//=======================================
// Constructor
//---------------------------------------
Spotlight::Spotlight(ParamList parameters)
{
int i;
from=Point3(0,0,0);
to=Point3(0,0,1);
intensity=1;
coneangle=0.5*30;
conedeltaangle=0.5*5;
beamdistribution=2;
colour=Colour(1,1,1);
if (parameters.Exists("from")) from=parameters.Vector("from");
if (parameters.Exists("to")) to=parameters.Vector("to");
if (parameters.Exists("intensity")) intensity=parameters.Float("intensity");
if (parameters.Exists("color")) colour=parameters.Vector("color");
if (parameters.Exists("coneangle")) coneangle=0.5*parameters.Float("coneangle");
if (parameters.Exists("conedeltaangle")) conedeltaangle=0.5*parameters.Float("conedeltaangle");
if (parameters.Exists("beamdistribution")) beamdistribution=parameters.Float("beamdistribution");
from=RiGlobal.tWorldToCamera*RiCurrent.transform*from;
to=RiGlobal.tWorldToCamera*RiCurrent.transform*to;
}
void CameraOptions::RiProjection(char *name,ParamList parameters)
{
if (!strcmp(name,"orthographic"))
cameraProjection=RtOrthographic;
else
{
if (!strcmp(name,"perspective"))
{
cameraProjection=RtPerspective;
if (parameters.Exists("fov"))
{
fieldOfView=parameters.Float("fov");
}
}
else
RiError("Projection type `%s' not understood",name);
}
}