examples/new-window/new-window-example.cpp

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 // EXTERNAL INCLUDES
  18 #include <dali/devel-api/images/texture-set-image.h>
  19 #include <dali/devel-api/rendering/renderer.h>
  20 #include <dali-toolkit/dali-toolkit.h>
  21 #include <dali-toolkit/devel-api/controls/bubble-effect/bubble-emitter.h>
  22
  23 #include <cstdio>
  24 #include <iostream>
  25
  26 // INTERNAL INCLUDES
  27 #include "shared/view.h"
  28 #include "shared/utility.h"
  29
  30 using namespace Dali;
  31 using namespace Dali::Toolkit;
  32
  33 class NewWindowController;
  34
  35 namespace
  36 {
  37 const char * const BACKGROUND_IMAGE( DEMO_IMAGE_DIR "background-2.jpg" );
  38 const char * const TOOLBAR_IMAGE( DEMO_IMAGE_DIR "top-bar.png" );
  39 const char * const LOSE_CONTEXT_IMAGE( DEMO_IMAGE_DIR "icon-cluster-wobble.png" );
  40 const char * const LOSE_CONTEXT_IMAGE_SELECTED( DEMO_IMAGE_DIR "icon-cluster-wobble-selected.png" );
  41 const char * const BASE_IMAGE( DEMO_IMAGE_DIR "gallery-large-14.jpg" );
  42 const char * const EFFECT_IMAGE( DEMO_IMAGE_DIR "gallery-large-18.jpg" );
  43 const char * const LOGO_IMAGE(DEMO_IMAGE_DIR "dali-logo.png");
  44
  45 const float EXPLOSION_DURATION(1.2f);
  46 const unsigned int EMIT_INTERVAL_IN_MS(40);
  47 const float TRACK_DURATION_IN_MS(970);
  48
  49 Application gApplication;
  50 NewWindowController* gNewWindowController(NULL);
  51
  52 #define MAKE_SHADER(A)#A
  53
  54 const char* VERTEX_COLOR_MESH = MAKE_SHADER(
  55 attribute mediump vec3  aPosition;\n
  56 attribute lowp    vec3  aColor;\n
  57 uniform   mediump mat4  uMvpMatrix;\n
  58 uniform   mediump vec3  uSize;\n
  59 varying   lowp    vec3  vColor;\n
  60 \n
  61 void main()\n
  62 {\n
  63   gl_Position = uMvpMatrix * vec4( aPosition*uSize, 1.0 );\n
  64   vColor = aColor;\n
  65 }\n
  66 );
  67
  68 const char* FRAGMENT_COLOR_MESH = MAKE_SHADER(
  69 uniform lowp vec4  uColor;\n
  70 varying lowp vec3  vColor;\n
  71 \n
  72 void main()\n
  73 {\n
  74   gl_FragColor = vec4(vColor,1.0)*uColor;
  75 }\n
  76 );
  77
  78 const char* VERTEX_TEXTURE_MESH = MAKE_SHADER(
  79 attribute mediump vec3  aPosition;\n
  80 attribute highp   vec2  aTexCoord;\n
  81 uniform   mediump mat4  uMvpMatrix;\n
  82 uniform   mediump vec3  uSize;\n
  83 varying   mediump vec2  vTexCoord;\n
  84 \n
  85 void main()\n
  86 {\n
  87   gl_Position = uMvpMatrix * vec4( aPosition*uSize, 1.0 );\n
  88   vTexCoord = aTexCoord;\n
  89 }\n
  90 );
  91
  92 const char* FRAGMENT_TEXTURE_MESH = MAKE_SHADER(
  93 varying mediump vec2  vTexCoord;\n
  94 uniform lowp    vec4  uColor;\n
  95 uniform sampler2D     sTexture;\n
  96 \n
  97 void main()\n
  98 {\n
  99   gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;
 100 }\n
 101 );
 102
 103 const char* FRAGMENT_BLEND_SHADER = MAKE_SHADER(
 104 varying mediump vec2  vTexCoord;\n
 105 uniform sampler2D sTexture;\n
 106 uniform sampler2D sEffect;\n
 107 uniform mediump float alpha;\n
 108 \n
 109 void main()\n
 110 {\n
 111   mediump vec4 fragColor = texture2D(sTexture, vTexCoord);\n
 112   mediump vec4 fxColor   = texture2D(sEffect, vTexCoord);\n
 113   gl_FragColor = mix(fragColor,fxColor, alpha);\n
 114 }\n
 115 );
 116
 117 }; // anonymous namespace
 118
 119
 120 class NewWindowController : public ConnectionTracker
 121 {
 122 public:
 123   NewWindowController( Application& app );
 124   void Create( Application& app );
 125   void Destroy( Application& app );
 126
