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<[email protected]> |
The models are instanced, so I don't see how I could use this. Thanks
though.
On 9/29/2010 5:30 PM, Simon Kozlov wrote:
> One alternative for fixed-function pipeline is to put height-dependent
> value in alpha channel and use alpha test to clip parts below the
> ground.
>
> Simon
>
> On Wed, Sep 29, 2010 at 2:09 PM, Jeff Russell<[email protected]> wrote:
>> You may still be able to clip without a shader - opengl has user clip planes
>> available in some versions, check your docs.
>>
>> The alternative is you could not completely flatten your geometry, just
>> "mostly" flatten it so that it appears flat enough. Then you can still have
>> your matrix set up to keep the unwanted geometry below the ground plane, and
>> the depth test against the ground geometry will take care of it.
>>
>> On Wed, Sep 29, 2010 at 3:57 PM, [email protected]
>> <[email protected]> wrote:
>>> Thanks but it's OpenGL 1.0 for BlackBerry and 1.1 for Android. So far
>>> my solutions is, well, don't push the rocks so far into the ground :)
>>>
>>> Leigh
>>>
>>> On 9/29/2010 11:53 AM, Jeff Russell wrote:
>>>> Yes there is - clip your shadow geometry against the ground plane
>>>> before it gets flattened. You can do this with the discard keyword in
>>>> your shadow pixel shader.
>>>>
>>>> Jeff
>>>>
>>>> On Tue, Sep 28, 2010 at 9:25 PM, [email protected]
>>>> <mailto:[email protected]> <[email protected]
>>>> <mailto:[email protected]>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> I have hooked up planar shadows for my Android Tank game using a
>>>> matrix
>>>> to project all geometry onto the ground. The game has the luxury of
>>>> having a 2D battle field. The problem is that I am using instanced
>>>> rocks that are randomly rotated and pushed into ground. So now I
>>>> get a
>>>> reverse shadow projected from underneath. Is there any way to get
>>>> rid
>>>> of this?
>>>>
>>>> Leigh
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
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>>>>
>>>>
>>>>
>>>> --
>>>> Jeff Russell
>>>> Engineer, 8monkey Labs
>>>> www.8monkeylabs.com<http://www.8monkeylabs.com>
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Start uncovering the many advantages of virtual appliances
>>>> and start using them to simplify application deployment and
>>>> accelerate your shift to cloud computing.
>>>> http://p.sf.net/sfu/novell-sfdev2dev
>>>>
>>>>
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>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Start uncovering the many advantages of virtual appliances
>>> and start using them to simplify application deployment and
>>> accelerate your shift to cloud computing.
>>> http://p.sf.net/sfu/novell-sfdev2dev
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>>
>>
>> --
>> Jeff Russell
>> Engineer, 8monkey Labs
>> www.8monkeylabs.com
>>
>> ------------------------------------------------------------------------------
>> Start uncovering the many advantages of virtual appliances
>> and start using them to simplify application deployment and
>> accelerate your shift to cloud computing.
>> http://p.sf.net/sfu/novell-sfdev2dev
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>>
> ------------------------------------------------------------------------------
> Start uncovering the many advantages of virtual appliances
> and start using them to simplify application deployment and
> accelerate your shift to cloud computing.
> http://p.sf.net/sfu/novell-sfdev2dev
> _______________________________________________
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>
------------------------------------------------------------------------------
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