feat: Introduce tekton_walking 3D model, implement a CameraContextManager for dynamic camera positioning, and add a ScreenShakeManager script.

scripts/managers/screen_shake.gd

@@ -6,7 +6,7 @@ var camera: Camera3D
 var shake_intensity: float = 0.0
 var shake_duration: float = 0.0
 var shake_timer: float = 0.0
-var original_position: Vector3
+var target_position: Vector3 # Replaces original_position
 
 # Shake presets
 const SHAKE_TARGETED: Dictionary = {"intensity": 0.15, "duration": 0.4}
@@ -17,56 +17,17 @@ func initialize(p_camera: Camera3D):
 	"""Initialize with specific camera instance."""
 	camera = p_camera
 	if camera:
-		original_position = camera.position
+		target_position = camera.position
 		print("[ScreenShakeManager] Initialized with camera: ", camera.name)
 	else:
 		push_warning("[ScreenShakeManager] Initialized with null camera")
 
-func _process(delta):
-	if shake_timer > 0:
-		shake_timer -= delta
-		if camera:
-			var shake_offset = Vector3(
-				randf_range(-shake_intensity, shake_intensity),
-				randf_range(-shake_intensity, shake_intensity),
-				randf_range(-shake_intensity * 0.5, shake_intensity * 0.5)
-			)
-			camera.position = original_position + shake_offset
-		
-		if shake_timer <= 0:
-			_reset_camera()
-
-func _reset_camera():
-	if camera:
-		camera.position = original_position
-	shake_timer = 0.0
-	shake_intensity = 0.0
-
-func shake(intensity: float, duration: float):
-	"""Trigger camera shake with given intensity and duration."""
-	if not camera:
-		push_warning("Screen shake requested but no camera assigned!")
+func set_target_position(new_pos: Vector3, duration: float = 1.0):
+	"""Smoothly transition to a new base camera position."""
+	if target_position == new_pos:
 		return
-	
-	if camera:
-		# If already shaking, reset camera first to get true original position
-		if shake_timer > 0:
-			camera.position = original_position
-		else:
-			original_position = camera.position
 		
-		shake_intensity = intensity
-		shake_duration = duration
-		shake_timer = duration
+	# 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)
 
-func shake_targeted():
-	"""Called when local player is targeted by opponent's powerup."""
-	shake(SHAKE_TARGETED.intensity, SHAKE_TARGETED.duration)
-
-func shake_goal_complete():
-	"""Called when local player completes a goal."""
-	shake(SHAKE_GOAL_COMPLETE.intensity, SHAKE_GOAL_COMPLETE.duration)
-
-func shake_light():
-	"""Light shake for minor events."""
-	shake(SHAKE_LIGHT.intensity, SHAKE_LIGHT.duration)