//---------------------------------------------------------------------------
//
MLRPrimitive *
MLRIndexedPolyMesh::LightMapLighting(MLRLight *light)
{
int i, j, k, stride, len = lengths.GetLength();
LinearMatrix4D matrix = LinearMatrix4D::Identity;
Point3D lightPos, hitPoint;
UnitVector3D up, right;
Scalar f, u, v;
light->GetInShapePosition(lightPos);
for(i=0,j=0,k=0;i<len;i++)
{
stride = lengths[i];
if(testList[i] == 0)
{
j += stride;
continue;
}
f = facePlanes[i].DistanceTo(lightPos);
if(f>0.0f)
{
hitPoint.Multiply(facePlanes[i].normal, -f);
hitPoint+=lightPos;
matrix.AlignAxis(facePlanes[i].normal, Z_Axis, X_Axis, Y_Axis);
matrix.GetWorldRightInLocal(&right);
matrix.GetWorldUpInLocal(&up);
for(k=j;k<stride+j;k++)
{
Vector3D vec(coords[index[k]]);
vec-=hitPoint;
u = (right*vec)/f;
v = (up*vec)/f;
}
testList[i] = 0;
}
j += stride;
}
return NULL;
}
