Matt's examples

1 files changed, 59 insertions, 0 deletions

diff --git a/Demo/tkinter/matt/pong-demo-1.py b/Demo/tkinter/matt/pong-demo-1.py
new file mode 100644
index 0000000000..7d405c1654
--- /dev/null
+++ b/Demo/tkinter/matt/pong-demo-1.py
@@ -0,0 +1,59 @@
+from Tkinter import *
+
+import string
+
+
+class Pong(Frame):
+    def createWidgets(self):
+	self.QUIT = Button(self, {'text': 'QUIT', 
+				  'fg': 'red', 
+				  'command': self.quit})
+	self.QUIT.pack({'side': 'left', 'fill': 'both'})	
+
+	## The playing field
+	self.draw = Canvas(self, {"width" : "5i", "height" : "5i"})
+
+	## The speed control for the ball
+	self.speed = Scale(self, {"orient":  "horiz", 
+				  "label" : "ball speed", 
+				  "from" : -100, 
+				  "to" : 100})
+
+	self.speed.pack({'side': 'bottom', "fill" : "x"})
+
+	# The ball
+	self.ball = self.draw.create_oval("0i", "0i", "0.10i", "0.10i", {"fill" : "red"})
+	self.x = 0.05
+	self.y = 0.05
+	self.velocity_x = 0.3
+	self.velocity_y = 0.5
+
+	self.draw.pack({'side': 'left'})
+
+
+    def moveBall(self, *args):
+	if (self.x > 5.0) or (self.x < 0.0): 
+	    self.velocity_x = -1.0 * self.velocity_x
+	if (self.y > 5.0) or (self.y < 0.0): 
+	    self.velocity_y = -1.0 * self.velocity_y
+
+	deltax = (self.velocity_x * self.speed.get() / 100.0)
+	deltay = (self.velocity_y * self.speed.get() / 100.0)
+	self.x = self.x + deltax
+	self.y = self.y + deltay
+
+	self.draw.move(self.ball,  `deltax` + "i", `deltay` + "i")
+	self.after(10, self.moveBall)
+	
+
+
+    def __init__(self, master=None):
+	Frame.__init__(self, master)
+	Pack.config(self)
+	self.createWidgets()
+	self.after(10, self.moveBall)
+
+
+game = Pong()
+
+game.mainloop()