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

   1 /*
   2  * Copyright (c) 2014 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/rendering/renderer.h>
  19 #include <dali-toolkit/dali-toolkit.h>
  20 #include <dali-toolkit/devel-api/controls/bubble-effect/bubble-emitter.h>
  21
  22 #include <cstdio>
  23 #include <iostream>
  24
  25 // INTERNAL INCLUDES
  26 #include "shared/view.h"
  27
  28 using namespace Dali;
  29 using namespace Dali::Toolkit;
  30
  31 class NewWindowController;
  32
  33 namespace
  34 {
  35 const char * const BACKGROUND_IMAGE( DALI_IMAGE_DIR "background-2.jpg" );
  36 const char * const TOOLBAR_IMAGE( DALI_IMAGE_DIR "top-bar.png" );
  37 const char * const LOSE_CONTEXT_IMAGE( DALI_IMAGE_DIR "icon-cluster-wobble.png" );
  38 const char * const LOSE_CONTEXT_IMAGE_SELECTED( DALI_IMAGE_DIR "icon-cluster-wobble-selected.png" );
  39 const char * const BASE_IMAGE( DALI_IMAGE_DIR "gallery-large-14.jpg" );
  40 const char * const EFFECT_IMAGE( DALI_IMAGE_DIR "gallery-large-18.jpg" );
  41 const char * const LOGO_IMAGE(DALI_IMAGE_DIR "dali-logo.png");
  42
  43 const float EXPLOSION_DURATION(1.2f);
  44 const unsigned int EMIT_INTERVAL_IN_MS(40);
  45 const float TRACK_DURATION_IN_MS(970);
  46
  47 Application gApplication;
  48 NewWindowController* gNewWindowController(NULL);
  49
  50 #define MAKE_SHADER(A)#A
  51
  52 const char* VERTEX_COLOR_MESH = MAKE_SHADER(
  53 attribute mediump vec3  aPosition;\n
  54 attribute lowp    vec3  aColor;\n
  55 uniform   mediump mat4  uMvpMatrix;\n
  56 uniform   mediump vec3  uSize;\n
  57 varying   lowp    vec3  vColor;\n
  58 \n
  59 void main()\n
  60 {\n
  61   gl_Position = uMvpMatrix * vec4( aPosition*uSize, 1.0 );\n
  62   vColor = aColor;\n
  63 }\n
  64 );
  65
  66 const char* FRAGMENT_COLOR_MESH = MAKE_SHADER(
  67 uniform lowp vec4  uColor;\n
  68 varying lowp vec3  vColor;\n
  69 \n
  70 void main()\n
  71 {\n
  72   gl_FragColor = vec4(vColor,1.0)*uColor;
  73 }\n
  74 );
  75
  76 const char* VERTEX_TEXTURE_MESH = MAKE_SHADER(
  77 attribute mediump vec3  aPosition;\n
  78 attribute highp   vec2  aTexCoord;\n
  79 uniform   mediump mat4  uMvpMatrix;\n
  80 uniform   mediump vec3  uSize;\n
  81 varying   mediump vec2  vTexCoord;\n
  82 \n
  83 void main()\n
  84 {\n
  85   gl_Position = uMvpMatrix * vec4( aPosition*uSize, 1.0 );\n
  86   vTexCoord = aTexCoord;\n
  87 }\n
  88 );
  89
  90 const char* FRAGMENT_TEXTURE_MESH = MAKE_SHADER(
  91 varying mediump vec2  vTexCoord;\n
  92 uniform lowp    vec4  uColor;\n
  93 uniform sampler2D     sTexture;\n
  94 \n
  95 void main()\n
  96 {\n
  97   gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;
  98 }\n
  99 );
 100
 101 const char* FRAGMENT_BLEND_SHADER = MAKE_SHADER(
 102 uniform mediump float alpha;\n
 103 \n
 104 void main()\n
 105 {\n
 106   mediump vec4 fragColor = texture2D(sTexture, vTexCoord);\n
 107   mediump vec4 fxColor   = texture2D(sEffect, vTexCoord);\n
 108   gl_FragColor = mix(fragColor,fxColor, alpha);\n
 109 }\n
 110 );
 111
 112 }; // anonymous namespace
 113
 114
 115 class NewWindowController : public ConnectionTracker
 116 {
 117 public:
 118   NewWindowController( Application& app );
 119   void Create( Application& app );
 120   void Destroy( Application& app );
 121
 122   void AddBubbles(const Vector2& stageSize);
 123   void AddMeshActor();
 124   void AddBlendingImageActor();
 125   void AddTextLabel();
 126
 127   ImageActor CreateBlurredMirrorImage(const char* imageName);
 128   FrameBufferImage CreateFrameBufferForImage(const char* imageName, Image image, ShaderEffect shaderEffect);
 129   void SetUpBubbleEmission( const Vector2& emitPosition, const Vector2& direction );
 130   Geometry CreateMeshGeometry();
 131   ShaderEffect CreateColorModifierer( const Vector3& rgbDelta );
 132
 133   static void NewWindow(void);
 134
 135   bool OnTrackTimerTick();
 136   void OnKeyEvent(const KeyEvent& event);
 137   bool OnLoseContextButtonClicked( Toolkit::Button button );
 138   void OnContextLost();
 139   void OnContextRegained();
 140
 141 private:
