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Found #16 items in Beginner category by Kevin Picone
Hi welcome to our Intro to PlayBasic Functions tutorial. In this tutorial we start out with some revision of Gosub / Return statements, which are used to create a simple sub routine. Sub routines are changes in program flow, allowing the programmer to execute a chunk of code that's external to the section they may be writing, then upon completion the control returns to the caller. This is the same basic model that functions introduction to our programming, except functions are more formalized. Meaning they have some strict rules about syntax and intro a new concepts such as scope changes, which sub routines don't have.
The types of functions shown in video are very simple, initially we start by taking a sub routine that prints rows of text and convert that to function. Through this process we encounter our first problem which is variable scope and look at ways to solve it, such as making our variable global, or better yet passing a variable into the function as a parameter . Later in the video, we create our own custom distance function, as well building a function that does some simple string manipulation
NOTE: This video was recorded alive with only a few changes for length..
This tutorial picks up where the previous variables to arrays tutorial left off, in that it takes the array code, demos that code then we set about converting the parallel array approach shown in the previous tutorial and we build a structure (TYPE) to hold each characters properties. Once the type has been defined that includes all the required properties, we then define a typed array that will house the collection of characters. Later in the video take a look at using typed lists also. So if your struggling with types this could be a good place to start.
This video takes the new PlayBasic programmer through a couple of examples that demo how to save a new project and create a new project folder using the PlayBasic IDE (Source Code editor) -
1) In example one we write th classic Hello World example and then show how to save it as a project to the desktop
2) In the second example we take this further by adding some sprite media to the project manually then demo how you might load the sprites and display them.
Welcome PlayBasic programmers, in this tutorial we're going to introduce the concept of arrays starting out from variables. So first we build a simple game loop that controls two characters using only variables. The characters are represented on screen as filled circles.
After we get up to speed with the variable version we then move onto how we can use parallel integer arrays to store the various properties of the characters. The array version can control as many or as few characters as you like, which is the benefit of Arrays over Variables
Welcome, in this tutorial we take a look at some none conditional control change statements, or otherwise known as Goto and Gosub statements in PlayBasic.
Commands used in this tutorial. Goto / Gosub / Return / For / Next / If / EndIf / Mousex() / MouseY() / MouseButton() / Print / Circle / Sync and possibly a few others.
PlayBasic Tutorial: Into to IF / Then and IF / ENDIF statements
PlayBasic Tutorial: Into to IF / Then and IF / ENDIF statements ( 2017/03/21)
This #tutorial walks the new coder through the IF / THEN and IF / ENDIF statement pairs which are used to selectively execute sections of the code, based upon the result of the comparison operators. IF statements actually allow changes in execution control, so they act upon the comparison, but it's just easier to think of them as part of the comparisons landscape when learning programming.
Setfps20DoClsrgb(20,30,40);
Mx =MouseX()
My =MouseY()Circle Mx,My,40,trueprint Mx
print My
box500,300,600,400,falseif(Mx >500)and(Mx <600)and My >300and My<400print"Mouse is within zone"endifSyncloop
This tutorial takes the new basic coder through the bare bones of the FOR / NEXT loop. The tutorial was recorded live and is uploaded virtually as is, warts and all. In this tutorial we use loops to draw simple graphical objects such as boxes moving through to making a grid of scrolling boxes.
Commands used in this tutorial. For / Next / Step / Exit / Continue / Print / Line / Box / Sync / Ink / RGB() / RND() / RndRGB() and possibly a few others.
PlayBasic TUTORIAL: Getting Started with the PlayBasic IDE
