Space invaders game code

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Share Copy sharable link for this gist. Learn more about clone URLs. Download ZIP. Space Invaders for Python. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below.

To review, open the file in an editor that reveals hidden Unicode characters. Cyan light blue-green powerups give you 5 points. Mob guide: Green mobs 1 pt are normal. Purple mobs 2 pts have more health. Blue mobs 2 pts are faster. We need to import: os. The update function handles movement. Shield and unshield change variables and the image when the player hits a shield powerup.

The update section handles the movement and destroys the bullet if it goes off screen. Improve Article. Save Article. Like Article. Last Updated : 22 Nov, Before explaining this, we want you to take a look at the collision portion of the code inside the game loop first below: Python3. True , , , Invaders Game by: - styles". Font 'freesansbold.

Controling the player movement. Fixing the change of direction of bullet. If the shot triggered by the player collides with an alien, the alien ship is destroyed. More precisely, the dying flag is set. We use it to display an explosion. The deaths variable increases and the shot sprite is destroyed.

If the aliens reach the right end of the Board , they move down and change their direction to the left. This is the code that determines whether the alien will drop a bomb. The alien must not be destroyed; i. The bomb's destroyed flag must be set. In other words, it is the alien's first bomb dropping or the previous dropped bomb already hit the ground. If these two conditions are fulfilled, the bombing is left to the chance. If the bomb is not destroyed, it goes 1 px to the ground.