 142   Application                mApplication;
 143   TextLabel                  mTextActor;
 144
 145   Toolkit::Control           mView;                              ///< The View instance.
 146   Toolkit::ToolBar           mToolBar;                           ///< The View's Toolbar.
 147   TextLabel                  mTitleActor;                        ///< The Toolbar's Title.
 148   Layer                      mContentLayer;                      ///< Content layer (scrolling cluster content)
 149   Toolkit::PushButton        mLoseContextButton;
 150
 151   Toolkit::BubbleEmitter     mEmitter;
 152   Timer                      mEmitTrackTimer;
 153   bool                       mNeedNewAnimation;
 154   unsigned int               mAnimateComponentCount;
 155   Animation                  mEmitAnimation;
 156 };
 157
 158
 159 NewWindowController::NewWindowController( Application& application )
 160 : mApplication(application),
 161   mNeedNewAnimation(true)
 162 {
 163   mApplication.InitSignal().Connect(this, &NewWindowController::Create);
 164   mApplication.TerminateSignal().Connect(this, &NewWindowController::Destroy);
 165 }
 166
 167 void NewWindowController::Create( Application& app )
 168 {
 169   Stage stage = Stage::GetCurrent();
 170   stage.SetBackgroundColor(Color::YELLOW);
 171
 172   stage.KeyEventSignal().Connect(this, &NewWindowController::OnKeyEvent);
 173
 174   // The Init signal is received once (only) during the Application lifetime
 175
 176   // Hide the indicator bar
 177   mApplication.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
 178
 179   mContentLayer = DemoHelper::CreateView( app,
 180                                           mView,
 181                                           mToolBar,
 182                                           "",
 183                                           TOOLBAR_IMAGE,
 184                                           "Context recovery" );
 185
 186   Size stageSize = stage.GetSize();
 187   Image backgroundImage = ResourceImage::New( BACKGROUND_IMAGE, Dali::ImageDimensions( stageSize.x, stageSize.y ), Dali::FittingMode::SCALE_TO_FILL, Dali::SamplingMode::BOX_THEN_LINEAR );
 188   ImageActor backgroundActor = ImageActor::New( backgroundImage );
 189   backgroundActor.SetParentOrigin( ParentOrigin::CENTER );
 190   backgroundActor.SetZ(-2.f);
 191   mContentLayer.Add(backgroundActor);
 192
 193   // Point the default render task at the view
 194   RenderTaskList taskList = stage.GetRenderTaskList();
 195   RenderTask defaultTask = taskList.GetTask( 0u );
 196   if ( defaultTask )
 197   {
 198     defaultTask.SetSourceActor( mView );
 199   }
 200
 201   mLoseContextButton = Toolkit::PushButton::New();
 202   mLoseContextButton.SetButtonImage( ResourceImage::New( LOSE_CONTEXT_IMAGE ) );
 203   mLoseContextButton.SetSelectedImage( ResourceImage::New( LOSE_CONTEXT_IMAGE_SELECTED ) );
 204   mLoseContextButton.ClickedSignal().Connect( this, &NewWindowController::OnLoseContextButtonClicked );
 205   mToolBar.AddControl( mLoseContextButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
 206
 207   Actor logoLayoutActor = Actor::New();
 208   logoLayoutActor.SetParentOrigin(ParentOrigin::CENTER);
 209   logoLayoutActor.SetPosition(0.0f, -200.0f, 0.0f);
 210   logoLayoutActor.SetScale(0.5f);
 211   mContentLayer.Add(logoLayoutActor);
 212
