By Laurence A. Tepolt
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Ranging from the basis that realizing the rules of concurrent programming is vital to constructing dispensed computing platforms, this booklet first provides the elemental theories of concurrent computing after which introduces the programming languages that aid advance dispensed computing platforms at a excessive point of abstraction.
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The main engine has gone offline, causing the spaceship to drift through the debris at a constant speed. However, the spaceship still has working thrusters on the top, bottom, left, and right of the craft. The main laser system is also operational. The heroic pilot has to shoot through or dodge the debris. A point is awarded each time a piece of debris is destroyed with the ship’s lasers. If the debris crashes into the spaceship, then its shield will be damaged. After the shield has been completely broken, the spaceship will explode.
The list on the Stage will be filled with the cities from your file. Repeat the process to make a list called countries and fill it with your countries file. Your list files should be the same length. Right-click the list boxes on the Stage and choose hide. 03 [ Multiple-Choice Quiz ] 47 ESSENTIALS >STEP-04 Set up your variables Through the Variables part of the Blocks Palette, make variables called question number (used to remember which question/answer pair we’re asking), score, shuffle choice and temporary storage (used for shuffling the list of options), and wrong answer (used when making the list of wrong options).
When the green flag is pressed, the Shield sprite is set to be just below the main cockpit but above the other sprites (Listing 3). This means that the shield display stays in the foreground. The script for the Shield sprite waits until the number of shield points decreases and then switches to the appropriate costume. Lasers The lasers were drawn as another sprite. The size of the Laser sprite was carefully matched to the SpaceShip sprite by copying the SpaceShip costume, to check where the lasers would appear on the screen.