From 7e8b3b067e71c7467fba587438c1bf7259f7ae6e Mon Sep 17 00:00:00 2001
From: Christoph Sommer <mail@christoph-sommer.de>
Date: Wed, 1 Nov 2006 04:42:29 +0000
Subject: [PATCH] Allow Tux to throw rocks (and lanterns), so he won't hurt
 himself that easily

SVN-Revision: 4432
---
 src/object/rock.cpp | 11 +++++++++--
 src/object/rock.hpp |  1 +
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/object/rock.cpp b/src/object/rock.cpp
index 472e3967a..e5f10b37d 100644
--- a/src/object/rock.cpp
+++ b/src/object/rock.cpp
@@ -64,6 +64,8 @@ Rock::update(float elapsed_time)
   if( grabbed )
     return;
 
+  if (on_ground) physic.set_velocity_x(0);
+
   movement = physic.get_movement(elapsed_time);
 }
 
@@ -104,17 +106,22 @@ void
 Rock::grab(MovingObject& , const Vector& pos, Direction)
 {
   movement = pos - get_pos();
+  last_movement = movement;
   set_group(COLGROUP_DISABLED);
   on_ground = true;
   grabbed = true;
 }
 
 void
-Rock::ungrab(MovingObject& , Direction )
+Rock::ungrab(MovingObject& , Direction dir)
 {
   set_group(COLGROUP_MOVING_STATIC);
   on_ground = false;
-  physic.set_velocity(0, 0);
+  if (last_movement.norm() > 1) {
+    physic.set_velocity((dir == RIGHT) ? 200 : -200, -200);
+  } else {
+    physic.set_velocity(0, 0);
+  }
   grabbed = false;
 }
 
diff --git a/src/object/rock.hpp b/src/object/rock.hpp
index 5bbc5143b..fb1fb0ca0 100644
--- a/src/object/rock.hpp
+++ b/src/object/rock.hpp
@@ -47,6 +47,7 @@ private:
   bool on_ground;
   bool grabbed;
   Physic physic;
+  Vector last_movement;
 };
 
 #endif
-- 
2.11.0