src/components/ebike/Ebike.tsx

@@ -0,0 +1,80 @@
+import { useRef } from "react";
+import * as THREE from "three";
+import { InteractableObject } from "@/components/three/interaction/InteractableObject";
+import { useLoggedGLTF } from "@/hooks/three/useLoggedGLTF";
+import { useClonedObject } from "@/hooks/three/useClonedObject";
+import { animateCameraTransition } from "@/world/GameCinematics";
+import { useGameStore } from "@/managers/stores/useGameStore";
+import type { Vector3Tuple } from "@/types/three/three";
+
+const EBIKE_MODEL_PATH = "/models/ebike/model.gltf";
+const EBIKE_CAMERA_POSITION: Vector3Tuple = [0, 1.5, -2];
+const EBIKE_DROP_PLAYER_POSITION: Vector3Tuple = [2, 0, 0];
+
+interface EbikeProps {
+  position: Vector3Tuple;
+}
+
+export function Ebike({ position }: EbikeProps): React.JSX.Element {
+  const groupRef = useRef<THREE.Group>(null);
+  const { scene } = useLoggedGLTF(EBIKE_MODEL_PATH, {
+    scope: "Ebike",
+    position,
+  });
+  const model = useClonedObject(scene);
+  const movementMode = useGameStore((state) => state.player.movementMode);
+
+  const handleInteract = (): void => {
+    if (movementMode === "walk") {
+      const targetCamPos: Vector3Tuple = [
+        position[0] + EBIKE_CAMERA_POSITION[0],
+        position[1] + EBIKE_CAMERA_POSITION[1],
+        position[2] + EBIKE_CAMERA_POSITION[2],
+      ];
+      const targetLookAt: Vector3Tuple = [
+        position[0],
+        position[1] + 1,
+        position[2],
+      ];
+
+      animateCameraTransition(targetCamPos, targetLookAt, 1, () => {
+        useGameStore.getState().setPlayerMovementMode("ebike");
+      });
+    } else {
+      const targetCamPos: Vector3Tuple = [
+        position[0] + EBIKE_DROP_PLAYER_POSITION[0],
+        position[1] + EBIKE_DROP_PLAYER_POSITION[1],
+        position[2] + EBIKE_DROP_PLAYER_POSITION[2],
+      ];
+      const targetLookAt: Vector3Tuple = [
+        position[0],
+        position[1] + 1,
+        position[2],
+      ];
+
+      animateCameraTransition(targetCamPos, targetLookAt, 1, () => {
+        useGameStore.getState().setPlayerMovementMode("walk");
+      });
+    }
+  };
+
+  return (
+    <group ref={groupRef}>
+      <primitive object={model} />
+      <InteractableObject
+        kind="trigger"
+        label={
+          movementMode === "walk" ? "Monter sur le bike" : "Descendre du bike"
+        }
+        position={position}
+        radius={10}
+        onPress={handleInteract}
+      >
+        <mesh>
+          <boxGeometry args={[1.5, 1.5, 1.5]} />
+          <meshStandardMaterial color="red" opacity={0.5} transparent />
+        </mesh>
+      </InteractableObject>
+    </group>
+  );
+}

src/data/player/playerConfig.ts

@@ -4,6 +4,7 @@ export const PLAYER_EYE_HEIGHT = 1.75;
 export const PLAYER_CAPSULE_RADIUS = 0.35;
 
 export const PLAYER_WALK_SPEED = 11;
+export const PLAYER_EBIKE_SPEED = 25;
 export const PLAYER_AIR_CONTROL_FACTOR = 0.35;
 export const PLAYER_JUMP_SPEED = 9;
 export const PLAYER_GRAVITY = 30;

src/managers/stores/useGameStore.ts

@@ -7,8 +7,13 @@ import {
   type MissionStep,
   type RepairMissionId,
 } from "@/types/gameplay/repairMission";
+import {
+  PLAYER_WALK_SPEED,
+  PLAYER_EBIKE_SPEED,
+} from "@/data/player/playerConfig";
 
 export type MainGameState = "intro" | "bike" | "pylone" | "ferme" | "outro";
+export type PlayerMovementMode = "walk" | "ebike";
 export type { MissionStep, RepairMissionId };
 
 interface IntroState {
@@ -30,10 +35,16 @@ interface MissionFlowState {
   playerName: string;
 }
 
+interface PlayerState {
+  movementMode: PlayerMovementMode;
+  currentSpeed: number;
+}
+
 interface GameState {
   mainState: MainGameState;
   isCinematicPlaying: boolean;
   missionFlow: MissionFlowState;
+  player: PlayerState;
   intro: IntroState;
   bike: MissionState & {
     isRepaired: boolean;
@@ -56,6 +67,7 @@ interface GameActions {
   hideDialog: () => void;
   setActivityCity: (activityCity: boolean) => void;
   setCanMove: (canMove: boolean) => void;
+  setPlayerMovementMode: (mode: PlayerMovementMode) => void;
   setIntroStep: (step: GameStep) => void;
   setIntroState: (intro: Partial<IntroState>) => void;
   setPlayerName: (playerName: string) => void;
@@ -209,6 +221,10 @@ function createInitialGameState(): GameState {
       dialogMessage: null,
       playerName: "",
     },
+    player: {
+      movementMode: "walk",
+      currentSpeed: PLAYER_WALK_SPEED,
+    },
     intro: {
       currentStep: "intro",
       dialogueAudio: null,
@@ -249,6 +265,14 @@ export const useGameStore = create<GameStore>()((set) => ({
     set((state) => ({
       missionFlow: { ...state.missionFlow, activityCity },
     })),
+  setPlayerMovementMode: (mode) =>
+    set((state) => ({
+      player: {
+        ...state.player,
+        movementMode: mode,
+        currentSpeed: mode === "ebike" ? PLAYER_EBIKE_SPEED : PLAYER_WALK_SPEED,
+      },
+    })),
   setCanMove: (canMove) =>
     set((state) => ({
       missionFlow: { ...state.missionFlow, canMove },

