Lecture 움직이는 공들 2

보드 생성

공하나와 베이스를 하나만 생성하는 프로그램. crash함수는 두 개가 접촉하였는지 확인한다.

# ball_03_base.py

import pygame
import time
import numpy as np
import random 

def crash(base,ball):
    if (base.x <= ball.x) and (base.x + base.width >= ball.x):
        if (base.y <= ball.y + ball.radius):
            return True
        else:
            return False
    elif (base.x > ball.x) and (base.x < ball.x + ball.radius):
        if ((base.y - ball.y)**2 + (base.x - ball.x)**2) <= ball.radius**2:
            return True
        else:
            return False
    elif (base.x + base.width < ball.x) and (base.x + base.width > ball.x - ball.radius):
        if ((base.y - ball.y)**2 + (base.x - ball.x)**2) <= ball.radius**2:
            return True
        else:
            return False
    else:
        return False

class Ball():
    def __init__(self,x,y,radius,vx,vy,dx,dy):
        self.x = x
        self.y = y
        self.radius = radius
        self.vx = vx
        self.vy = vy
        self.dx = dx
        self.dy = dy
        
    def draw(self,color):
        self.img = pygame.draw.circle(win, color, (self.x,self.y), self.radius)
    def show(self):
        pygame.display.flip(self.img, (self.x, self.y))
    def move(self):
        self.x = self.x + self.dx * self.vx
        self.y = self.y + self.dy * self.vy
        if self.x >= 500 - self.radius:
            self.dx = -1
        if self.x <= self.radius:
            self.dx = 1
        if self.y >= 400 - self.radius:
            self.dy = -1
        if self.y <= self.radius:
            self.dy = 1     

class Base():
    def __init__(self,x,y,width,height,vel):
        self.x = x
        self.y = y
        self.width = width
        self.height = height
        self.vel = vel
        
    def draw(self,color):
        self.img = pygame.draw.rect(win, color, (self.x, self.y, self.width, self.height))
    def show(self):
        pygame.display.flip(self.img, (self.x, self.y))

pygame.init()

win = pygame.display.set_mode((500,400)) 
 
pygame.display.set_caption('두번째 예제') 

x, y, radius, vx, vy, dx, dy = 50, 50, 30, 5, 5, 1, 1
bx, by, width, height, vel = 50, 380, 80, 10, 5

clock = pygame.time.Clock()

run = True
move = False
ball = Ball(x,y,radius,vx,vy,dx,dy)
base = Base(bx, by, width, height,vel)

while run:
    t1 = time.time_ns()
    clock.tick(25)

    t2 = time.time_ns()
    s = 0
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            run = False
        elif event.type == pygame.MOUSEBUTTONDOWN:
            move = True
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_LEFT:
                base.x = base.x - base.vel
            elif event.key == pygame.K_RIGHT:
                base.x = base.x + base.vel
            elif event.key == pygame.K_SPACE:
                print('key 2 is pressed')            
    keys = pygame.key.get_pressed()
    if keys[pygame.K_LEFT]:
        base.x = base.x - base.vel
    if keys[pygame.K_RIGHT]:
        base.x = base.x + base.vel
    if keys[pygame.K_SPACE]:
        print('space is pressed')
        
    if move:
        ball.x = ball.x + ball.dx * ball.vx
        ball.y = ball.y + ball.dy * ball.vy
    if ball.x >= 500 - ball.radius:
        ball.dx = -1
    if ball.x <= ball.radius:
        ball.dx = 1
    if ball.y >= 400 - ball.radius:
        ball.dy = -1
    if ball.y <= ball.radius:
        ball.dy = 1

    if crash(base,ball):
       print('Crashed') 
       
    win.fill((0,0,0)) 
    ball.draw((255,0,0))
    base.draw((255,0,0))
    #pygame.draw.circle(win, (255,0,0),(x,y),radius)
    #pygame.draw.rect(win, (255,0,0), (bx, by, width, height))
    pygame.display.update() 
    t3 = time.time_ns()
    
pygame.quit()