Skip to content

Instantly share code, notes, and snippets.

@terryjsmith

terryjsmith/vector3.cpp

Created September 14, 2016 23:29
Show Gist options
  • Save terryjsmith/c39cb289c5c8ec9f5b7241c3406058b7 to your computer and use it in GitHub Desktop.
Save terryjsmith/c39cb289c5c8ec9f5b7241c3406058b7 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
vector3.cpp
ScriptVector3::ScriptVector3() {
m_vector.x = m_vector.y = m_vector.z = 0.0f;
}
ScriptVector3::ScriptVector3(const v8::FunctionCallbackInfo<v8::Value>& info) {
float x, y, z;
x = y = z = 0.0f;
if(info.Length() == 1) {
assert(info[0]->IsNumber());
x = y = z = (float)info[0]->NumberValue();
}
else if(info.Length() == 3) {
assert(info[0]->IsNumber());
assert(info[1]->IsNumber());
assert(info[2]->IsNumber());
x = (float)info[0]->ToNumber()->Value();
y = (float)info[1]->ToNumber()->Value();
z = (float)info[2]->ToNumber()->Value();
}
m_vector.x = x;
m_vector.y = y;
m_vector.z = z;
}
void ScriptVector3::Initialize(v8::Isolate* isolate, v8::Local<v8::Context> context) {
StartTemplate(isolate);
SetTypeName("Vector3");
AddVariable("x", GetX, SetX);
AddVariable("y", GetY, SetY);
AddVariable("z", GetZ, SetZ);
AddFunction("Normalize", Normalize);
EndTemplate(context);
}
v8::Local<v8::Value> ScriptVector3::GetX(v8::Isolate* isolate, void* obj) {
ScriptVector3* object = (ScriptVector3*)obj;
return(v8::Number::New(isolate, object->m_vector.x));
}
v8::Local<v8::Value> ScriptVector3::GetY(v8::Isolate* isolate, void* obj) {
ScriptVector3* object = (ScriptVector3*)obj;
return(v8::Number::New(isolate, object->m_vector.y));
}
v8::Local<v8::Value> ScriptVector3::GetZ(v8::Isolate* isolate, void* obj) {
ScriptVector3* object = (ScriptVector3*)obj;
return(v8::Number::New(isolate, object->m_vector.z));
}
void ScriptVector3::SetX(void* obj, v8::Local<v8::Value> value) {
ScriptVector3* object = (ScriptVector3*)obj;
object->m_vector.x = (float)value->ToNumber()->Value();
}
void ScriptVector3::SetY(void* obj, v8::Local<v8::Value> value) {
ScriptVector3* object = (ScriptVector3*)obj;
object->m_vector.y = (float)value->ToNumber()->Value();
}
void ScriptVector3::SetZ(void* obj, v8::Local<v8::Value> value) {
ScriptVector3* object = (ScriptVector3*)obj;
object->m_vector.z = (float)value->ToNumber()->Value();
}
// Prototype functions
void ScriptVector3::Normalize(const v8::FunctionCallbackInfo<v8::Value>& info) {
ScriptVector3* obj = ScriptObject::Unwrap<ScriptVector3>(info.This());
obj->m_vector = glm::normalize(obj->m_vector);
return info.GetReturnValue().Set(info.This());
}
Raw
vector3.h
/**
* A "vector3" class exposed to JS
*/
class ScriptVector3 : public ScriptType<ScriptVector3> {
public:
ScriptVector3();
ScriptVector3(const v8::FunctionCallbackInfo<v8::Value>& info);
~ScriptVector3();
/**
* Initialize this type into V8's scope
*/
static void Initialize(v8::Isolate* isolate, v8::Local<v8::Context> context);
/**
* Accessor functions
*/
static v8::Local<v8::Value> GetX(v8::Isolate* isolate, void* obj);
static v8::Local<v8::Value> GetY(v8::Isolate* isolate, void* obj);
static v8::Local<v8::Value> GetZ(v8::Isolate* isolate, void* obj);
static void SetX(void* obj, v8::Local<v8::Value> value);
static void SetY(void* obj, v8::Local<v8::Value> value);
static void SetZ(void* obj, v8::Local<v8::Value> value);
/**
* Prototype functions
*/
static void Normalize(const v8::FunctionCallbackInfo<v8::Value>& info);
// Get our vector
vector3& GetVector() { return m_vector; }
void SetVector(vector3 vector) { m_vector = vector; }
protected:
// Our internal vector type
vector3 m_vector;
};
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment