This program creates 2D light effects onto a pygame surface/image (32 bit PNG file encoded with alpha channels transparency) and generate shadow.
The files radial4.png, RadialTrapezoid, RadialWarning are controlling the shape and light intensity of the illuminated area (radial masks).
This algorithm can be easily implemented into a 2D game (top down or horizontal / vertical scrolling) to enhanced the lighting ambiance.
| Source | Link |
|---|---|
| Youtube Video (per pixel) | https://youtu.be/uawpBMfwAp4 |
| Youtube Video | https://youtu.be/2xKcPkDK5po |
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Added volumetric effect (animated smoke or plasma) in the illuminated area to set a specific ambiance. This effect can also be used for generating force field around a set point.
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Added warning light (rotational lighting)
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Implemented shadow projection effects from a light source coordinates
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Code cleanup and split the code into different modules Constant.py LoadTextureFile.py Shadow.py LightDemo.py
DEMO available in the directory dist.
Note: The assets directory must be in the same location than the executable file
Have a nice journey
This code comes with a MIT license.
Copyright (c) 2018 Yoann Berenguer
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
Please acknowledge and give reference if using the source code for your project.