Added day cycle

credits.md

@@ -13,3 +13,7 @@ All the textures are edited by myself to fit the [Famicube palette](https://losp
 ## Clouds
 
 [Jetrel - OpenGameArt](https://opengameart.org/content/old-frogatto-clouds)
+
+## Sky gradients
+
+[rh0 - OpenGameArt](https://opengameart.org/content/18-gradient-skies-640x480)

gamedata/objects/ingame/manager.py

@@ -2,6 +2,7 @@ from gamedata.objects.base import BaseObject
 from gamedata.objects.ingame.spawner import Spawner
 from gamedata.objects.ingame.tiles import Tiles
 from gamedata.objects.ingame.clouds import Clouds
+from gamedata.objects.ingame.skies import Skies
 
 class Manager(BaseObject):
     def __init__(self,game):
@@ -22,6 +23,9 @@ class Manager(BaseObject):
         self.endrect = game.pygame.Surface((game.DISPLAY_WIDTH,game.DISPLAY_HEIGHT))
         self.endrect.fill([0]*3)
 
+        # Sky gradients
+        self.game.gameloop.summon(Skies(game))
+
         # Clouds in the background
         self.clouds = Clouds(game,game.DISPLAY_WIDTH,speed=30,cameraratio=0.8)
         self.cloudsdark = Clouds(game,game.DISPLAY_WIDTH,speed=10,cameraratio=0.4,spritename="cloudsdark.png")

gamedata/objects/ingame/skies.py

@@ -0,0 +1,43 @@
+from gamedata.objects.base import BaseObject
+
+import math
+
+class Skies(BaseObject):
+
+    def __init__(self,game,basesky="skies/base.png",nightsky="skies/night.png",daysky="skies/day.png"):
+        super().__init__(0,0,game,game.DISPLAY_WIDTH,game.DISPLAY_HEIGHT)
+        size = [game.DISPLAY_WIDTH,game.DISPLAY_HEIGHT]
+        self.basesky = game.pygame.transform.scale(game.sprite_lib[basesky],size)
+        self.nightsky = game.pygame.transform.scale(game.sprite_lib[nightsky],size)
+        self.daysky = game.pygame.transform.scale(game.sprite_lib[daysky],size)
+
+        self.blackrect = game.pygame.Surface(size)
+        self.blackrect.fill([0]*3)
+
+        self.speed = 0.02
+        self.timeelapsed = 0
+
+        self.depth = -2
+
+        self.blackrectalpha = 0.5
+
+    def step(self):
+
+        self.timeelapsed+=self.game.dt
+
+        self.cosvalue = math.cos(self.timeelapsed*self.speed)
+
+    def draw(self):
+
+        self.game.window.blit(self.basesky,[0,0])
+        if self.cosvalue<0:
+            self.nightsky.set_alpha(-self.cosvalue*255)
+            self.game.window.blit(self.nightsky,[0,0])
+        else:
+            self.daysky.set_alpha(self.cosvalue*255)
+            self.game.window.blit(self.daysky,[0,0])
+
+    def afterdraw(self):
+        if self.cosvalue<0:
+            self.blackrect.set_alpha(-self.cosvalue*255*self.blackrectalpha)
+            self.game.realwindow.blit(self.blackrect,[0,0])