From 3d18c9ee4d24dad3f7814e322c16b8d221ba4306 Mon Sep 17 00:00:00 2001
From: schererleander <leander@schererleander.de>
Date: Fri, 26 Dec 2025 22:50:10 +0100
Subject: feat(logic): use delta time for movment of sprites

---
 Alien.py | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'Alien.py')

diff --git a/Alien.py b/Alien.py
index 5400447..b8ef24e 100644
--- a/Alien.py
+++ b/Alien.py
@@ -7,9 +7,13 @@ class Alien(pygame.sprite.Sprite):
     self.image = pygame.image.load(os.path.abspath(bildDateipfad))
     self.rect = self.image.get_rect()
     self.rect.center = position
+
+    self.__pos_x = float(self.rect.x)
+    self.__pos_y = float(self.rect.y)
     
     self.__wert = wert
-    self.__geschwindigkeit = 1
+    # pixels/second (old: 1 px/frame @ 60 FPS)
+    self.__geschwindigkeit = 60.0
   
   def getRect(self):
     return self.rect
@@ -19,9 +23,11 @@ class Alien(pygame.sprite.Sprite):
   
   def aendereRichtung(self):
     self.__geschwindigkeit *= -1
-
-  def bewegen(self):
-    self.rect.x += self.__geschwindigkeit
+ 
+  def bewegen(self, dt: float):
+    self.__pos_x += self.__geschwindigkeit * dt
+    self.rect.x = int(round(self.__pos_x))
   
   def bewegeRunter(self, y):
-    self.rect.y += y
\ No newline at end of file
+    self.__pos_y += y
+    self.rect.y = int(round(self.__pos_y))
\ No newline at end of file
-- 
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