When the SPACE bar is pressed, we call the firing sequence, which places the projectile at the same position as the gun firing it. As this is a two-player game, we’ll alternate between the two guns, allowing the arrow keys to change the angle of the cannon. We can use this method for the two cannons, the projectile, and an explosion object. This makes the data handling tidy and is quite similar to the way that JSON is used in JavaScript. Fire away at your opponent, and hope they don’t hit back first.įor this code example, we can use the Python dictionary to store several bits of data about the game objects, including the Actor objects. In this case, we’ve used a two-part image, one for the base and one for the turret, which means the latter can be rotated using the up and down keys.
In our example, we have a grass foreground overlaid on a mountain scene. This is a common effect used in artillery games, and sometimes makes the gameplay more complicated as the battle progresses.
If we create a landscape in two parts – a backdrop and foreground – we can make the foreground destructible so that when a missile explodes it damages part of the landscape. To code the basics of an artillery game, we’ll need two tanks with turrets, a landscape, and some code to work out who shot what, in which direction, and where said shot landed. The earliest versions for microcomputers appeared in the mid-seventies, and the genre continued to develop increasingly complex scenarios appeared involving historical settings or, as we saw from the mid-90s on, even offbeat ideas like battles between factions of worms. Artillery simulations and games have been around for almost as long as computers, and most commonly see two players take turns to adjust the trajectory of their tank’s turret and fire a projectile at their opponent. To pick just one artillery game is difficult since it’s a genre in its own right. Artillery Duel was an early example of the genre, and appeared on such systems as the Bally Astrocade and Commodore 64 (pictured).
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