 127   void AddBubbles( Actor& parentActor, const Vector2& stageSize);
 128   void AddMeshActor( Actor& parentActor );
 129   void AddBlendingImageActor( Actor& parentActor );
 130   void AddTextLabel( Actor& parentActor );
 131
 132   ImageView CreateBlurredMirrorImage(const char* imageName);
 133   FrameBufferImage CreateFrameBufferForImage( const char* imageName, Property::Map& shaderEffect, const Vector3& rgbDelta );
 134   void SetUpBubbleEmission( const Vector2& emitPosition, const Vector2& direction );
 135   Geometry CreateMeshGeometry();
 136   Dali::Property::Map CreateColorModifierer();
 137
 138   static void NewWindow(void);
 139
 140   bool OnTrackTimerTick();
 141   void OnKeyEvent(const KeyEvent& event);
 142   bool OnLoseContextButtonClicked( Toolkit::Button button );
 143   void OnContextLost();
 144   void OnContextRegained();
 145
 146 private:
 147   Application                mApplication;
 148   TextLabel                  mTextActor;
 149
 150   Toolkit::Control           mView;                              ///< The View instance.
 151   Toolkit::ToolBar           mToolBar;                           ///< The View's Toolbar.
 152   TextLabel                  mTitleActor;                        ///< The Toolbar's Title.
 153   Layer                      mContentLayer;                      ///< Content layer (scrolling cluster content)
 154   Toolkit::PushButton        mLoseContextButton;
 155
 156   Toolkit::BubbleEmitter     mEmitter;
 157   Timer                      mEmitTrackTimer;
 158   bool                       mNeedNewAnimation;
 159   unsigned int               mAnimateComponentCount;
 160   Animation                  mEmitAnimation;
 161 };
 162
 163
 164 NewWindowController::NewWindowController( Application& application )
 165 : mApplication(application),
 166   mNeedNewAnimation(true)
 167 {
 168   mApplication.InitSignal().Connect(this, &NewWindowController::Create);
 169   mApplication.TerminateSignal().Connect(this, &NewWindowController::Destroy);
 170 }
 171
 172 void NewWindowController::Create( Application& app )
 173 {
 174   Stage stage = Stage::GetCurrent();
 175   stage.SetBackgroundColor(Color::YELLOW);
 176
 177   stage.KeyEventSignal().Connect(this, &NewWindowController::OnKeyEvent);
 178
 179   // The Init signal is received once (only) during the Application lifetime
 180
 181   // Hide the indicator bar
 182   mApplication.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
 183
 184   mContentLayer = DemoHelper::CreateView( app,
 185                                           mView,
 186                                           mToolBar,
 187                                           "",
 188                                           TOOLBAR_IMAGE,
 189                                           "Context recovery" );
 190
 191   Size stageSize = stage.GetSize();
 192   ImageView backgroundActor = ImageView::New( BACKGROUND_IMAGE, Dali::ImageDimensions( stageSize.x, stageSize.y ) );
 193   backgroundActor.SetParentOrigin( ParentOrigin::CENTER );
 194   mContentLayer.Add(backgroundActor);
 195
 196   // Point the default render task at the view
 197   RenderTaskList taskList = stage.GetRenderTaskList();
 198   RenderTask defaultTask = taskList.GetTask( 0u );
 199   if ( defaultTask )
 200   {
 201     defaultTask.SetSourceActor( mView );
 202   }
 203
 204   mLoseContextButton = Toolkit::PushButton::New();
 205   mLoseContextButton.SetUnselectedImage( LOSE_CONTEXT_IMAGE );
 206   mLoseContextButton.SetSelectedImage( LOSE_CONTEXT_IMAGE_SELECTED );
