#ifndef RENDERABLE_H
#define RENDERABLE_H

#include <QOpenGLShaderProgram>

class Renderable {

protected:

	QOpenGLShaderProgram program;

public:

	/** get the renderable's shader */
	QOpenGLShaderProgram& getProgram() {return program;}

	/** render the renderable */
	void render() {
		program.bind();
		_render();
	}


	virtual void initGL() = 0;

	virtual void _render() = 0;

protected:

	/** helper method to build the shader */
	void loadShader(const QString& vertex, const QString& fragment) {
		if (!program.addShaderFromSourceFile(QOpenGLShader::Vertex, vertex)) {throw "1";}
		if (!program.addShaderFromSourceFile(QOpenGLShader::Fragment, fragment)) {throw "2";}
		if (!program.link()) {throw "3";}
		if (!program.bind()) {throw "4";}
	}

};

#endif // RENDERABLE_H