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00043 #include <cstdlib>
00044 #include <cstdio>
00045
00046 #include "OSGConfig.h"
00047
00048 #include "OSGCSMTrackball.h"
00049 #include "OSGWindow.h"
00050
00051 OSG_BEGIN_NAMESPACE
00052
00053
00054
00055
00056
00057
00058
00059
00060
00061
00062
00063
00064
00065
00066 void CSMTrackball::initMethod(InitPhase ePhase)
00067 {
00068 Inherited::initMethod(ePhase);
00069
00070 if(ePhase == TypeObject::SystemPost)
00071 {
00072 }
00073 }
00074
00075
00076
00077
00078
00079
00080
00081
00082
00083
00084
00085
00086 CSMTrackball::CSMTrackball(void) :
00087 Inherited ( ),
00088 _oTrackball ( ),
00089 _iLastX (-1),
00090 _iLastY (-1),
00091 _iMouseButtons( 0)
00092
00093 {
00094 _oTrackball.setStartPosition(0, 0, 10, true);
00095 _oTrackball.setTranslationScale(1.f);
00096
00097 _oTrackball.setMode (Trackball::OSGObject);
00098 _oTrackball.setSum (true );
00099 _oTrackball.setTranslationMode (Trackball::OSGFree );
00100 }
00101
00102 CSMTrackball::CSMTrackball(const CSMTrackball &source) :
00103 Inherited (source),
00104 _oTrackball ( ),
00105 _iLastX (-1 ),
00106 _iLastY (-1 ),
00107 _iMouseButtons( 0 )
00108
00109 {
00110 _oTrackball.setStartPosition(0, 0, 10, true);
00111 _oTrackball.setTranslationScale(1.f);
00112
00113 _oTrackball.setMode (Trackball::OSGObject);
00114 _oTrackball.setSum (true );
00115 _oTrackball.setTranslationMode (Trackball::OSGFree );
00116 }
00117
00118 CSMTrackball::~CSMTrackball(void)
00119 {
00120 }
00121
00122
00123
00124 void CSMTrackball::changed(ConstFieldMaskArg whichField,
00125 UInt32 origin,
00126 BitVector details)
00127 {
00128 if(0x0000 != (whichField & MouseDataFieldMask))
00129 {
00130 const MouseData &mData = _sfMouseData.getValue();
00131
00132 if((0x0000 != (mData.getModifier() & _sfModifierMask.getValue())) ||
00133 (_sfProcessing.getValue() == 0x01))
00134 {
00135 if(mData.getButton() != -1)
00136 {
00137 if(mData.getState() == Int32(MouseData::ButtonDown))
00138 {
00139 switch(mData.getButton())
00140 {
00141 case MouseData::LeftButton :
00142 break;
00143
00144 case MouseData::MiddleButton :
00145 _oTrackball.setAutoPosition(true);
00146 break;
00147
00148 case MouseData::RightButton :
00149 _oTrackball.setAutoPositionNeg(true);
00150 break;
00151 }
00152
00153 _iMouseButtons |= 1 << mData.getButton();
00154
00155 editSFProcessing()->setValue(true);
00156 }
00157 else
00158 {
00159 switch(mData.getButton())
00160 {
00161 case MouseData::LeftButton :
00162 break;
00163
00164 case MouseData::MiddleButton :
00165 _oTrackball.setAutoPosition(false);
00166 break;
00167
00168 case MouseData::RightButton :
00169 _oTrackball.setAutoPositionNeg(false);
00170 break;
00171 }
00172
00173 _iMouseButtons &= ~(1 << mData.getButton());
00174
00175 editSFProcessing()->setValue(false);
00176 }
00177 }
00178 else
00179 {
00180 if(_sfProcessing.getValue() == 0x01)
00181 {
00182 Real32 a,b,c,d;
00183
00184 if(mData.getMode() == MouseData::RelValues)
00185 {
00186 a = 0.f;
00187 b = 0.f;
00188
