我制作了游戏的第一级。我想到的第二个层面可能是，当玩家碰撞或触摸汽车时，当前玩家的图像将消失，玩家的新图像将成为汽车，就像玩家在车内并驾驶汽车一样。汽车是否也可以像玩家左，右，上，下等一样具有相同的功能和控制......如何更改玩家图像并仍然获得与玩家相同的控制？我为汽车和玩家上过课，但我不知道下一步该做什么。任何帮助将不胜感激。 Python 2.6，Pygame sprites，windows 7。
这是汽车的课程。
class Car(pygame.sprite.Sprite):
change_x = 0
change_y = 0
movingPlatform_list = None
frame_since_collision = 0
def __init__(self, color, width, height):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.Surface([width, height])
self.image.fill(aqua)
self.rect = self.image.get_rect()
def update(self, player, block_list, movingPlatform_list):
# Move left/right
self.rect.x += self.change_x
# See if we hit anything
block_hit_list = pygame.sprite.spritecollide(self, block_list, False)
movingPlatform_hit_list = pygame.sprite.spritecollide(self, movingPlatform_list, False)
for block in block_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = block.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = block.rect.right
for movingPlatform in movingPlatform_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = movingPlatform.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = movingPlatform.rect.right
# Move up/down
self.rect.y += self.change_y
# Check and see if we hit anything
block_hit_list = pygame.sprite.spritecollide(self, block_list, False)
movingPlatform_hit_list = pygame.sprite.spritecollide(self, movingPlatform_list, False)
for block in block_hit_list:
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = block.rect.top
else:
self.rect.top = block.rect.bottom
# Stop our vertical movement
self.change_y = 0
for movingPlatform in movingPlatform_hit_list:
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = movingPlatform.rect.top
else:
self.rect.top = movingPlatform.rect.bottom
# Stop our vertical movement
self.change_y = 0
self.rect.x += movingPlatform.change_x
# Increment frame counter
self.frame_since_collision += 1
# Calculate effect of gravity.
def calc_grav(self):
self.change_y += .35
# See if we are on the ground.
if self.rect.y >= 485 and self.change_y >= 0:
self.change_y = 0
self.rect.y = 485
self.frame_since_collision = 0
这是玩家的课程。玩家类中的大部分（def更新）都是sprite collides命令。
class Player(pygame.sprite.Sprite):
# -- Attributes
# Set speed vector of player
change_x = 0
change_y = 0
# Set to true if it is ok to jump
jump_ok = True
# Moving Platform determining if player is on the moving platform
movingPlatform_list = None
# Frames
frame = 0
# Count of frames since the player
# collided against something. Used to prevent jumping
# when we haven't hit anything.
frame_since_collision = 0
# -- Methods
# Constructor function
def __init__(self, x, y):
# Call the parent's constructor
pygame.sprite.Sprite.__init__(self)
# List that the cat images will be saved in.
self.images=[]
# Load all the cat images, from cat1.png to cat8.png.
for i in range(1,9):
img = pygame.image.load("cat"+str(i)+".png").convert()
img.set_colorkey(white)
self.images.append(img)
# By default, use image 0
self.image = self.images[0]
# Fetch the rectangle object that has the dimensions of the image
# image.
# Update the position of this object by setting the values
# of rect.x and rect.y
# Make our top-left corner the passed-in location.
self.rect = self.image.get_rect()
self.rect.x = x
self.rect.y = y
# Change the speed of the player
def changespeed(self,x,y):
self.change_x+=x
self.change_y+=y
# Find a new position for the player
def update(self, blocks, tables, chairLeft, chairRight, carMode):
# Move left/right
self.rect.x += self.change_x
# If we are moving right to left
if self.change_x < 0:
# Update our frame counter
self.frame += 1
# We go from 0...3. If we are above image 3, reset to 0
# Multiply by 4 because we flip the image every 4 frames
if self.frame > 3*4:
self.frame = 0
# Grab the image, do floor division by 4 because we flip
# every 4 frames.
# Frames 0...3 -> image[0]
# Frames 4...7 -> image[1]
# etc.
self.image = self.images[self.frame//4]
# Move left to right. About the same as before, but use
# images 4...7 instead of 0...3. Note that we add 4 in the last
# line to do this.
if self.change_x > 0:
self.frame += 1
if self.frame > 3*4:
self.frame = 0
self.image = self.images[self.frame//4+4]
# See if we hit anything
block_hit_list = pygame.sprite.spritecollide(self, blocks, False)
movingPlatform_hit_list = pygame.sprite.spritecollide(self, movingPlatform_list, False)
table_hit_list = pygame.sprite.spritecollide(self, table_list, False)
chairLeft_hit_list = pygame.sprite.spritecollide(self, chairLeft_list, False)
chairRight_hit_list = pygame.sprite.spritecollide(self, chairRight_list, False)
computerBlock_hit_list = pygame.sprite.spritecollide(self, computerBlock_list, False)
shooter_hit_list = pygame.sprite.spritecollide(self, shooter_list, False)
explosion_hit_list = pygame.sprite.spritecollide(self, explosion_list, False)
door_hit_list = pygame.sprite.spritecollide(self, door_list, False)
for block in block_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = block.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = block.rect.right
for movingPlatform in movingPlatform_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = movingPlatform.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = movingPlatform.rect.right
for table in table_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = table.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = table.rect.right
for chairLeft in chairLeft_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = chairLeft.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = chairLeft.rect.right
for chairRight in chairRight_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = chairRight.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = chairRight.rect.right
for shooter in shooter_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = shooter.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = shooter.rect.right
for explosion in explosion_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = explosion.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = explosion.rect.right
for computerBlock in computerBlock_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = computerBlock.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = computerBlock.rect.right
for door in door_hit_list:
# If we are moving right, set our right side to the left side of the item we hit
if self.change_x > 0:
self.rect.right = door.rect.left
else:
