My Blog: projects, sketches, works in progress, thoughts, and inspiration.

Tagged: modulo

Using the time functions Processing can be used to create clocks. I enjoy making clocks as a simple exercise in design, interactivity, and simple data visualization. It’s also a horrible pastime as I am always aware of exactly how much time I’ve wasted. This demonstration will walk through creating this applet, showing the implementation of the time functions, the pushMatrix() and popMatrix() functions, modulo function (%), and the basic construction of an array of custom objects.

Like many key programming languages Processing is an Object Oriented Programming Language, sometimes referred to as an OOP. The concept might be a little bit hard to grasp for some, however, it is an invaluable tool which cuts down on script lengths and allows for far more interesting an complex programs without a lot of repetitive code. An “Object” (also called a class) is simply a collection of variables and functions. New instances of objects can be created with different values for all the variables and functions of the object can be easily executed to modify the instance. Although objects often have a graphical component or representation within a program it is important to remember that they are only collections of data and functions which can be manipulated in any way for whatever need. Another advantage is that a program, like this example, can contain arrays of objects, allowing them to all be changed within a “for loop”. The result is an elegant code which is very easy to construct and easier to edit.

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