Using BitBlt for copying and masking
The BitBlt function is used for copying areas of pictures and combining them with other pictures. It can do several different tasks including transparency. You will learn to use BitBlt to do copying and transparency masking in this tutorial.
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Drawing a polygon
This tutorial teaches you how to draw a polygon using the windows API.
This short tutorial teaches you how draw polygons using the windows API. The windows API are the functions that windows uses to run so you should be careful using them as they can crash windows.
First we have to declare the API at the top of our code.
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The Basic of 3D graphics in Visual Basic
This is a tutorial to teach complete beginners in 3D programmign how to program a 3D world. This tutorial teaches you how to make a simple camera, move the camera and display the view using perspective. The tutorial uses dots as items in the 3D world. The tutorial is visual basic orientated but the concepts apply to all languages
This section is all about 3D computer graphics for visual basic. This is for a very basic level but will give a person new to the world of 3D a good start. At the end of this tutorial is a zip file that contains an example of the tutorial so that you can get an idea of how to apply what you've learned.
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Using matrices to rotate a 3D world
This tutorial teaches you how to use matrices to create an efficient way to rotate and move a camera in a 3D world. Matrices are the most common way to work a 3D world in 3D graphics. The tutorial uses dots as items in the 3D world. The tutorial is visual basic orientated but the concepts apply to all languages
Matrices provide an alternate (better) way to rotate and move your 3D world. They are far more complicated than the last tutorial and use more difficult maths. You do not really need to completely grasp the maths to be able to use them but it is useful to have a basic understanding.
Previous:3D rotation
next:3D shading
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3D with flat shading - creating realistic filled objects in 3D
This tutorial in the 3D series takes you past simple dots and into the realm of filled shapes. This brings several challenges with it as you learn to find the correct shade for the face and how to order the face. The tutorial is visual basic orientated but the concepts apply to all languages
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Saving text files
This tutorial shows you how the built in visual basic funtions can be used to save files. The ways to shown to save a file are the write and print functions.
Visual Basic has built in file handling functions. These are not the fastest functions but it is not noticeable unless you are handling very large files. There are two common ways which we will cover in this tutorial. I consider these two functions to be the simplest.
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Using BitBlt for copying and masking
The BitBlt function is used for copying areas of pictures and combining them with other pictures. It can do several different tasks including transparency. You will learn to use BitBlt to do copying and transparency masking in this tutorial.
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