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   ImageView 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.SetUnselectedImage( LOSE_CONTEXT_IMAGE );
 203   mLoseContextButton.SetSelectedImage( 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   ImageView imageView = ImageView::New(image);
 215   imageView.SetName("dali-logo");
 216   imageView.SetParentOrigin(ParentOrigin::CENTER);
 217   imageView.SetAnchorPoint(AnchorPoint::BOTTOM_CENTER);
 218   logoLayoutActor.Add(imageView);
 219
 220   ImageView mirrorImageView = CreateBlurredMirrorImage(LOGO_IMAGE);
 221   mirrorImageView.SetParentOrigin(ParentOrigin::CENTER);
 222   mirrorImageView.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 223   logoLayoutActor.Add(mirrorImageView);
 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   Shader shaderTextureMesh = Shader::New( VERTEX_TEXTURE_MESH, FRAGMENT_TEXTURE_MESH );
 280   Material textureMeshMaterial = Material::New( shaderTextureMesh );
 281   textureMeshMaterial.AddTexture(effectImage, "sTexture");
 282   Renderer textureMeshRenderer = Renderer::New( meshGeometry, textureMeshMaterial );
 283
 284   Actor textureMeshActor = Actor::New();
 285   textureMeshActor.AddRenderer( textureMeshRenderer );
 286   textureMeshActor.SetSize( 175.f,175.f );
 287   textureMeshActor.SetParentOrigin( ParentOrigin::CENTER );
 288   textureMeshActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 289   textureMeshActor.SetPosition(Vector3(0.0f, 200.0f, 0.0f));
 290   textureMeshActor.SetOrientation( Degree(75.f), Vector3::XAXIS );
 291   textureMeshActor.SetName("TextureMeshActor");
 292   mContentLayer.Add( textureMeshActor );
 293 }
 294
 295 void NewWindowController::AddBlendingImageActor()
 296 {
 297   ShaderEffect colorModifier = CreateColorModifierer(Vector3( 0.5f, 0.5f, 0.5f ));
 298   Image effectImage = ResourceImage::New(EFFECT_IMAGE);
 299   FrameBufferImage fb2 = CreateFrameBufferForImage( EFFECT_IMAGE, effectImage, colorModifier );
 300
 301   ImageView tmpActor = ImageView::New(fb2);
 302   mContentLayer.Add(tmpActor);
 303   tmpActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 304   tmpActor.SetAnchorPoint(AnchorPoint::TOP_RIGHT);
 305   tmpActor.SetPosition(Vector3(0.0f, 150.0f, 0.0f));
 306   tmpActor.SetScale(0.25f);
 307
 308   // create blending shader effect
 309   ShaderEffect blendShader = ShaderEffect::New( "", FRAGMENT_BLEND_SHADER );
 310   blendShader.SetEffectImage( fb2 );
 311   blendShader.SetUniform("alpha", 0.5f);
 312
 313   Image baseImage = ResourceImage::New(BASE_IMAGE);
 314   ImageActor blendActor = ImageActor::New( baseImage );
 315   blendActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 316   blendActor.SetAnchorPoint(AnchorPoint::BOTTOM_RIGHT);
 317   blendActor.SetPosition(Vector3(0.0f, 100.0f, 0.0f));
 318   blendActor.SetSize(140, 140);
 319   blendActor.SetShaderEffect( blendShader );
 320   mContentLayer.Add(blendActor);
 321 }
 322
 323 void NewWindowController::AddTextLabel()
 324 {
 325   mTextActor = TextLabel::New("Some text");
 326   mTextActor.SetParentOrigin(ParentOrigin::CENTER);
 327   mTextActor.SetColor(Color::RED);
 328   mTextActor.SetName("PushMe text");
 329   mContentLayer.Add( mTextActor );
 330 }
 331
 332 ImageView NewWindowController::CreateBlurredMirrorImage(const char* imageName)
 333 {
 334   Image image = ResourceImage::New(imageName);
 335
 336   Uint16Pair intFboSize = ResourceImage::GetImageSize(imageName);
 337   Vector2 FBOSize = Vector2( intFboSize.GetWidth(), intFboSize.GetHeight() );
 338   FrameBufferImage fbo = FrameBufferImage::New( FBOSize.width, FBOSize.height, Pixel::RGBA8888);
 339
 340   GaussianBlurView gbv = GaussianBlurView::New(5, 2.0f, Pixel::RGBA8888, 0.5f, 0.5f, true);
