Re: Best way to create a ground

> Cool!
>
> Actually I think there might be a more recent patch... (attached)
>
> Yeah, I recently re-did the patch to work more seamlessly with  
> existing PV3D infrastructure.
>
> You need to compile the lib (or src) with "-define=flash10,true".
>
> For your project, you'll need to build 2 versions, one for Flash9  
> and one for Flash10. We use "-define= flashTargetVersion,10" to  
> target the proper version and set precise as appropriate for each  
> version.
>
>      if (CONFIG::flashTargetVersion == 9)
>      {
>        // On Flash 9 we need to enable emulation of perspective-
> correct texture mapping
>        this.precise = true;           // reduces speed by ~40%;  
> improves texturemapping for triangles at an angle to camera (edges  
> of the pano). overall this is worth speed hit b/c often we have a  
> wide viewer which exaggates the effect fixed by "precise"
>        this.precision = 8;            // threshold for whether to  
> draw extra triangles
>      }
>      else if (CONFIG::flashTargetVersion == 10)
>      {
>        // On Flash 10, we need to only turn on pricision and use our  
> custom Flash 10 graphics.drawTriangles() method for achieving  
> perfect perspective correction at high speed.
>        this.precise = true;
>        this.precisionMode = PrecisionMode.FLASH_10;
>      }
>
>
> <pv3d-flash10.patch>
>
>
> Enjoy!
>
> Alan
>
>
> On Jul 1, 2009, at 10:06 AM, Damien Pegoraro wrote:
>
>> I just tried your BitmapF10Material patch. It works great (just  
>> have to think to set precise to false) . the rendering is fast and  
>> very clean.
>>
>> That's a really great work ! Thank you !
>>
>> Damien (waiting for PapervisionX)
>>
>>
>> Alan Pinstein a écrit :
>>> You can drop your segments very low if you use precise.  
>>> Precise=true dynamically adds triangles as needed.
>>>
>>> I also have written a patch for Papervision's BitmapMaterial that  
>>> uses Flash 10's drawTriangles() method which provides precise  
>>> texturemapping at very high speed. You can see a recent thread on  
>>> this list with many more details on that topic.
>>>
>>> Alan
>>>
>>> On Jul 1, 2009, at 5:03 AM, Damien Pegoraro wrote:
>>>
>>>> Thanks for the reply, i had not thought about playing with  
>>>> precise value !
>>>>
>>>> With precise on,   the render is absolutely perfect but the  
>>>> number of triangles is always very high by default.
>>>>
>>>> I didn't knew the pixelPrecision property. Maybe setting this  
>>>> value properly with a precise texture is the best solution i can  
>>>> find. The first result are quite good !
>>>>
>>>> One strange thing ( maybe an issue )  :
>>>>
>>>> -------
>>>> trace ( material.pixelPrecision ) outputs 8 => triangles on  
>>>> scene : 1200 ;
>>>> -----------
>>>> material.pixelPrecision = 8 ;
>>>> trace ( material.pixelPrecision ) outputs 8 => triangles on  
>>>> scene : 700;
>>>> --------
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Peter Velichkov a écrit :
>>>>> Try material.precise = true;
>>>>>
>>>>> Cheers,
>>>>> Peter
>>>>>
>>>>>
>>>>> ----
>>>>> web: http://www.creonfx.com
>>>>> blog: http://blog.creonfx.com
>>>>> skype: peterv-at-work
>>>>> twitter: http://twitter.com/pvelichkov
>>>>>
>>>>> babeuf wrote:
>>>>>> Hello everybody, i'm Damien , flash coder from France.
>>>>>> My question is the following : what is the best way and what  
>>>>>> are the tips to
>>>>>> create a ground with a large textured plane for a a pv3d game.
>>>>>> I m searching for long now but i can't find a really good  
>>>>>> compromise.
>>>>>> If i use a detailed plane (30x30 segments ) the rendering is  
>>>>>> correct  but
>>>>>> the number of triangles is pretty high and FPS drops down.  If  
>>>>>> i use a less detailed plane ( 20x20 segments ), the number of  
>>>>>> triangles
>>>>>> really drops down and FPS is good, but the straights lines on  
>>>>>> my texture
>>>>>> don't look straight anymore.
>>>>>> What are the tips to optimize a large plane preserving most of  
>>>>>> the quality ?
>>>>>> Thx !
>>>>>
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>>>>>
>>>>>
>>>>
>>>>
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