Changeset 9174 for src/django_gheat

Timestamp:

May 10, 2011, 1:56:59 PM (14 years ago)

Author:

rick

Message:

Rounding errors, colour cannot be more than 255

File:

• src/django_gheat/website/tile.py (modified) (1 diff)

src/django_gheat/website/tile.py

@@ -58 +58 @@
     alpha_per_radius = float(2.55 * (100 - transparancy)) / radius
     for r in range(radius,1,-1):
-      alpha = int((radius - r) * alpha_per_radius)
-      pygame.draw.circle(new_surf,colour + (alpha,),center,r,0)
+      alpha = min(255,int((radius - r) * alpha_per_radius))
+      combined_colour = colour + (alpha,)
+      pygame.draw.circle(new_surf,combined_colour,center,r,0)
     self.surf.blit(new_surf,(0,0),special_flags=pygame.BLEND_RGBA_MAX)