 213   Image image = ResourceImage::New(LOGO_IMAGE);
 214   ImageActor imageActor = ImageActor::New(image);
 215   imageActor.SetName("dali-logo");
 216   imageActor.SetParentOrigin(ParentOrigin::CENTER);
 217   imageActor.SetAnchorPoint(AnchorPoint::BOTTOM_CENTER);
 218   logoLayoutActor.Add(imageActor);
 219
 220   ImageActor mirrorImageActor = CreateBlurredMirrorImage(LOGO_IMAGE);
 221   mirrorImageActor.SetParentOrigin(ParentOrigin::CENTER);
 222   mirrorImageActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 223   logoLayoutActor.Add(mirrorImageActor);
 224
 225   AddBubbles(stage.GetSize());
 226   AddMeshActor();
 227   AddBlendingImageActor();
 228   AddTextLabel();
 229
 230   stage.ContextLostSignal().Connect(this, &NewWindowController::OnContextLost);
 231   stage.ContextRegainedSignal().Connect(this, &NewWindowController::OnContextRegained);
 232 }
 233
 234 void NewWindowController::Destroy( Application& app )
 235 {
 236   UnparentAndReset(mTextActor);
 237 }
 238
 239 void NewWindowController::AddBubbles(const Vector2& stageSize)
 240 {
 241   mEmitter = Toolkit::BubbleEmitter::New( stageSize,
 242                                           ResourceImage::New( DALI_IMAGE_DIR "bubble-ball.png" ),
 243                                           200, Vector2( 5.0f, 5.0f ) );
 244
 245   Image background = ResourceImage::New(BACKGROUND_IMAGE);
 246   mEmitter.SetBackground( background, Vector3(0.5f, 0.f,0.5f) );
 247   mEmitter.SetBubbleDensity( 9.f );
 248   Actor bubbleRoot = mEmitter.GetRootActor();
 249   mContentLayer.Add( bubbleRoot );
 250   bubbleRoot.SetParentOrigin(ParentOrigin::CENTER);
 251   bubbleRoot.SetZ(0.1f);
 252
 253   mEmitTrackTimer = Timer::New( EMIT_INTERVAL_IN_MS );
 254   mEmitTrackTimer.TickSignal().Connect(this, &NewWindowController::OnTrackTimerTick);
 255   mEmitTrackTimer.Start();
 256 }
 257
 258 void NewWindowController::AddMeshActor()
 259 {
 260   Geometry meshGeometry = CreateMeshGeometry();
 261
 262   // Create a coloured mesh
 263   Shader shaderColorMesh = Shader::New( VERTEX_COLOR_MESH, FRAGMENT_COLOR_MESH );
 264   Material colorMeshmaterial = Material::New( shaderColorMesh );
 265   Renderer colorMeshRenderer = Renderer::New( meshGeometry, colorMeshmaterial );
 266
 267   Actor colorMeshActor = Actor::New();
 268   colorMeshActor.AddRenderer( colorMeshRenderer );
 269   colorMeshActor.SetSize( 175.f,175.f );
 270   colorMeshActor.SetParentOrigin( ParentOrigin::CENTER );
 271   colorMeshActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 272   colorMeshActor.SetPosition(Vector3(0.0f, 50.0f, 0.0f));
 273   colorMeshActor.SetOrientation( Degree(75.f), Vector3::XAXIS );
 274   colorMeshActor.SetName("ColorMeshActor");
 275   mContentLayer.Add( colorMeshActor );
 276
 277  // Create a textured mesh
 278   Image effectImage = ResourceImage::New(EFFECT_IMAGE);
 279   Sampler sampler = Sampler::New(effectImage, "sTexture");
 280
 281   Shader shaderTextureMesh = Shader::New( VERTEX_TEXTURE_MESH, FRAGMENT_TEXTURE_MESH );
 282   Material textureMeshMaterial = Material::New( shaderTextureMesh );
 283   textureMeshMaterial.AddSampler( sampler );
 284   Renderer textureMeshRenderer = Renderer::New( meshGeometry, textureMeshMaterial );
 285
 286   Actor textureMeshActor = Actor::New();
 287   textureMeshActor.AddRenderer( textureMeshRenderer );
