fix: archi player

src/world/player/PlayerCamera.tsx

@@ -0,0 +1,25 @@
+import { useEffect } from "react";
+import { PointerLockControls } from "@react-three/drei";
+import { useThree } from "@react-three/fiber";
+import * as THREE from "three";
+
+export const PLAYER_EYE_HEIGHT = 1.75;
+
+const PLAYER_SPAWN_POSITION = new THREE.Vector3(0, PLAYER_EYE_HEIGHT, 6);
+const PLAYER_LOOK_AT = new THREE.Vector3(0, PLAYER_EYE_HEIGHT, 0);
+
+export function PlayerCamera(): React.JSX.Element {
+  const camera = useThree((state) => state.camera);
+
+  useEffect(() => {
+    camera.position.copy(PLAYER_SPAWN_POSITION);
+    camera.lookAt(PLAYER_LOOK_AT);
+    camera.updateProjectionMatrix();
+
+    return () => {
+      document.exitPointerLock?.();
+    };
+  }, [camera]);
+
+  return <PointerLockControls />;
+}

src/world/player/PlayerComponent.tsx

@@ -0,0 +1,11 @@
+import { PlayerCamera } from "@/world/player/PlayerCamera";
+import { PlayerController } from "@/world/player/PlayerController";
+
+export function PlayerComponent(): React.JSX.Element {
+  return (
+    <>
+      <PlayerCamera />
+      <PlayerController />
+    </>
+  );
+}

src/world/player/PlayerController.tsx

@@ -1,11 +1,11 @@
 import { useEffect, useRef } from "react";
-import { PointerLockControls } from "@react-three/drei";
 import { useFrame, useThree } from "@react-three/fiber";
 import * as THREE from "three";
+import { PLAYER_EYE_HEIGHT } from "@/world/player/PlayerCamera";
 
-const PLAYER_EYE_HEIGHT = 1.75;
-const PLAYER_SPAWN_POSITION = new THREE.Vector3(0, PLAYER_EYE_HEIGHT, 6);
-const PLAYER_LOOK_AT = new THREE.Vector3(0, PLAYER_EYE_HEIGHT, 0);
+const JUMP_HEIGHT = 1;
+const GRAVITY = 18;
+const JUMP_VELOCITY = Math.sqrt(2 * GRAVITY * JUMP_HEIGHT);
 const MOVE_SPEED = 5;
 
 type PlayerKeys = {
@@ -22,47 +22,43 @@ const DEFAULT_KEYS: PlayerKeys = {
   right: false,
 };
 
-export function FPSController(): React.JSX.Element {
+export function PlayerController(): null {
   const camera = useThree((state) => state.camera);
   const keys = useRef<PlayerKeys>({ ...DEFAULT_KEYS });
   const interact = useRef<() => void>(() => {});
+  const verticalVelocity = useRef(0);
   const forward = useRef(new THREE.Vector3());
   const right = useRef(new THREE.Vector3());
   const movement = useRef(new THREE.Vector3());
   const up = useRef(new THREE.Vector3(0, 1, 0));
 
-  useEffect(() => {
-    camera.position.copy(PLAYER_SPAWN_POSITION);
-    camera.lookAt(PLAYER_LOOK_AT);
-    camera.updateProjectionMatrix();
-
-    return () => {
-      document.exitPointerLock?.();
-    };
-  }, [camera]);
-
   useEffect(() => {
     const handleKeyChange =
       (pressed: boolean) =>
       (event: KeyboardEvent): void => {
-        switch (event.code) {
-          case "KeyZ":
+        switch (event.key.toLowerCase()) {
+          case "z":
             keys.current.forward = pressed;
             break;
-          case "KeyS":
+          case "s":
             keys.current.backward = pressed;
             break;
-          case "KeyQ":
+          case "q":
             keys.current.left = pressed;
             break;
-          case "KeyD":
+          case "d":
             keys.current.right = pressed;
             break;
-          case "KeyE":
+          case "e":
             if (pressed) {
               interact.current();
             }
             break;
+          case " ":
+            if (pressed && camera.position.y <= PLAYER_EYE_HEIGHT) {
+              verticalVelocity.current = JUMP_VELOCITY;
+            }
+            break;
           default:
             return;
         }
@@ -81,7 +77,7 @@ export function FPSController(): React.JSX.Element {
       window.removeEventListener("keyup", handleKeyUp);
       keys.current = { ...DEFAULT_KEYS };
     };
-  }, []);
+  }, [camera]);
 
   useFrame((_, delta) => {
     const currentForward = forward.current;
@@ -119,7 +115,13 @@ export function FPSController(): React.JSX.Element {
       camera.position.add(currentMovement);
     }
 
+    verticalVelocity.current -= GRAVITY * delta;
+
+    const nextY = camera.position.y + verticalVelocity.current * delta;
+    camera.position.set(camera.position.x, nextY, camera.position.z);
+
     if (camera.position.y < PLAYER_EYE_HEIGHT) {
+      verticalVelocity.current = 0;
       camera.position.set(
         camera.position.x,
         PLAYER_EYE_HEIGHT,
@@ -128,5 +130,5 @@ export function FPSController(): React.JSX.Element {
     }
   });
 
-  return <PointerLockControls />;
+  return null;
 }