Re: depth testing: none of them seems to be correct?

• Subject: Re: depth testing: none of them seems to be correct?
• From: Karan Lyons <email@hidden>
• Date: Fri, 13 Jul 2007 21:19:20 -0400
• Delivered-to: email@hidden
• Delivered-to: email@hidden

/* RUNTIME */
if (depthArray[0]==sortArray[0]) { rgb0[0]=1 }
if (depthArray[0]==sortArray[1]) { rgb0[1]=1 }
if (depthArray[0]==sortArray[2]) { rgb0[2]=1 }

if (depthArray[1]==sortArray[0]) { rgb1[0]=1 }
if (depthArray[1]==sortArray[1]) { rgb1[1]=1 }
if (depthArray[1]==sortArray[2]) { rgb1[2]=1 }

if (depthArray[2]==sortArray[0]) { rgb2[0]=1 }
if (depthArray[2]==sortArray[1]) { rgb2[1]=1 }
if (depthArray[2]==sortArray[2]) { rgb2[2]=1 }

outputs[0]=rgb0[0];
outputs[1]=rgb0[1];
outputs[2]=rgb0[2];
outputs[3]=rgb1[0];
outputs[4]=rgb1[1];
outputs[5]=rgb1[2];
outputs[6]=rgb2[0];
outputs[7]=rgb2[1];
outputs[8]=rgb2[2];

Hope this one helps!

Attachment: alpha fix.qtz
Description: application/quartzcomposer

On Jul 13, 2007, at 1:25 PM, Alex Drinkwater wrote:

Ho Karen,

it's still not right. If you move the blue sprite so it's behind the green one (do the , you get the glitch Roger is talking about.

I'd say it's definitely a bug (can't see how it could be a feature, anyway).

Very annoying....

alx

On 13 Jul 2007, at 18:01, Karan Lyons wrote:

Does this seem right?
<depth test possible fix.qtz>
Namaste,
Karan

On Jul 13, 2007, at 12:09 PM, Roger Bolton wrote:

On 13 Jul 2007, at 17:03, Alex Drinkwater wrote:

Could you try applying the alpha mask before piping the image into the Sprite node?
You might have to write a little CIKernel to do it, mind.

same same no difference. heres a new version of the comp which first multiplies an image by
the alpha then puts it on the sprite.

still has the same problem with incorrect alpha blending of the middle sprite.

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