 207   mLoseContextButton.ClickedSignal().Connect( this, &NewWindowController::OnLoseContextButtonClicked );
 208   mToolBar.AddControl( mLoseContextButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
 209
 210   Actor logoLayoutActor = Actor::New();
 211   logoLayoutActor.SetParentOrigin(ParentOrigin::CENTER);
 212   logoLayoutActor.SetPosition(0.0f, -200.0f, 0.0f);
 213   logoLayoutActor.SetScale(0.5f);
 214   backgroundActor.Add(logoLayoutActor);
 215
 216   ImageView imageView = ImageView::New( LOGO_IMAGE );
 217   imageView.SetName("daliLogo");
 218   imageView.SetParentOrigin(ParentOrigin::CENTER);
 219   imageView.SetAnchorPoint(AnchorPoint::BOTTOM_CENTER);
 220   logoLayoutActor.Add(imageView);
 221
 222   ImageView mirrorImageView = CreateBlurredMirrorImage(LOGO_IMAGE);
 223   mirrorImageView.SetParentOrigin(ParentOrigin::TOP_CENTER);
 224   mirrorImageView.SetAnchorPoint(AnchorPoint::BOTTOM_CENTER);
 225   logoLayoutActor.Add(mirrorImageView);
 226
 227   AddBubbles( backgroundActor, stage.GetSize());
 228   AddMeshActor( backgroundActor );
 229   AddBlendingImageActor( backgroundActor );
 230   AddTextLabel( backgroundActor );
 231
 232   stage.ContextLostSignal().Connect(this, &NewWindowController::OnContextLost);
 233   stage.ContextRegainedSignal().Connect(this, &NewWindowController::OnContextRegained);
 234 }
 235
 236 void NewWindowController::Destroy( Application& app )
 237 {
 238   UnparentAndReset(mTextActor);
 239 }
 240
 241 void NewWindowController::AddBubbles( Actor& parentActor, const Vector2& stageSize)
 242 {
 243   mEmitter = Toolkit::BubbleEmitter::New( stageSize,
 244                                           DemoHelper::LoadImage( DEMO_IMAGE_DIR "bubble-ball.png" ),
 245                                           200, Vector2( 5.0f, 5.0f ) );
 246
 247   Image background = DemoHelper::LoadImage(BACKGROUND_IMAGE);
 248   mEmitter.SetBackground( background, Vector3(0.5f, 0.f,0.5f) );
 249   mEmitter.SetBubbleDensity( 9.f );
 250   Actor bubbleRoot = mEmitter.GetRootActor();
 251   parentActor.Add( bubbleRoot );
 252   bubbleRoot.SetParentOrigin(ParentOrigin::CENTER);
 253   bubbleRoot.SetZ(0.1f);
 254
 255   mEmitTrackTimer = Timer::New( EMIT_INTERVAL_IN_MS );
 256   mEmitTrackTimer.TickSignal().Connect(this, &NewWindowController::OnTrackTimerTick);
 257   mEmitTrackTimer.Start();
 258 }
 259
 260 void NewWindowController::AddMeshActor( Actor& parentActor )
 261 {
 262   Geometry meshGeometry = CreateMeshGeometry();
 263
 264   // Create a coloured mesh
 265   Shader shaderColorMesh = Shader::New( VERTEX_COLOR_MESH, FRAGMENT_COLOR_MESH );
 266   Renderer colorMeshRenderer = Renderer::New( meshGeometry, shaderColorMesh );
 267
 268   Actor colorMeshActor = Actor::New();
 269   colorMeshActor.AddRenderer( colorMeshRenderer );
 270   colorMeshActor.SetSize( 175.f,175.f, 175.f );
 271   colorMeshActor.SetParentOrigin( ParentOrigin::CENTER );
 272   colorMeshActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 273   colorMeshActor.SetPosition(Vector3(0.0f, 50.0f, 0.0f));
 274   colorMeshActor.SetOrientation( Degree(75.f), Vector3::XAXIS );
 275   colorMeshActor.SetName("ColorMeshActor");
 276
 277  // Create a textured mesh
 278   Texture effectTexture = DemoHelper::LoadTexture(EFFECT_IMAGE);
 279   Shader shaderTextureMesh = Shader::New( VERTEX_TEXTURE_MESH, FRAGMENT_TEXTURE_MESH );
 280   TextureSet textureSet = TextureSet::New();
 281   textureSet.SetTexture( 0u, effectTexture );
 282   Renderer textureMeshRenderer = Renderer::New( meshGeometry, shaderTextureMesh );
