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ball.py
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ball.py
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import random
import pygame
class Ball(pygame.sprite.Sprite):
'''
Created: April 29, 2015
The constructor has 5 required parameters
This class draws a circle with the given parameters
it has 4 methods: move, draw, reset, statdraw
move: redraws the circle with new coordinates
draw: paints the circle onto the surface with given coordinates
reset: moves the circle out of the screen from x axis
static_draw: paints the circle with the coordinates it was set with
@author: Armen Seksenyan
last Modified: June 1, 2015
'''
def __init__(self, color, x_coord, y_coord, speed, radius):
'''
Constructor
'''
super().__init__();
pygame.init()
self.x = x_coord
self.y = y_coord
self.speed = speed
self.radius = radius
self.color = color
def move(self, screen):
''''changes the x coordinates of the circle
takes a surface: screen to be used if the x coordinate is below
or equal to 0 to call reset function
'''
self.x = self.x - self.speed
if(self.x <0):
self.reset(screen)
def draw(self,screen, x, y):
''' paints the circle onto a surface: screen using
int: x coordinate and int: y coordinate for the location
'''
self.x = x
self.y = y
pygame.draw.circle(screen, self.color, (x, y), self.radius, 0)
def reset(self, screen):
''' takes a surface: screen to get the screen size
resets the x value 30 pixels passed the screen width
resets the y value randomly within the screen height
'''
self.x = screen.get_size()[0]+30
self.y = random.randint(0, screen.get_size()[1])
self.radius = random.randint(10, 60)
def static_Draw(self, screen):
''' takes a surface: screen
uses the properties set to paint the circle
'''
pygame.draw.circle(screen, self.color, (self.x, self.y), self.radius, 0)