这段代码是一个基本的空间模拟，我正在尝试制作，因此，如果您的鼠标移过一个行星，它将显示该行星的信息。但此刻碰撞是一个正方形。我如何做到这一点，所以碰撞只有在它飞过地球而不是整个正方形时才会发生。
#import the library
import pygame,math,random
#initialise the engine
pygame.init()
#classes
class planet(pygame.sprite.Sprite):
def __init__(self,name,colour,distance,eccentricity,radius,x,y,angle,orbitperiod,filename):
pygame.sprite.Sprite.__init__(self)
self.screen = screen
self.name = name
self.colour = colour
self.distance = distance
self.eccentricity = eccentricity
self.radius = radius
self.x = x
self.y = y
self.angle = angle
self.orbitperiod = orbitperiod
self.filename = filename
self.image = pygame.image.load(self.filename).convert_alpha()
self.image = pygame.transform.scale(self.image,[int(self.radius),int(self.radius)])
self.rect = self.image.get_rect()
class slider():
def __init__(self,name,intval,minval,maxval,pos):
self.name = name
self.intval = intval
self.minval = minval
self.maxval = maxval
self.xpos = 1520
self.ypos = pos
self.surf = pygame.surface.Surface((250, 50))
self.hit = False
self.txt_surf = font.render(name, 1, Black)
self.txt_rect = self.txt_surf.get_rect(center=(125, 15))
#slider background #
self.surf.fill((Blue))
pygame.draw.rect(self.surf, Black, [0, 0, 250, 75], 3)
pygame.draw.rect(self.surf, Blueviolet, [10, 10, 230, 10], 0)
pygame.draw.rect(self.surf, Blueviolet, [10, 10, 230, 10], 1)
pygame.draw.rect(self.surf, White, [10, 30, 230, 5], 0)
self.surf.blit(self.txt_surf, self.txt_rect)
# button surface #
self.button_surf = pygame.surface.Surface((20, 20))
self.button_surf.fill(Transparent)
self.button_surf.set_colorkey(Transparent)
pygame.draw.circle(self.button_surf,Black, (10, 10), 6, 0)
pygame.draw.circle(self.button_surf,Green, (10, 10), 4, 0)
def draw(self):
# static
surf = self.surf.copy()
# dynamic
pos = (10+int((self.intval-self.minval)/(self.maxval-self.minval)*230), 33)
self.button_rect = self.button_surf.get_rect(center=pos)
surf.blit(self.button_surf, self.button_rect)
self.button_rect.move_ip(self.xpos, self.ypos)
# screen
screen.blit(surf, (self.xpos, self.ypos))
def move(self):
self.intval = (pygame.mouse.get_pos()[0] - self.xpos - 10) / 230 * (self.maxval - self.minval) + self.minval
## print(self.intval)
if self.intval < self.minval:
self.intval = self.minval
if self.intval > self.maxval:
self.intval = self.maxval
class Button:
def __init__(self, x, y, width, height, colour, surface, letter):
self.x = x
self.y = y
self.width = width
self.height = height
self.colour = colour
self.surface = surface
self.letter = letter
def is_pressed(self):
mouse_position = pygame.mouse.get_pos()
mouse_x = mouse_position[0]
mouse_y = mouse_position[1]
if mouse_x > self.x:
if mouse_x < self.x + self.width:
if mouse_y > self.y:
if mouse_y < self.y + self.height:
mouse_click = pygame.mouse.get_pressed()
left_click = mouse_click[0]
if left_click:
self.colour = (0,0,0)
return True
self.colour = (Blueviolet)
return False
def draw_button(self):
pygame.draw.rect(self.surface, self.colour,(self.x,self.y, self.width, self.height))
font = pygame.font.SysFont('Calbri',15,True,False)
text = font.render(self.letter, True, Black)
text_rect = text.get_rect(center=(self.x+self.width/2,self.y+self.height/2))
screen.blit(text, text_rect)
def addtostring(input_word,newletter):
return input_word + newletter
def orbit(planet):
if planet.name == "Planet X":
a = planetxdistance.intval*(1.496*10**8)
e = planetxeccentricity.intval
angle_radians = math.radians(planet.angle)
angle=angle_radians*planetxorbitperiod.intval*speedmodifier
