constants.py

from pygame import font

# todo: consider resizing window if height of resolution is less than sufficient:
# from pygame import display
# RES_WIDTH, RES_HEIGHT = display.Info().current_w, display.Info().current_h

SCREENH = 800
SCREENW = 640

LEFT = 0
RIGHT = 1
UP = 2
DOWN = 3
BLACK = (0, 0, 0)

BOSSHEALTH = 300
PLAYERHEALTH = 3

# speed of map scrolling
SCROLLSPEED = 30
MAXSCROLLSPEED = 180

STATMOD_DURATION = 15   # seconds

PLAYERSPEED = 150
PLAYERMAXSPEED = 270

BULLETSPEED = 300
STATMOD_SPEED = 90

EXPLOSION_FRAME_UPDATE_WAIT = 0.2       # time between explosion frames in seconds

# number of saucers initially
INITIAL_SAUCERS = 3

# seconds between additional saucer spawns
NEW_SAUCER_IVAL = 15
# most saucers that can be in play before boss comes out
SAUCER_THRESHOLD = 10

BOSS_SPEED = 70
NUM_BOSS_EXPLOSIONS = 10

VAL_TEXT_SIZE = 20

SAUCER_DEATH_SCORE_INC = 5
BOSS_DEATH_SCORE_INC = 300

# todo: improve font and color
VAL_FONT = font.SysFont("monospace", VAL_TEXT_SIZE)

TEXTCOLOR = (255, 255, 0)
TEXTCOLOR_WHITE = (255, 255, 255)

VAL_X_LOC = 10
VAL_Y_LOC_START = 20

LEVEL_START_TEXT_SIZE = 72
LVL_START_FONT = font.SysFont("monospace", LEVEL_START_TEXT_SIZE)

# time in seconds to show level start announcement text
LVL_START_TIME = 1

SCORE_FILE = "hiscore.txt"

# layers
TEXT_LAYER = 1
GAMEOBJ_LAYER = 0
MAP_LAYER = -1