# Otherwise if we are moving left, do the opposite.
self.rect.left = door.rect.right
# Move up/down
self.rect.y += self.change_y
# Check and see if we hit anything
block_hit_list = pygame.sprite.spritecollide(self, blocks, False)
movingPlatform_hit_list = pygame.sprite.spritecollide(self, movingPlatform_list, False)
table_hit_list = pygame.sprite.spritecollide(self, table_list, False)
chairRight_hit_list = pygame.sprite.spritecollide(self, chairRight_list, False)
chairLeft_hit_list = pygame.sprite.spritecollide(self, chairLeft_list, False)
computerBlock_hit_list = pygame.sprite.spritecollide(self, computerBlock_list, False)
shooter_hit_list = pygame.sprite.spritecollide(self, shooter_list, False)
explosion_hit_list = pygame.sprite.spritecollide(self, explosion_list, False)
door_hit_list = pygame.sprite.spritecollide(self, door_list, False)
for block in block_hit_list:
# We hit something below us. Set the boolean to flag that we can jump
if self.change_y > 0:
self.jump_ok = True
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = block.rect.top
else:
self.rect.top = block.rect.bottom
# Stop our vertical movement
self.change_y = 0
# If we haven't hit anything in a while, allow us jump
if self.frame_since_collision > 10:
self.jump_ok = False
for movingPlatform in movingPlatform_hit_list:
# We hit something below us. Set the boolean to flag that we can jump
if self.change_y > 0:
self.jump_ok = True
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = movingPlatform.rect.top
else:
self.rect.top = movingPlatform.rect.bottom
# Stop our vertical movement
self.change_y = 0
self.rect.x += movingPlatform.change_x
# Increment frame counter
self.frame_since_collision += 1
for table in table_hit_list:
# We hit something below us. Set the boolean to flag that we can jump
if self.change_y > 0:
self.jump_ok = True
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = table.rect.top
else:
self.rect.top = table.rect.bottom
# Stop our vertical movement
self.change_y = 0
# Increment frame counter
self.frame_since_collision += 1
for chairLeft in chairLeft_hit_list:
# We hit something below us. Set the boolean to flag that we can jump
if self.change_y > 0:
self.jump_ok = True
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = chairLeft.rect.top
else:
self.rect.top = chairLeft.rect.bottom
# Stop our vertical movement
self.change_y = 0
# Increment frame counter
self.frame_since_collision += 1
for chairRight in chairRight_hit_list:
# We hit something below us. Set the boolean to flag that we can jump
if self.change_y > 0:
self.jump_ok = True
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = chairRight.rect.top
else:
self.rect.top = chairRight.rect.bottom
# Stop our vertical movement
self.change_y = 0
# Increment frame counter
self.frame_since_collision += 1
for shooter in shooter_hit_list:
# We hit something below us. Set the boolean to flag that we can jump
if self.change_y > 0:
self.jump_ok = True
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = shooter.rect.top
else:
self.rect.top = shooter.rect.bottom
# Stop our vertical movement
self.change_y = 0
# Increment frame counter
self.frame_since_collision += 1
for explosion in explosion_hit_list:
# We hit something below us. Set the boolean to flag that we can jump
if self.change_y > 0:
self.jump_ok = True
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = explosion.rect.top
else:
self.rect.top = explosion.rect.bottom
# Stop our vertical movement
self.change_y = 0
for computerBlock in computerBlock_hit_list:
# We hit something below us. Set the boolean to flag that we can jump
if self.change_y > 0:
self.jump_ok = True
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = computerBlock.rect.top
else:
self.rect.top = computerBlock.rect.bottom
# Stop our vertical movement
self.change_y = 0
# Increment frame counter
self.frame_since_collision += 1
for door in door_hit_list:
# We hit something below us. Set the boolean to flag that we can jump
if self.change_y > 0:
self.jump_ok = True
# Keep track of the last time we hit something
self.frame_since_collision = 0
# Reset our position based on the top/bottom of the object.
if self.change_y > 0:
self.rect.bottom = door.rect.top
else:
self.rect.top = door.rect.bottom
# Stop our vertical movement
self.change_y = 0
# Increment frame counter
self.frame_since_collision += 1
# Calculate effect of gravity.
def calc_grav(self):
self.change_y += .35
# See if we are on the ground.
if self.rect.y >= 460 and self.change_y >= 0:
self.change_y = 0
self.rect.y = 460
self.frame_since_collision = 0
self.jump_ok = True
# Called when user hits 'jump' button
def jump(self,blocks):
# If it is ok to jump, set our speed upwards
if self.jump_ok:
self.change_y = -8
答案 0 :(得分：0)
您可以执行以下操作：
当玩家触摸汽车时，为玩家设置不同的图像。然后用另一个按钮将其更改回来。当您只更改图像时，控件将保持不变。