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Can't get transparency parameter work in Processing 2

[5 Replies]
- 19-Aug-2013 11:33 PM
- Forum: Programming Questions
Hello the precious community of processing
I recently immigrated to processing 2 however it seems the transparency parameter doesn't work in P3D mode at all. first I though they changed the way transparency is given to graphics in Version 2 but then I realized I didn't get any errors at all. Can anyone enlighten me what seems to be the problem here?

I've been searching on internet to solve my problem but couldn't find anything even related to my problem/ So, I'm giving a try to this forum.

here is the section where I put fill with alpha parameter.
2. fill(0,opacity);
3. strokeWeight(0,);
5. pushMatrix();
6. translate(x, y, z );
7. sphere(2);
8. popMatrix();

What Does (float) do ?

[2 Replies]
- 25-Mar-2013 06:41 PM
- Forum: Programming Questions
Hey, guys I have a burning question to ask, which I couldn't find the answer on internet.
I have been reading Learning Processing by Daniel Shiffman for a week now. I liked the book, much better than Getting Started with Processing I think.

However, after I got to the image chapter I came across with a line of code that the book hadn't mentioned yet.
1. float adjustBrightness = ((float) mouseX / width) * 8.0;
Could someone enlighten me about what that float in parenthesis exactly does? I searched the web page but couldn't find a clue.

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