Changeset 3636 in orxonox.OLD for orxonox/trunk/src/camera.cc

Timestamp:

Mar 23, 2005, 12:46:37 AM (20 years ago)

Author:

bensch

Message:

orxonox/trunk: functions to set gluPerspective-options

File:

• orxonox/trunk/src/camera.cc (modified) (3 diffs)

orxonox/trunk/src/camera.cc

@@ -34 +34 @@
 {
   this->target = new CameraTarget();
+
+  this->setFovy(60);
+  this->setAspectRatio(1.2f);
+  this->setClipRegion(.1, 2000);
 }
 
@@ -58 +62 @@
 }
 
+
+/**
+   \brief sets a new AspectRatio
+   \param aspectRatio the new aspect ratio to set (width / height)
+*/
+void Camera::setAspectRatio(float aspectRatio)
+{
+  this->aspectRatio = aspectRatio;
+}
+
+/**
+   \brief sets the Field of View to fofy
+   \param fovy new field of view factor (in degrees)
+*/
+void Camera::setFovy(float fovy)
+{
+  this->fovy = fovy;
+}
+
+/**
+  \brief Sets a new clipping region
+  \param nearClip The near clip plane
+  \param farClip The far clip plane
+*/
+void Camera::setClipRegion(float nearClip, float farClip)
+{
+  this->nearClip = nearClip;
+  this->farClip = farClip;
+}
+
+
+
+
 /**
    \brief initialize rendering perspective according to this camera
@@ -66 +103 @@
 void Camera::apply ()
 {
+  // switching to Projection Matrix
   glMatrixMode (GL_PROJECTION);
   glLoadIdentity ();
 
-  gluPerspective(60, 1.2f, 0.1, 2000);
-  float matrix[4][4];
+  // setting up the perspective
+  gluPerspective(this->fovy,
+                 this->aspectRatio,
+                 this->nearClip,
+                 this->farClip);
 
+  // speed-up feature
   Vector cameraPosition = this->getAbsCoor();
   Vector targetPosition = this->target->getAbsCoor();
 
+  // Setting the Camera Eye, lookAt and up Vectors
   gluLookAt(cameraPosition.x, cameraPosition.y, cameraPosition.z,
             targetPosition.x, targetPosition.y, targetPosition.z,
             0.0, 1.0, 0.0);
+
+  // switching back to Modeling Matrix
   glMatrixMode (GL_MODELVIEW);
-  glLoadIdentity ();
 }