examples/animated-shapes/animated-shapes-example.cpp

   1 /*
   2  * Copyright (c) 2020 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
  18 #include <dali/dali.h>
  19 #include <dali-toolkit/dali-toolkit.h>
  20 #include "shared/view.h"
  21
  22 #include <sstream>
  23
  24 using namespace Dali;
  25 using namespace Dali::Toolkit;
  26
  27 namespace
  28 {
  29
  30 const char* APPLICATION_TITLE("Animated Shapes");
  31
  32 const char* VERTEX_SHADER = DALI_COMPOSE_SHADER
  33 (
  34   attribute mediump vec3 aCoefficient;
  35   uniform mediump mat4 uMvpMatrix;
  36   uniform mediump vec3 uPosition[MAX_POINT_COUNT];
  37   varying lowp vec2 vCoefficient;
  38   void main()
  39   {
  40     int vertexId = int(aCoefficient.z);
  41     gl_Position = uMvpMatrix * vec4(uPosition[vertexId], 1.0);
  42
  43     vCoefficient = aCoefficient.xy;
  44   }
  45 );
  46
  47 // Fragment shader.
  48 const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER
  49 (
  50   uniform lowp vec4 uColor;
  51   varying lowp vec2 vCoefficient;
  52   void main()
  53   {
  54     lowp float C = (vCoefficient.x*vCoefficient.x-vCoefficient.y);
  55     lowp float Cdx = dFdx(C);
  56     lowp float Cdy = dFdy(C);
  57
  58     lowp float distance = float(C / sqrt(Cdx*Cdx + Cdy*Cdy));
  59     lowp float alpha = 0.5 - distance;
  60     gl_FragColor = vec4( uColor.rgb, uColor.a * alpha );
  61   }
  62 );
  63
  64 Shader CreateShader( unsigned int pointCount )
  65 {
  66   std::ostringstream vertexShader;
  67   vertexShader << "#define MAX_POINT_COUNT "<< pointCount << "\n"<<VERTEX_SHADER;
  68
  69   std::ostringstream fragmentShader;
  70   fragmentShader << "#extension GL_OES_standard_derivatives : enable "<< "\n"<<FRAGMENT_SHADER;
  71
  72   Shader shader = Shader::New( vertexShader.str(), fragmentShader.str() );
  73   for( unsigned int i(0); i<pointCount; ++i )
  74   {
  75     std::ostringstream propertyName;
  76     propertyName << "uPosition["<<i<<"]";
  77     shader.RegisterProperty(propertyName.str(),Vector3(0.0f,0.0f,0.0f) );
  78   }
  79
  80   return shader;
  81 }
  82
  83 } //unnamed namespace
  84
  85 // This example shows resolution independent rendering and animation of curves using the gpu.
  86 //
  87 class AnimatedShapesExample : public ConnectionTracker
  88 {
  89 public:
  90
  91   AnimatedShapesExample( Application& application )
  92 : mApplication( application )
  93 {
  94   // Connect to the Application's Init signal
  95   mApplication.InitSignal().Connect( this, &AnimatedShapesExample::Create );
  96 }
  97
  98   ~AnimatedShapesExample() = default;
  99
 100   // The Init signal is received once (only) during the Application lifetime
 101   void Create( Application& application )
 102   {
 103     Window window = application.GetWindow();
 104     const Vector2 windowSize = window.GetSize();
 105
 106     // Creates the background gradient
 107     Toolkit::Control background = Dali::Toolkit::Control::New();
 108     background[Actor::Property::ANCHOR_POINT]  = Dali::AnchorPoint::CENTER;
 109     background[Actor::Property::PARENT_ORIGIN] = Dali::ParentOrigin::CENTER;
 110     background.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::ALL_DIMENSIONS );
 111
 112     Dali::Property::Map map;
 113     map.Insert( Toolkit::Visual::Property::TYPE,  Visual::GRADIENT );
 114     Property::Array stopOffsets;
 115     stopOffsets.PushBack( 0.0f );
 116     stopOffsets.PushBack( 1.0f );
 117     map.Insert( GradientVisual::Property::STOP_OFFSET, stopOffsets );
 118     Property::Array stopColors;
 119     stopColors.PushBack( Vector4( 0.0f,0.0f,1.0f,1.0f ) );
 120     stopColors.PushBack( Vector4( 1.0f,1.0f,1.0f,1.0f ) );
 121     map.Insert( GradientVisual::Property::STOP_COLOR, stopColors );
 122     Vector2 halfWindowSize = windowSize * 0.5f;
 123     map.Insert( GradientVisual::Property::START_POSITION,  Vector2(0.0f,-halfWindowSize.y) );
 124     map.Insert( GradientVisual::Property::END_POSITION,  Vector2(0.0f,halfWindowSize.y)  );
 125     map.Insert( GradientVisual::Property::UNITS, GradientVisual::Units::USER_SPACE );
 126     background[ Dali::Toolkit::Control::Property::BACKGROUND ] = map;
 127     window.Add( background );
 128
 129     // Create a TextLabel for the application title.
