Make animation time instead of update dependant

CURA-6823

1 files changed, 8 insertions, 2 deletions

diff --git a/cura/UI/CuraSplashScreen.py b/cura/UI/CuraSplashScreen.py
index 70df454e7d..4074020865 100644
--- a/cura/UI/CuraSplashScreen.py
+++ b/cura/UI/CuraSplashScreen.py
@@ -9,6 +9,7 @@ from UM.Resources import Resources
 from UM.Application import Application
 from cura import ApplicationMetadata
 
+import time
 
 class CuraSplashScreen(QSplashScreen):
     def __init__(self):
@@ -34,15 +35,20 @@ class CuraSplashScreen(QSplashScreen):
         self._change_timer.setSingleShot(False)
         self._change_timer.timeout.connect(self.updateLoadingImage)
 
+        self._last_update_time = None
+
     def show(self):
         super().show()
+        self._last_update_time = time.time()
         self._change_timer.start()
 
     def updateLoadingImage(self):
         if self._to_stop:
             return
-
-        self._loading_image_rotation_angle -= 10
+        time_since_last_update = time.time() - self._last_update_time
+        self._last_update_time = time.time()
+        # Since we don't know how much time actually passed, check how many intervals of 50 we had.
+        self._loading_image_rotation_angle -= 10 * (time_since_last_update * 1000 / 50)
         self.repaint()
 
     # Override the mousePressEvent so the splashscreen doesn't disappear when clicked