bool VortexParticleAffector::affect(ParticleSystemRefPtr System, Int32 ParticleIndex, const Time& elps)
{
if(getBeacon() != NULL)
{
Matrix BeaconToWorld(getBeacon()->getToWorld());
Vec3f translation, tmp;
Quaternion tmp2;
BeaconToWorld.getTransform(translation,tmp2,tmp,tmp2);
Pnt3f particlePos = System->getPosition(ParticleIndex);
Real32 distanceFromAffector = particlePos.dist(Pnt3f(translation.x(),translation.y(),translation.z()));
if((getMaxDistance() < 0.0) || (distanceFromAffector <= getMaxDistance())) //only affect the particle if it is in range
{
Vec3f particleDirectionFromVortex(particlePos.x() - translation.x(), particlePos.y() - translation.y(), particlePos.z() - translation.z());
particleDirectionFromVortex = particleDirectionFromVortex.cross(getVortexAxis());
particleDirectionFromVortex.normalize();
particleDirectionFromVortex = particleDirectionFromVortex *
((-getMagnitude() *
elps)/OSG::osgClamp<Real32>(1.0f,std::pow(distanceFromAffector,getAttenuation()),TypeTraits<Real32>::getMax()));
System->setVelocity(particleDirectionFromVortex + System->getVelocity(ParticleIndex),ParticleIndex);
}
}
return false;
}
Light::Data SpotLight::getData( double time, const mat4 &transform ) const
{
// Populate the LightData structure.
Light::Data params = Light::getData( time, transform );
params.position = vec3( transform * vec4( mPosition, 1 ) );
params.direction = glm::normalize( mat3( transform ) * mDirection );
params.range = mRange;
params.attenuation = getAttenuation();
params.angle = getConeParams();
if( mFlags & ( Data::ShadowEnabled | Data::ModulationEnabled ) ) {
mat4 invTransform = glm::inverse( transform );
if( mFlags & Data::ShadowEnabled ) {
params.shadowMatrix = getShadowMatrix() * invTransform;
params.shadowIndex = mShadowIndex;
}
if( mFlags & Data::ModulationEnabled ) {
params.modulationMatrix = getModulationMatrix( time ) * invTransform;
params.modulationIndex = mModulationIndex;
}
}
return params;
}
void PointLight::updateRange()
{
float minIntensity = 1 / (m_intensity * std::max(m_color.x, std::max(m_color.y, m_color.z)) * 256);
float maxRange = 1000.0f;
float range = maxRange;
float c = getAttenuation()->getConstant();
float l = getAttenuation()->getLinear();
float e = getAttenuation()->getExponent();
if (m_intensity < minIntensity * c)
range = 0;
else
if (e > 0)
range = (-l + (float)std::sqrt(l * l + 4.0 * e * (m_intensity / minIntensity - c))) / (2.0f * e);
else if (l > 0)
range = std::max(.0f, (m_intensity - minIntensity * c) / (minIntensity * l));
m_range = std::min(range, maxRange);
}
void Light::enterScene(Scene* scene) {
VisualComponent::enterScene(scene);
light = createLight();
setEnabled(isEnabled());
setDiffuseColour(getDiffuseColour());
setSpecularColour(getSpecularColour());
setAttenuation(getAttenuation());
getSceneNode()->attachObject(light);
}
void PointLight::SetLight(X3DDrawContext* pDC)
{
// m_radius->m_value;
D3DXMATRIX modelView = pDC->m_renderContext->modelViewMatrix();
D3DXVECTOR3 location(m_location->getValue());
D3DXVECTOR4 v;
D3DXVec3Transform(&v, &location, &modelView);
