Made the camera follow the robot.

robotgame/block.py

@@ -40,6 +40,7 @@ class Block(worldobject.WorldObject):
             self.holder = obj
 
     def draw(self, window):
-        window.blit(self.img, (self.x - 32,
-                               self.y - self.img.get_size()[1]))
+        window.blit(self.img, (self.x - 32 - self.level.camera_x,
+                               self.y - self.img.get_size()[1]
+                               - self.level.camera_y))
 

robotgame/level.py

@@ -24,10 +24,24 @@
 A generic level.
 """
 
+import player
+
 class Level(object):
-    def __init__(self, graphics_dir, paused=False):
+    def __init__(self, game, graphics_dir, paused=False):
         self.__dict__.update(locals())
 
+        self.tiles = []
+        self.objects = []
+        self.imgs = {}
+
+        self.load()
+
+        self.camera_x = 0
+        self.camera_y = 0
+
+        self.player = player.Player(self, 0, 0)
+        self.objects.append(self.player)
+
     def restart(self):
         pass
 
@@ -36,6 +50,10 @@ class Level(object):
             for obj in self.objects:
                 obj.update(e, t, dt)
 
+        screen_size = self.game.window.get_size()
+        self.camera_x = self.player.x - screen_size[0] / 2
+        self.camera_y = self.player.y - screen_size[1] / 2
+
     def draw(self, window):
         for tile in self.tiles:
             tile.draw(window)

robotgame/level1.py

@@ -34,26 +34,16 @@ import tile
 import block
 
 class Level1(level.Level):
-    def __init__(self, graphics_dir, paused=False):
-        level.Level.__init__(self, graphics_dir, paused)
-
-        self.player = player.Player(self, 5*64, 5*48)
+    def __init__(self, game, graphics_dir, paused=False):
+        level.Level.__init__(self, game, graphics_dir, paused)
 
         self.dimensions = 10, 10
 
-        self.tiles = []
-        self.objects = []
-
-        self.imgs = {}
-
-        self.load()
-
         for i in range(self.dimensions[0]):
             for j in range(self.dimensions[1]):
                 self.tiles.append(
                     tile.Tile(self, i*64, j*48, self.imgs['ground1']))
 
-        self.objects.append(self.player)
         for i in range(10):
             self.objects.append(block.Block(self, random.randint(0, 10)*64,
                                             random.randint(0, 10)*48,
@@ -74,6 +64,4 @@ class Level1(level.Level):
                     self.graphics_dir, 'blocks', '%s.png' % block))
 
     def restart(self):
-        self.objects.remove(self.player)
-        self.player = player.Player(self, 5*64, 5*48)
-        self.objects.append(self.player)
+        self.player.reset_pos()

robotgame/main_menu.py

@@ -59,7 +59,7 @@ class MainMenu(object):
         for event in e:
             if event.type == pygame.KEYDOWN:
                 if event.key == pygame.K_SPACE:
-                    self.game.goto_level(level1.Level1(self.img_dir))
+                    self.game.goto_level(level1.Level1(self.game, self.img_dir))
                     self.game.objs.remove(self)
                     self.game.objs.append(game_menu.GameMenu(self.game,
                                                              self.img_dir))

robotgame/player.py

@@ -40,7 +40,7 @@ class Player(worldobject.WorldObject):
 
         self.anim = 'idle_right'
         self.frame = 0
-        self.anim_speed = 30
+        self.anim_speed = 15
 
     def load(self):
         self.imgs = {}
@@ -115,6 +115,7 @@ class Player(worldobject.WorldObject):
 
     def draw(self, window):
         self.img = self.imgs[self.anim][int(self.frame)]
-        window.blit(self.img, (self.x - 32,
-                               self.y - self.img.get_size()[1] + 32))
+        window.blit(self.img, (self.x - 32 - self.level.camera_x,
+                               self.y - self.img.get_size()[1] + 24
+                               - self.level.camera_y))
 

robotgame/tile.py

@@ -32,5 +32,6 @@ class Tile(worldobject.WorldObject):
         worldobject.WorldObject.__init__(self, level, x, y)
 
     def draw(self, window):
-        window.blit(self.img, (self.x - 32,
-                               self.y - self.img.get_size()[1]))
+        window.blit(self.img, (self.x - 32 - self.level.camera_x,
+                               self.y - self.img.get_size()[1]
+                               - self.level.camera_y))

robotgame/worldobject.py

@@ -30,12 +30,18 @@ class WorldObject(object):
                  movable=False):
         self.__dict__.update(locals())
 
-        self.move_x = self.x = self.x - (self.x % self.tile_x)
-        self.move_y = self.y = self.y - (self.y % self.tile_y)
+        self.init_x = self.move_x = self.x = self.x - (self.x % self.tile_x)
+        self.init_y = self.move_y = self.y = self.y - (self.y % self.tile_y)
 
         self.holding = None
         self.holder = None
 
+    def set_init_pos(self):
+        self.init_x, self.init_y = self.x, self.y
+
+    def reset_pos(self):
+        self.x, self.y = self.init_x, self.init_y
+
     def check_move(self, move_x, move_y):
         if self.move_x == self.x and self.move_y == self.y and self.movable:
             for obj in self.level.objects: