirdPerson(state.controls, state.camera);
}
setIsTransitioning(false);
}
if (keyCombination === "Shift") {
setIsShiftActive(true);
}
};
const handleKeyUp = (event: KeyboardEvent) => {
if (event.key === "Shift") {
setIsShiftActive(false);
}
};
state.gl.domElement.addEventListener("keydown", handleKeyPress);
state.gl.domElement.addEventListener("keyup", handleKeyUp);
return () => {
state.gl.domElement.removeEventListener("keydown", handleKeyPress);
state.gl.domElement.removeEventListener("keyup", handleKeyUp);
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [camMode, isTransitioning, toggleView, state.controls, state.camera, state.gl, setCamMode]);
useFrame(() => {
const { forward, backward, left, right } = get();
if (!state.controls) return;
if (camMode === "ThirdPerson" || !document.pointerLockElement) return;
const speedMultiplier = isShiftActive ? CONSTANTS.firstPersonControls.sprintSpeed : CONSTANTS.firstPersonControls.walkSpeed;
if (forward) {
state.controls.forward(CONSTANTS.firstPersonControls.forwardSpeed * speedMultiplier, true);
}
if (backward) {
state.controls.forward(CONSTANTS.firstPersonControls.backwardSpeed * speedMultiplier, true);
}
if (left) {
state.controls.truck(CONSTANTS.firstPersonControls.leftSpeed * speedMultiplier, 0, true);
}
if (right) {
state.controls.truck(CONSTANTS.firstPersonControls.rightSpeed * speedMultiplier, 0, true);
}
});
return null;
};
export default CamMode;