# Programmierung 2 - Ping Pong Spiel
# Willi Schlegel, Francine Theil, Kristin Weber
# letzte Aenderung: 19.07.2017


#-----------------------------------------------------------------
# Import der einzelnen Module
import random as r
import time
from Tkinter import *

# ----------------------------------------------------------------
# Spieloberflaeche

tk = Tk()
tk.title("Superfantastisches Ping-Pong-Spiel")
canvas = Canvas(tk, width=500, height=400, bd=3, bg='pink')
canvas.pack()
label = canvas.create_text(10, 10, anchor=NW, text="Punktestand: 0")
tk.update()
paddle = Paddle(canvas, 'black')
ball = Ball(canvas, 'white', 25, paddle)

#----------------------------------------------------------------
# Eigenschaften des Paddles definieren

class Ball():

    def __init__(self, canvas, color, size, paddle):

	self.canvas = canvas
	self.paddle = paddle
	self.id = canvas.create_oval(15, 15, size, size, fill=color)
	self.canvas.move(self.id, 245, 100)
	self.xspeed = random.randrange(-3,3)
	self.yspeed = -1
	self.hit_bottom = False
	self.score = 0

    def draw(self):

	self.canvas.move(self.id, self.xspeed, self.yspeed)
	pos = self.canvas.coords(self.id)

        if pos[0] <= 0:
            self.xspeed = 3

	if pos[1] <= 0:
	    self.yspeed = 3

	if pos[2] >= 500:
	    self.xspeed = -3

	if pos[3] >= 400:
	    self.hit_bottom = True

	if self.hit_paddle(pos) == True:
	    self.yspeed = -3
	    self.xspeed = random.randrange(-3,3)
	    self.score += 1

    def hit_paddle(self, pos):

	paddle_pos = self.canvas.coords(self.padle.id)

	if pos[2] >= padle_pos[0] and pos[0] <= paddle_pos[2]:

	    if pos[3] >= paddle_pos[1] and pos[3] <= paddle_pos[3]:

		return True

	return False