Game Development Reference
In-Depth Information
To create a global variable, just select the
For all sprites
radio buton as shown in the
following screenshot:
In Space Age, there are six global variables:
enemy_count
,
frame_rate
,
game_level
,
game_score
,
power_boost_on
, and
max_game_level
. Their descripion is given in the
following table:
Global variable name
Description
current_enemy_count
Current count of enemies in game
frame_rate
The frame refresh rate; often used to pause for
the costume
game_level
Current level of the game; range—
1~max_
game_level
game_score
Current game score; range—
000~999
power_boost_on
True if spaceship's laser boost is on; false if it is off
max_game_level
Highest level in this game
Objective complete - mini debriefing
We've covered the stage, global variables, and the sprites in Space Age. Ater geing a quick
glimpse of all the sprites, next we will complete each sprite.