r = a*(1-(e*math.cos(angle)))
planet.x = int(math.cos(angle)*r/10**zoom.intval)
planet.y = int(math.sin(angle)*r/10**zoom.intval)
planet.angle+=pauseplaymodifier
planet.x +=(centre[0]-(planet.radius/2))
planet.y +=(centre[1]-(planet.radius/2))
planet.rect.x = planet.x
planet.rect.y = planet.y
else:
## print(planet.x,planet.y)
a = planet.distance*(1.496*10**8)
e = planet.eccentricity
angle_radians = math.radians(planet.angle)
angle=angle_radians*planet.orbitperiod*speedmodifier
r = a*(1-(e*math.cos(angle)))
planet.x = int(math.cos(angle)*r/10**(zoom.intval))
planet.y = int(math.sin(angle)*r/10**(zoom.intval))
planet.angle+=pauseplaymodifier
planet.x +=centre[0]-(planet.radius/2)
planet.y +=centre[1]-(planet.radius/2)
planet.rect.x = planet.x
planet.rect.y = planet.y
#define colours
White = (255, 255, 255)
Black = (0, 0, 0)
Red = (255, 50, 50)
Yellow = (255, 255, 0)
Green = (0, 255, 50)
Blue = (50, 50, 255)
Grey = (200, 200, 200)
Orange = (200, 100, 50)
Cyan = (0, 255, 255)
Magenta = (255, 0, 255)
Blueviolet = (138,43,226)
Random = (random.randint(0,255),random.randint(0,255),random.randint(0,255))
Transparent = (1,1,1)
moveticks = 0
Paused = False
pauseplaymodifier = 1
speedmodifier = 1
years = 1
newletter = ""
input_word = ""
# sprite
planet_listsprite = pygame.sprite.Group()
all_sprites_list = pygame.sprite.Group()
counter = 0
spritehit = False
#window
size = (1800,800)
screen = pygame.display.set_mode(size)
centre = [800,400]
background = pygame.image.load("Space.png").convert()
# planets
planet_draw =[]
# slider
font = pygame.font.SysFont("Calibri", 15)
zoom = slider("Zoom",5,5,8,120)
planetxdistance = slider("Distance from sun",0,0,40,400)
planetxeccentricity = slider("Eccentricity",0.5,0,1,450)
planetxradius = slider("Radius of planet",7,1,600,500)
planetxorbitperiod = slider("Speed of orbit",1,0,6,550)
slides = [zoom,planetxdistance,planetxeccentricity,planetxradius,planetxorbitperiod]
# buttons
buttons = []
paused = False
play = Button(1520,60,100,50,Blueviolet,screen,"Play")
pause = Button(1670,60,100,50,Blueviolet,screen,"Pause")
pluszoom = Button(1705,180,55,50,Blueviolet,screen,"+")
minuszoom = Button(1520,180,55,50,Blueviolet,screen,"-")
buttons = [play,pause,pluszoom,minuszoom]
# moving scroll thing
intpos = []
finpos = []
differencex = ""
differencey = ""
# screen,name,colour,distance,eccentricity,radius,x,y,angle,orbit period
planet_list =[
["Planet X",(random.randint(0,255),random.randint(0,255),random.randint(0,255)),planetxdistance.intval,planetxeccentricity.intval,planetxradius.intval,0,0,0,planetxorbitperiod.intval,"PlanetX.png"],
['Sun', Red,0,0,695,0,0,0,1,"Sun.png"],
['Mercury',(random.randint(0,255),random.randint(0,255),random.randint(0,255)),0.387,0.2056,2.440,0,0,7.005,4.1521,"Mercury.png"],
['Venus',(random.randint(0,255),random.randint(0,255),random.randint(0,255)),0.723,0.0068,6.052,0,0,3.3947,1.6255,"Venus.png"],
['Earth',(random.randint(0,255),random.randint(0,255),random.randint(0,255)),1,0.0167,6.371,0,0,0,1,"Earth.png"],
## ['Moon',(random.randint(0,255),random.randint(0,255),random.randint(0,255)),0.00256957534,0.0549,1.737,0,0,0,13.51851852,"Moon.png"],
['Mars',(random.randint(0,255),random.randint(0,255),random.randint(0,255)),1.524,0.0934,3.390,0,0,1.851,0.5316,"Mars.png"],
['Jupiter',(random.randint(0,255),random.randint(0,255),random.randint(0,255)),5.203,0.0484,69.911,0,0,1.305,0.0843,"Jupiter.png"],
['Saturn',(random.randint(0,255),random.randint(0,255),random.randint(0,255)),9.537,0.0542,58.232,0,0,2.484,0.03396,"Saturn.png"],
