sounds on collisions plus background music

Author: zaberfire

.DS_Store

@@ -13,11 +13,22 @@
 import math
 from Tkinter import *
 
+# threading for collision sounds
+import thread
+from thread import start_new_thread
+import sounds
+
 ####################################
 # customize these functions
 ####################################
 
-    
+collided = False
+
+def collideSound(collided):
+    # plays sound when collided
+    if collided == True:
+        start_new_thread(sounds.play, ('smallExplosion.wav',))
+        collided = False
 
 def init(data):
     data.timer = 0
@@ -61,11 +72,18 @@ def timerFired(data):
         # the 300 is just data.width and data.height
 
         if math.sqrt((x - 300)**2 + (y - 300)**2) <= r1 + r2:
+            #collision  happens
+
+            collided = True
+            collideSound(collided)
+            
             x1, y1 = bullet.cx, bullet.cy
             x2, y2 = data.width/2, data.height/2
 
             # the 10 is just the radius of the sample ship i used
             r1, r2 = bullet.r, 10
+            
+            # https://stackoverflow.com/questions/1736734/circle-circle-collision
             pcollision = ((x1*r2+x2*r1*1.)/(r1+r2),(y1*r2+y2*r1*1.)/(r1+r2))
 
             data.collisions.append(Collision(pcollision[0],pcollision[1], 2, bullet.r))
@@ -85,6 +103,7 @@ def timerFired(data):
 
 def redrawAll(canvas, data):
     x,y = data.width/2, data.height/2
+    canvas.create_rectangle(0,0,data.width,data.height,fill = "lightskyblue4")
 
     for collision in data.collisions:
         collision.draw(canvas)
@@ -98,7 +117,7 @@ def redrawAll(canvas, data):
 
     canvas.create_text(0,0, anchor = NW, text = "Time: %d" % data.seconds)
     canvas.create_text(data.width,0, anchor = NE, text = "Level: %d" % data.level)
-        
+   
 
 ####################################
 # use the run function as-is
@@ -147,4 +166,5 @@ class Struct(object): pass
     root.mainloop()  # blocks until window is closed
     print("bye!")
 
-run(600, 600)
+start_new_thread(run, (600, 600))
+start_new_thread(sounds.play, ('backgroundMusic.wav',))