'''
Displays various messages depending on whether or not we click in a circle.

Created on Jul 11, 2013

@author: boutell
'''

import zellegraphics as zg
import math

def distance(p1, p2):
    ''' The distance formula '''
    x1 = p1.getX()
    y1 = p1.getY()
    x2 = p2.getX()
    y2 = p2.getY()
    dx = x1 - x2
    dy = y1 - y2
    return math.sqrt(dx ** 2 + dy ** 2)

d = distance(zg.Point(10, 10), zg.Point(13, 7))
print(d)

win = zg.GraphWin("Click in circle", 400, 400)

instructions = zg.Text(zg.Point(200, 75), "Click in the circle")
instructions.setStyle("bold italic")
instructions.setSize(30)
instructions.setTextColor("purple")
instructions.draw(win)

center = zg.Point(200, 200)
radius = 80
circle = zg.Circle(center, radius)
circle.setWidth(3)
circle.draw(win)

message = zg.Text(zg.Point(200, 350), "")
message.draw(win)

while True:
    click = win.getMouse()
    if distance(center, click) > radius:
        message.setText("You missed")
    else: 
        message.setText("Bullseye")
        break

win.getMouse()
win.close()