const GLVector GLVector::operator /(GLdouble d)const{
if (d != 0.0){
GLdouble temp= 1.0 / d;
return GLVector(x() * temp, y() * temp, z() * temp);
}
else{
return GLVector(0.0,0.0,0.0);
}
}
const GLVector GLVector::unitVector()const{
GLdouble aLength;
aLength= length();
if (length() != 0.0)
return GLVector(x() / length(),
y() / length(),
z() / length());
else {
return GLVector();
}
}
GLAngle::GLAngle( GLVector * vectorA, GLVector * vectorB, GLColor color, QString objectID, int time ) : GLObject(GLObject::ANGLE_OBJECT, color, objectID, time)
{
if( vectorA != 0 &&
vectorB != 0 &&
vectorA != vectorB &&
( (vectorA->sX() == vectorB->sX() && vectorA->sY() == vectorB->sY() && vectorA->sZ() == vectorB->sZ()) ||
(vectorA->eX() == vectorB->eX() && vectorA->eY() == vectorB->eY() && vectorA->eZ() == vectorB->eZ()) ||
(vectorA->eX() == vectorB->sX() && vectorA->eY() == vectorB->sY() && vectorA->eZ() == vectorB->sZ()) ||
(vectorA->sX() == vectorB->eX() && vectorA->sY() == vectorB->eY() && vectorA->sZ() == vectorB->eZ()) ))
{
_valid = true;
if(vectorA->eX() == vectorB->sX() && vectorA->eY() == vectorB->sY() && vectorA->eZ() == vectorB->sZ())
{
_vectorA = GLVector(vectorA->eX(),vectorA->eY(),vectorA->eZ(),vectorA->sX(),vectorA->sY(),vectorA->sZ());
_vectorB = GLVector(*vectorB);
}
else if(vectorA->eX() == vectorB->eX() && vectorA->eY() == vectorB->eY() && vectorA->eZ() == vectorB->eZ())
{
_vectorA = GLVector(vectorA->eX(),vectorA->eY(),vectorA->eZ(),vectorA->sX(),vectorA->sY(),vectorA->sZ());
_vectorB = GLVector(vectorB->eX(),vectorB->eY(),vectorB->eZ(),vectorB->sX(),vectorB->sY(),vectorB->sZ());
}
else if(vectorA->sX() == vectorB->eX() && vectorA->sY() == vectorB->eY() && vectorA->sZ() == vectorB->eZ())
{
_vectorA = GLVector(*vectorA);
_vectorB = GLVector(vectorB->eX(),vectorB->eY(),vectorB->eZ(),vectorB->sX(),vectorB->sY(),vectorB->sZ());
}
else
{
_vectorA = GLVector(*vectorA);
_vectorB = GLVector(*vectorB);
}
_vectorLeft = GLVector(_vectorA.x() * LEN,_vectorA.y() * LEN,_vectorA.z() * LEN);
_vectorRight = GLVector(_vectorB.x() * LEN,_vectorB.y() * LEN,_vectorB.z() * LEN);
if(_vectorLeft.length() > _vectorRight.length())
{
double h = _vectorLeft.length()/_vectorRight.length();
_vectorLeft = _vectorLeft / h;
}
else if(_vectorLeft.length() < _vectorRight.length())
{
double h = _vectorRight.length()/_vectorLeft.length();
_vectorRight = _vectorRight / h;
}
_vectorMid = ((_vectorLeft + _vectorRight)/2.0)*1.1;
}
else
{
_valid = false;
}
}
void GLVector::glCoordinate()
{
glPushMatrix();
glTranslatef(_sX, _sY, _sZ);
GLText::draw("(" + QString::number(_sX) + ", " + QString::number(_sY) + ", " + QString::number(_sZ) + ")",
usedColor(),
GLVector(0.0, -0.35, 0.0));
GLText::draw("(" + QString::number(_eX) + ", " + QString::number(_eY) + ", " + QString::number(_eZ) + ")",
usedColor(),
GLVector(x(), y()-0.35, z()));
glPopMatrix();
}
void GLPerspective::shiftSceneForwardBackward( double distance )
{
GLVector vShift = GLVector(_Center.x() -_Camera.x(), _Center.y() -_Camera.y(), 0).unitVector() * distance;
_Center = _Center + vShift;
_Camera = _Camera + vShift;
}
WaterScreen::WaterScreen (CompScreen *screen) :
PluginClassHandler<WaterScreen,CompScreen> (screen),
cScreen (CompositeScreen::get (screen)),
gScreen (GLScreen::get (screen)),
grabIndex (0),
oldFbo (NULL),
fboIndex (0),
useFbo (true),
texWidth (0),
texHeight (0),
target (0),
tx (0),
ty (0),
count (0),
data (NULL),
d0 (NULL),
d1 (NULL),
t0 (NULL),
wiperAngle (0),
wiperSpeed (0),
lightVec(GLVector(optionGetLightVecX(),
optionGetLightVecY(),
optionGetLightVecZ()))
{
offsetScale = optionGetOffsetScale () * 10.0f;
wiperTimer.setCallback (boost::bind (&WaterScreen::wiperTimeout, this));
rainTimer.setCallback (boost::bind (&WaterScreen::rainTimeout, this));
waterSetup ();
optionSetOffsetScaleNotify (boost::bind (&WaterScreen::optionChange, this, _2));
optionSetRainDelayNotify (boost::bind (&WaterScreen::optionChange, this, _2));
