Using NumberValue returns a double.
double x = args[0]-> NumberValue();
double y = args[1]-> NumberValue();
double z = args[2]-> NumberValue();
Rgards,
Søren
On Fri, Nov 21, 2008 at 4:23 PM, vlad <[EMAIL PROTECTED]> wrote:
>
> What is the best way to extract float variables from a Javascript
> function call.
> The javascript would look something like this:
> =========
> ------------------
> var point = new Point(2.5, 7.1, 4.8);
> ------------------
> =========
>
> The C++ currently look something like this:
>
> =========
> ------------------
> v8::Handle<v8::Value> jsi_Point_construct(const v8::Arguments& args)
> {
> v8::HandleScope handleScope;
>
> if (!args.IsConstructCall()) {
> return v8::ThrowException(v8::String::New("Point: Cannot
> call
> constructor as function."));
> }
>
> if (args.Length() != 3) {
> return v8::ThrowException(v8::String::New("Point:
> Constructor takes
> 3 arguments."));
> }
>
>
> float x = static_cast<float>(args[0]->Int32Value());
> float y = static_cast<float>(args[1]->Int32Value());
> float z = static_cast<float>(args[2]->Int32Value());
>
> Point3D* point = new Point3D(x, y, z);
>
> // make a persistant handle for the instance and
> // make it weak so we get a callback on destruction
> v8::Persistent<v8::Object> self = v8::Persistent<v8::Object>::New
> (args.Holder());
> self.MakeWeak(point, jsi_Point_destruct);
>
> self->SetInternalField(0, v8::External::New(point));
>
> return self;
> }
> ------------------
> =========
>
> Thanks for any help
> >
>
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