float ambientIntensity = getAmbientIntensity();
float intensity = getIntensity();
Vec3f color = getColor();
Vec3f attenuation = getAttenuation();
Graphics::Light light;
light.m_type = 2;
light.m_ambient = Vec4f(ambientIntensity, ambientIntensity, ambientIntensity, 1.0f);
light.m_diffuse = Vec4f(color[0]*intensity, color[1]*intensity, color[2]*intensity, 1.0f);
light.m_position = Vec4f(v.x, v.y, v.z, 1/*positional*/);
light.m_constant_attenuation = attenuation[0];
light.m_linear_attenuation = attenuation[1];
light.m_quadratic_attenuation = attenuation[2];
pDC->m_renderContext->m_lights.push_back(light);
++pDC->m_renderContext->m_nLight;
#if 0
pDC->m_pGraphics3D->PushMatrix();
// glTranslated(0, 0, 100);
float light_position[4];
m_location->getValue(light_position);
light_position[3] = 1; // positional
float ambient[4] = {m_ambientIntensity->m_value, m_ambientIntensity->m_value, m_ambientIntensity->m_value, 1.0};
float diffuse_specular[4] = {m_color->m_value[0], m_color->m_value[1], m_color->m_value[2], m_intensity->m_value};
pDC->m_pGraphics3D->Enable(GL_LIGHT0+pDC->m_nLight);
pDC->m_pGraphics3D->Lightfv(GL_LIGHT0+pDC->m_nLight, GL_POSITION, light_position);
pDC->m_pGraphics3D->Lightfv(GL_LIGHT0+pDC->m_nLight, GL_AMBIENT, ambient);
pDC->m_pGraphics3D->Lightfv(GL_LIGHT0+pDC->m_nLight, GL_DIFFUSE, diffuse_specular);
// pDC->m_pGraphics3D->glLightfv(GL_LIGHT0+pDC->m_nLight, GL_SPECULAR , diffuse_specular);
pDC->m_pGraphics3D->Lightf(GL_LIGHT0+pDC->m_nLight, GL_CONSTANT_ATTENUATION, m_attenuation->m_value[0]);
pDC->m_pGraphics3D->Lightf(GL_LIGHT0+pDC->m_nLight, GL_LINEAR_ATTENUATION, m_attenuation->m_value[1]);
pDC->m_pGraphics3D->Lightf(GL_LIGHT0+pDC->m_nLight, GL_QUADRATIC_ATTENUATION, m_attenuation->m_value[2]);
pDC->m_pGraphics3D->PopMatrix();
#endif
}
void CX3DPointLightNode::print(int indent)
{
FILE *fp = CX3DParser::getDebugLogFp();
char *nodeName = getNodeName();
if (nodeName)
{
float r, g, b;
float x, y, z;
CX3DParser::printIndent(indent);
fprintf(fp, "%s (%s)\n", nodeName, CX3DNode::getNodeTypeString(getNodeType()));
CX3DParser::printIndent(indent+1);
fprintf(fp, "ambientIntensity : (%f)\n", getAmbientIntensity()->getValue());
getColor()->getValue(r, g, b);
CX3DParser::printIndent(indent+1);
fprintf(fp, "color : (%f %f %f)\n", r, g, b);
CX3DParser::printIndent(indent+1);
fprintf(fp, "intensity : (%f)\n", getIntensity()->getValue());
getLocation()->getValue(x, y, z);
CX3DParser::printIndent(indent+1);
fprintf(fp, "location : (%f %f %f)\n", x, y, z);
CX3DParser::printIndent(indent+1);
fprintf(fp, "radius : (%f)\n", getRadius()->getValue());
getAttenuation()->getValue(x, y, z);
CX3DParser::printIndent(indent+1);
fprintf(fp, "attenuation : (%f %f %f)\n", x, y, z);
CX3DParser::printIndent(indent+1);
fprintf(fp, "on : %s\n", getOn()->getValue() ? "TRUE" : "FALSE");
CX3DParser::printIndent(indent+1);
fprintf(fp, "global : %s\n", getGlobal()->getValue() ? "TRUE" : "FALSE");
}
}
Light::Data WedgeLight::getData( double time, const mat4 &transform ) const
{
// Adjust position.
vec3 position = mPosition - 0.5f * mLength * mAxis;
// Populate the LightData structure.
