Exercise0.py

import sys
import pygame as pg


class Rectangle:
    def __init__(self, x=0, y=0, w=0, h=0):
        self.x = x  # Position X
        self.y = y  # Position Y
        self.w = w  # Width
        self.h = h  # Height

    def draw(self, screen):
        pg.draw.rect(screen, (120, 20, 220), (self.x, self.y, self.w, self.h))


class Button(Rectangle):
    def __init__(self, x=0, y=0, w=0, h=0):
        Rectangle.__init__(self, x, y, w, h)

    def isMouseOn(self):
        if self.x <= pg.mouse.get_pos()[0] <= (self.x + self.w) and self.y <= pg.mouse.get_pos()[1] <= (self.y + self.h):
            return True
        else:
            pass


pg.init()
run = True
win_x, win_y = 800, 480
screen = pg.display.set_mode((win_x, win_y))
btn = Button(20, 20, 100, 100)  # สร้าง Object จากคลาส Button ขึ้นมา

while (run):
    screen.fill((255, 255, 255))
    if btn.isMouseOn():
        btn.w = 200
        btn.h = 300
    else:
        btn.w = 100
        btn.h = 100
    btn.draw(screen)

    pg.display.update()
    for event in pg.event.get():
        if event.type == pg.QUIT:
            pg.quit()
            run = False