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147 lines
3.5 KiB
147 lines
3.5 KiB
#!/usr/bin/env python3
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from sys import argv
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import pygame as pg
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# locals
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from ship import Ship
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from gem import Gem
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from block import Block
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from starfield import Starfield
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from read_level import read_level
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# Colors
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BLACK = (0,)*3
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WHITE = (255,)*3
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# Graphical Environment
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WIN_SIZE = (640, 480)
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MAX_FPS = 60
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# Game constants
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# Sprite positions
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if len(argv) >= 2:
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(start, gem_pos, block_pos) = read_level(argv[1])
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else:
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start = (0,0)
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gem_pos = [(100,100)]
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block_pos = []
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# Setup
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pg.init()
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clock = pg.time.Clock()
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font = pg.font.SysFont('Courier',24)
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pg.display.set_caption(f"Space Collector")
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screen = pg.display.set_mode(WIN_SIZE)
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scr_rect = screen.get_rect()
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map_rect = pg.Rect(
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(start[0]-scr_rect.width/2,
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start[1]-scr_rect.height/2),
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scr_rect.size
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)
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the_starfield = Starfield(screen);
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the_ship = Ship(start,scr_rect)
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the_ship.rect.x = scr_rect.centerx - the_ship.rect.width / 2
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the_ship.rect.y = scr_rect.centery - the_ship.rect.height / 2
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disp_sprites = pg.sprite.Group()
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gems = pg.sprite.Group(map(Gem,gem_pos))
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blocks = pg.sprite.Group(map(Block, block_pos))
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moving = pg.sprite.Group(gems,blocks)
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# Game loop
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carry_on = True
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win = False
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while carry_on:
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# Quitting states
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for event in pg.event.get():
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if event.type == pg.QUIT:
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carry_on = False
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elif event.type==pg.KEYDOWN:
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if event.key==pg.K_ESCAPE:
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carry_on = False
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### Game Logic ###
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mouse_events = pg.mouse.get_pressed()
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if mouse_events[0]:
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the_ship.deceleration = 0
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the_ship.velocity += 1
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if mouse_events[2]:
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the_ship.deceleration = 1
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mousev = pg.math.Vector2(pg.mouse.get_pos())
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mousev -= scr_rect.center
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# ship movement
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if mousev.length() > the_ship.SIZE/2:
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the_ship.direction += mousev.normalize()/(the_ship.velocity+1)
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the_ship.direction.normalize_ip()
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the_ship.velocity = max(the_ship.velocity - the_ship.deceleration, 0)
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if the_ship.velocity == 0:
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the_ship.deceleration = 0
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# Move ship
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the_ship.change = (the_ship.velocity*the_ship.direction)
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the_ship.map_pos.x += round(the_ship.change.x)
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the_ship.map_pos.y += round(the_ship.change.y)
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# Move camera to follow ship
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map_rect.x = the_ship.map_pos.x - map_rect.w/2
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map_rect.y = the_ship.map_pos.y - map_rect.h/2
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for s in moving:
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# Display on screen sprites
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if not map_rect.colliderect(s.map_rect):
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s.remove(disp_sprites)
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continue
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s.add(disp_sprites)
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if not win:
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s.collide_ship(the_ship)
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if len(gems) == 0:
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win = True
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### Display Logic ###
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screen.fill(BLACK)
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the_starfield.draw(screen, map_rect)
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disp_sprites.update(map_rect=map_rect)
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disp_sprites.draw(screen)
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the_ship.update(rot_vector= the_ship.direction)
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screen.blit(the_ship.image, the_ship.rect)
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if not win:
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elapsed_time = pg.time.get_ticks()/1000
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elapsed_minutes = int(elapsed_time // 60)
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elapsed_seconds = int(elapsed_time // 1) % 60
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time_string = f"{elapsed_minutes:d}:{elapsed_seconds:02d}"
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time_label = font.render(time_string, 1, WHITE)
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time_pos = (screen.get_width()-10-time_label.get_width(),10)
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screen.blit(time_label, time_pos)
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if win:
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gem_str = f"Level Complete!"
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else:
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gem_str = f"Gems to collect:{len(gems):3d} "
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gem_label = font.render(gem_str,True, WHITE)
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screen.blit(gem_label, (10, 10))
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pg.display.flip()
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clock.tick(MAX_FPS)
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pg.quit()
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