['Uranus',(random.randint(0,255),random.randint(0,255),random.randint(0,255)),19.191,0.0472,25.362,0,0,0.770,0.0119027,"Uranus.png"],
['Neptune',(random.randint(0,255),random.randint(0,255),random.randint(0,255)),30.069,0.0086,24.622,0,0,1.769,0.0068447,"Neptune.png"],
]
for i in range(50):
planet_list.append(['Astoroid',Random,(random.randrange(2200, 3200))/1000,0.05,1,0,0,random.randint(0,360),1,"Astoroid.png"])
for i in planet_list:
planet_draw.append(planet(i[0],i[1],i[2],i[3],i[4],i[5],i[6],i[7],i[8],i[9]))
for i in range(len(planet_list)):
planet_listsprite.add(planet_draw)
all_sprites_list.add(planet_draw)
targetfps = 60.00
#set window title
pygame.display.set_caption("Orbit Simulator")
#loop unti the user clicks the close button
done = False
#used to manage how fast the screen updates
clock = pygame.time.Clock()
#------ Main program Loop ------
while not done:
#--- Main event loop
for event in pygame.event.get():
pos = pygame.mouse.get_pos()
if event.type == pygame.QUIT:
done = True
if event.type == pygame.MOUSEBUTTONDOWN:
pos = pygame.mouse.get_pos()
xpos = pos[0]
ypos = pos[1]
for i in slides:
if i.button_rect.collidepoint(pos):
i.hit = True
elif event.type == pygame.MOUSEBUTTONUP:
pos = pygame.mouse.get_pos()
xpos = pos[0]
ypos = pos[1]
for i in slides:
i.hit = False
if event.type ==pygame.KEYDOWN:
if event.key == pygame.K_UP:
if moveticks == 10:
centre[1]-=1
moveticks = 0
else:
moveticks+=1
elif event.key == pygame.K_DOWN:
if moveticks ==10:
centre[1]+=1
moveticks = 0
else:
moveticks+=1
elif event.key == pygame.K_LEFT:
if moveticks == 10:
centre[0]-=1
moveticks = 0
else:
moveticks-=1
elif event.key == pygame.K_RIGHT:
print(moveticks)
if moveticks==10:
centre[0]+=1
moveticks =0
else:
moveticks+1
for i in planet_listsprite:
if i.rect.collidepoint(pos[0],pos[1]):
spritehit = True
print("Hit",counter)
counter+=1
else:
spritehit = False
#------ Game logic should go here ------
if pause.is_pressed():
pause.colour = Blue
pauseplaymodifier = 0
if play.is_pressed():
play.colour = Blue
pauseplaymodifier = 1
if pluszoom.is_pressed():
speedmodifier+=1
if minuszoom.is_pressed():
if speedmodifier == 1:
pass
elif speedmodifier >1:
speedmodifier= speedmodifier-1
elif speedmodifier <1:
pass
# STUCK ON ZOOM AND MAKING IT DECREAASEE
for planet in all_sprites_list:
orbit(planet)
for i in slides:
if i.hit:
i.move()
# #------ Drawing code should go here -------
screen.fill(Black)
screen.blit(background,(0,0))
for i in all_sprites_list:
all_sprites_list.draw(screen)
# menu
pygame.draw.rect(screen,White,[1500,0,1800,800])
pygame.draw.rect(screen,Blueviolet,[1500,0,300,800],5)
font = pygame.font.SysFont('Calibri',20,True,False)
text = font.render("Menu",True,Black)
screen.blit(text,[1520,25])
# slider
for s in slides:
s.draw()
#buttons
for i in buttons:
i.draw_button()
# pause play
pygame.draw.rect(screen,Black,[1570,180,135,50])
font = pygame.font.SysFont('Calibri',25,True,False)
text = font.render(str(speedmodifier),True,White)
screen.blit(text,[1605,200])
# input text
font = pygame.font.SysFont('Calibri',20,True,False)
text = font.render(input_word,True,Black)
screen.blit(text,[1620,300])
font = pygame.font.SysFont('Calibri',20,True,False)
text = font.render("Input word:",True,Black)
screen.blit(text,[1510,300])
#update the screen
pygame.display.flip()
#------ Limit to 60 frames per second ------
clock.tick(60)
#------ When the loop ends, quit ------
pygame.quit()
如果您需要这些代码，则需要一些图像，我也可以发送给您