Rulr workshop #1 : example node

MyTestNode.cpp

#include "MyTestNode.h"

#include "ofxDigitalEmulsion/Item/Board.h"

using namespace ofxDigitalEmulsion;

//----------
MyTestNode::MyTestNode() {
	OFXDIGITALEMULSION_NODE_INIT_LISTENER; 
}

//----------
string MyTestNode::getTypeName() const {
	return "MyTestNode";
}

//----------
void MyTestNode::init() {
	OFXDIGITALEMULSION_NODE_INSPECTOR_LISTENER;
	OFXDIGITALEMULSION_NODE_SERIALIZATION_LISTENERS;

	this->addInput<Item::Board>();

	this->x.set("Position x", 0.0f, -10.0f, 10.0f);
}

//----------
void MyTestNode::drawWorld() {
	ofPushStyle();
	ofSetColor(ofColor::red);

	ofPushMatrix();
	ofTranslate(this->x, 0.0f, 0.0f);

	ofSphere(0.5);

	ofPopMatrix();

	ofPopStyle();
}

//----------
ofxCvGui::PanelPtr MyTestNode::getView() {
	auto view = make_shared<ofxCvGui::Panels::Base>();

	view->onDraw += [this](ofxCvGui::DrawArguments & args) {
		ofDrawBitmapString("Hello World", 10, 10);

		auto board = this->getInput<Item::Board>();
		if (board) {
			auto size = board->getSize();
			ofDrawBitmapString(ofToString(size.width) + ", " + ofToString(size.height), 10, 20);
		}  
	};

	return view;
}

//----------
void MyTestNode::populateInspector(ofxCvGui::ElementGroupPtr inspector) {
	auto slider = make_shared<ofxCvGui::Widgets::Slider>(this->x);
	inspector->add(slider);
}

//----------
void MyTestNode::serialize(Json::Value & json) {
	ofxDigitalEmulsion::Utils::Serializable::serialize(x, json);
}

//----------
void MyTestNode::deserialize(const Json::Value & json) {
	ofxDigitalEmulsion::Utils::Serializable::deserialize(x, json);
}

MyTestNode.h

#include "ofxDigitalEmulsion.h"

class MyTestNode : public ofxDigitalEmulsion::Graph::Node {
public:
	MyTestNode();
	string getTypeName() const override;
	void init();
	void drawWorld() override;
	ofxCvGui::PanelPtr getView() override;

	void populateInspector(ofxCvGui::ElementGroupPtr);
	void serialize(Json::Value &);
	void deserialize(const Json::Value &);

	ofParameter<float> x;
};