Ejemplos de CMatrix::Apply en C++ (Cpp)

Ejemplo n.º 1

Archivo: CreatePrimitive.cpp Proyecto: Joincheng/lithtech

//------------------------------------------------------------------------------
//
//  CRegionView::DoCreatePrimitivePyramid
//
//	Creates a brush in the shape of a pyramid.
//
//------------------------------------------------------------------------------
void CRegionView::DoCreatePrimitivePyramid( CVector &vCenter, int nNumSides, CReal fHeight, CReal fRadius )
{
	CWorldNode *pParent;
	CEditBrush *pNewBrush;
	CMoArray<CEditPoly *> pNewPoly;
	CPolyRef polyRef;
	CVertRefArray newVerts;
	DWORD i;
	CMoArray<CEditVert> vEditVerts;
	CMatrix matRot;
	CVector vRotationVector;


	vRotationVector.Init( 0.0f, 1.0f, 0.0f );

	ASSERT( nNumSides >= 3 );
	//ASSERT( nNumSides <= 24 );
	if( nNumSides < 3 )//|| 24 < nNumSides )
		return;

	pNewPoly.SetSize(nNumSides + 1);
	vEditVerts.SetSize(nNumSides + 2);

	// Setup a new brush and a new starting poly...
	pNewBrush = no_CreateNewBrush(GetRegion(), GetRegion()->GetActiveParentNode());
	ASSERT( pNewBrush );
	if( !pNewBrush )
		return;

	// Setup an undo.
	GetRegionDoc()->Modify(new CPreAction(ACTION_ADDEDNODE, pNewBrush), TRUE);

	for( i = 0; i <= nNumSides; i++ )
	{
		pNewPoly[i] = new CEditPoly( pNewBrush );
		ASSERT( pNewPoly[i] );
		if( !pNewPoly[i] )
		{
			delete pNewBrush;
			return;
		}
	}

	// Make base points...
	vEditVerts[0].Init( vCenter.x, vCenter.y - fHeight/2, vCenter.z + fRadius );
	pNewBrush->m_Points.Append( vEditVerts[0] );
	gr_SetupRotationAroundVector(&matRot, vRotationVector, -MATH_CIRCLE / nNumSides);
	for( i = 1; i < nNumSides; i++ )
	{
		vEditVerts[i] = vEditVerts[i-1];
		vEditVerts[i] -= vCenter;
		matRot.Apply( vEditVerts[i] );
		vEditVerts[i] += vCenter;
		pNewBrush->m_Points.Append( vEditVerts[i] );
	}

	// Make top point...
	vEditVerts[nNumSides].Init( vCenter.x, vCenter.y + fHeight/2, vCenter.z );
	pNewBrush->m_Points.Append( vEditVerts[nNumSides] );

	// Make base poly
	for( i = 0; i < nNumSides; i++ )
	{
		pNewPoly[0]->m_Indices.Append( i );
	}

	// Set normal...
	pNewPoly[0]->Normal().Init( 0.0f, -1.0f, 0.0f );
	pNewPoly[0]->Dist() = pNewPoly[0]->Normal().Dot( pNewPoly[0]->Pt(0) );
	pNewBrush->m_Polies.Append( pNewPoly[0] );

	// Make side poly's
	for( i = 0; i < nNumSides; i++ )
	{
		pNewPoly[i+1]->m_Indices.Append(i );
		pNewPoly[i+1]->m_Indices.Append(nNumSides );
		pNewPoly[i+1]->m_Indices.Append(( i + 1 ) % nNumSides );
		pNewBrush->m_Polies.Append( pNewPoly[i+1] );
	}

	GetRegion()->UpdateBrushGeometry(pNewBrush);
	GetRegion()->CleanupGeometry();

	// Setup the node stuff.
//	SetupBrushProperties(pNewBrush, GetRegion());

	// Make the new brush the selection.
	if( GetMainFrame()->GetNodeSelectionMode() != MULTI_SELECTION )
		GetRegion()->ClearSelections();
	
	GetRegion()->SelectNode( pNewBrush->AsNode() );
	GetRegionDoc()->NotifySelectionChange();