00189 c = mData.getX();
00190 d = mData.getY();
00191 }
00192 else
00193 {
00194 Real32 w = mData.getWindow()->getWidth ();
00195 Real32 h = mData.getWindow()->getHeight();
00196
00197 Real32 x = mData.getX();
00198 Real32 y = mData.getY();
00199
00200 a = -2.0 * (_iLastX / w - 0.5);
00201 b = -2.0 * (0.5 - _iLastY / h);
00202 c = -2.0 * ( x / w - 0.5 );
00203 d = -2.0 * (0.5 - y / h );
00204 }
00205
00206 if(_iMouseButtons & (1 << MouseData::LeftButton))
00207 {
00208 _oTrackball.updateRotation(a, b, c, d);
00209 }
00210 else if(_iMouseButtons & (1 << MouseData::MiddleButton))
00211 {
00212 _oTrackball.updatePosition(a, b, c, d);
00213 }
00214 else if(_iMouseButtons & (1 << MouseData::RightButton))
00215 {
00216 _oTrackball.updatePositionNeg(a, b, c, d);
00217 }
00218
00219 editSFMatrixResult()->setValue(
00220 _oTrackball.getFullTrackballMatrix());
00221 }
00222 }
00223
00224 _iLastX = mData.getX();
00225 _iLastY = mData.getY();
00226 }
00227 }
00228
00229 if(0x0000 != (whichField & ReferencePositionFieldMask))
00230 {
00231 _oTrackball.setStartPosition(_sfReferencePosition.getValue()[0],
00232 _sfReferencePosition.getValue()[1],
00233 _sfReferencePosition.getValue()[2],
00234 true );
00235
00236 editSFMatrixResult()->setValue(_oTrackball.getFullTrackballMatrix());
00237 }
00238
00239 if(0x0000 != (whichField & ReferenceMatrixFieldMask))
00240 {
00241 Matrix m;
00242
00243 m.setValue(&(_sfReferenceMatrix.getValue()[0][0]));
00244
00245 Quaternion so;
00246 Vec3f s;
00247 Vec3f trans;
00248 Quaternion ro;
00249 Vec3f cnt;
00250
00251 cnt[0] = _sfTransformCenter.getValue()[0];
00252 cnt[1] = _sfTransformCenter.getValue()[1];
00253 cnt[2] = _sfTransformCenter.getValue()[2];
00254
00255 m.getTransform(trans, ro, s, so, cnt);
00256
00257 _oTrackball.setStartRotation(ro, true);
00258
00259 ro.invert();
00260 ro.multVec(trans, trans);
00261
00262 _oTrackball.setStartPosition(trans[0],
00263 trans[1],
00264 trans[2],
00265 true);
00266
00267 editSFMatrixResult()->setValue(_oTrackball.getFullTrackballMatrix());
00268 }
00269
00270 if(0x0000 != (whichField & TransformCenterFieldMask))
00271 {
00272 _oTrackball.setRotationCenter(_sfTransformCenter.getValue());
00273 }
00274
00275 if(0x0000 != (whichField & WorldDiagFieldMask))
00276 {
00277 _oTrackball.setTranslationScale(((_sfWorldDiag.getValue()[0] +
00278 _sfWorldDiag.getValue()[1] +
00279 _sfWorldDiag.getValue()[2]) / 5.f) *
00280 _sfTranslationScaleFactor.getValue());
00281 }
00282
00283 #if 0
00284 if(0x0000 != (whichField & ResetFieldMask))
00285 {
00286 _oTrackball.reset();
00287
00288 VSC::beginEdit(this, MatrixResultFieldMask);
00289 {
00290 _sfMatrixResult.setValue(_oTrackball.getFullTrackballMatrix());
00291 }
00292 VSC::endEdit (this, MatrixResultFieldMask);
00293 }
00294 #endif
00295
00296 Inherited::changed(whichField, origin, details);
00297 }
00298
00299 void CSMTrackball::dump( UInt32 ,
00300 const BitVector ) const
00301 {
00302 SLOG << "Dump CSMTrackball NI" << std::endl;
00303 }
00304
00305 OSG_END_NAMESPACE
