feat: the rebuild gamemode of "Gauntlet"

scripts/managers/screen_shake.gd

@@ -1,12 +1,12 @@
 extends Node
 
-# ScreenShakeManager - Handles camera shake effects for impact feedback
+# ScreenShakeManager - Camera-local shake that follows the player
 
 var camera: Camera3D
 var shake_intensity: float = 0.0
 var shake_duration: float = 0.0
 var shake_timer: float = 0.0
-var target_position: Vector3 # Replaces original_position
+var shake_offset: Vector3 = Vector3.ZERO
 
 # Shake presets
 const SHAKE_TARGETED: Dictionary = {"intensity": 0.15, "duration": 0.4}
@@ -14,19 +14,33 @@ const SHAKE_GOAL_COMPLETE: Dictionary = {"intensity": 0.1, "duration": 0.3}
 const SHAKE_LIGHT: Dictionary = {"intensity": 0.05, "duration": 0.2}
 
 func initialize(p_camera: Camera3D):
-	"""Initialize with specific camera instance."""
 	camera = p_camera
-	if camera:
-		target_position = camera.position
-		print("[ScreenShakeManager] Initialized with camera: ", camera.name)
-	else:
-		push_warning("[ScreenShakeManager] Initialized with null camera")
 
-func set_target_position(new_pos: Vector3, duration: float = 1.0):
-	"""Smoothly transition to a new base camera position."""
-	if target_position == new_pos:
+func shake(intensity: float, duration: float) -> void:
+	"""Trigger a camera shake. Intensity in world units, duration in seconds."""
+	if intensity <= 0 or duration <= 0:
 		return
-		
-	# Tween the target position
-	var tween = create_tween()
-	tween.tween_property(self, "target_position", new_pos, duration).set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_IN_OUT)
+	# Take the stronger shake if already active
+	if shake_timer > 0 and intensity <= shake_intensity:
+		return
+	shake_intensity = intensity
+	shake_duration = duration
+	shake_timer = duration
+
+func _process(delta: float) -> void:
+	if not camera or not is_instance_valid(camera):
+		return
+	if shake_timer > 0:
+		shake_timer -= delta
+		var progress = shake_timer / shake_duration
+		# Fade out intensity as timer expires
+		var current_intensity = shake_intensity * progress
+		# Random offset within intensity range
+		shake_offset = Vector3(
+			randf_range(-current_intensity, current_intensity),
+			randf_range(-current_intensity, current_intensity) * 0.5,
+			randf_range(-current_intensity, current_intensity)
+		)
+		camera.position += shake_offset
+	else:
+		shake_offset = Vector3.ZERO