 283   textureMeshRenderer.SetTextures( textureSet );
 284
 285   Actor textureMeshActor = Actor::New();
 286   textureMeshActor.AddRenderer( textureMeshRenderer );
 287   textureMeshActor.SetSize( 175.f,175.f, 175.f );
 288   textureMeshActor.SetParentOrigin( ParentOrigin::CENTER );
 289   textureMeshActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 290   textureMeshActor.SetPosition(Vector3(0.0f, 200.0f, 0.0f));
 291   textureMeshActor.SetOrientation( Degree(75.f), Vector3::XAXIS );
 292   textureMeshActor.SetName("TextureMeshActor");
 293
 294   Layer layer3d = Layer::New();
 295   layer3d.SetParentOrigin( ParentOrigin::CENTER );
 296   layer3d.SetAnchorPoint( AnchorPoint::CENTER );
 297   layer3d.SetBehavior(Layer::LAYER_3D);
 298
 299   layer3d.Add( colorMeshActor );
 300   layer3d.Add( textureMeshActor );
 301   parentActor.Add(layer3d);
 302 }
 303
 304 void NewWindowController::AddBlendingImageActor( Actor& parentActor )
 305 {
 306   Property::Map colorModifier = CreateColorModifierer();
 307
 308   FrameBufferImage fb2 = CreateFrameBufferForImage( EFFECT_IMAGE, colorModifier, Vector3( 0.5f, 0.5f, 0.5f ) );
 309
 310   ImageView tmpActor = ImageView::New(fb2);
 311   parentActor.Add(tmpActor);
 312   tmpActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 313   tmpActor.SetAnchorPoint(AnchorPoint::TOP_RIGHT);
 314   tmpActor.SetPosition(Vector3(0.0f, 150.0f, 0.0f));
 315   tmpActor.SetScale(0.25f);
 316
 317   // create blending shader effect
 318   Property::Map customShader;
 319   customShader[ "fragmentShader" ] = FRAGMENT_BLEND_SHADER;
 320   Property::Map map;
 321   map[ "shader" ] = customShader;
 322
 323   ImageView blendActor = ImageView::New( BASE_IMAGE );
 324   blendActor.SetProperty( ImageView::Property::IMAGE, map );
 325   blendActor.RegisterProperty( "alpha", 0.5f );
 326
 327   blendActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 328   blendActor.SetAnchorPoint(AnchorPoint::BOTTOM_RIGHT);
 329   blendActor.SetPosition(Vector3(0.0f, 100.0f, 0.0f));
 330   blendActor.SetSize(140, 140);
 331   parentActor.Add(blendActor);
 332
 333   TextureSet textureSet = blendActor.GetRendererAt(0u).GetTextures();
 334   TextureSetImage( textureSet, 1u, fb2 );
 335 }
 336
 337 void NewWindowController::AddTextLabel( Actor& parentActor )
 338 {
 339   mTextActor = TextLabel::New("Some text");
 340   mTextActor.SetParentOrigin(ParentOrigin::CENTER);
 341   mTextActor.SetColor(Color::RED);
 342   mTextActor.SetName("PushMe text");
 343   parentActor.Add( mTextActor );
 344 }
 345
 346 ImageView NewWindowController::CreateBlurredMirrorImage(const char* imageName)
 347 {
 348   Image image = DemoHelper::LoadImage(imageName);
 349
 350   Vector2 FBOSize = Vector2( image.GetWidth(), image.GetHeight() );
 351   FrameBufferImage fbo = FrameBufferImage::New( FBOSize.width, FBOSize.height, Pixel::RGBA8888);
 352
 353   GaussianBlurView gbv = GaussianBlurView::New(5, 2.0f, Pixel::RGBA8888, 0.5f, 0.5f, true);
 354   gbv.SetBackgroundColor(Color::TRANSPARENT);
 355   gbv.SetUserImageAndOutputRenderTarget( image, fbo );
 356   gbv.SetSize(FBOSize);
 357   Stage::GetCurrent().Add(gbv);
 358   gbv.ActivateOnce();
 359
 360   ImageView blurredActor = ImageView::New(fbo);
 361   blurredActor.SetSize(FBOSize);
 362   blurredActor.SetScale(1.0f, -1.0f, 1.0f);
 363   return blurredActor;
 364 }
 365
 366 FrameBufferImage NewWindowController::CreateFrameBufferForImage(const char* imageName, Property::Map& shaderEffect, const Vector3& rgbDelta )
