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/home/rdbrown/doxygen/cse125g1/src/modules/actor/Skinvert.cpp

#include "Skinvert.h"
#include "math/matrix34.h"

void SkinVert::SetPosition(Vector3 &_pos)
{
        pos = _pos;
}

void SkinVert::SetNormal(Vector3 &_normal)
{
        normal = _normal;
}

void SkinVert::Update(BallJoint *joints)
{
        int i;
        drawPos->Zero();
        drawNormal->Zero();
        SkinVertWeight *currWeight = weights;
        BallJoint *currJoint;
        for(i = 0; i < numWeights; i++)
        {
                currJoint = joints + currWeight->joint;
                //update pos
                Vector3 toAdd = pos;
                currJoint->binding.Transform(toAdd, toAdd);
                currJoint->world.Transform(toAdd, toAdd);
                toAdd.Scale(currWeight->weight);
                drawPos->Add(toAdd);

                //update normal
                toAdd = normal;
                currJoint->binding.Transform3x3(toAdd, toAdd);
                currJoint->world.Transform3x3(toAdd, toAdd);
                toAdd.Scale(currWeight->weight);
                drawNormal->Add(toAdd);

                currWeight++;
        }
        drawNormal->Normalize();
}

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