optionSetLightVecXNotify (boost::bind (&WaterScreen::optionChange, this, _2));
optionSetLightVecYNotify (boost::bind (&WaterScreen::optionChange, this, _2));
optionSetLightVecZNotify (boost::bind (&WaterScreen::optionChange, this, _2));
optionSetInitiateKeyInitiate (waterInitiate);
optionSetInitiateKeyTerminate (waterTerminate);
optionSetToggleRainKeyTerminate (waterToggleRain);
optionSetToggleWiperKeyInitiate (waterToggleWiper);
optionSetTitleWaveInitiate (waterTitleWave);
optionSetPointInitiate (waterPoint);
optionSetLineInitiate (waterLine);
ScreenInterface::setHandler (screen, false);
CompositeScreenInterface::setHandler (cScreen, false);
GLScreenInterface::setHandler (gScreen, false);
}
void GLPoint::glCoordinate()
{
glPushMatrix();
glTranslatef( _x, _y, _z );
GLText::draw("(" + QString::number(_x) + ", " + QString::number(_y) + ", " + QString::number(_z) + ")",
usedColor(),
GLVector(0.0, -0.35, 0.0));
glPopMatrix();
}
void GLPoint::glObjectId()
{
glPushMatrix();
glTranslatef( _x, _y, _z );
GLText::draw(_objectID,
usedColor(),
GLVector(0.0, GLText::heightOfText(_objectID)/2.0 + 0.15, 0.0));
glPopMatrix();
}
bool
CubeScreen::cubeShouldPaintViewport (const GLScreenPaintAttrib &sAttrib,
const GLMatrix &transform,
CompOutput *output,
PaintOrder order)
{
WRAPABLE_HND_FUNCTN_RETURN (bool, cubeShouldPaintViewport, sAttrib, transform, output, order)
bool ftb;
float pointZ;
pointZ = priv->mInvert * priv->mDistance;
std::vector<GLVector> vPoints;
vPoints.push_back (GLVector (-0.5, 0.0, pointZ, 1.0));
vPoints.push_back (GLVector (0.0, 0.5, pointZ, 1.0));
vPoints.push_back (GLVector (0.0, 0.0, pointZ, 1.0));
ftb = cubeCheckOrientation (sAttrib, transform, output, vPoints);
return (order == FTB && ftb) || (order == BTF && !ftb);
}
void GLVector::glObjectId()
{
glPushMatrix();
glTranslatef(_sX, _sY, _sZ);
GLText::draw(_objectID,
usedColor(),
GLVector(x()/2.0, y()/2.0 + GLText::heightOfText(_objectID)/2.0 + 0.15, z()/2.0));
glPopMatrix();
}
/*!
\brief Draw axes if requested.
\param axisLength
*/
void Environment::drawAxes(GLdouble axisLength)
{
if (areCoordinateAxesVisible)
{
QVector <GLVector> points(6);
points[0] = GLVector(-axisLength,0.0,0.0);
points[1] = GLVector(axisLength,0.0,0.0);
points[2] = GLVector(0.0,-axisLength, 0.0);
points[3] = GLVector(0.0,axisLength,0.0);
points[4] = GLVector(0.0,0.0,-axisLength);
points[5] = GLVector(0.0,0.0,axisLength);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_DOUBLE, sizeof(GLVector), points[0].dv());
glEnableClientState(GL_COLOR_ARRAY);
glColorPointer(4, GL_FLOAT, sizeof(GLColorRGBA), colors[0].fv());
glDrawArrays(GL_LINES, 0, 6);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
}
}
void GLVector::glVector()
{
glPushMatrix();
glTranslatef(_sX, _sY, _sZ);
QString vector = QString::number(x()) + "\n" + QString::number(y()) + "\n" + QString::number(z());
GLText::draw("(" + vector + ")",
usedColor(),
GLVector(x()/2.0, y()/2.0 - GLText::heightOfText(vector)/2.0 - 0.15, z()/2.0));
glPopMatrix();
}
void GLAngle::glCoordinate()
{
if(_valid)
{
glPushMatrix();
glTranslatef( _vectorA.sX()+_vectorMid.x(), _vectorA.sY()+_vectorMid.y(), _vectorA.sZ()+_vectorMid.z() );
GLText::draw( QString::number(_vectorA.angle(_vectorB),'d',2) + '°',
usedColor(),
GLVector(0.0, -0.35, 0.0));
glPopMatrix();
}
}
void GLAngle::glObjectId()
{
if(_valid)
{
glPushMatrix();
glTranslatef( _vectorA.sX()+_vectorMid.x(), _vectorA.sY()+_vectorMid.y(), _vectorA.sZ()+_vectorMid.z() );
GLText::draw(_objectID,
usedColor(),
GLVector(0.0, GLText::heightOfText(_objectID)/2.0 + 0.15, 0.0));
glPopMatrix();
}
}
const GLVector GLVector::vectorMult( const GLVector& v)const{
return GLVector(
y() * v.z() - z() * v.y(),
z() * v.x() - x() * v.z(),
x() * v.y() - y() * v.x());
}
const GLVector GLVector::operator +(const GLVector& v)const{
return GLVector(x() + v.x(), y() + v.y(), z() + v.z());
}
GLVector GLVector::operator *(const GLdouble d )const{
return GLVector(x() * d, y() * d, z() * d);
}
