From d37bca5bc23bf8a3461f959987dff0cf8120787d Mon Sep 17 00:00:00 2001
From: Sakse Dalum <don.s@artescient.at>
Date: Mon, 20 Aug 2012 19:51:02 +0200
Subject: [PATCH] Added some prettier graphics to be used as laser beams.

---
 resources/graphics/laser_beam_horisontal.png | Bin 0 -> 210 bytes
 resources/graphics/laser_beam_vertical.png   | Bin 0 -> 203 bytes
 robotgame/laser.py                           |  12 +++++++++---
 3 files changed, 9 insertions(+), 3 deletions(-)
 create mode 100644 resources/graphics/laser_beam_horisontal.png
 create mode 100644 resources/graphics/laser_beam_vertical.png

diff --git a/resources/graphics/laser_beam_horisontal.png b/resources/graphics/laser_beam_horisontal.png
new file mode 100644
index 0000000000000000000000000000000000000000..8d207802a4acfe5048af76363cd1448d8082b46c
GIT binary patch
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HcmV?d00001

diff --git a/resources/graphics/laser_beam_vertical.png b/resources/graphics/laser_beam_vertical.png
new file mode 100644
index 0000000000000000000000000000000000000000..08a8d81c31c460b89ffc8f20c213d83ce20b5855
GIT binary patch
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diff --git a/robotgame/laser.py b/robotgame/laser.py
index cc68f85..c02a8aa 100644
--- a/robotgame/laser.py
+++ b/robotgame/laser.py
@@ -66,18 +66,23 @@ class Laser(worldobject.WorldObject):
 
         self.start_dark = 0
 
+        self.surf = pygame.Surface(self.level.game.window.get_size(),
+                                   pygame.SRCALPHA)
+
     def update(self, e, t, dt):
         self.start_dark = (t % 200) / 100
         worldobject.WorldObject.update(self, e, t, dt)
 
     def draw(self, window):
+        self.surf.fill((0, 0, 0, 0))
+
         colors = [(155, 0, 0), (255, 0, 0)]
         c = self.start_dark
         if self.x0d != self.x1d:
             length = self.x1d - self.x0d
             for i in range(0, length, 8):
                 x0d = self.x0d + i
-                pygame.draw.line(window, colors[c],
+                pygame.draw.line(self.surf, colors[c],
                                  (x0d - self.level.camera_x,
                                   self.y0d - self.level.camera_y),
                                  (x0d + min(8, length - i) - self.level.camera_x,
@@ -87,10 +92,11 @@ class Laser(worldobject.WorldObject):
             length = self.y1d - self.y0d
             for i in range(0, length, 8):
                 y0d = self.y0d + i
-                pygame.draw.line(window, colors[c],
+                pygame.draw.line(self.surf, colors[c],
                                  (self.x0d - self.level.camera_x,
                                   y0d - self.level.camera_y),
                                  (self.x0d - self.level.camera_x,
                                   y0d + min(8, length - i) - self.level.camera_y), 2)
                 c ^= 1
-            
+
+        window.blit(self.surf, (0, 0))