Changeset 3453 in orxonox.OLD for orxonox/trunk/src

Timestamp:

Mar 3, 2005, 5:56:20 PM (20 years ago)

Author:

bensch

Message:

orxonox/trunk: light: added ability to generate a spot light

Location:

orxonox/trunk/src

Files:

• light.cc (modified) (1 diff)
• light.h (modified) (2 diffs)

orxonox/trunk/src/light.cc

@@ -303 +303 @@
   glLightfv (GL_LIGHT0, GL_AMBIENT, this->ambientColor);
 }
+
+/**
+   \brief stets the direction of the Spot Light.
+   \param direction The direction of the Spot Light.
+*/
+void Light::setSpotDirection(Vector direction)
+{
+  this->currentLight->spotDirection[0] = direction.x;
+  this->currentLight->spotDirection[1] = direction.y;
+  this->currentLight->spotDirection[2] = direction.z;
+
+  glLightfv(lightsV[this->currentLight->lightNumber], GL_SPOT_DIRECTION, this->currentLight->spotDirection);
+}
+
+
+/**
+   \brief sets the cutoff angle of the Light.
+   \param cutoff The cutoff angle.
+*/
+void Light::setSpotCutoff(GLfloat cutoff)
+{
+  this->currentLight->spotCutoff = cutoff;
+  glLightf(lightsV[this->currentLight->lightNumber], GL_SPOT_CUTOFF, cutoff);
+}
+
 
 // get Attributes

orxonox/trunk/src/light.h

@@ -43 +43 @@
     GLfloat specularColor[4];   //!< The specular Color of this Light.
     AttenuationType attenuationType;//!< The AttenuationType of this Light.
-    float attenuationFactor;    //!< the Factor the attenuation should have.
+    float attenuationFactor;    //!< The Factor the attenuation should have.
+    GLfloat spotDirection[4];   //!< The direction of the Spot Light.
+    GLfloat spotCutoff;         //!< The cutoff Angle of the Light Source
   };
 
@@ -73 +75 @@
   void setAttenuation(AttenuationType type, float factor);
   void setAmbientColor(GLfloat r, GLfloat g, GLfloat b);
+  void setSpotDirection(Vector direction);
+  void setSpotCutoff(GLfloat cutoff);
+
   // get Attributes
   Vector getPosition(void);