Syllabus 2010 t1 ps2 Ozalp

import sys, pygame
pygame.init()

width, height = (400, 400)
screen = pygame.display.set_mode((width, height))
clock = pygame.time.Clock()

(rx, ry) = (0, 0)
(dx, dy) = (0, 0)

def slide (start, end, slider):
	x= ((end-start)*slider)+start
        return x

while True:


    for event in pygame.event.get():
        if event.type == pygame.QUIT or \
          (event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE):
            sys.exit()

    mx, my = pygame.mouse.get_pos()
   		
    mx, my = pygame.mouse.get_pos()
    
    xslider = float(mx) / width

    yslider = float(my) / height

    screen.fill((255, 255, 255))

 
    dx = (0.91 * dx) + (0.05 * (mx - rx))
    rx += dx

    dy = (0.91 * dy) + (0.05 * (my - ry))
    ry += dy
	
    ry = abs(ry)
    print ry
    
    if ry < 1:
        ry= 1
        
    if rx < 1:
        rx= 1
    
    if ry > 50: 
        pygame.draw.circle(screen, (0, 0, 0), (200, 200), (ry),1)
        pygame.draw.circle(screen, (0, 0, 0), (200, 200), (rx+15),1)
        pygame.draw.circle(screen, (0, 0, 0), (200, 200), (rx+45),1)
        pygame.draw.circle(screen, (0, 0, 0), (200, 200), (rx+100),1)
        pygame.draw.circle(screen, (0, 0, 0), (200, 200), (ry+15),1)
        pygame.draw.circle(screen, (0, 0, 0), (200, 200), (ry+30),1)
        pygame.draw.circle(screen, (0, 0, 0), (200, 200), (ry+45),1)
        
    
    p = int((1.0 - xslider) * (width - 50))
 

    
    pygame.display.flip()

    
    clock.tick(100)