import?pygame?sys?random

#?different?images?for?the?skier?depending?on?his?direction
skier_images?=?[“skier_down.png“?“skier_right1.png“?“skier_right2.png“
?????????????????“skier_left2.png“?“skier_left1.png“]
#import?os
#os.environ[‘SDL_VIDEODRIVER‘]?=?‘windib‘
#?class?for?the?skier?sprite
class?SkierClass（pygame.sprite.Sprite）:
????def?__init__（self）:
????????pygame.sprite.Sprite.__init__（self）
????????self.image?=?pygame.image.load（“skier_down.png“）
????????self.rect?=?self.image.get_rect（）
????????self.rect.center?=?[320?100]
????????self.angle?=?0
????????
????def?turn（self?direction）:?
????????#?load?new?image?and?change?speed?when?the?skier?turns
????????self.angle?=?self.angle?+?direction
????????if?self.angle?????????if?self.angle?>??2:??self.angle?=??2?
????????center?=?self.rect.center
????????self.image?=?pygame.image.load（skier_images[self.angle]）
????????self.rect?=?self.image.get_rect（）
????????self.rect.center?=?center
????????speed?=?[self.angle?6?-?abs（self.angle）?*?2]
????????return?speed
????
????def?move（self?speed）:
????????#?move?the?skier?right?and?left
????????self.rect.centerx?=?self.rect.centerx?+?speed[0]
????????if?self.rect.centerx?????????if?self.rect.centerx?>?620:?self.rect.centerx?=?620?
????????
#?class?for?obstacle?sprites?（trees?and?flags）
class?ObstacleClass（pygame.sprite.Sprite）:
????def?__init__（self?image_file?location?type）:
????????pygame.sprite.Sprite.__init__（self）??#call?Sprite?initializer
????????self.image_file?=?image_file????????
????????self.image?=?pygame.image.load（image_file）
????????self.location?=?location
????????self.rect?=?self.image.get_rect（）
????????self.rect.center?=?location
????????self.type?=?type
????????self.passed?=?False
???????????????????
????def?scroll（self?terrainPos）:
????????self.rect.centery?=?self.location[1]?-?terrainPos

#?create?one?“screen“?of?terrain:?640?x?640
#?use?“blocks“?of?64?x?64?pixels?so?objects?aren‘t?too?close?together
def?create_map（start?end）:
????obstacles?=?pygame.sprite.Group（）
????locations?=?[]
????gates?=?pygame.sprite.Group（）
????for?i?in?range（10）:?????????????????#?10?obstacles?per?screen?
????????row?=?random.randint（start?end）
????????col?=?random.randint（0?9）
????????location??=?[col?*?64?+?20?row?*?64?+?20]?#center?x?y?for?obstacle
????????if?not?（location?in?locations）:????????#?prevent?2?obstacles?in?the?same?place
????????????locations.append（location）??????????
????????????type?=?random.choice（[“tree“?“flag“]）
????????????if?type?==?“tree“:?img?=?“skier_tree.png“
????????????elif?type?==?“flag“:??img?=?“skier_flag.png“
????????????obstacle?=?ObstacleClass（img?location?type）
????????????obstacles.add（obstacle）
????return?obstacles

#?redraw?the?screen?including?all?sprites
def?animate（）:
????screen.fill（[255?255?255]）
????pygame.display.update（obstacles.draw（screen））?
????screen.blit

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????.CA....??????5743??2019-11-19?11:52??skier\skier.py

????.CA....??????1010??2008-03-10?11:33??skier\skier_crash.png

????.CA....???????768??2008-03-10?11:38??skier\skier_down.png

????.CA....???????257??2008-02-06?01:12??skier\skier_flag.png

????.CA....???????972??2008-03-10?10:41??skier\skier_left1.png

????.CA....??????1002??2008-03-10?10:41??skier\skier_left2.png

????.CA....???????983??2008-03-10?10:43??skier\skier_right1.png

????.CA....??????1042??2008-03-10?10:42??skier\skier_right2.png

????.CA....???????847??2008-03-10?10:55??skier\skier_tree.png

????.C.D...?????????0??2019-12-13?17:46??skier

-----------?---------??----------?-----??----

????????????????12624????????????????????10