 367 {
 368   Stage stage = Stage::GetCurrent();
 369   Uint16Pair intFboSize = ResourceImage::GetImageSize( imageName );
 370   Vector2 FBOSize = Vector2(intFboSize.GetWidth(), intFboSize.GetHeight());
 371
 372   FrameBufferImage framebuffer = FrameBufferImage::New(FBOSize.x, FBOSize.y );
 373
 374   RenderTask renderTask = stage.GetRenderTaskList().CreateTask();
 375
 376   ImageView imageView = ImageView::New( imageName );
 377   imageView.SetName("Source image actor");
 378   imageView.SetProperty( ImageView::Property::IMAGE, shaderEffect );
 379   imageView.RegisterProperty( "uRGBDelta", rgbDelta );
 380
 381   imageView.SetParentOrigin(ParentOrigin::CENTER);
 382   imageView.SetAnchorPoint(AnchorPoint::CENTER);
 383   imageView.SetScale(1.0f, -1.0f, 1.0f);
 384   stage.Add(imageView); // Not in default image view
 385
 386   CameraActor cameraActor = CameraActor::New(FBOSize);
 387   cameraActor.SetParentOrigin(ParentOrigin::CENTER);
 388   cameraActor.SetFieldOfView(Math::PI*0.25f);
 389   cameraActor.SetNearClippingPlane(1.0f);
 390   cameraActor.SetAspectRatio(FBOSize.width / FBOSize.height);
 391   cameraActor.SetType(Dali::Camera::FREE_LOOK); // camera orientation based solely on actor
 392   cameraActor.SetPosition(0.0f, 0.0f, ((FBOSize.height * 0.5f) / tanf(Math::PI * 0.125f)));
 393   stage.Add(cameraActor);
 394
 395   renderTask.SetSourceActor(imageView);
 396   renderTask.SetInputEnabled(false);
 397   renderTask.SetTargetFrameBuffer(framebuffer);
 398   renderTask.SetCameraActor( cameraActor );
 399   renderTask.SetClearColor( Color::TRANSPARENT );
 400   renderTask.SetClearEnabled( true );
 401   renderTask.SetRefreshRate(RenderTask::REFRESH_ONCE);
 402
 403   return framebuffer;
 404 }
 405
 406 void NewWindowController::SetUpBubbleEmission( const Vector2& emitPosition, const Vector2& direction)
 407 {
 408   if( mNeedNewAnimation )
 409   {
 410     float duration = Random::Range(1.f, 1.5f);
 411     mEmitAnimation = Animation::New( duration );
 412     mNeedNewAnimation = false;
 413     mAnimateComponentCount = 0;
 414   }
 415
 416   mEmitter.EmitBubble( mEmitAnimation, emitPosition, direction, Vector2(10,10) );
 417
 418   mAnimateComponentCount++;
 419
 420   if( mAnimateComponentCount % 6 ==0 )
 421   {
 422     mEmitAnimation.Play();
 423     mNeedNewAnimation = true;
 424   }
 425 }
 426
 427 Geometry NewWindowController::CreateMeshGeometry()
 428 {
 429   // Create vertices and specify their color
 430   struct Vertex
 431   {
 432     Vector3 position;
 433     Vector2 textureCoordinates;
 434     Vector3 color;
 435   };
 436
 437   Vertex vertexData[5] = {
 438     { Vector3(  0.0f,  0.0f, 0.5f ), Vector2(0.5f, 0.5f), Vector3(1.0f, 1.0f, 1.0f) },
 439     { Vector3( -0.5f, -0.5f, 0.0f ), Vector2(0.0f, 0.0f), Vector3(1.0f, 0.0f, 0.0f) },
 440     { Vector3(  0.5f, -0.5f, 0.0f ), Vector2(1.0f, 0.0f), Vector3(1.0f, 1.0f, 0.0f) },
 441     { Vector3( -0.5f,  0.5f, 0.0f ), Vector2(0.0f, 1.0f), Vector3(0.0f, 1.0f, 0.0f) },
 442     { Vector3(  0.5f,  0.5f, 0.0f ), Vector2(1.0f, 1.0f), Vector3(0.0f, 0.0f, 1.0f) }  };
 443
 444   Property::Map vertexFormat;
 445   vertexFormat["aPosition"] = Property::VECTOR3;
 446   vertexFormat["aTexCoord"] = Property::VECTOR2;
 447   vertexFormat["aColor"] = Property::VECTOR3;
 448   PropertyBuffer vertices = PropertyBuffer::New( vertexFormat );
 449   vertices.SetData( vertexData, 5 );
 450
 451   // Specify all the faces
 452   unsigned short indexData[12] = { 0,1,3,0,2,4,0,3,4,0,2,1 };
