Implemented entity cloning

src/Components/ParticleEmitter.h

@@ -24,6 +24,8 @@ struct ParticleEmitter : Component
 	std::vector<glm::vec3> VelocitySpectrum;
 	std::vector<glm::vec3> AngularVelocitySpectrum;
 
+	virtual ParticleEmitter* Clone() const override { return new ParticleEmitter(*this); }
+
 private:
 	double TimeSinceLastSpawn;
 };