 288   textureMeshActor.SetSize( 175.f,175.f );
 289   textureMeshActor.SetParentOrigin( ParentOrigin::CENTER );
 290   textureMeshActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 291   textureMeshActor.SetPosition(Vector3(0.0f, 200.0f, 0.0f));
 292   textureMeshActor.SetOrientation( Degree(75.f), Vector3::XAXIS );
 293   textureMeshActor.SetName("TextureMeshActor");
 294   mContentLayer.Add( textureMeshActor );
 295 }
 296
 297 void NewWindowController::AddBlendingImageActor()
 298 {
 299   ShaderEffect colorModifier = CreateColorModifierer(Vector3( 0.5f, 0.5f, 0.5f ));
 300   Image effectImage = ResourceImage::New(EFFECT_IMAGE);
 301   FrameBufferImage fb2 = CreateFrameBufferForImage( EFFECT_IMAGE, effectImage, colorModifier );
 302
 303   ImageActor tmpActor = ImageActor::New(fb2);
 304   mContentLayer.Add(tmpActor);
 305   tmpActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 306   tmpActor.SetAnchorPoint(AnchorPoint::TOP_RIGHT);
 307   tmpActor.SetPosition(Vector3(0.0f, 150.0f, 0.0f));
 308   tmpActor.SetScale(0.25f);
 309
 310   // create blending shader effect
 311   ShaderEffect blendShader = ShaderEffect::New( "", FRAGMENT_BLEND_SHADER );
 312   blendShader.SetEffectImage( fb2 );
 313   blendShader.SetUniform("alpha", 0.5f);
 314
 315   Image baseImage = ResourceImage::New(BASE_IMAGE);
 316   ImageActor blendActor = ImageActor::New( baseImage );
 317   blendActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 318   blendActor.SetAnchorPoint(AnchorPoint::BOTTOM_RIGHT);
 319   blendActor.SetPosition(Vector3(0.0f, 100.0f, 0.0f));
 320   blendActor.SetSize(140, 140);
 321   blendActor.SetShaderEffect( blendShader );
 322   mContentLayer.Add(blendActor);
 323 }
 324
 325 void NewWindowController::AddTextLabel()
 326 {
 327   mTextActor = TextLabel::New("Some text");
 328   mTextActor.SetParentOrigin(ParentOrigin::CENTER);
 329   mTextActor.SetColor(Color::RED);
 330   mTextActor.SetName("PushMe text");
 331   mContentLayer.Add( mTextActor );
 332 }
 333
 334 ImageActor NewWindowController::CreateBlurredMirrorImage(const char* imageName)
 335 {
 336   Image image = ResourceImage::New(imageName);
 337
 338   Uint16Pair intFboSize = ResourceImage::GetImageSize(imageName);
 339   Vector2 FBOSize = Vector2( intFboSize.GetWidth(), intFboSize.GetHeight() );
 340   FrameBufferImage fbo = FrameBufferImage::New( FBOSize.width, FBOSize.height, Pixel::RGBA8888);
 341
 342   GaussianBlurView gbv = GaussianBlurView::New(5, 2.0f, Pixel::RGBA8888, 0.5f, 0.5f, true);
 343   gbv.SetBackgroundColor(Color::TRANSPARENT);
 344   gbv.SetUserImageAndOutputRenderTarget( image, fbo );
 345   gbv.SetSize(FBOSize);
 346   Stage::GetCurrent().Add(gbv);
 347   gbv.ActivateOnce();
 348
 349   ImageActor blurredActor = ImageActor::New(fbo);
 350   blurredActor.SetSize(FBOSize);
 351   blurredActor.SetScale(1.0f, -1.0f, 1.0f);
 352   return blurredActor;
 353 }
 354
 355 FrameBufferImage NewWindowController::CreateFrameBufferForImage(const char* imageName, Image image, ShaderEffect shaderEffect)
 356 {
 357   Stage stage = Stage::GetCurrent();
 358   Uint16Pair intFboSize = ResourceImage::GetImageSize(imageName);
 359   Vector2 FBOSize = Vector2(intFboSize.GetWidth(), intFboSize.GetHeight());
 360
 361   FrameBufferImage framebuffer = FrameBufferImage::New(FBOSize.x, FBOSize.y );
 362
