Changeset 9658 in orxonox.OLD for trunk/src/lib/util

Timestamp:

Aug 7, 2006, 4:23:45 PM (18 years ago)

Author:

bensch

Message:

new smooth-allocator class, this is also a test, to see, if my template experience is good enough for the C++ generic Template Programming Lecture

Location:

trunk/src/lib/util

Files:

• smooth.h (copied) (copied from trunk/src/lib/util/timer.h) (1 diff)
• timer.cc (modified) (2 diffs)
• timer.h (modified) (2 diffs)

trunk/src/lib/util/smooth.h

@@ -1 +1 @@
 
 /*!
- * @file timer.h
- * @brief Definition of Time Class.
- *
- * These are mainly Classes, that are used for wrapping around SDL_thread
+ * @file smooth.h
+ * @brief Definition of Smooth Class.
  */
 
-#ifndef __TIMER_H__
-#define __TIMER_H__
+#ifndef __SMOOTH_H__
+#define __SMOOTH_H__
 
-//! A class to handle time itself
-class Timer
+namespace VariableHandler
 {
-public:
-  static double getNow();
 
 
-};
+  template <typename var_type = float> class LinearIteration
+  {
+    public:
+      static void step(var_type* current, const var_type& fromValue, const var_type& toValue, float stepping);
+      static bool reached(const var_type& current, const var_type& toValue) const;
+  };
 
-#endif /* __TIMER_H__ */
+
+  //! A class to handle smoothness of Variables.
+  /** With this smoothing can be achived for many different types of variables.
+   */
+  template <typename var_type = float, class iteration_type = LinearIteration<var_type> > class Smooth
+  {
+    public:
+      Smooth();
+
+      const var_type& from() const { return _from; }
+      const var_type& current() const { return _current; };
+      const var_type& to() const { return _to; }
+
+      inline void tick(float dt) { if (!iteration_type::reached(_current, _to)) iteration_type::step(&_current, _from, _to, dt); };
+
+    private:
+      var_type     _from;
+      var_type     _current;
+      var_type     _to;
+  };
+}
+#endif /* __SMOOTH_H__ */

trunk/src/lib/util/timer.cc

@@ -3 +3 @@
  * @brief A Timer class, that handles all about time.
  *
- * code taken from audiere.
+ * code borrowed from audiere. http://www.audiere.org
  */
 
@@ -45 +45 @@
     return tv.tv_sec + tv.tv_usec / 1000000.0;
 }
+

trunk/src/lib/util/timer.h

@@ -4 +4 @@
  * @brief Definition of Time Class.
  *
- * These are mainly Classes, that are used for wrapping around SDL_thread
+ * Here is a Class that is for measuring time,
+ * getting the current time, and stepping through time.
+ *
+ * @todo: Implement:
+ * 1. TimeStep
+ * 2. ApproxTimer
+ * 3. Class that handles the time-stepping
+ * 4. Transformations from one time-coding into another:
+ * 5. debug of Timer.
  */
 
@@ -14 +22 @@
 {
 public:
+  Timer();
+  Timer(int time);
+
+  void debug() const;
+
+  /// STATIC PUBLIC MEMBERS
   static double getNow();
 
+  private:
+    double         _lastTime;
+    double         _timeStep;
 
 };