From: Christian Heller <c.heller@plomlompom.de>
Date: Fri, 25 Jan 2019 02:44:35 +0000 (+0100)
Subject: Fix FOV floating point bugs by using fractions.Fraction for fractions.
X-Git-Url: https://plomlompom.com/repos/?p=plomrogue2-experiments;a=commitdiff_plain;h=8ddccb6e5601f8df54f9cbc4c376ad76aee2fe78

Fix FOV floating point bugs by using fractions.Fraction for fractions.
---

diff --git a/server_/map_.py b/server_/map_.py
index 6e14c5a..291130c 100644
--- a/server_/map_.py
+++ b/server_/map_.py
@@ -2,6 +2,7 @@ import sys
 sys.path.append('../')
 import game_common
 import server_.game
+import fractions
 
 
 class Map(game_common.Map):
@@ -170,7 +171,7 @@ class MapFovHex(MapHex):
                     self.shadow_cones += [cone]
 
         #print('DEBUG', yx)
-        step_size = (CIRCLE/6)/distance_to_center
+        step_size = fractions.Fraction(CIRCLE, 6) / distance_to_center
         number_steps = dir_i * distance_to_center + dir_progress
         left_arm = correct_arm(-(step_size/2) - step_size*number_steps)
         right_arm = correct_arm(left_arm - step_size)
@@ -288,7 +289,7 @@ class MapFovSquare(MapSquare):
                     self.shadow_cones += [cone]
 
         #print('DEBUG', yx)
-        step_size = (CIRCLE/4)/distance_to_center
+        step_size = fractions.Fraction(CIRCLE, 4) / distance_to_center
         number_steps = dir_i * distance_to_center + dir_progress
         left_arm = correct_arm(-(step_size/2) - step_size*number_steps)
         right_arm = correct_arm(left_arm - step_size)