Source/Contrib/Manipulators/OSGScaleManipulator.cpp

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
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   5  *               Copyright (C) 2000-2002 by the OpenSG Forum                 *
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  12 /*---------------------------------------------------------------------------*\
  13  *                                License                                    *
  14  *                                                                           *
  15  * This library is free software; you can redistribute it and/or modify it   *
  16  * under the terms of the GNU Library General Public License as published    *
  17  * by the Free Software Foundation, version 2.                               *
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  19  * This library is distributed in the hope that it will be useful, but       *
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  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
  31  *                                                                           *
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  35  *                                                                           *
  36  *                                                                           *
  37 \*---------------------------------------------------------------------------*/
  38
  39 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <stdlib.h>
  44 #include <stdio.h>
  45
  46 #define OSG_COMPILEMANIPULATORSLIB
  47
  48 #include "OSGConfig.h"
  49 #include "OSGRenderAction.h"
  50 #include "OSGIntersectAction.h"
  51
  52 #include "OSGScaleManipulator.h"
  53
  54 OSG_USING_NAMESPACE
  55
  56 /***************************************************************************\
  57  *                            Description                                  *
  58 \***************************************************************************/
  59
  60 /*! \class OSG::ScaleManipulator
  61  * The ScaleHandle is used for scaleing objects. It consist of three axis
  62  * which can be picked and scaled and one center box to scale freely in 3D.
  63  */
  64
  65 /***************************************************************************\
  66  *                           Class variables                               *
  67 \***************************************************************************/
  68
  69 /***************************************************************************\
  70  *                           Class methods                                 *
  71 \***************************************************************************/
  72
  73 void ScaleManipulator::initMethod(InitPhase ePhase)
  74 {
  75     Inherited::initMethod(ePhase);
  76
  77     if(ePhase == TypeObject::SystemPost)
  78     {
  79         IntersectAction::registerEnterDefault(
  80             getClassType(),
  81             reinterpret_cast<Action::Callback>(
  82                 &ScaleManipulator::intersectEnter));
  83
  84         IntersectAction::registerLeaveDefault(
  85             getClassType(),
  86             reinterpret_cast<Action::Callback>(
  87                 &ScaleManipulator::intersectLeave));
  88
  89         RenderAction::registerEnterDefault(
  90             getClassType(),
  91             reinterpret_cast<Action::Callback>(&ScaleManipulator::renderEnter));
  92
  93         RenderAction::registerLeaveDefault(
  94             getClassType(),
  95             reinterpret_cast<Action::Callback>(&ScaleManipulator::renderLeave));
  96     }
  97 }
  98
  99
 100 /***************************************************************************\
 101  *                           Instance methods                              *
 102 \***************************************************************************/
 103
 104 /*-------------------------------------------------------------------------*\
 105  -  private                                                                 -
 106 \*-------------------------------------------------------------------------*/
 107
 108 /*----------------------- constructors & destructors ----------------------*/
 109
 110 ScaleManipulator::ScaleManipulator(void) :
 111     Inherited()
 112 {
 113 }
 114
 115 ScaleManipulator::ScaleManipulator(const ScaleManipulator &source) :
 116     Inherited(source)
 117 {
 118 }
 119
 120 ScaleManipulator::~ScaleManipulator(void)
 121 {
 122 }
 123
 124 /*----------------------------- class specific ----------------------------*/
 125
 126 void ScaleManipulator::changed(ConstFieldMaskArg whichField,
 127                                UInt32            origin,
 128                                BitVector         details   )
 129 {
 130     Inherited::changed(whichField, origin, details);
 131 }
 132
 133 void ScaleManipulator::dump(      UInt32    uiIndent,
 134                             const BitVector bvFlags) const
 135 {
 136     Inherited::dump(uiIndent, bvFlags);
 137 }
 138
 139 NodeTransitPtr ScaleManipulator::makeHandleGeo()
 140 {
 141     return makeCylinder(0.75f, 0.1f, 12, true, true, true);
 142 }
 143
 144 void ScaleManipulator::doMovement(      Transform    *t,
 145                                   const Int32         coord,
 146                                   const Real32        value,
 147                                   const Vec3f        &translation,
 148                                   const Quaternion   &rotation,
 149                                   const Vec3f        &scaleFactor,
 150                                   const Quaternion   &scaleOrientation)
 151 {
 152     Vec3f scale(1.0f, 1.0f, 1.0f);
 153
 154     if(getUniform() == true)
 155     {
 156         scale += Vec3f(value, value, value);
 157     }
 158     else
 159     {
 160         scale[coord] += value;
 161     }
 162
 163     Matrix ma, mb, mc, md, me, mf, mg;
 164
 165     Vec3f sp( getPivot()[0] * scaleFactor[0],
 166               getPivot()[1] * scaleFactor[1],
 167               getPivot()[2] * scaleFactor[2]);
 168
 169     ma.setTranslate(-translation       );
 170     mb.setRotate   ( rotation.inverse());
 171     mc.setTranslate( - sp               );
 172     md.setScale    ( scale             );
 173     me.setTranslate( sp               );
 174     mf.setRotate   ( rotation          );
 175     mg.setTranslate( translation       );
 176
 177     t->editMatrix().multLeft(ma);
 178     t->editMatrix().multLeft(mb);
 179     t->editMatrix().multLeft(mc);
 180     t->editMatrix().multLeft(md);
 181     t->editMatrix().multLeft(me);
 182     t->editMatrix().multLeft(mf);
 183     t->editMatrix().multLeft(mg);
 184 }