updated graphics

thermopi/screen.py

@@ -1,36 +1,35 @@
 import pygame
+import os
 
 DIAL_SIZE = 500
 SCREEN_SIZE = 720
 FPS = 60
 PI = 3.14159265
 
+script_dir = os.path.dirname(os.path.abspath(__file__))
+
 
 class Dial(pygame.sprite.Sprite):
     def __init__(self):
         super().__init__()
-        self.image = pygame.Surface((DIAL_SIZE, DIAL_SIZE))
-
-        self.rect = self.image.get_rect()
-        self.max = (10.0 / 6.0) * PI
-        self.min = (8.0 / 6.0) * PI
-        self.value = 1
-        self.reverse = True
+        self._base_image = pygame.image.load(script_dir + '/resources/dial-face.png')
+        self.rotation = 0
+        self.image = pygame.transform.rotate(self._base_image, 77-(2*77.5*self.rotation))
+        self.rect = self._base_image.get_rect()
+        self.test_cw = True
     def update(self):
-        if self.reverse:
-            self.value -= 0.01
+        if self.test_cw:
+            self.rotation += 0.01
         else:
-            self.value += 0.01
-
-        if self.value < 0:
-            self.value = 0
-            self.reverse = not self.reverse
-        if self.value > 1:
-            self.value = 1
-            self.reverse = not self.reverse
-
-        self.image.fill((0, 0, 0))
-        pygame.draw.arc(self.image, (255, 255, 255), self.rect, self.min - (self.max * self.value), self.min, 32)
+            self.rotation -= 0.01
+        if self.rotation > 1:
+            self.rotation = 1
+            self.test_cw = not self.test_cw
+        if self.rotation < 0:
+            self.rotation = 0
+            self.test_cw = not self.test_cw
+        self.image = pygame.transform.rotate(self._base_image, 77-(2*77.5*self.rotation))
+        self.rect = self.image.get_rect(center=self.rect.center)
 
 
 def main(windowed_mode):
@@ -41,15 +40,16 @@ def main(windowed_mode):
     else:
         window = pygame.display.set_mode((SCREEN_SIZE, SCREEN_SIZE), pygame.FULLSCREEN)
 
-    all_sprites = pygame.sprite.Group()
+    bg_image = pygame.image.load(script_dir + '/resources/dial-bg.png')
 
     dial = Dial()
-    all_sprites.add(dial)
+
+    all_sprites = pygame.sprite.Group(dial)
 
     def draw():
         # Draws all the sprites on a black background
         all_sprites.update()
-        window.fill((0, 0, 0))
+        window.blit(bg_image, (0, 0))
         all_sprites.draw(window)
 
         # Update the entire display