# Tk_3DcubeXspin.py

# Tk_3DcubeXspin.py

# drag-to-rotate

import math,time,os,sys

from Tkinter import *
from PIL import ImageTk, Image

w=640
h=640
Size = 10

class Cv():
    x,y,z=0,0,0
    xx,yy=0,0
    objv=False
    ANGLEX = 0
    ANGLEY = 0
    ANGLEZ = 0
    PX = 0
    PY = 0
    PZ = 200
    xm,ym,x2,y2 = 3,2,0,0
    rx=1
    ry=1
    run=1
cv=Cv()

halfResX = w/2
halfResY = h/2

def click(event):
    cv.xx,cv.yy = (event.x,event.y)

def drag(event):
    tx = (event.x-cv.xx)
    ty = (event.y-cv.yy)

    cv.xm += tx
    cv.ym += ty

    cv.xm %= 360
    cv.ym %= 360
    cv.xx,cv.yy = (event.x,event.y)

root = Tk()
canvas = Canvas(root,width=w,height=h)
canvas.pack()

canvas.bind('<Button-1>',click)
canvas.bind('<B1-Motion>',drag)

distance = 400 # object size to create distance illusion

xyz=80
VX = [-xyz, -xyz, -xyz, -xyz,  xyz,  xyz,  xyz,  xyz]
VY = [-xyz,  xyz, -xyz,  xyz, -xyz,  xyz, -xyz,  xyz]
VZ = [-xyz, -xyz,  xyz,  xyz, -xyz, -xyz,  xyz,  xyz]

faces = [(0,1,3,2),(7,5,4,6),(0,2,6,4),(7,3,1,5),(7,3,2,6),(0,1,5,4)]

colors = 'red darkorange yellow green blue purple'.split()

def animate():
    while cv.run:
        rax = cv.ANGLEX*math.pi/180
        ray = cv.ANGLEY*math.pi/180

        sinx = math.sin(rax)
        cosx = math.cos(rax)
        siny = math.sin(ray)
        cosy = math.cos(ray)
        r1 = []
        r2 = []

        for n in range(8):
            YX = VX[n]*cosy - VZ[n]*siny - VX[n]
            YZ = VX[n]*siny + VZ[n]*cosy - VZ[n]
            XY = VY[n]*cosx - (VZ[n]+YZ)*sinx - VY[n]
            XZ = VY[n]*sinx + (VZ[n]+YZ)*cosx - (VZ[n]+YZ)
            XR = YX
            YR = XY
            ZR = XZ+YZ
            z = (VZ[n]+cv.PZ+ZR)/distance
            x = ((VX[n]+cv.PX+XR)/z)+halfResX
            y = ((VY[n]+cv.PY+YR)/z)+halfResY
            r1.append([x,y])
            r2.append(z)


        canvas.delete('all')

        t = []
        c = 0
        for f in faces:
            z1 = [r1[z] for z in f]
            z2 = [r2[z] for z in f]
            t.append([max(z2),z1,colors[c]])
            c += 1
        z = False
        if time.time() % 0.9 > 0.45: z = True
        t.sort(reverse=z)
        for c,a,b in t:
            canvas.create_polygon(a,fill=b)

        cv.ANGLEX = cv.ym
        cv.ANGLEY = cv.xm

        canvas.create_text((30,20),text='Drag Mouse To Rotate Cube',anchor=W)
        canvas.create_text((30,40),text='X: %d'%(cv.xm),anchor=W)
        canvas.create_text((30,60),text='Y: %d'%(cv.ym),anchor=W)

        break
    root.after(60, animate)

animate()
root.mainloop()