Re: Planar shadows

  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>
>
>
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