 341   gbv.SetBackgroundColor(Color::TRANSPARENT);
 342   gbv.SetUserImageAndOutputRenderTarget( image, fbo );
 343   gbv.SetSize(FBOSize);
 344   Stage::GetCurrent().Add(gbv);
 345   gbv.ActivateOnce();
 346
 347   ImageView blurredActor = ImageView::New(fbo);
 348   blurredActor.SetSize(FBOSize);
 349   blurredActor.SetScale(1.0f, -1.0f, 1.0f);
 350   return blurredActor;
 351 }
 352
 353 FrameBufferImage NewWindowController::CreateFrameBufferForImage(const char* imageName, Image image, ShaderEffect shaderEffect)
 354 {
 355   Stage stage = Stage::GetCurrent();
 356   Uint16Pair intFboSize = ResourceImage::GetImageSize(imageName);
 357   Vector2 FBOSize = Vector2(intFboSize.GetWidth(), intFboSize.GetHeight());
 358
 359   FrameBufferImage framebuffer = FrameBufferImage::New(FBOSize.x, FBOSize.y );
 360
 361   RenderTask renderTask = stage.GetRenderTaskList().CreateTask();
 362
 363   ImageActor imageActor = ImageActor::New(image);
 364   imageActor.SetName("Source image actor");
 365   if(shaderEffect)
 366   {
 367     imageActor.SetShaderEffect(shaderEffect);
 368   }
 369   imageActor.SetParentOrigin(ParentOrigin::CENTER);
 370   imageActor.SetAnchorPoint(AnchorPoint::CENTER);
 371   imageActor.SetScale(1.0f, -1.0f, 1.0f);
 372   stage.Add(imageActor); // Not in default image view
 373
 374   CameraActor cameraActor = CameraActor::New(FBOSize);
 375   cameraActor.SetParentOrigin(ParentOrigin::CENTER);
 376   cameraActor.SetFieldOfView(Math::PI*0.25f);
 377   cameraActor.SetNearClippingPlane(1.0f);
 378   cameraActor.SetAspectRatio(FBOSize.width / FBOSize.height);
 379   cameraActor.SetType(Dali::Camera::FREE_LOOK); // camera orientation based solely on actor
 380   cameraActor.SetPosition(0.0f, 0.0f, ((FBOSize.height * 0.5f) / tanf(Math::PI * 0.125f)));
 381   stage.Add(cameraActor);
 382
 383   renderTask.SetSourceActor(imageActor);
 384   renderTask.SetInputEnabled(false);
 385   renderTask.SetTargetFrameBuffer(framebuffer);
 386   renderTask.SetCameraActor( cameraActor );
 387   renderTask.SetClearColor( Color::TRANSPARENT );
 388   renderTask.SetClearEnabled( true );
 389   renderTask.SetRefreshRate(RenderTask::REFRESH_ONCE);
 390
 391   return framebuffer;
 392 }
 393
 394 void NewWindowController::SetUpBubbleEmission( const Vector2& emitPosition, const Vector2& direction)
 395 {
 396   if( mNeedNewAnimation )
 397   {
 398     float duration = Random::Range(1.f, 1.5f);
 399     mEmitAnimation = Animation::New( duration );
 400     mNeedNewAnimation = false;
 401     mAnimateComponentCount = 0;
 402   }
 403
 404   mEmitter.EmitBubble( mEmitAnimation, emitPosition, direction, Vector2(10,10) );
 405
 406   mAnimateComponentCount++;
 407
 408   if( mAnimateComponentCount % 6 ==0 )
 409   {
 410     mEmitAnimation.Play();
 411     mNeedNewAnimation = true;
 412   }
 413 }
 414
 415 Geometry NewWindowController::CreateMeshGeometry()
 416 {
 417   // Create vertices and specify their color
 418   struct Vertex
 419   {
 420     Vector3 position;
 421     Vector2 textureCoordinates;
 422     Vector3 color;
 423   };
 424
 425   Vertex vertexData[5] = {
 426     { Vector3(  0.0f,  0.0f, 0.5f ), Vector2(0.5f, 0.5f), Vector3(1.0f, 1.0f, 1.0f) },
 427     { Vector3( -0.5f, -0.5f, 0.0f ), Vector2(0.0f, 0.0f), Vector3(1.0f, 0.0f, 0.0f) },
 428     { Vector3(  0.5f, -0.5f, 0.0f ), Vector2(1.0f, 0.0f), Vector3(1.0f, 1.0f, 0.0f) },
 429     { Vector3( -0.5f,  0.5f, 0.0f ), Vector2(0.0f, 1.0f), Vector3(0.0f, 1.0f, 0.0f) },
 430     { Vector3(  0.5f,  0.5f, 0.0f ), Vector2(1.0f, 1.0f), Vector3(0.0f, 0.0f, 1.0f) }  };
 431
 432   Property::Map vertexFormat;
 433   vertexFormat["aPosition"] = Property::VECTOR3;
 434   vertexFormat["aTexCoord"] = Property::VECTOR2;
 435   vertexFormat["aColor"] = Property::VECTOR3;