src/world/GameCinematics.tsx

@@ -9,6 +9,7 @@ import type {
   CinematicManifest,
 } from "@/types/cinematics/cinematics";
 import type { DialogueManifest } from "@/types/dialogues/dialogues";
+import type { Vector3Tuple } from "@/types/three/three";
 import { logger } from "@/utils/core/Logger";
 import { loadCinematicManifest } from "@/utils/cinematics/loadCinematicManifest";
 import { loadDialogueManifest } from "@/utils/dialogues/loadDialogueManifest";
@@ -16,6 +17,11 @@ import { queueDialogueById } from "@/utils/dialogues/playDialogue";
 
 export function GameCinematics(): null {
   const camera = useThree((state) => state.camera);
+
+  useEffect(() => {
+    setGlobalCamera(camera);
+  }, [camera]);
+
   const [manifest, setManifest] = useState<CinematicManifest | null>(null);
   const [dialogueManifest, setDialogueManifest] =
     useState<DialogueManifest | null>(null);
@@ -171,3 +177,59 @@ function playCinematic(
 
   timelineRef.current = timeline;
 }
+
+let cameraTransitionTimeline: gsap.core.Timeline | null = null;
+let globalCamera: THREE.Camera | null = null;
+
+export function setGlobalCamera(camera: THREE.Camera): void {
+  globalCamera = camera;
+}
+
+export function animateCameraTransition(
+  targetPosition: Vector3Tuple,
+  targetLookAt: Vector3Tuple,
+  duration: number = 1,
+  onComplete?: () => void,
+): void {
+  if (!globalCamera) {
+    logger.warn("GameCinematics", "Camera not found for transition");
+    onComplete?.();
+    return;
+  }
+
+  const camera = globalCamera;
+
+  cameraTransitionTimeline?.kill();
+  useGameStore.getState().setCinematicPlaying(true);
+
+  const target = new THREE.Vector3(...targetLookAt);
+
+  cameraTransitionTimeline = gsap.timeline({
+    onUpdate: () => camera.lookAt(target),
+    onComplete: () => {
+      cameraTransitionTimeline = null;
+      useGameStore.getState().setCinematicPlaying(false);
+      onComplete?.();
+    },
+  });
+
+  cameraTransitionTimeline.to(camera.position, {
+    x: targetPosition[0],
+    y: targetPosition[1],
+    z: targetPosition[2],
+    duration,
+    ease: "power2.inOut",
+  });
+
+  cameraTransitionTimeline.to(
+    target,
+    {
+      x: targetLookAt[0],
+      y: targetLookAt[1],
+      z: targetLookAt[2],
+      duration,
+      ease: "power2.inOut",
+    },
+    0,
+  );
+}

src/world/GameStageContent.tsx

@@ -1,4 +1,5 @@
 import { RepairGame } from "@/components/three/gameplay/RepairGame";
+import { Ebike } from "@/components/ebike/Ebike";
 import { useGameStore } from "@/managers/stores/useGameStore";
 import type { RepairMissionId } from "@/types/gameplay/repairMission";
 import type { Vector3Tuple } from "@/types/three/three";
@@ -50,12 +51,15 @@ function StageAnchor({
 
 export function GameStageContent(): React.JSX.Element {
   const mainState = useGameStore((state) => state.mainState);
+  const isBikeUnlocked = useGameStore((state) => state.intro.isBikeUnlocked);
 
   return (
     <>
       {mainState === "intro" ? (
         <StageAnchor color="#7dd3fc" position={[0, 4, 0]} />
       ) : null}
+      {/* {isBikeUnlocked ? <Ebike position={[0, 15, 0]} /> : null} */}
+      <Ebike position={[0, 5, 0]} />
       {GAME_REPAIR_ZONES.map((zone) => (
         <RepairGame
           key={zone.mission}

src/world/player/PlayerController.tsx

@@ -20,7 +20,6 @@ import {
   PLAYER_GRAVITY,
   PLAYER_JUMP_SPEED,
   PLAYER_MAX_DELTA,
-  PLAYER_WALK_SPEED,
   PLAYER_XZ_DAMPING_FACTOR,
 } from "@/data/player/playerConfig";
 import { useRepairMovementLocked } from "@/hooks/gameplay/useRepairMovementLocked";
@@ -108,6 +107,7 @@ export function PlayerController({
   const wantsJump = useRef(false);
   const initializedRef = useRef(false);
   const canMove = useGameStore((state) => state.missionFlow.canMove);
+  const currentSpeed = useGameStore((state) => state.player.currentSpeed);
 
   const capsule = useRef(createSpawnCapsule(spawnPosition));
 
@@ -237,8 +237,8 @@ export function PlayerController({
     if (_wishDir.lengthSq() > 0) _wishDir.normalize();
 
     const accel = onFloor.current
-      ? PLAYER_WALK_SPEED
+      ? currentSpeed
-      : PLAYER_WALK_SPEED * PLAYER_AIR_CONTROL_FACTOR;
+      : currentSpeed * PLAYER_AIR_CONTROL_FACTOR;
     velocity.current.x +=
       _wishDir.x * accel * dt * PLAYER_ACCELERATION_MULTIPLIER;
     velocity.current.z +=