#User-Defined Triangle
#Created By: Aaron Schendel
#October 2nd, 2010

from graphics import *
from math import *
from time import sleep


def main():
    # Create Window
    win=GraphWin("User's Choice", 800,500) # What numbers are 800 and 500? Why did you use them.
    win.setBackground("lightblue")
    win.setCoords(0,0,13,10)

    # Create and Label Coordinate Plane
    Line(Point(1,1),Point(1,8)).draw(win)
    Line(Point(1,1),Point(8,1)).draw(win)
    Text(Point(.75,.75),'(1,1)').draw(win)
    Text(Point(.5,8),'(1,8)').draw(win)
    Text(Point(8,.5),'(8,1)').draw(win)

    # User Instructions
    instructions=Text(Point(4,.25),'Click on three points to make a triangle.')
    instructions.draw(win)

    # Get User to enter Points
    input1=win.getMouse()
    input1.draw(win)
    input2=win.getMouse()
    input2.draw(win)
    input3=win.getMouse()
    input3.draw(win)

    #Create Triangle
    triangle = Polygon((input1),(input2),(input3))
    triangle.draw(win)

    # Use midpoints to label triangle sides/edit label size
    a = Line(input1, input2).getCenter()
    b = Line(input2, input3).getCenter()
    c = Line(input3,input1).getCenter()

    atext = Text((a),'a')
    atext.setSize(18) # Same as before. What is 18, and why? What if you needed to change it for the ENTIRE system. 5 minutes. Now think of this, but 10,000 lines of it...
    atext.setTextColor("darkgreen")
    atext.draw(win)
    btext = Text((b),'b')
    btext.setSize(18)
    btext.setTextColor("darkgreen")
    btext.draw(win)
    ctext = Text((c),'c')
    ctext.setSize(18)
    ctext.setTextColor("darkgreen")
    ctext.draw(win)

    # Use input points to label angles
    Atext = Text((input3),'A')
    Atext.setSize(18)
    Atext.setTextColor("red")
    Atext.draw(win)
    Btext = Text((input1),'B')
    Btext.setSize(18)
    Btext.setTextColor("red")
    Btext.draw(win)
    Ctext = Text((input2),'C')
    Ctext.setSize(18)
    Ctext.setTextColor("red")
    Ctext.draw(win)

    # Quick Explanation
    explanation = Text(Point(1.7,9.5),'Dark Green Text = Side')
    explanation.setTextColor('darkgreen')
    explanation.draw(win)

    explanation2 = Text(Point(1.32,9),'Red Text = Angle')
    explanation2.setTextColor('red')
    explanation2.draw(win)

    # Get X and Y of the three inputs
    x1 = input1.getX()
    y1 = input1.getY()
    x2 = input2.getX()
    y2 = input2.getY()
    x3 = input3.getX()
    y3 = input3.getY()

    # Figure out length of each side
    alength = sqrt((x2-x1)**2 + (y2-y1)**2)
    blength = sqrt((x3-x2)**2 + (y3-y2)**2)
    clength = sqrt((x1-x3)**2 + (y1-y3)**2)

    # Figure out perimeter
    perimeter = alength + blength + clength

    # Figure out area
    semiperimeter = perimeter / 2
    area = sqrt(semiperimeter*(semiperimeter-alength)*(semiperimeter-blength)*(semiperimeter-clength))

    # Figure out angles
    aangle = (acos(((alength**2)-(blength**2)-(clength**2))/((-2)*blength*clength))) * (180/pi)
    bangle = (acos(((blength**2)-(alength**2)-(clength**2))/((-2)*alength*clength))) * (180/pi)
    cangle = (acos(((clength**2)-(blength**2)-(alength**2))/((-2)*blength*alength))) * (180/pi)

    # Output

    prop = Text(Point(10.5,9),'Triangle Properties')
    prop.setSize(22)
    prop.draw(win)

    # Output side lengths
    sleep(1)
    sidelengths = Text(Point(9.7,8),'Side Lengths: ')
    sidelengths.setSize(18)
    sidelengths.draw(win)

    sleep(.25)
    sidea = Text(Point(9.9,7.5),'Side a = ' + str(alength))
    sidea.setTextColor('darkgreen')
    sidea.draw(win)
    sleep(.25)
    sideb = Text(Point(9.9,7),'Side b = ' + str(blength))
    sideb.setTextColor('darkgreen')
    sideb.draw(win)
    sleep(.25)
    sidec = Text(Point(9.9,6.5),'Side c = ' + str(clength))
    sidec.setTextColor('darkgreen')
    sidec.draw(win)

    # Ouput angle sizes
    sleep(1)
    anglesizes = Text(Point(9.6,5.8), 'Angle Sizes: ')
    anglesizes.setSize(18)
    anglesizes.draw(win)

    sleep(.25)
    anglea = Text(Point(9.9,5.3), 'Angle A = ' + str(aangle))
    anglea.setTextColor('red')
    anglea.draw(win)
    sleep(.25)
    angleb = Text(Point(9.9,4.8), 'Angle B = ' + str(bangle))
    angleb.setTextColor('red')
    angleb.draw(win)
    sleep(.25)
    anglec = Text(Point(9.9,4.3), 'Angle C = ' + str(cangle))
    anglec.setTextColor('red')
    anglec.draw(win)

    # Output perimeter
    sleep(1)
    perimeteroutput = Text(Point(9.3,3.1), ' Perimeter = ')
    perimeteroutput.setSize(18)
    perimeteroutput.draw(win)

    perimeteroutput2 = Text(Point(11.6,3.1),perimeter)
    perimeteroutput2.draw(win)

    # Output area
    sleep(1)
    areaoutput = Text(Point(9, 2),'Area = ')
    areaoutput.setSize(18)
    areaoutput.draw(win)

    areaoutput2 = Text(Point(11,2),(area))
    areaoutput2.draw(win)

    # Change user instructions
    instructions.setText('Click anywhere to exit.')


    # Get mouse click to close and end the program
    win.getMouse()
    win.close()



main()