	GetRegionDoc()->RedrawAllViews();

}

Ejemplo n.º 2

Archivo: CreatePrimitive.cpp Proyecto: Joincheng/lithtech

//------------------------------------------------------------------------------
//
//  CRegionView::DoCreatePrimitiveCylinder
//
//	Creates a brush in the shape of a cylinder.
//
//------------------------------------------------------------------------------
void CRegionView::DoCreatePrimitiveCylinder( CVector &vCenter, int nNumSides, CReal fHeight, CReal fRadius )
{
	CWorldNode *pParent;
	CEditBrush *pNewBrush;
	CEditPoly *pNewPoly;
	CReal fHalfHeight;
	CPolyRef polyRef;
	CVertRefArray newVerts;
	DWORD i;
	CEditVert vEditVerts[32];
	CMatrix matRot;
	CVector vRotationVector;

	
	vRotationVector.Init( 0.0f, 1.0f, 0.0f );

	ASSERT( nNumSides >= 3 );
	ASSERT( nNumSides <= 32 );
	if( nNumSides < 3 || 32 < nNumSides )
		return;

	fHalfHeight = fHeight / 2.0f;

	// Setup a new brush and a new starting poly...
	pNewBrush = no_CreateNewBrush(GetRegion(), GetRegion()->GetActiveParentNode());
	ASSERT( pNewBrush );
	if( !pNewBrush )
		return;

	// Setup an undo.
	GetRegionDoc()->Modify(new CPreAction(ACTION_ADDEDNODE, pNewBrush), TRUE);

	pNewPoly = new CEditPoly( pNewBrush );
	ASSERT( pNewPoly );
	if( !pNewPoly )
	{
		delete pNewBrush;
		return;
	}

	pNewBrush->m_Polies.Append( pNewPoly );

	vEditVerts[0].Init( vCenter.x, vCenter.y + fHalfHeight, vCenter.z + fRadius );
	gr_SetupRotationAroundVector(&matRot, vRotationVector, MATH_CIRCLE / nNumSides);
	for( i = 1; i < nNumSides; i++ )
	{
		vEditVerts[i] = vEditVerts[i-1];
		vEditVerts[i] -= vCenter;
		matRot.Apply( vEditVerts[i] );
		vEditVerts[i] += vCenter;
	}


	// Make top of brush
	for( i = 0; i < nNumSides; i++ )
	{
		pNewPoly->m_Indices.Append( i );
		pNewBrush->m_Points.Append( vEditVerts[i] );
	}

	// Set normal...
	pNewPoly->Normal().Init( 0.0f, 1.0f, 0.0f );
	pNewPoly->Dist() = pNewPoly->Normal().Dot( pNewPoly->Pt(0) );

	// Extrude...
	polyRef.Init( pNewBrush, 0 );
	if( ExtrudePoly( polyRef, newVerts, FALSE, TRUE /*flip all*/) )
	{
		CEditVert *pVert;
		pVert = &newVerts[0]( );
		for( i = 0; i < nNumSides; i++ )
		{
			newVerts[i]() -= polyRef()->Normal() * fHeight;
		}

		for( DWORD j=0; j < pNewBrush->m_Polies; j++ )
		{
			pNewBrush->m_Polies[j]->UpdatePlane();
			for(uint32 nCurrTex = 0; nCurrTex < CEditPoly::NUM_TEXTURES; nCurrTex++)
				pNewBrush->m_Polies[j]->SetupBaseTextureSpace(nCurrTex);
		}
	}

	GetRegion()->UpdateBrushGeometry(pNewBrush);
	GetRegion()->CleanupGeometry();

	// Setup the node stuff.
//	SetupBrushProperties(pNewBrush, GetRegion());

	// Make the new brush the selection.
	if( GetMainFrame()->GetNodeSelectionMode() != MULTI_SELECTION )
		GetRegion()->ClearSelections();
	
	GetRegion()->SelectNode( pNewBrush->AsNode() );
	GetRegionDoc()->NotifySelectionChange();

	GetRegionDoc()->RedrawAllViews();

}