 436   PropertyBuffer vertices = PropertyBuffer::New( vertexFormat, 5 );
 437   vertices.SetData( vertexData );
 438
 439   // Specify all the faces
 440   unsigned int indexData[12] = { 0,1,3,0,2,4,0,3,4,0,2,1 };
 441   Property::Map indexFormat;
 442   indexFormat["indices"] = Property::INTEGER;
 443   PropertyBuffer indices = PropertyBuffer::New( indexFormat, 12 );
 444   indices.SetData( indexData );
 445
 446   // Create the geometry object
 447   Geometry geometry = Geometry::New();
 448   geometry.AddVertexBuffer( vertices );
 449   geometry.SetIndexBuffer( indices );
 450
 451   return geometry;
 452 }
 453
 454 ShaderEffect NewWindowController::CreateColorModifierer( const Vector3& rgbDelta )
 455 {
 456  std::string fragmentShader = MAKE_SHADER(
 457    precision highp float;\n
 458    uniform vec3 uRGBDelta;\n
 459    uniform float uIgnoreAlpha;\n
 460    float rand(vec2 co) \n
 461    {\n
 462      return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453); \n}
 463    \n
 464    void main() {\n
 465      vec4 color = texture2D(sTexture, vTexCoord); \n
 466      // modify the hsv Value
 467      color.rgb += uRGBDelta * rand(vTexCoord); \n
 468      // if the new vale exceeds one, then decrease it
 469      color.rgb -= max(color.rgb*2.0 - vec3(2.0), 0.0);\n
 470      // if the new vale drops below zero, then increase it
 471      color.rgb -= min(color.rgb*2.0, 0.0);\n
 472      gl_FragColor = color; \n
 473    }\n
 474  );
 475
 476  ShaderEffect shaderEffect = ShaderEffect::New("", fragmentShader);
 477  shaderEffect.SetUniform( "uRGBDelta", rgbDelta );
 478
 479  return shaderEffect;
 480 }
 481
 482 void NewWindowController::NewWindow(void)
 483 {
 484   PositionSize posSize(0, 0, 720, 1280);
 485   gApplication.ReplaceWindow(posSize, "NewWindow"); // Generates a new window
 486 }
 487
 488 bool NewWindowController::OnLoseContextButtonClicked( Toolkit::Button button )
 489 {
 490   // Add as an idle callback to avoid ProcessEvents being recursively called.
 491   mApplication.AddIdle( MakeCallback( NewWindowController::NewWindow ) );
 492   return true;
 493 }
 494
 495 bool NewWindowController::OnTrackTimerTick()
 496 {
 497   static int time=0;
 498   const float radius(250.0f);
 499
 500   time += EMIT_INTERVAL_IN_MS;
 501   float modTime = time / TRACK_DURATION_IN_MS;
 502   float angle = 2.0f*Math::PI*modTime;
 503
 504   Vector2 position(radius*cosf(angle), radius*-sinf(angle));
 505   Vector2 aimPos(radius*2*sinf(angle), radius*2*-cosf(angle));
 506   Vector2 direction = aimPos-position;
 507   Vector2 stageSize = Stage::GetCurrent().GetSize();
 508
 509   SetUpBubbleEmission( stageSize*0.5f+position, direction );
 510   SetUpBubbleEmission( stageSize*0.5f+position*0.75f, direction );
 511   SetUpBubbleEmission( stageSize*0.5f+position*0.7f, direction );
 512
 513   return true;
 514 }
 515
 516 void NewWindowController::OnKeyEvent(const KeyEvent& event)
 517 {
 518   if(event.state == KeyEvent::Down)
 519   {
 520     if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
 521     {
 522       mApplication.Quit();
 523     }
 524   }
 525 }
 526
 527 void NewWindowController::OnContextLost()
 528 {
 529   printf("Stage reporting context loss\n");
 530 }
 531
 532 void NewWindowController::OnContextRegained()
 533 {
 534   printf("Stage reporting context regain\n");
 535 }
 536
 537 void RunTest(Application& app)
 538 {
 539   gNewWindowController = new NewWindowController(app);
 540   app.MainLoop(Configuration::APPLICATION_DOES_NOT_HANDLE_CONTEXT_LOSS);
 541 }
 542
 543 // Entry point for Linux & Tizen applications
 544 //
 545 int main(int argc, char **argv)
 546 {
 547   gApplication = Application::New(&argc, &argv, DALI_DEMO_THEME_PATH);
 548   RunTest(gApplication);
 549
 550   return 0;
 551 }