void MG_vectorGL::draw( M3dView & view, const MDagPath & path,
M3dView::DisplayStyle dispStyle,
M3dView::DisplayStatus status )
{
MPlug drawItP (thisMObject(),drawIt);
bool drawItV;
drawItP.getValue(drawItV);
MPlug arrowSizeP (thisMObject(),arrowSize);
double arrowSizeV;
arrowSizeP.getValue(arrowSizeV);
MPlug upVecP (thisMObject(),upVec);
MVector upVecV;
upVecP.child(0).getValue(upVecV.x);
upVecP.child(1).getValue(upVecV.y);
upVecP.child(2).getValue(upVecV.z);
MPlug vecsP (thisMObject(),vecs);
MPlug startPointP (thisMObject(),startPoint);
int elemVecs = vecsP.numElements();
int elemPoints = startPointP.numElements();
if ( drawItV == 0 )
{
return ;
}
if (elemVecs != elemPoints )
{
return;
}
// Draw it
view.beginGL();
glPushAttrib( GL_ALL_ATTRIB_BITS );
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glLineWidth(2);
if(status == M3dView::kLead)
glColor4f(0.0,1.0,0.0,1.0f);
else
glColor4f(1.0,1.0,0.0,1.0f);
for ( unsigned int i = 0 ; i < elemVecs ; i++ )
{
vecsP.selectAncestorLogicalIndex( i , vecs);
startPointP.selectAncestorLogicalIndex( i , startPoint);
MVector currentVec ;
MPoint currentPoint;
vecsP.child(0).getValue(currentVec.x);
vecsP.child(1).getValue(currentVec.y);
vecsP.child(2).getValue(currentVec.z);
startPointP.child(0).getValue(currentPoint.x);
startPointP.child(1).getValue(currentPoint.y);
startPointP.child(2).getValue(currentPoint.z);
drawArrow(currentVec , upVecV , arrowSizeV , currentPoint);
}
glDisable(GL_BLEND);
glPopAttrib();
}