Light::Data params = Light::getData( time, transform );
params.position = vec3( transform * vec4( position, 1 ) );
params.direction = glm::normalize( mat3( transform ) * mDirection );
params.horizontal = glm::normalize( mat3( transform ) * mAxis );
params.width = mLength;
params.range = mRange;
params.attenuation = getAttenuation();
params.angle = getConeParams();
// Disable shadows and modulation.
params.flags &= ~Data::ShadowEnabled;
params.flags &= ~Data::ModulationEnabled;
return params;
}
void ScenRectangle::toXml(ostream &out)
{
//Dati obbligatori
out<<" <Rect x=\""<<p.x<<"\" y=\""<<p.y<<"\" width=\""<<width<<"\" height=\""<<height<<"\"";
//Nome (dato Opzionale)
if(getName()!="")
out<<" name=\""<<getName()<<"\"";
//Angolo di rotazione (dato Opzionale)
if(rotAngle!=0)
out<<" rotation=\""<<rotAngle<<"\"";
//Colore riempimento (Dato opzionale)
Color fillCol=getFillColor();
if((fillCol.getRi()!=128)||
(fillCol.getGi()!=128)||
(fillCol.getBi()!=128))
{
out<<" fill=\""<<fillCol.getRi()<<","
<<fillCol.getGi()<<","
<<fillCol.getBi()<<"\"";
}
//Colore bordo (Dato opzionale)
Color borderCol=getBorderColor();
if((borderCol.getRi()!=255)||
(borderCol.getGi()!=0)||
(borderCol.getBi()!=0))
{
out<<" border=\""<<borderCol.getRi()<<","
<<borderCol.getGi()<<","
<<borderCol.getBi()<<"\"";
}
out<<" attenuation=\""<<getAttenuation()<<"\"/>\n";
}//Fine toXml
float sfSoundStream_getAttenuation(const sfSoundStream* soundStream)
{
CSFML_CALL_RETURN(soundStream, getAttenuation(), 0.f);
}
bool TurbulenceParticleAffector::affect(ParticleSystemRefPtr System, Int32 ParticleIndex, const Time& elps)
{
if(getBeacon() != NULL)
{
Matrix BeaconToWorld(getBeacon()->getToWorld());
Vec3f translation, tmp;
Quaternion tmp2;
BeaconToWorld.getTransform(translation,tmp2,tmp,tmp2);
Pnt3f particlePos = System->getPosition(ParticleIndex);
Real32 distanceFromAffector = particlePos.dist(Pnt3f(translation.x(),translation.y(),translation.z()));
if((getMaxDistance() < 0.0) || (distanceFromAffector <= getMaxDistance())) //only affect the particle if it is in range
{
Real32 Xparam, Yparam, Zparam;
Pnt3f pos(System->getPosition(ParticleIndex));
getPerlinDistribution()->setPhase(getPhase()[0]);
Xparam = getPerlinDistribution()->generate(pos[0]);
getPerlinDistribution()->setPhase(getPhase()[1]);
Yparam = getPerlinDistribution()->generate(pos[1]);
getPerlinDistribution()->setPhase(getPhase()[2]);
Zparam = getPerlinDistribution()->generate(pos[2]);
Vec3f fieldAffect(Vec3f(Xparam, Yparam, Zparam));
fieldAffect = fieldAffect * (getAmplitude()*
(elps/(OSG::osgClamp<Real32>(1.0f,std::pow(distanceFromAffector,getAttenuation()),TypeTraits<Real32>::getMax()))));
System->setVelocity(System->getVelocity(ParticleIndex) + fieldAffect, ParticleIndex);
} // end distance conditional
} // end null beacon conditional
return false;
}
float sfSound_getAttenuation(const sfSound* sound)
{
CSFML_CALL_RETURN(sound, getAttenuation(), 0.f);
}
Real Speaker::attenuation(const Vec & RAY_DIRECTION) const {
return getAttenuation(direction, RAY_DIRECTION, directionality);
}
