I think I figured it out while at work.
I forgot that it should be the barycentric * length of the edge.I'll try to
fix it when I get home.
I guess I was changing the direction of the edge vector.
Josh
On Mon, Oct 12, 2009 at 6:31 AM, Josh <axl...@gm...> wrote:
> Charles can you take a look at this?
> The interpolation results look wrong on screen. Walking around is very
> jerky.
>
>
>
>
> axl...@us... wrote:
>
>> Revision: 562
>> http://hgengine.svn.sourceforge.net/hgengine/?rev=562&view=rev
>> Author: axlecrusher
>> Date: 2009-10-11 15:40:51 +0000 (Sun, 11 Oct 2009)
>>
>> Log Message:
>> -----------
>> update
>>
>> Modified Paths:
>> --------------
>> Mercury2/src/DataTypes/MTriangle.cpp
>> Mercury2/src/DataTypes/MTriangle.h
>>
>> Modified: Mercury2/src/DataTypes/MTriangle.cpp
>> ===================================================================
>> --- Mercury2/src/DataTypes/MTriangle.cpp 2009-10-11 03:34:07 UTC
>> (rev 561)
>> +++ Mercury2/src/DataTypes/MTriangle.cpp 2009-10-11 15:40:51 UTC
>> (rev 562)
>> @@ -35,6 +35,23 @@
>> return MercuryVertex(ru, rv, 1-(ru+rv));
>> }
>> +MercuryVertex MTriangle::InterpolatePosition(const MercuryVertex&
>> barycentric)
>> +{
>> + MercuryVertex result( m_verts[0] );
>> +
>> + barycentric.Print();
>> +
>> + result += (m_verts[1] - m_verts[0])*barycentric;
>> + result += (m_verts[2] - m_verts[0])*barycentric;
>> +
>> +// result.Print();
>> +
>> + result[3] = 0;
>> +
>> + result.Print();
>> + return result;
>> +}
>> +
>> bool MTriangle::IsInTriangle(const MercuryVertex& p)
>> {
>> MercuryVertex v = Barycentric(p);
>>
>> Modified: Mercury2/src/DataTypes/MTriangle.h
>> ===================================================================
>> --- Mercury2/src/DataTypes/MTriangle.h 2009-10-11 03:34:07 UTC (rev 561)
>> +++ Mercury2/src/DataTypes/MTriangle.h 2009-10-11 15:40:51 UTC (rev 562)
>> @@ -13,9 +13,10 @@
>> bool IsInTriangle( const MercuryVertex& p );
>>
>> float Area();
>> -
>> + MercuryVertex InterpolatePosition(const MercuryVertex&
>> barycentric);
>> +
>> bool operator == (const MTriangle& rhs);
>> - private:
>> +// private:
>>
>> MercuryVertex m_verts[3];
>> };
>>
>>
>> This was sent by the SourceForge.net collaborative development platform,
>> the world's largest Open Source development site.
>>
>>
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>
>
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