Added Light Intensity

include/ignition/rendering/Light.hh

@@ -106,6 +106,14 @@ namespace ignition
       /// \brief Specify if this light should cast shadows
       /// \param[in] _castShadows True if this light cast shadows
       public: virtual void SetCastShadows(bool _castShadows) = 0;
+
+      /// \brief Get the light intensity
+      /// \return The light intensity
+      public: virtual double Intensity() const = 0;
+
+      /// \brief Set the light intensity
+      /// \param[in] _intensity New light intensity
+      public: virtual void SetIntensity(double _intensity) = 0;
     };
 
     /// \class DirectionalLight Light.hh ignition/rendering/Light.hh

include/ignition/rendering/base/BaseLight.hh

@@ -148,6 +148,7 @@ namespace ignition
       this->SetAttenuationQuadratic(0);
       this->SetAttenuationRange(100);
       this->SetCastShadows(true);
+      this->SetIntensity(1.0);
     }
 
     //////////////////////////////////////////////////

ogre/include/ignition/rendering/ogre/OgreLight.hh

@@ -67,6 +67,12 @@ namespace ignition
 
       public: virtual void SetCastShadows(bool _castShadows);
 
+      // Documentation Inherited
+      public: virtual double Intensity() const override;
+
+      // Documentation Inherited
+      public: virtual void SetIntensity(double _intensity) override;
+
       public: virtual Ogre::Light *Light() const;
 
       public: virtual void Destroy();

ogre/src/OgreLight.cc

@@ -118,6 +118,18 @@ void OgreLight::SetAttenuationRange(double _range)
   this->UpdateAttenuation();
 }
 
+//////////////////////////////////////////////////
+double OgreLight::Intensity() const
+{
+  return this->ogreLight->getPowerScale();
+}
+
+//////////////////////////////////////////////////
+void OgreLight::SetIntensity(double _intensity)
+{
+  this->ogreLight->setPowerScale(_intensity);
+}
+
 //////////////////////////////////////////////////
 bool OgreLight::CastShadows() const
 {

ogre2/include/ignition/rendering/ogre2/Ogre2Light.hh

@@ -89,6 +89,12 @@ namespace ignition
       // Documentation Inherited
       public: virtual void SetCastShadows(bool _castShadows) override;
 
+      // Documentation Inherited
+      public: virtual double Intensity() const override;
+
+      // Documentation Inherited
+      public: virtual void SetIntensity(double _intensity) override;
+
       /// \brief Get a pointer to ogre light
       public: virtual Ogre::Light *Light() const;
 

ogre2/src/Ogre2Light.cc

@@ -123,6 +123,18 @@ void Ogre2Light::SetAttenuationRange(double _range)
   this->UpdateAttenuation();
 }
 
+//////////////////////////////////////////////////
+double Ogre2Light::Intensity() const
+{
+  return this->ogreLight->getPowerScale();
+}
+
+//////////////////////////////////////////////////
+void Ogre2Light::SetIntensity(double _intensity)
+{
+  this->ogreLight->setPowerScale(_intensity * Ogre::Math::PI);
+}
+
 //////////////////////////////////////////////////
 bool Ogre2Light::CastShadows() const
 {

src/Light_TEST.cc

@@ -74,6 +74,10 @@ void LightTest::Light(const std::string &_renderEngine)
   light->SetCastShadows(false);
   EXPECT_FALSE(light->CastShadows());
 
+  // intensity
+  light->SetIntensity(1.25);
+  EXPECT_DOUBLE_EQ(1.25, light->Intensity());
+
   // attenuation
   // Checking near because Ogre stores it as float
   light->SetAttenuationConstant(0.6);