 363   RenderTask renderTask = stage.GetRenderTaskList().CreateTask();
 364
 365   ImageActor imageActor = ImageActor::New(image);
 366   imageActor.SetName("Source image actor");
 367   if(shaderEffect)
 368   {
 369     imageActor.SetShaderEffect(shaderEffect);
 370   }
 371   imageActor.SetParentOrigin(ParentOrigin::CENTER);
 372   imageActor.SetAnchorPoint(AnchorPoint::CENTER);
 373   imageActor.SetScale(1.0f, -1.0f, 1.0f);
 374   stage.Add(imageActor); // Not in default image view
 375
 376   CameraActor cameraActor = CameraActor::New(FBOSize);
 377   cameraActor.SetParentOrigin(ParentOrigin::CENTER);
 378   cameraActor.SetFieldOfView(Math::PI*0.25f);
 379   cameraActor.SetNearClippingPlane(1.0f);
 380   cameraActor.SetAspectRatio(FBOSize.width / FBOSize.height);
 381   cameraActor.SetType(Dali::Camera::FREE_LOOK); // camera orientation based solely on actor
 382   cameraActor.SetPosition(0.0f, 0.0f, ((FBOSize.height * 0.5f) / tanf(Math::PI * 0.125f)));
 383   stage.Add(cameraActor);
 384
 385   renderTask.SetSourceActor(imageActor);
 386   renderTask.SetInputEnabled(false);
 387   renderTask.SetTargetFrameBuffer(framebuffer);
 388   renderTask.SetCameraActor( cameraActor );
 389   renderTask.SetClearColor( Color::TRANSPARENT );
 390   renderTask.SetClearEnabled( true );
 391   renderTask.SetRefreshRate(RenderTask::REFRESH_ONCE);
 392
 393   return framebuffer;
 394 }
 395
 396 void NewWindowController::SetUpBubbleEmission( const Vector2& emitPosition, const Vector2& direction)
 397 {
 398   if( mNeedNewAnimation )
 399   {
 400     float duration = Random::Range(1.f, 1.5f);
 401     mEmitAnimation = Animation::New( duration );
 402     mNeedNewAnimation = false;
 403     mAnimateComponentCount = 0;
 404   }
 405
 406   mEmitter.EmitBubble( mEmitAnimation, emitPosition, direction, Vector2(10,10) );
 407
 408   mAnimateComponentCount++;
 409
 410   if( mAnimateComponentCount % 6 ==0 )
 411   {
 412     mEmitAnimation.Play();
 413     mNeedNewAnimation = true;
 414   }
 415 }
 416
 417 Geometry NewWindowController::CreateMeshGeometry()
 418 {
 419   // Create vertices and specify their color
 420   struct Vertex
 421   {
 422     Vector3 position;
 423     Vector2 textureCoordinates;
 424     Vector3 color;
 425   };
 426
 427   Vertex vertexData[5] = {
 428     { Vector3(  0.0f,  0.0f, 0.5f ), Vector2(0.5f, 0.5f), Vector3(1.0f, 1.0f, 1.0f) },
 429     { Vector3( -0.5f, -0.5f, 0.0f ), Vector2(0.0f, 0.0f), Vector3(1.0f, 0.0f, 0.0f) },
 430     { Vector3(  0.5f, -0.5f, 0.0f ), Vector2(1.0f, 0.0f), Vector3(1.0f, 1.0f, 0.0f) },
 431     { Vector3( -0.5f,  0.5f, 0.0f ), Vector2(0.0f, 1.0f), Vector3(0.0f, 1.0f, 0.0f) },
 432     { Vector3(  0.5f,  0.5f, 0.0f ), Vector2(1.0f, 1.0f), Vector3(0.0f, 0.0f, 1.0f) }  };
 433
 434   Property::Map vertexFormat;
 435   vertexFormat["aPosition"] = Property::VECTOR3;
 436   vertexFormat["aTexCoord"] = Property::VECTOR2;
 437   vertexFormat["aColor"] = Property::VECTOR3;
 438   PropertyBuffer vertices = PropertyBuffer::New( vertexFormat, 5 );
 439   vertices.SetData( vertexData );
 440
 441   // Specify all the faces
 442   unsigned int indexData[12] = { 0,1,3,0,2,4,0,3,4,0,2,1 };
 443   Property::Map indexFormat;
 444   indexFormat["indices"] = Property::INTEGER;
 445   PropertyBuffer indices = PropertyBuffer::New( indexFormat, 12 );
 446   indices.SetData( indexData );
 447
 448   // Create the geometry object