 453
 454   // Create the geometry object
 455   Geometry geometry = Geometry::New();
 456   geometry.AddVertexBuffer( vertices );
 457   geometry.SetIndexBuffer( &indexData[0], 12 );
 458
 459   return geometry;
 460 }
 461
 462 Dali::Property::Map NewWindowController::CreateColorModifierer()
 463 {
 464  const char* fragmentShader ( DALI_COMPOSE_SHADER (
 465    precision highp float;\n
 466    uniform vec3 uRGBDelta;\n
 467    uniform float uIgnoreAlpha;\n
 468    \n
 469    varying mediump vec2 vTexCoord;\n
 470    uniform sampler2D sTexture;\n
 471    \n
 472    float rand(vec2 co) \n
 473    {\n
 474      return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453); \n}
 475    \n
 476    void main() {\n
 477      vec4 color = texture2D(sTexture, vTexCoord); \n
 478      // modify the hsv Value
 479      color.rgb += uRGBDelta * rand(vTexCoord); \n
 480      // if the new vale exceeds one, then decrease it
 481      color.rgb -= max(color.rgb*2.0 - vec3(2.0), 0.0);\n
 482      // if the new vale drops below zero, then increase it
 483      color.rgb -= min(color.rgb*2.0, 0.0);\n
 484      gl_FragColor = color; \n
 485    }\n
 486  ) );
 487
 488  Property::Map map;
 489  Property::Map customShader;
 490  customShader[ "fragmentShader" ] = fragmentShader;
 491  map[ "shader" ] = customShader;
 492
 493  return map;
 494 }
 495
 496 void NewWindowController::NewWindow(void)
 497 {
 498   PositionSize posSize(0, 0, 720, 1280);
 499   gApplication.ReplaceWindow(posSize, "NewWindow"); // Generates a new window
 500 }
 501
 502 bool NewWindowController::OnLoseContextButtonClicked( Toolkit::Button button )
 503 {
 504   // Add as an idle callback to avoid ProcessEvents being recursively called.
 505   mApplication.AddIdle( MakeCallback( NewWindowController::NewWindow ) );
 506   return true;
 507 }
 508
 509 bool NewWindowController::OnTrackTimerTick()
 510 {
 511   static int time=0;
 512   const float radius(250.0f);
 513
 514   time += EMIT_INTERVAL_IN_MS;
 515   float modTime = time / TRACK_DURATION_IN_MS;
 516   float angle = 2.0f*Math::PI*modTime;
 517
 518   Vector2 position(radius*cosf(angle), radius*-sinf(angle));
 519   Vector2 aimPos(radius*2*sinf(angle), radius*2*-cosf(angle));
 520   Vector2 direction = aimPos-position;
 521   Vector2 stageSize = Stage::GetCurrent().GetSize();
 522
 523   SetUpBubbleEmission( stageSize*0.5f+position, direction );
 524   SetUpBubbleEmission( stageSize*0.5f+position*0.75f, direction );
 525   SetUpBubbleEmission( stageSize*0.5f+position*0.7f, direction );
 526
 527   return true;
 528 }
 529
 530 void NewWindowController::OnKeyEvent(const KeyEvent& event)
 531 {
 532   if(event.state == KeyEvent::Down)
 533   {
 534     if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
 535     {
 536       mApplication.Quit();
 537     }
 538   }
 539 }
 540
 541 void NewWindowController::OnContextLost()
 542 {
 543   printf("Stage reporting context loss\n");
 544 }
 545
 546 void NewWindowController::OnContextRegained()
 547 {
 548   printf("Stage reporting context regain\n");
 549 }
 550
 551 void RunTest(Application& app)
 552 {
 553   gNewWindowController = new NewWindowController(app);
 554   app.MainLoop(Configuration::APPLICATION_DOES_NOT_HANDLE_CONTEXT_LOSS);
 555 }
 556
 557 // Entry point for Linux & Tizen applications
 558 //
 559 int DALI_EXPORT_API main(int argc, char **argv)
 560 {
 561   gApplication = Application::New(&argc, &argv, DEMO_THEME_PATH);
 562   RunTest(gApplication);
 563
 564   return 0;
 565 }