Changeset 4281 for OpenSceneGraph/trunk/examples/osgcatch/osgcatch.cpp

Timestamp:

05/21/05 23:19:11 (8 years ago)

Author:

robert

Message:

Added support for multiple levels, and exit on lose of all lives or on finishng
the highest level.

Files:

• OpenSceneGraph/trunk/examples/osgcatch/osgcatch.cpp (modified) (14 diffs)

OpenSceneGraph/trunk/examples/osgcatch/osgcatch.cpp

@@ -53 +53 @@
     void reset();
 
+    void resetCatches();
+
     bool addCatch();
+    
     bool looseLife();
 
@@ -222 +225 @@
 }
 
+void Character::resetCatches()
+{
+    _numCatches = 0;
+    _catchSwitch->setAllChildrenOff();
+}
+
 bool Character::addCatch()
 {
@@ -234 +243 @@
 bool Character::looseLife()
 {
-    if (!_livesSwitch || _numLives==0) return true;
+    if (!_livesSwitch || _numLives==0) return false;
     
     --_numLives;
     _livesSwitch->setValue(_numLives,false);
     
-    return (_numLives==0);
+    return (_numLives!=0);
 }
 
@@ -505 +514 @@
     float getFOVY() const { return _fovy; }
     
-    void setBackground(const std::string& background) { _backgroundImageFile = background; }
-    
     void createNewCatchable();
+    
+    void resetLevel()
+    {
+        _level = 0;
+        _levelSwitch->setSingleChildOn(_level);
+    }
+    
+    void nextLevel()
+    {
+        ++_level;
+        if (_level < _levelSwitch->getNumChildren())
+        {
+            _levelSwitch->setSingleChildOn(_level);
+        }
+    }
+    
+    bool gameComplete()
+    {
+        return _level >= _levelSwitch->getNumChildren();
+    }
 
     enum Players
@@ -574 +601 @@
     
     float _fovy;
-    
-    std::string _backgroundImageFile;
-
+
+    unsigned _level;
+    
+    float _chanceOfExplodingAtStart;
+    float _initialNumDropsPerSecond;
+    
     osg::ref_ptr<osg::Group> _group;
+    osg::ref_ptr<osg::Switch> _levelSwitch;
     
     unsigned int _numberOfPlayers;
@@ -589 +620 @@
 
     bool _leftKeyPressed;
-    bool _rightKeyPressed;    
+    bool _rightKeyPressed;
+    
         
 };
@@ -605 +637 @@
     _characterSize = _width.length()*0.2f;
 
-    _backgroundImageFile = "Catch/farm.JPG";
-    
     _numberOfPlayers = 0;
+    _level = 0;
+
+    _chanceOfExplodingAtStart = 0.1f;
+    _initialNumDropsPerSecond = 1.0f;
 
     _leftKeyPressed=false;
     _rightKeyPressed=false;
 
-    _backgroundFiles.push_back("Catch/farm.JPG");
     _backgroundFiles.push_back("Catch/sky1.JPG");
     _backgroundFiles.push_back("Catch/sky2.JPG");
     _backgroundFiles.push_back("Catch/sky3.JPG");
+    _backgroundFiles.push_back("Catch/farm.JPG");
 
     _benignCatachables.push_back("Catch/a.png");
@@ -669 +703 @@
                         if ((*itr)->anyInside(_players[i].getLowerLeft(),_players[i].getUpperRight()))
                         {
-                            _players[i].looseLife();
+                            if (!_players[i].looseLife())
+                            {
+                                std::cout<<"Ouch you lost all your lives, Game Over!!"<<std::endl;
+                                exit(0);
+                            }
                             removeEntry = true;
                         }
@@ -677 +715 @@
                         if ((*itr)->centerInside(_players[i].getCurrentCenterOfBasket(),_players[i].getCurrentRadiusOfBasket()))
                         {
-                            _players[i].addCatch();
+                            if (!_players[i].addCatch())
+                            {
+                                _players[i].resetCatches();
+                                nextLevel();
+                                if (gameComplete())
+                                {
+                                    std::cout<<"Congratulations you've completed the game!!"<<std::endl;
+                                    exit(0);
+                                }
+                            }
+                            
+                            
                             removeEntry = true;
                         }
@@ -701 +750 @@
                     itr = _catchableObjects.erase(itr);
 
-                    createNewCatchable();
-
                 }
                 else if ((*itr)->anyInside(_origin, _origin+_width) && !(*itr)->stopped())
@@ -713 +760 @@
                 
             }
-                    
+             
+
+            // create new catchable objects
+            static double previousTime = ea.time();
+            double deltaTime = ea.time()-previousTime;
+            previousTime = ea.time();
+            
+            float numDropsPerSecond = _initialNumDropsPerSecond * (_level+1);
+            float r = (float)rand()/(float)RAND_MAX;
+            if (r < deltaTime*numDropsPerSecond)
+            { 
+                createNewCatchable();
+            }
+
+
+
         }
         case(osgGA::GUIEventAdapter::KEYDOWN):
@@ -795 +857 @@
     }    
     
-    createNewCatchable();
-    createNewCatchable();
-    createNewCatchable();
-    createNewCatchable();
-
     // background
     {
-        osg::Image* image = osgDB::readImageFile(_backgroundImageFile);
-        if (image)
-        {
-            osg::Geometry* geometry = osg::createTexturedQuadGeometry(_origin,_width,_height);
-            osg::StateSet* stateset = geometry->getOrCreateStateSet();
-            stateset->setTextureAttributeAndModes(0,new osg::Texture2D(image),osg::StateAttribute::ON);
-            
-            osg::Geode* geode = new osg::Geode;
-            geode->addDrawable(geometry);
-
-            _group->addChild(geode);
-            
-        }
+        _levelSwitch = new osg::Switch;
+        
+        for(FileList::const_iterator itr = _backgroundFiles.begin();
+            itr != _backgroundFiles.end();
+            ++itr)
+        {
+
+            osg::Image* image = osgDB::readImageFile(*itr);
+            if (image)
+            {
+                osg::Geometry* geometry = osg::createTexturedQuadGeometry(_origin,_width,_height);
+                osg::StateSet* stateset = geometry->getOrCreateStateSet();
+                stateset->setTextureAttributeAndModes(0,new osg::Texture2D(image),osg::StateAttribute::ON);
+
+                osg::Geode* geode = new osg::Geode;
+                geode->addDrawable(geometry);
+
+                _levelSwitch->addChild(geode);
+            }
+        }
+        _levelSwitch->setSingleChildOn(0);
+        _group->addChild(_levelSwitch.get());
     }
 
@@ -841 +907 @@
     _catchableObjects.push_back(catchableObject);
 
-    // catchableObject->explode();
+    float r = (float)rand() / (float)RAND_MAX;
+    if (r < _chanceOfExplodingAtStart)
+    {
+       catchableObject->explode(); 
+    }
 
     _group->addChild(catchableObject->_object.get());
@@ -872 +942 @@
     viewer.getEventHandlerList().push_front(seh);
 
-    std::string filename;
-    if (arguments.read("-b",filename))
-    {
-        seh->setBackground(filename);
-    }
-
-
     while (arguments.read("--boy")) seh->addPlayer(GameEventHandler::PLAYER_BOY);
     while (arguments.read("--girl")) seh->addPlayer(GameEventHandler::PLAYER_GIRL);