//private void ExportSampler()
//{
// _mitsubaXml.CreateSamplerXml();
//}
/// <summary>
/// This method exports the Mitsuba emitters: lights and environment.
///
/// NOTE: if you try to get the environment with RhinoDoc.ActiveDoc.RenderEnvironments[0]
/// Rhino crashes with a "pure virtual function called" error...
/// </summary>
private void ExportEmitters()
{
if (RhinoDoc.ActiveDoc.RenderEnvironments.Count > 0)
{
//HDR environment
var environment = RenderEnvironment.CurrentEnvironment;
var texture = environment.FindChild("texture");
if (texture != null)
{
var env_file = texture.Fields.GetField("filename").ValueAsObject();
_mitsubaXml.CreateEnvironmentEmitterXml(env_file.ToString());
}
}
//Lights
foreach (var obj in RhinoDoc.ActiveDoc.Objects.GetObjectList(ObjectType.Light))
{
if (!obj.Visible)
{
continue;
}
var objRef = new ObjRef(obj);
var light = objRef.Light();
MitsubaEmitter emitter = null;
if (light.IsPointLight)
{
//var location = light.Location;
//var spectrum = light.Diffuse;
//var sampleWeight = light.Intensity;
emitter = new PointLightSource(light.Location, (float)light.Intensity * 100);
}
else if (light.IsSpotLight)
{
var origin = light.Location;
var target = light.Direction;
var cutoffAngle = (float)RhinoMath.ToDegrees(light.SpotAngleRadians);
var intensity = (float)light.Intensity * 50000; //TODO Multiplicador SpotLight ???
emitter = new SpotLightSource(origin, target, intensity, cutoffAngle);
}
else if (light.IsSunLight)
{
//TODO SunLight
}
if (emitter != null)
{
_mitsubaXml.CreateEmitterXml(emitter);
}
}
}
void OnSceneGUI()
{
SpotLightSource source = target as SpotLightSource;
// Draw test raycasts
Info <List <Vector3>, List <Vector3>, List <bool> > testInfo = source.GetTestRaycasts();
if (testInfo != null)
{
for (int i = 0; i < testInfo.arg1.Count; i++)
{
Handles.color = (testInfo.arg2[i]) ? Color.green : Color.red;
Handles.DrawLine(testInfo.arg0[i], testInfo.arg0[i] + testInfo.arg1[i]);
}
}
}
