Changeset 7986

Timestamp:

Feb 27, 2011, 11:00:06 AM (14 years ago)

Author:

landauf

Message:

• deactivate motion blur shader when blur-strength is 0
• made motion blur configurable
• moved blurStrength config value from [Engine] to [GraphicsSettings]

Location:

code/branches/usability/src/orxonox/items

Files:

• Engine.cc (modified) (4 diffs)
• Engine.h (modified) (2 diffs)

code/branches/usability/src/orxonox/items/Engine.cc

@@ -102 +102 @@
     void Engine::setConfigValues()
     {
-        SetConfigValue(blurStrength_, 3.0f);
+        SetConfigValueExternal(bEnableMotionBlur_, "GraphicsSettings", "enableMotionBlur", true)
+            .description("Enable or disable the motion blur effect when moving very fast")
+            .callback(this, &Engine::changedEnableMotionBlur);
+        SetConfigValueExternal(blurStrength_, "GraphicsSettings", "blurStrength", 3.0f)
+            .description("Defines the strength of the motion blur effect");
     }
 
@@ -204 +208 @@
         this->ship_->setSteeringDirection(Vector3::ZERO);
 
-        if (!this->boostBlur_ && this->ship_->hasLocalController() && this->ship_->hasHumanController())
+        if (this->bEnableMotionBlur_ && !this->boostBlur_ && this->ship_->hasLocalController() && this->ship_->hasHumanController())
         {
             this->boostBlur_ = new Shader(this->ship_->getScene()->getSceneManager());
@@ -211 +215 @@
 
         if (this->boostBlur_ && this->maxSpeedFront_ != 0 && this->boostFactor_ != 1)
-            this->boostBlur_->setParameter(0, 0, "sampleStrength", this->blurStrength_ * clamp((-velocity.z - this->maxSpeedFront_) / ((this->boostFactor_ - 1) * this->maxSpeedFront_), 0.0f, 1.0f));
+        {
+            float blur = this->blurStrength_ * clamp((-velocity.z - this->maxSpeedFront_) / ((this->boostFactor_ - 1) * this->maxSpeedFront_), 0.0f, 1.0f);
+
+            this->boostBlur_->setVisible(blur > 0);
+            this->boostBlur_->setParameter(0, 0, "sampleStrength", blur);
+        }
     }
 
@@ -257 +266 @@
         return this->ship_->getWorldPosition();
     }
+
+    void Engine::changedEnableMotionBlur()
+    {
+        if (!this->bEnableMotionBlur_)
+        {
+            this->boostBlur_->destroy();
+            this->boostBlur_ = 0;
+        }
+    }
 }

code/branches/usability/src/orxonox/items/Engine.h

@@ -127 +127 @@
             void registerVariables();
             void networkcallback_shipID();
+            void changedEnableMotionBlur();
 
             SpaceShip* ship_;
@@ -150 +151 @@
             Shader* boostBlur_;
             float blurStrength_;
+            bool bEnableMotionBlur_;
     };
 }