 130     Toolkit::TextLabel label = Toolkit::TextLabel::New( APPLICATION_TITLE );
 131     label[ Actor::Property::ANCHOR_POINT] = AnchorPoint::TOP_CENTER ;
 132     label[ Actor::Property::PARENT_ORIGIN] = Vector3( 0.5f, 0.0f, 0.5f );
 133     label[ Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT ] = "CENTER";
 134     label[ Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT] = "CENTER";
 135     label[ Toolkit::TextLabel::Property::TEXT_COLOR ] = Color::WHITE;
 136     window.Add( label );
 137
 138     CreateTriangleMorph(Vector3( windowSize.x*0.5f, windowSize.y*0.15f, 0.0f), 100.0f );
 139     CreateCircleMorph( Vector3( windowSize.x*0.5f, windowSize.y*0.5f, 0.0f), 55.0f );
 140     CreateQuadMorph( Vector3( windowSize.x*0.5f, windowSize.y*0.85f, 0.0f), 60.0f );
 141
 142     window.KeyEventSignal().Connect( this, &AnimatedShapesExample::OnKeyEvent );
 143   }
 144
 145   void CreateTriangleMorph( Vector3 center, float side )
 146   {
 147     float h = ( side *0.5f ) / 0.866f;
 148
 149     Vector3 v0 = Vector3( -h, h, 0.0f );
 150     Vector3 v1 = Vector3( 0.0f, -side * 0.366f, 0.0f );
 151     Vector3 v2 = Vector3( h, h, 0.0f );
 152
 153     Vector3 v3 = v0 + ( ( v1 - v0 ) * 0.5f );
 154     Vector3 v4 = v1 + ( ( v2 - v1 ) * 0.5f );
 155     Vector3 v5 = v2 + ( ( v0 - v2 ) * 0.5f );
 156
 157     Shader shader = CreateShader( 12 );
 158     shader[ "uPosition[0]"] = v0;
 159     shader[ "uPosition[1]"] = v3;
 160     shader[ "uPosition[2]"] = v1;
 161
 162     shader[ "uPosition[3]"] = v1;
 163     shader[ "uPosition[4]"] = v4;
 164     shader[ "uPosition[5]"] = v2;
 165
 166     shader[ "uPosition[6]"] = v2;
 167     shader[ "uPosition[7]"] = v5;
 168     shader[ "uPosition[8]"] = v0;
 169
 170     shader[ "uPosition[9]"] =  v0;
 171     shader[ "uPosition[10]"] = v1;
 172     shader[ "uPosition[11]"] = v2;
 173
 174
 175     //Create geometry
 176     static const Vector3 vertexData[] = { Dali::Vector3( 0.0f, 0.0f, 0.0f ),
 177                                           Dali::Vector3( 0.5f, 0.0f, 1.0f ),
 178                                           Dali::Vector3( 1.0f, 1.0f, 2.0f ),
 179
 180                                           Dali::Vector3( 0.0f, 0.0f, 3.0f ),
 181                                           Dali::Vector3( 0.5f, 0.0f, 4.0f ),
 182                                           Dali::Vector3( 1.0f, 1.0f, 5.0f ),
 183
 184                                           Dali::Vector3( 0.0f, 0.0f, 6.0f ),
 185                                           Dali::Vector3( 0.5f, 0.0f, 7.0f ),
 186                                           Dali::Vector3( 1.0f, 1.0f, 8.0f ),
 187
 188                                           Dali::Vector3( 0.0f, 1.0f, 9.0f ),
 189                                           Dali::Vector3( 0.0f, 1.0f, 10.0f ),
 190                                           Dali::Vector3( 0.0f, 1.0f, 11.0f )
 191     };
 192
 193     unsigned short indexData[] = { 0, 2, 1, 3, 5, 4, 6, 8, 7, 9, 11, 10 };
 194
