KDE/kdeplasma-addons/applets/bball

[Sujith Haridasan]

SVN commit 999070 by sujithh:

Fixing the Bball getting stuck at the bottom right/left corner.
Added a feature for making the ball bounce even if the ball is 
released from the top right/left corner.

CCMAIL: plasma-devel at kde.org



 M  +24 -4     bball.cpp  
 M  +1 -1      bball.h  


--- trunk/KDE/kdeplasma-addons/applets/bball/bball.cpp #999069:999070
@@ -55,7 +55,10 @@
   m_x_vel(0.0),
   m_y_vel(0.0),
   m_circum_vel(0.0),
-  m_mouse_pressed(false)
+  m_mouse_pressed(false),
+  m_bottom_left(0),
+  m_bottom_right(0),
+  m_bottom(0)
 {
   setHasConfigurationInterface (true);
   //TODO figure out why it is not good enough to set it here
@@ -284,6 +287,7 @@
   m_y_vel *= -m_resitution;
   adjustAngularVelocity( &m_x_vel, m_circum_vel );
   m_circum_vel = m_x_vel;
+  m_bottom=1;
 }
 
 inline void bballApplet::topCollision()
@@ -296,18 +300,31 @@
 
 inline void bballApplet::rightCollision()
 {
-  m_position.moveRight (m_screen.right ());
+  m_position.moveRight (m_screen.right () - 0.1);
   m_x_vel *= -m_resitution;
   adjustAngularVelocity( &m_y_vel, -m_circum_vel );
   m_circum_vel = -m_y_vel;
+  if (m_bottom == 1) 
+  {
+    //kDebug() << "HIT Bottom AND RIGHT";
+    m_x_vel = 0.0;
+    m_bottom=0;
+    m_bottom_right=1;
+  }
 }
 
 inline void bballApplet::leftCollision()
 {
-  m_position.moveLeft (m_screen.left ());
+  m_position.moveLeft (m_screen.left () + 0.1);
   m_x_vel *= -m_resitution;
   adjustAngularVelocity( &m_y_vel, m_circum_vel );
   m_circum_vel = m_y_vel;
+  if (m_bottom == 1) 
+  {
+    //kDebug() << "HIT Bottom AND LEFT";
+    m_bottom=0;
+    m_bottom_left=1;
+  }
 }
 
 inline void bballApplet::checkCollisions()
@@ -319,6 +336,7 @@
   {
     bottomCollision();
     collision = true;
+    kDebug() << "Bottom collision";
   }
 
   //ceiling
@@ -353,6 +371,9 @@
   m_y_vel += m_gravity;
   m_y_vel *= m_friction;
   m_x_vel *= m_friction;
+  if (m_bottom_right == 1 || m_bottom_left == 1) {
+    m_x_vel=0.0;
+  }
 }
 
 inline void bballApplet::moveAndRotateBall()
@@ -364,7 +385,6 @@
 
 void bballApplet::goPhysics ()
 {
-//  kDebug() << "called";
   if ( m_mouse_pressed ) {
     return;
   }
--- trunk/KDE/kdeplasma-addons/applets/bball/bball.h #999069:999070
@@ -75,7 +75,7 @@
   inline void applyPhysics();
   inline void moveAndRotateBall();
 
-  int m_radius, m_old_radius, m_sound_volume, m_overlay_opacity;
+  int m_radius, m_old_radius, m_sound_volume, m_overlay_opacity, m_bottom_left, m_bottom_right, m_bottom;
   QRectF m_position, m_screen, m_pie_size;
   QPointF m_old_mouse, m_mouse;
   qreal m_angle;