#!/usr/bin/env python
# -*- coding: utf-8 -*-
#

import pygame
from pygame.locals import *
from math import modf

white  = (255,  255,    255    )
black  = (0,  0,  0    )
red  = (255,  0,  0    )
blue  = (0,  0,  255    )
green  = (0,  255,    0    )
yellow  = (255,  255,    0    )
purple    = (255,  0,  255    )
grey    = (128,  128,    128    )

pygame.init ()
mainloop = True
# initial screen
screen_size = (640, 480)
screen = pygame.display.set_mode (screen_size, 0, 32)
pygame.display.set_caption('PyGame Project')
# initial clock
clock = pygame.time.Clock()
milli = 0.0
sec = 0.0

# initial data
osn = 32
shag_osn = 1
pers = Rect (osn*3, osn*3, osn, osn)
pers_color = blue
pers_speed = osn*8
new_pos = (pers.x, pers.y)
dest = Rect (0, 0, 30, 30)
dm = 0

while mainloop:
  for event in pygame.event.get():
   # "if-else" events
   if event.type == KEYDOWN:
    if event.key == K_w:
     pers.move_ip (0, osn)
     new_pos = (pers.x, pers.y)
   if event.type == KEYDOWN:
    if event.key == K_s:
     pers.move_ip (0, -osn)
     new_pos = (pers.x, pers.y)
   if event.type == KEYDOWN:
    if event.key == K_a:
     pers.move_ip (-osn, 0)
     new_pos = (pers.x, pers.y)
   if event.type == KEYDOWN:
    if event.key == K_d:
     pers.move_ip (osn, 0)
     new_pos = (pers.x, pers.y)
   if event.type == MOUSEBUTTONDOWN:
    if event.button == 1:
     new_pos = (int((modf(event.pos[0]/osn))[1]*osn),int((modf(event.pos[1]/osn))[1]*osn))
     print (new_pos, new_pos[0]/osn, new_pos[1]/osn)
   if event.type == QUIT:
    mainloop = False
   if event.type == KEYDOWN:
    if event.key == K_ESCAPE:
     mainloop = False
  # calc clock --------------------------------------
  milli = clock.tick()  
  sec = milli / 1000.0
  # -------------------------------------------------
  screen.fill(white)
  # create frame ------------------------------------
  dm = pers_speed*sec
  if pers.x != new_pos[0]:
   if (new_pos[0]-pers.x)>0:
    pers.move_ip(dm, 0)
   if (new_pos[0]-pers.x)<0:
    pers.move_ip(-dm, 0)
  if pers.y != new_pos[1]:
   if (new_pos[1]-pers.y)>0:
    pers.move_ip(0, dm)
   if (new_pos[1]-pers.y)<0:
    pers.move_ip(0, -dm)
  pygame.draw.rect(screen, pers_color, pers)
  pygame.display.update()
pygame.quit()