Handle<Value> SCRIntersect(const Arguments& args)
{
if(args.Length() < 2 || !IsVec3(args[0]) || ! IsVec3(args[1]))
{
return ThrowError("usage: intersect(float[3] from, float[3] to, [int32 nodemask])");
}
unsigned int nodemask = dtEntity::NodeMasks::PICKABLE | dtEntity::NodeMasks::TERRAIN;
if(args.Length() >= 3)
{
nodemask = args[2]->Uint32Value();
}
dtEntity::Vec3d from = UnwrapVec3(args[0]);
dtEntity::Vec3d to = UnwrapVec3(args[1]);
dtEntity::SystemInterface::Intersections isects;
bool found = dtEntity::GetSystemInterface()->GetIntersections(from, to, isects, nodemask);
HandleScope scope;
Handle<Array> ret = Array::New();
if(!found)
{
return scope.Close(ret);
}
Handle<String> entityid = String::New("EntityId");
Handle<String> normal = String::New("Normal");
Handle<String> position = String::New("Position");
unsigned int count = 0;
for(dtEntity::SystemInterface::Intersections::const_iterator i = isects.begin(); i != isects.end(); ++i)
{
dtEntity::SystemInterface::Intersection isect = *i;
Handle<Object> obj = Object::New();
obj->Set(entityid, Uint32::New(isect.mEntityId));
obj->Set(normal, WrapVec3(isect.mNormal));
obj->Set(position, WrapVec3(isect.mPosition));
ret->Set(count++, obj);
}
return scope.Close(ret);
}
Handle<Value> SCRGetPickRay(const Arguments& args)
{
if(args.Length() < 3)
{
return ThrowError("getPickRay expects three arguments!");
}
if(!args[0]->IsInt32())
{
return ThrowError("Usage: getPickRay(contextid, x, y[, bool usePixels])");
}
unsigned int contextid = args[0]->Uint32Value();
float x = (float)args[1]->NumberValue();
float y = (float)args[2]->NumberValue();
bool usePixels = true;
if(args.Length() > 3)
{
usePixels = args[4]->BooleanValue();
}
dtEntity::Vec3f pr = dtEntity::GetWindowInterface()->GetPickRay(contextid, x, y, usePixels);
return WrapVec3(pr);
}
Handle<Value> SCRConvertWorldToScreenCoords(const Arguments& args)
{
dtEntity::Vec3d screenXYZ(args[0]->NumberValue(), args[1]->NumberValue(), args[2]->NumberValue());
dtEntity::Vec3d c = dtEntity::GetWindowInterface()->ConvertWorldToScreenCoords(0, screenXYZ);
return WrapVec3(c);
}
Handle<Value> SCRGetPickRay(const Arguments& args)
{
dtEntity::Vec3f pr = dtEntity::GetWindowInterface()->GetPickRay("defaultView", args[0]->NumberValue(), args[1]->NumberValue());
return WrapVec3(pr);
}
