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diff --git a/processing.html.markdown b/processing.html.markdown index f352b9c4..91d75cb4 100644 --- a/processing.html.markdown +++ b/processing.html.markdown @@ -54,9 +54,9 @@ void draw() { // Now that we know how to write the working script and how to run it, // we will proceed to explore what data types and collections are supported in Processing. -/* ----------------------- - Datatypes & collections - ------------------------ +/* ------------------------ + Datatypes & collections + ------------------------ */ // According to Processing References, Processing supports 8 primitive datatypes as follows. @@ -113,10 +113,11 @@ SomeRandomClass myObjectInstantiated = new SomeRandomClass(); // Processing comes up with more collections (eg. - Dictionaries and Lists) by default, // for the simplicity sake, I will leave them out of discussion here. -/* ----------- - Maths - ------------ +/* ------------ + Maths + ------------ */ + // Arithmetic 1 + 1 // 2 2 - 1 // 0 @@ -148,6 +149,66 @@ float one = sin(PI/2); // one = 1.0 // As you may have noticed, there exists a set of constants for trigonometric uses; // PI, HALF_PI, QUARTER_PI and so on... +/* ------------- + Control Flow + ------------- +*/ + +// Conditional Statements +// If Statements - The same syntax as if statements in Java. +if (author.getAppearance().equals("hot")) { + print("Narcissism at its best!"); +} else { + // You can check for other conditions here. + print("Something is really wrong here!"); +} +// A shortcut for if-else statements can also be used. +int i = 3; +String value = (i > 5) ? "Big" : "Small"; // "Small" + +// Switch-case structure can be used to check multiple conditions more concisely. +int value = 2; +switch(value) { + case 0: + print("Nought!"); // This doesn't get executed. + break; // Jumps to the next statement + case 1: + print("Getting there..."); // This again doesn't get executed. + break; + case 2: + print("Bravo!"); // This line gets executed. + break; + default: + print("Not found!"); // This line gets executed if our value was some other value. + break; +} + +// Iterative statements +// For Statements - Again, the same syntax as in Java +for(int i = 0; i < 5; i ++){ + print(i); // prints from 0 to 4 +} + +// While Statements - Again, nothing new if you are familiar with Java syntax. +int j = 3; +while(j > 0) { + print(j); + j--; // This is important to prevent from the code running indefinitely. +} + +// loop()| noLoop() | redraw() | exit() +// These are more of Processing-specific functions to configure program flow. +loop(); // allows the draw() method to run forever while +noLoop(); // only allows it to run once. +redraw(); // runs the draw() method once more. +exit(); // This stops the program. It is useful for programs with draw() running continuously. +``` +Since you will have understood the basics of the language, we will now look into the best part of Processing; DRAWING. + +```processing + + + ``` Processing is easy to learn and is particularly useful to create multimedia contents (even in 3D) without having to type a lot of codes. It is so simple that you can read through the code and get a rough idea of |