 195     //Create a vertex buffer for vertex positions and texture coordinates
 196     Dali::Property::Map vertexFormat;
 197     vertexFormat["aCoefficient"] = Dali::Property::VECTOR3;
 198     Dali::VertexBuffer vertexBuffer = Dali::VertexBuffer::New( vertexFormat );
 199     vertexBuffer.SetData( vertexData, sizeof(vertexData)/sizeof(vertexData[0]));
 200
 201     //Create the geometry
 202     Dali::Geometry geometry = Dali::Geometry::New();
 203     geometry.AddVertexBuffer( vertexBuffer );
 204     geometry.SetIndexBuffer( indexData, sizeof(indexData)/sizeof(indexData[0]) );
 205
 206     Renderer renderer = Renderer::New( geometry, shader );
 207     renderer[Renderer::Property::BLEND_MODE] = BlendMode::ON;
 208
 209     Actor actor = Actor::New();
 210     actor[Actor::Property::SIZE ] = Vector2( 400.0f, 400.0f );
 211     actor[Actor::Property::POSITION ] = center;
 212     actor[Actor::Property::ANCHOR_POINT] = AnchorPoint::CENTER;
 213     actor[Actor::Property::COLOR] = Color::YELLOW;
 214     actor.AddRenderer( renderer );
 215
 216     Window window = mApplication.GetWindow();
 217     window.Add( actor );
 218
 219     //Animation
 220     Animation animation = Animation::New(5.0f);
 221     KeyFrames k0 = KeyFrames::New();
 222     k0.Add( 0.0f,v3  );
 223     k0.Add( 0.5f, v3 + Vector3(-150.0f,-150.0f,0.0f));
 224     k0.Add( 1.0f, v3 );
 225     animation.AnimateBetween( Property(shader, "uPosition[1]"),k0, AlphaFunction::EASE_IN_OUT_SINE );
 226
 227     k0 = KeyFrames::New();
 228     k0.Add( 0.0f,v4  );
 229     k0.Add( 0.5f, v4 + Vector3(150.0f,-150.0f,0.0f));
 230     k0.Add( 1.0f, v4 );
 231     animation.AnimateBetween( Property(shader,"uPosition[4]"),k0, AlphaFunction::EASE_IN_OUT_SINE );
 232
 233     k0 = KeyFrames::New();
 234     k0.Add( 0.0f,v5  );
 235     k0.Add( 0.5f, v5 + Vector3(0.0,150.0f,0.0f));
 236     k0.Add( 1.0f, v5 );
 237     animation.AnimateBetween( Property(shader, "uPosition[7]"),k0, AlphaFunction::EASE_IN_OUT_SINE );
 238     animation.SetLooping( true );
 239     animation.Play();
 240   }
 241
 242   void CreateCircleMorph( Vector3 center, float radius )
 243   {
 244     Shader shader = CreateShader( 16 );
 245     shader["uPosition[0]"] = Vector3( -radius, -radius, 0.0f );
 246     shader["uPosition[1]"] = Vector3( 0.0f, -radius, 0.0f );
 247     shader["uPosition[2]"] = Vector3( radius, -radius, 0.0f );
 248
 249     shader["uPosition[3]"] = Vector3( radius, -radius, 0.0f );
 250     shader["uPosition[4]"] = Vector3( radius, 0.0f, 0.0f );
 251     shader["uPosition[5]"] = Vector3( radius, radius, 0.0f );
 252
 253     shader["uPosition[6]"] = Vector3( radius, radius, 0.0f );
 254     shader["uPosition[7]"] = Vector3( 0.0f, radius, 0.0f );
 255     shader["uPosition[8]"] = Vector3( -radius, radius, 0.0f );
 256
 257     shader["uPosition[9]"] =  Vector3( -radius, radius, 0.0f );
 258     shader["uPosition[10]"] = Vector3( -radius, 0.0f, 0.0f );
 259     shader["uPosition[11]"] = Vector3( -radius, -radius, 0.0f );
 260
