//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void GetMeshMatrix( MItMeshPolygon &pIt, int nMeshFaceIndex, MMatrix &geoMatrix )
{
if ( nMeshFaceIndex < static_cast< int >( pIt.count() ) )
{
MPointArray facePoints;
int nOldIndex;
pIt.setIndex( nMeshFaceIndex, nOldIndex );
pIt.getPoints( facePoints, MSpace::kWorld );
// Calculate cheezy coordinate system, if any edges are 0 length then all hell breaks loose
MVector x = ( facePoints[ 2 ] - facePoints[ 0 ] ).normal();
MVector z = ( facePoints[ 1 ] - facePoints[ 0 ] ).normal();
MVector y = ( z ^ x ).normal();
z = x ^ y;
memcpy( const_cast< double * >( geoMatrix[ 0 ] ), &x[ 0 ], 3 * sizeof( double ) );
memcpy( const_cast< double * >( geoMatrix[ 1 ] ), &y[ 0 ], 3 * sizeof( double ) );
memcpy( const_cast< double * >( geoMatrix[ 2 ] ), &z[ 0 ], 3 * sizeof( double ) );
MPoint center = pIt.center( MSpace::kWorld );
memcpy( const_cast< double * >( geoMatrix[ 3] ), ¢er[ 0 ], 3 * sizeof( double ) );
pIt.setIndex( nOldIndex, nMeshFaceIndex );
}
else
{
merr << "Mesh face index " << nMeshFaceIndex << " out of range, only " << pIt.count() << " faces on mesh" << std::endl;
}
}
//-------------------------------------------------------------------------------------------------------------------------------------------
void visualizeMeshNode::drawShadedTriangles(MItMeshPolygon& polyIter, MItMeshVertex& vertIter, M3dView::DisplayStyle style, meshStatus meshStat)
//-------------------------------------------------------------------------------------------------------------------------------------------
{
//alles zeichnen
glPushAttrib(GL_ALL_ATTRIB_BITS);
glEnable(GL_POLYGON_OFFSET_FILL);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//glDepthMask(GL_FALSE);
glPolygonMode(GL_BACK, GL_FILL);
glShadeModel(GL_SMOOTH);
//Dass muss ausßerhalb der displayList bleiben, weil dieser Wert nicht precompiliert werden darf
float param1 = 0.45, param2 = 0.55;
// im DebugMode werden die Params anhand der NodeParameter gesetzt
if(style == M3dView::kWireFrame)
{
param1 = 0.45; param2 = 0.55;
}
else
{
switch(meshStat)
{
case kNone:
{
param1 = -0.5; param2 = -0.6;
break;
}
case kHilited:
{
param1 = 0.45; param2 = 0.55;
break;
}
}
}
#ifdef DEBUG
MPlug tmpPlug(thisMObject(), pOffset1Obj);
tmpPlug.getValue(param1);
tmpPlug.setAttribute(pOffset2Obj);
tmpPlug.getValue(param2);
#endif
glPolygonOffset( param1, param2 );
//jedes Poly zeichnen
uint numPolys = polyIter.count();
uint i, x , l;
MPoint point;
MColor tmpCol;
MPointArray triPoints;
MIntArray triVtx;
//glColor4f(0.0f, 0.0f, 1.0f, 0.2);
for(i = 0; i < numPolys; i++, polyIter.next())
{
polyIter.getTriangles(triPoints, triVtx);
l = triVtx.length();
glBegin(GL_TRIANGLES);
for(x = 0; x < l ; x+=3)
{
//view.setDrawColor( getCalColor(vtxColor, MColor(1.0,0.0,0.0), vtxWeightArray[ polyVtx[x] ] ) );
//view.setDrawColor( vtxColor * vtxWeightArray[ polyVtx[x] ]);
//glColor4f(0.0f, 0.0f, 1.0f, vtxWeightArray[ polyVtx[x] ]);
tmpCol = getCalColor(vtxColor, vtxColor2 , vtxWeightArray[ triVtx[x] ]);
glColor4f(tmpCol.r, tmpCol.g,tmpCol.b, vtxWeightArray[ triVtx[x] ]);
glVertex3d(triPoints[x].x, triPoints[x].y, triPoints[x].z);
tmpCol = getCalColor(vtxColor, vtxColor2 , vtxWeightArray[ triVtx[x+1] ]);
glColor4f(tmpCol.r, tmpCol.g,tmpCol.b, vtxWeightArray[ triVtx[x+1] ]);
glVertex3d(triPoints[x+1].x, triPoints[x+1].y, triPoints[x+1].z);
tmpCol = getCalColor(vtxColor, vtxColor2 , vtxWeightArray[ triVtx[x+2] ]);
glColor4f(tmpCol.r, tmpCol.g,tmpCol.b, vtxWeightArray[ triVtx[x+2] ]);
glVertex3d(triPoints[x+2].x, triPoints[x+2].y, triPoints[x+2].z);
}
glEnd();
}
// glDisable(GL_POLYGON_OFFSET_FILL);
glPopAttrib();
}
