Random Coordinates C++ Node.JS AddOn

randomcoords.cpp

#include <node.h>
#include <v8.h>
#include <stdio.h>
#include <stdlib.h>

using namespace v8;

Handle<Value> getRandomCoords2D(const Arguments& args) {
    HandleScope scope;
    
   if (args.Length() < 2) {
        ThrowException(Exception::TypeError(String::New("Wrong number of arguments")));
        return scope.Close(Undefined());
    }

    if (!args[0]->IsNumber() || !args[1]->IsNumber()) {
        ThrowException(Exception::TypeError(String::New("Wrong arguments")));
        return scope.Close(Undefined());
    }

    Local<Object> obj = Object::New();
    obj->Set(String::NewSymbol("x"), Number::New( 1 + (rand() % xBound->IntegerValue() )));
    obj->Set(String::NewSymbol("y"), Number::New( 1 + (rand() % yBound->IntegerValue() )));

    return scope.Close(obj);
}

Handle<Value> getRandomCoords3D(const Arguments& args) {
    HandleScope scope;

    if (args.Length() < 3) {
        ThrowException(Exception::TypeError(String::New("Wrong number of arguments")));
        return scope.Close(Undefined());
    }

    if (!args[0]->IsNumber() || !args[1]->IsNumber() || !args[2]->IsNumber()) {
        ThrowException(Exception::TypeError(String::New("Wrong arguments")));
        return scope.Close(Undefined());
    }

    Local<Number> xBound = args[0]->ToNumber();
    Local<Number> yBound = args[1]->ToNumber();
    Local<Number> zBound = args[2]->ToNumber();

    Local<Object> obj = Object::New();
    obj->Set(String::NewSymbol("x"), Number::New( 1 + (rand() % xBound->IntegerValue() )));
    obj->Set(String::NewSymbol("y"), Number::New( 1 + (rand() % yBound->IntegerValue() )));
    obj->Set(String::NewSymbol("z"), Number::New( 1 + (rand() % zBound->IntegerValue() )));
    return scope.Close(obj);
}


void init(Handle<Object> target) {
    target->Set(String::NewSymbol("getRandomCoords3D"),
        FunctionTemplate::New(getRandomCoords3D)->GetFunction());

    target->Set(String::NewSymbol("getRandomCoords2D"),
        FunctionTemplate::New(getRandomCoords2D)->GetFunction());
}
NODE_MODULE(randomcoords, init)

Nice example