Some changes...

.gitignore

@@ -1673,3 +1673,4 @@ modules/__pycache__/Tilemap.cpython-312.pyc
 modules/__pycache__/Tileset.cpython-312.pyc
 modules/__pycache__/Tiletype.cpython-312.pyc
 modules/__pycache__/Utils.cpython-312.pyc
+__pycache__/Animation.cpython-312.pyc

Animation.py

@@ -0,0 +1,27 @@
+import pygame
+
+class Animation(object):
+    def __init__(self, image, start_x, start_y, num, width, height, duration) -> None:
+        self.image = image
+
+        self.start_x = start_x
+        self.start_y = start_y
+        self.num = num
+        self.width = width
+        self.height = height
+
+        self.duration = duration
+        self.time = 0
+        self.current = 0
+
+    def render(self, screen, pos):
+        screen.blit(self.image, pos, pygame.Rect(self.start_x + (self.width * self.current), self.start_y, self.width, self.height))
+
+    def update(self, time=1):
+        self.time += time
+
+        if self.time > self.duration:
+            self.time = 0
+            self.current += 1
+            if self.current >= self.num:
+                self.current = 0 

Player.py

@@ -0,0 +1,5 @@
+import pygame
+
+class Player(object):
+    def __init__(self) -> None:
+        pass

Tilemap.py

@@ -21,15 +21,14 @@ class Tilemap(object):
         for i in range(0, self.height):
             self.tiles.append(list())
             for j in range(0, self.width):
-                x = random.randint(0,4)
-                if x == 0:
+                if i == 15:
                     self.tiles[i].append("grass")
-                elif x == 1:
+                elif i == 15:
                     self.tiles[i].append("water")
-                elif x == 2:
+                elif i > 15:
                     self.tiles[i].append("mud")
                 else:
-                    self.tiles[i].append("block")
+                    self.tiles[i].append("empty")
 
     def render(self, screen):
 

main.py

@@ -1,5 +1,6 @@
 import pygame
 import Tilemap
+import Animation
 
 pygame.init()
 
@@ -29,10 +30,10 @@ def main():
     while running:
         # Framerate auf 30 Frames pro Sekunde beschränken.
         # Pygame wartet, falls das Programm schneller läuft.
-        clock.tick(30)
+        clock.tick(60)
  
         # screen Surface mit Schwarz (RGB = 0, 0, 0) füllen.
-        screen.fill((0, 0, 0))
+        screen.fill((198, 209, 255))
  
         # Alle aufgelaufenen Events holen und abarbeiten.
         for event in pygame.event.get():