import Blender
from Blender import Draw, BGL
from Blender.BGL import *
import math
from math import *
import time
allPoints=[]
XY=[0,0]


                        # caanu niae?a?ony ana aaaaaiiua aaiiua
def event(evt, val):    #ia?aaioea ia?aoey eeaaeo
    if evt == Draw.ESCKEY :
        Draw.Exit()         # exit when user presses ESC
def button_event(evt):  # Aucuaaao ooieoee aey oi?ie?iaaiey oaaeeou e aaiaa
    global allPoints
    global XY
    if evt == 1:            # 1 – eaaioeoeeaoi? eiiiee auciaa
        x1=Draw.Create(0)
        y1=Draw.Create(0)
        r1=Draw.Create(0)
        r2=Draw.Create(0)
        px=Draw.Create(0)
        py=Draw.Create(0)       # Nicaaiea eiiiie n ia?aeuiuie aaiiuie
        block=[]            # Aaiiua aey oi?ie?iaaiey oaaeeou
        block.append(("X0 = ",x1,0,1000)) #Aaia n ia?aie?aieai a?aieo e oeia aaiiuo
        block.append(("Y0 = ",y1,0,1000))
        block.append(("rb = ",r1,0,1000)) #Aaia n ia?aie?aieai a?aieo e oeia aaiiuo
        block.append(("rs = ",r2,0,1000))
        block.append(("pX=",px,0,1000))
        block.append(("pY =",py,0,1000))
        retVal=Draw.PupBlock("Line coords",block) # Nicaaiea oaaeeou
        allPoints.append(x1.val)
        allPoints.append(y1.val)
        allPoints.append(r1.val)
        allPoints.append(r2.val)
        allPoints.append(px.val)
        allPoints.append(py.val)

        if evt==2:
            xb=allPoints[0]
            yb=allPoints[1]
            rb=allPoints[2]
            rs=allPoints[3]

            px=allPoints[4]
            py=allPoints[5]
            i=0
            XY=[xb+rb,yb]
            glClearColor(0,0,0,0.2) # background color
            glClear(BGL.GL_COLOR_BUFFER_BIT) # clear image buffer
            glColor3f(1.0,0,0)
            glLineWidth(1)
            glBegin(GL_LINE_LOOP)

            while i<360:
                XY[0]=xb+rb*cos((radians(i)))
                XY[1]=yb+rb*sin((radians(i)))
                i+=1
                glVertex2f(XY[0],XY[1])
            glEnd()

        Draw.Redraw(1)
        return





def gui():
    Draw.PushButton("select data",1,1,10,65,20,"select information about the graphic")
    Draw.PushButton("draw",2,1,70,65,20,"draw the circle")
Draw.Register(gui, event, button_event)  # registering the 3 callbacks