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This tutorial is the first tutorial in a series of five Pygame tutorials: Breakout Tutorial 1: Getting Started Breakout Tutorial 2: Adding the Paddle Breakout Tutorial 3: Controlling the Paddle Breakout Tutorial 4: Adding a Bouncing Ball Breakout Tutorial 5:…
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RGB Colour Code? Every colour on the screen can be represented using an RGB code (Red, Green, Blue) code. This code consists of three numbers between 0 and 255, indicating how much red, green and blue are used to recreate…
CMYK and RGB are two different colour models. The CMYK model is used in the publishing/printing industry as it is based on the four basic colours used for printing colour images on white paper. The four colours of the CMYK…
Four corners is a children’s game, often played in primary/elementary schools. The game can be played in a classroom. One player stand in the middle of the room with a blindfold. All the other participants choose one of the four…
In the English fairy tale, Jack and the beanstalk, Jack is a young, poor boy living with his mother and a dairy cow on a farm cottage. The cow’s milk is their only source of income. When the cow stops…
Visual cryptography is a technique that consists of hiding information (text/symbols/graphics) within two semi-transparent pictures (called layers). Overlaying both pictures exactly on top of one another, will reveal the hidden information. Using this technique, it is impossible to retrieve any…
Count-controlled loops are used in many programs to increment a counter for each iteration of the loop. Per default the increment for the counter is +1. FOR counter FROM 1 TO 10: OUTPUT (COUNTER) However you can specify a different…
The Atbash Cipher is a monoalphabetic substitution cipher that was originally used for the Hebrew alphabet. It is one of the earliest known subtitution ciphers to have been used. As opposed to a Caesar Cipher, the Atbash cipher does not…
In this blog post we will investigate two types of coordinates used to identify the location of a point on a 2D plan: Cartesian Coordinates (x,y) Polar Coordinates (r,θ) Both sets of coordinates have their own applications and are often…
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