Fixed BG sprite glitch. Minor fixes

Background.py

@@ -0,0 +1,38 @@
+"""
+Background entity class
+"""
+
+
+import pygame
+import os
+
+from BackgroundLayer import BackgroundLayer
+
+
+class Background():
+    imgDir = os.path.join(os.path.dirname(__file__), 'data')
+    backgroundImage = pygame.image.load(os.path.join(imgDir, 'background.png'))#.convert()
+    backgroundImages = (
+        pygame.transform.scale(backgroundImage.subsurface((0, 0, 800, 150)), (3200, 600)),
+        pygame.transform.scale(backgroundImage.subsurface((0, 150, 800, 150)), (3200, 600)),
+    )
+    for image in backgroundImages:
+        image.set_colorkey((255,0,255))
+
+    def __init__(self, mainGameClass):
+        pygame.sprite.Sprite.__init__(self)
+
+        self.layers = (
+            BackgroundLayer(Background.backgroundImages[0], mainGameClass, 0.5),
+            BackgroundLayer(Background.backgroundImages[1], mainGameClass, 1),
+        )
+
+
+    def update(self):
+        for layer in self.layers:
+            layer.update()
+
+
+    def draw(self, surface):
+        for layer in self.layers:
+            layer.draw(surface)

BackgroundLayer.py

@@ -0,0 +1,27 @@
+"""
+Background layer entity class
+"""
+
+
+import pygame
+
+from BackgroundLayerFrame import BackgroundLayerFrame
+
+
+class BackgroundLayer():
+    def __init__(self, image, mainGameClass, speedMultiplier):
+        offset = image.get_width()
+
+        self.frames = pygame.sprite.Group()
+
+        self.frames.add(BackgroundLayerFrame(image, mainGameClass, (0, 0), speedMultiplier))
+        self.frames.add(BackgroundLayerFrame(image, mainGameClass, (offset, 0), speedMultiplier))
+
+
+    def update(self):
+        for frame in self.frames:
+            frame.update()
+
+
+    def draw(self, surface):
+        self.frames.draw(surface)

BackgroundLayerFrame.py

@@ -0,0 +1,25 @@
+"""
+Background layer frame entity class
+"""
+
+
+import pygame
+
+
+class BackgroundLayerFrame(pygame.sprite.Sprite):
+    def __init__(self, image, mainGameClass, offset, speedMultiplier):
+        pygame.sprite.Sprite.__init__(self)
+
+        self.image = image
+        self.mainGameClass = mainGameClass
+        self.speedMultiplier = speedMultiplier
+
+        self.rect = self.image.get_rect()
+        self.rect.center = (mainGameClass.getScreenWidth()/2 + offset[0],
+                            mainGameClass.getScreenHeight()/2 + offset[1])
+
+
+    def update(self):
+        self.rect.x -= self.mainGameClass.getGameSpeed() * self.speedMultiplier
+        if self.rect.x < -self.rect.width:
+            self.rect.x += self.rect.width*2

Cloud.py

@@ -23,8 +23,6 @@ class Cloud(pygame.sprite.Sprite):
                                 mainGameClass.getScreenHeight()/2-100)+50*(2-cloudType))
         self.speed = cloudType*mainGameClass.getGameSpeed() / 6
 
-
-
         self.__doubleX = float(self.rect.x)
 
 

Drakora.pyw

@@ -9,6 +9,7 @@ import os
 
 from collections import deque
 
+from Background import Background
 from Player import Player
 from StandingEnemy import StandingEnemy
 from FlyingEnemy import FlyingEnemy
@@ -17,13 +18,6 @@ from Floor import Floor
 
 
 class Drakora():
-    imgDir = os.path.join(os.path.dirname(__file__), 'data')
-    backgroundImage = pygame.image.load(os.path.join(imgDir, 'background.png'))#.convert()
-    backgroundImages = (
-        pygame.transform.scale(backgroundImage.subsurface((0, 0, 800, 150)), (3200, 600)),
-        pygame.transform.scale(backgroundImage.subsurface((0, 150, 800, 150)), (3200, 600)),
-    )
-
     def getGameSpeed(self):
         return self.__gameSpeed
 
@@ -65,6 +59,8 @@ class Drakora():
 
 
     def newGame(self):
+        self.background = Background(self)
+
         for enemy in self.enemies:
             enemy.kill()
 
@@ -94,14 +90,12 @@ class Drakora():
         self.speedUpCheatLabelCD = 0
         self.speedDownCheatLabelCD = 0
         self.speedResetCheatLabelCD = 0
-        self.backgroundgOffset = [0, self.fourScreenWidths]
 
 
     def __init__(self):
         random.seed()
         pygame.init()
         self.screenSize = (800, 600)
-        self.fourScreenWidths = self.screenSize[0]*4
         self.screen = pygame.display.set_mode(self.screenSize)
         pygame.display.set_caption('Drakora')
         self.clock = pygame.time.Clock()
@@ -163,9 +157,7 @@ class Drakora():
 
     def render(self):
         # self.screen.fill((102, 153, 255))
-        self.screen.blit(self.backgroundImages[0], (0-self.backgroundgOffset[0], 0, self.fourScreenWidths-self.backgroundgOffset[0], 600))
-        self.screen.blit(self.backgroundImages[1], (0-self.backgroundgOffset[1], 0, self.fourScreenWidths-self.backgroundgOffset[1], 600))
-
+        self.background.draw(self.screen)
         for cloudGroup in self.cloudGroups: cloudGroup.draw(self.screen)
         self.enemies.draw(self.screen)
         self.players.draw(self.screen)
@@ -299,14 +291,7 @@ class Drakora():
         self.doCheats()
 
         if not self.isGameOver and not self.isPaused:
-            self.backgroundgOffset[0] += self.__gameSpeed
-            self.backgroundgOffset[1] += self.__gameSpeed
-
-            if self.backgroundgOffset[0] > self.fourScreenWidths*2:
-                self.backgroundgOffset[0] -= self.fourScreenWidths*2
-            if self.backgroundgOffset[1] > self.fourScreenWidths*2:
-                self.backgroundgOffset[1] -= self.fourScreenWidths*2
-
+            self.background.update()
             for cloudGroup in self.cloudGroups: cloudGroup.update()
             self.enemies.update()
             self.players.update()

FlyingEnemy.py

@@ -22,6 +22,7 @@ class FlyingEnemy(Enemy):
     for image in images:
         image.set_colorkey((255,0,255))
 
+
     def __init__(self, mainGameClass):
         Enemy.__init__(self, mainGameClass)
 

Player.py

@@ -35,11 +35,11 @@ class Player(pygame.sprite.Sprite):
         pygame.transform.scale(playerImage.subsurface((16, 72, 16, 16)), (64, 64)),
     )
     
-
     for array in (walkImages, upImages, downImages, crouchImages):
         for image in array:
             image.set_colorkey((255,0,255))
 
+
     def __init__(self):
         pygame.sprite.Sprite.__init__(self)
 

StandingEnemy.py

@@ -64,6 +64,7 @@ class StandingEnemy(Enemy):
         ),
     )
 
+
     def __init__(self, mainGameClass):
         Enemy.__init__(self, mainGameClass)