// @(#)root/g3d:$Name:  $:$Id: TBRIK.cxx,v 1.2 2002/11/11 11:21:16 brun Exp $
// Author: Nenad Buncic   17/09/95

/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

#include "TBRIK.h"
#include "TNode.h"
#include "TVirtualPad.h"

#include "TVirtualGL.h"

ClassImp(TBRIK)


//______________________________________________________________________________
//  

// BRIK is a box with faces perpendicular to the axes. It has 6 parameters: // // - name name of the shape // - title shape's title // - material (see TMaterial) // - dx half-length of the box along the x-axis // - dy half-length of the box along the y-axis // - dz half-length of the box along the z-axis //______________________________________________________________________________ TBRIK::TBRIK() { //*-*-*-*-*-*-*-*-*-*-*-*-*BRIK shape default constructor*-*-*-*-*-*-*-*-*-*-*-* //*-* ============================== } //______________________________________________________________________________ TBRIK::TBRIK(const char *name, const char *title, const char *material, Float_t dx, Float_t dy, Float_t dz) : TShape (name, title,material) { //*-*-*-*-*-*-*-*-*-*-*-*-*BRIK shape normal constructor*-*-*-*-*-*-*-*-*-*-*-*-* //*-* ============================= fDx = dx; fDy = dy; fDz = dz; } //______________________________________________________________________________ TBRIK::~TBRIK() { //*-*-*-*-*-*-*-*-*-*-*-*-*BRIK shape default destructor*-*-*-*-*-*-*-*-*-*-*-*-* //*-* ============================= } //______________________________________________________________________________ Int_t TBRIK::DistancetoPrimitive(Int_t px, Int_t py) { //*-*-*-*-*-*-*-*Compute distance from point px,py to a BRIK*-*-*-*-*-*-* //*-* =========================================== //*-* //*-* Compute the closest distance of approach from point px,py to each corner //*-* point of the BRIK. //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* const Int_t numPoints = 8; return ShapeDistancetoPrimitive(numPoints,px,py); } //______________________________________________________________________________ void TBRIK::Paint(Option_t *option) { //*-*-*-*-*-*-*-*Paint this 3-D shape with its current attributes*-*-*-*-*-*-*-* //*-* ================================================== const Int_t numpoints = 8; //*-* Allocate memory for points *-* Float_t *points = new Float_t[3*numpoints]; if (!points) return; SetPoints(points); Bool_t rangeView = option && *option && strcmp(option,"range")==0 ? kTRUE : kFALSE; if (!rangeView && gPad->GetView3D()) PaintGLPoints(points); //== for (Int_t i = 0; i < numpoints; i++) // gNode->Local2Master(&points[3*i],&points[3*i]); Int_t c = ((GetLineColor() % 8) - 1) * 4; // Basic colors: 0, 1, ... 7 if (c < 0) c = 0; //*-* Allocate memory for segments *-* X3DBuffer *buff = new X3DBuffer; if (buff) { buff->numPoints = 8; buff->numSegs = 12; buff->numPolys = 6; } //*-* Allocate memory for points *-* buff->points = points; buff->segs = new Int_t[buff->numSegs*3]; if (buff->segs) { buff->segs[ 0] = c; buff->segs[ 1] = 0; buff->segs[ 2] = 1; buff->segs[ 3] = c+1; buff->segs[ 4] = 1; buff->segs[ 5] = 2; buff->segs[ 6] = c+1; buff->segs[ 7] = 2; buff->segs[ 8] = 3; buff->segs[ 9] = c; buff->segs[10] = 3; buff->segs[11] = 0; buff->segs[12] = c+2; buff->segs[13] = 4; buff->segs[14] = 5; buff->segs[15] = c+2; buff->segs[16] = 5; buff->segs[17] = 6; buff->segs[18] = c+3; buff->segs[19] = 6; buff->segs[20] = 7; buff->segs[21] = c+3; buff->segs[22] = 7; buff->segs[23] = 4; buff->segs[24] = c; buff->segs[25] = 0; buff->segs[26] = 4; buff->segs[27] = c+2; buff->segs[28] = 1; buff->segs[29] = 5; buff->segs[30] = c+1; buff->segs[31] = 2; buff->segs[32] = 6; buff->segs[33] = c+3; buff->segs[34] = 3; buff->segs[35] = 7; } //*-* Allocate memory for polygons *-* buff->polys = new Int_t[buff->numPolys*6]; if (buff->polys) { buff->polys[ 0] = c; buff->polys[ 1] = 4; buff->polys[ 2] = 0; buff->polys[ 3] = 9; buff->polys[ 4] = 4; buff->polys[ 5] = 8; buff->polys[ 6] = c+1; buff->polys[ 7] = 4; buff->polys[ 8] = 1; buff->polys[ 9] = 10; buff->polys[10] = 5; buff->polys[11] = 9; buff->polys[12] = c; buff->polys[13] = 4; buff->polys[14] = 2; buff->polys[15] = 11; buff->polys[16] = 6; buff->polys[17] = 10; buff->polys[18] = c+1; buff->polys[19] = 4; buff->polys[20] = 3; buff->polys[21] = 8; buff->polys[22] = 7; buff->polys[23] = 11; buff->polys[24] = c+2; buff->polys[25] = 4; buff->polys[26] = 0; buff->polys[27] = 3; buff->polys[28] = 2; buff->polys[29] = 1; buff->polys[30] = c+3; buff->polys[31] = 4; buff->polys[32] = 4; buff->polys[33] = 5; buff->polys[34] = 6; buff->polys[35] = 7; } //*-* Paint in the pad PaintShape(buff,rangeView); if (strstr(option, "x3d")) { if(buff && buff->points && buff->segs) FillX3DBuffer(buff); else { gSize3D.numPoints -= buff->numPoints; gSize3D.numSegs -= buff->numSegs; gSize3D.numPolys -= buff->numPolys; } } delete [] points; if (buff->segs) delete [] buff->segs; if (buff->polys) delete [] buff->polys; if (buff) delete buff; } //______________________________________________________________________________ void TBRIK::PaintGLPoints(Float_t *vertex) { //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*Paint BRIK via OpenGL *-*-*-*-*-*-*-*-*-*-*-*-* //*-* ===================== gVirtualGL->PaintBrik(vertex); } //______________________________________________________________________________ void TBRIK::SetPoints(Float_t *buff) { //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*Create BRIK points*-*-*-*-*-*-*-*-*-*-*-*-*-*-* //*-* ================== if (buff) { buff[ 0] = -fDx; buff[ 1] = -fDy; buff[ 2] = -fDz; buff[ 3] = fDx; buff[ 4] = -fDy; buff[ 5] = -fDz; buff[ 6] = fDx; buff[ 7] = fDy; buff[ 8] = -fDz; buff[ 9] = -fDx; buff[10] = fDy; buff[11] = -fDz; buff[12] = -fDx; buff[13] = -fDy; buff[14] = fDz; buff[15] = fDx; buff[16] = -fDy; buff[17] = fDz; buff[18] = fDx; buff[19] = fDy; buff[20] = fDz; buff[21] = -fDx; buff[22] = fDy; buff[23] = fDz; } } //______________________________________________________________________________ void TBRIK::Sizeof3D() const { //*-*-*-*-*-*-*Return total X3D size of this shape with its attributes*-*-*-*-*-* //*-* ======================================================= gSize3D.numPoints += 8; gSize3D.numSegs += 12; gSize3D.numPolys += 6; }


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