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Author Archives: digitalerr0r
XNA Shader Programming – Tutorial 26, Bump Mapping Perlin Noise
This tutorial will continue from Tutorial 25, where we implemented a noise function. Now that you have the Perlin Noise-function in your shader, it is very simple to implement Bump Mapping. The object being rendered contains normals on each point … Continue reading
Posted in Graphics, Tutorial, XNA Shader Tutorial
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XNA Shader Programming – Tutorial 25, Perlin Noise using the GPU
This tutorial will intruduce you to procedural textures. If you ever want to generate textures procedurally, you probably stumble upon the Perlin Noise algorithm created by Ken Perlin in 1983. Why noise? If you are trying to model natural textures … Continue reading
Posted in Graphics, Tutorial, XNA Shader Tutorial
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Commodore 64 Programming #10: Multiple interrupts
Update: All needed files for this tutorial can be found in the GitHub repo linked in the bottom of this page. We are not going to introduce many new things in this tutorial, just use what you know to create … Continue reading
Posted in Commodore 64
30 Comments
Commodore 64 Programming #9: Interrupts and music
Update: All needed files for this tutorial can be found in the GitHub repo linked in the bottom of this page. In this tutorial we will take a look at one of the most important topic when it comes to … Continue reading
Posted in Commodore 64
19 Comments
Commodore 64 Programming #8: Text and custom charsets
Update: All needed files for this tutorial can be found in the GitHub repo linked in the bottom of this page. In the previous tutorial, we learned how to create and render a bitmap, and how to enter bitmap-mode. In … Continue reading
Posted in Commodore 64
11 Comments
Commodore 64 Programming #7: Creating and rendering bitmaps
Update: All needed files for this tutorial can be found in the GitHub repo linked in the bottom of this page. In this tutorial we are going to cover two things. First we will look at one way of creating … Continue reading
Posted in Commodore 64
21 Comments
Commodore 64 Programming #6: Raster lines
Update: All needed files for this tutorial can be found in the GitHub repo linked in the bottom of this page. A raster line is the line that is being redrawn on the screen. You can create a lot of … Continue reading
Posted in Commodore 64
13 Comments
Commodore 64 Programming #5: Clearing the screen
Update: All needed files for this tutorial can be found in the GitHub repo linked in the bottom of this page. In the previous tutorials we created stuff that rendered a sprite and changed the color on things. In this … Continue reading
Posted in Commodore 64
9 Comments
Demo-source from The Gathering 2011
This is the demo-source created from the presentation I had at The Gathering 2011. Download by clicking the zip-file below: http://cid-2b7007e9ec2ae37b.office.live.com/embedicon.aspx/.Public/WindowsGame1.rar Screenshot from the app The game MageDefender is also on the way, but delayed due to some uploading issues.
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Commodore 64 Programming #4: Rendering a sprite
Update: All needed files for this tutorial can be found in the GitHub repo linked in the bottom of this page. In this tutorial we will take a quick look at how to render a sprite on the very nice … Continue reading
Posted in Commodore 64
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