Add camera.py

camera.py

@@ -0,0 +1,21 @@
+import pygame
+from settings import *
+
+class Camera:
+    def __init__(self, target):
+        self.target = target
+        self.offset = pygame.Vector2(0, 0)
+
+    def update(self):
+        # Smooth camera movement
+        target_x = self.target.rect.centerx - SCREEN_WIDTH // 2
+        target_y = self.target.rect.centery - SCREEN_HEIGHT // 2
+
+        self.offset.x += (target_x - self.offset.x) * CAMERA_SMOOTHING
+        self.offset.y += (target_y - self.offset.y) * CAMERA_SMOOTHING
+
+    def apply(self, rect):
+        return rect.move(-self.offset.x, -self.offset.y)
+
+    def screen_to_world(self, pos):
+        return (pos[0] + self.offset.x, pos[1] + self.offset.y)