blob.py

import random

class Blob:

    def __init__(self,color,x_boundary, y_buondary,size_range=(4,8),movement_range=(-1,2)):
        
        self.size = random.randrange(size_range[0],size_range[1])
        self.color = color
        self.x_boundary = x_boundary
        self.y_buondary = y_buondary
        self.x = random.randrange(0, self.x_boundary )
        self.y = random.randrange(0, self.y_buondary)
        self.movement_range = movement_range

    def __repr__(self):
        return 'Blob({},{},({},{}))'.format(self.color,
                                            self.size,self.x,self.y)
        

    def move(self):
        self.move_x = random.randrange(self.movement_range[0],self.movement_range[1])
        self.move_y = random.randrange(self.movement_range[0],self.movement_range[1])
        self.x += self.move_x
        self.y += self.move_y


    def check_bounds(self):
        if self.x <0: self.x = 0
        elif self.x > self.x_boundary : self.x = self.x_boundary 

        if self.y<0:  self.y= 0
        elif self.y > self.y_buondary:  self.y = self.y_buondary