 449   Geometry geometry = Geometry::New();
 450   geometry.AddVertexBuffer( vertices );
 451   geometry.SetIndexBuffer( indices );
 452
 453   return geometry;
 454 }
 455
 456 ShaderEffect NewWindowController::CreateColorModifierer( const Vector3& rgbDelta )
 457 {
 458  std::string fragmentShader = MAKE_SHADER(
 459    precision highp float;\n
 460    uniform vec3 uRGBDelta;\n
 461    uniform float uIgnoreAlpha;\n
 462    float rand(vec2 co) \n
 463    {\n
 464      return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453); \n}
 465    \n
 466    void main() {\n
 467      vec4 color = texture2D(sTexture, vTexCoord); \n
 468      // modify the hsv Value
 469      color.rgb += uRGBDelta * rand(vTexCoord); \n
 470      // if the new vale exceeds one, then decrease it
 471      color.rgb -= max(color.rgb*2.0 - vec3(2.0), 0.0);\n
 472      // if the new vale drops below zero, then increase it
 473      color.rgb -= min(color.rgb*2.0, 0.0);\n
 474      gl_FragColor = color; \n
 475    }\n
 476  );
 477
 478  ShaderEffect shaderEffect = ShaderEffect::New("", fragmentShader);
 479  shaderEffect.SetUniform( "uRGBDelta", rgbDelta );
 480
 481  return shaderEffect;
 482 }
 483
 484 void NewWindowController::NewWindow(void)
 485 {
 486   PositionSize posSize(0, 0, 720, 1280);
 487   gApplication.ReplaceWindow(posSize, "NewWindow"); // Generates a new window
 488 }
 489
 490 bool NewWindowController::OnLoseContextButtonClicked( Toolkit::Button button )
 491 {
 492   // Add as an idle callback to avoid ProcessEvents being recursively called.
 493   mApplication.AddIdle( MakeCallback( NewWindowController::NewWindow ) );
 494   return true;
 495 }
 496
 497 bool NewWindowController::OnTrackTimerTick()
 498 {
 499   static int time=0;
 500   const float radius(250.0f);
 501
 502   time += EMIT_INTERVAL_IN_MS;
 503   float modTime = time / TRACK_DURATION_IN_MS;
 504   float angle = 2.0f*Math::PI*modTime;
 505
 506   Vector2 position(radius*cosf(angle), radius*-sinf(angle));
 507   Vector2 aimPos(radius*2*sinf(angle), radius*2*-cosf(angle));
 508   Vector2 direction = aimPos-position;
 509   Vector2 stageSize = Stage::GetCurrent().GetSize();
 510
 511   SetUpBubbleEmission( stageSize*0.5f+position, direction );
 512   SetUpBubbleEmission( stageSize*0.5f+position*0.75f, direction );
 513   SetUpBubbleEmission( stageSize*0.5f+position*0.7f, direction );
 514
 515   return true;
 516 }
 517
 518 void NewWindowController::OnKeyEvent(const KeyEvent& event)
 519 {
 520   if(event.state == KeyEvent::Down)
 521   {
 522     if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
 523     {
 524       mApplication.Quit();
 525     }
 526   }
 527 }
 528
 529 void NewWindowController::OnContextLost()
 530 {
 531   printf("Stage reporting context loss\n");
 532 }
 533
 534 void NewWindowController::OnContextRegained()
 535 {
 536   printf("Stage reporting context regain\n");
 537 }
 538
 539 void RunTest(Application& app)
 540 {
 541   gNewWindowController = new NewWindowController(app);
 542   app.MainLoop(Configuration::APPLICATION_DOES_NOT_HANDLE_CONTEXT_LOSS);
 543 }
 544
 545 // Entry point for Linux & Tizen applications
 546 //
 547 int main(int argc, char **argv)
 548 {
 549   gApplication = Application::New(&argc, &argv, DALI_DEMO_THEME_PATH);
 550   RunTest(gApplication);
 551
 552   return 0;
 553 }