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Saurabh Torne

fractral programming with dirextX

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Is anyone having any links to fractral programming with dirextX? I want to learn to make perpetual textures or whatever they are called Thankyou in advance.

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You mean procedural textures.

You basically just do this(not using pixelshaders):

1. Create a texture to be used as a rendertarget.

2. Acquire the surface pointer to a level on that texture
by locking it.

3. Render the graphics by using a formula of your desire.
Any formula will do. To create motion just add a modifier that changes over time.

4. Unlock it.

5. Render your polygons using the new texture.

6. step through 2 again if you want to change the texture.

Don''t draw textures that are too big in dimensions (you are after all CPU bound in this example)
To save time you can create a texture animation instead.
You can also use pixelshaders etc...
but the basic principle is there and you should be able to do nice things with it. Remember to set the renderstates so the textures smoothes out or it will be heavily pixelated.

Good luck.


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