 261     shader["uPosition[12]"] = Vector3( -radius, -radius, 0.0f );
 262     shader["uPosition[13]"] = Vector3( radius, -radius, 0.0f );
 263     shader["uPosition[14]"] = Vector3( radius, radius, 0.0f );
 264     shader["uPosition[15]"] = Vector3( -radius, radius, 0.0f );
 265
 266     //shader["uLineWidth"), 2.0] ;
 267
 268     static const Vector3 vertexData[] = { Vector3( 0.0f, 0.0f, 0.0f ),
 269                                           Vector3( 0.5f, 0.0f, 1.0f ),
 270                                           Vector3( 1.0f, 1.0f, 2.0f ),
 271                                           Vector3( 0.0f, 0.0f, 3.0f ),
 272                                           Vector3( 0.5f, 0.0f, 4.0f ),
 273                                           Vector3( 1.0f, 1.0f, 5.0f ),
 274                                           Vector3( 0.0f, 0.0f, 6.0f ),
 275                                           Vector3( 0.5f, 0.0f, 7.0f ),
 276                                           Vector3( 1.0f, 1.0f, 8.0f ),
 277                                           Vector3( 0.0f, 0.0f, 9.0f ),
 278                                           Vector3( 0.5f, 0.0f, 10.0f ),
 279                                           Vector3( 1.0f, 1.0f, 11.0f ),
 280                                           Vector3( 0.0f, 1.0f, 12.0f ),
 281                                           Vector3( 0.0f, 1.0f, 13.0f ),
 282                                           Vector3( 0.0f, 1.0f, 14.0f ),
 283                                           Vector3( 0.0f, 1.0f, 15.0f )};
 284
 285     short unsigned int indexData[] = { 0, 2, 1, 3, 5, 4, 6, 8, 7, 9, 11, 10, 12, 13, 14, 12, 14, 15 };
 286
 287     //Create a vertex buffer for vertex positions and texture coordinates
 288     Dali::Property::Map vertexFormat;
 289     vertexFormat["aCoefficient"] = Dali::Property::VECTOR3;
 290     Dali::VertexBuffer vertexBuffer = Dali::VertexBuffer::New( vertexFormat );
 291     vertexBuffer.SetData( vertexData, sizeof(vertexData)/sizeof(vertexData[0]));
 292
 293     //Create the geometry
 294     Dali::Geometry geometry = Dali::Geometry::New();
 295     geometry.AddVertexBuffer( vertexBuffer );
 296     geometry.SetIndexBuffer( indexData, sizeof(indexData)/sizeof(indexData[0]) );
 297
 298     Renderer renderer = Renderer::New( geometry, shader );
 299     renderer[ Renderer::Property::BLEND_MODE ] = BlendMode::ON;
 300
 301     Actor actor = Actor::New();
 302     actor[ Actor::Property::SIZE] = Vector2( 400.0f, 400.0f );
 303     actor[ Actor::Property::POSITION] = center;
 304     actor[ Actor::Property::ANCHOR_POINT] = AnchorPoint::CENTER;
 305     actor.AddRenderer( renderer );
 306
 307     Window window = mApplication.GetWindow();
 308     window.Add( actor );
 309
 310     //Animation
 311     Animation animation = Animation::New(5.0f);
 312     KeyFrames k0 = KeyFrames::New();
 313     k0.Add( 0.0f, Vector3( 0.0f,-radius*1.85, 0.0f ) );
 314     k0.Add( 0.5f, Vector3( -radius*1.85, -radius*3.0f, 0.0f ) );
 315     k0.Add( 1.0f, Vector3( 0.0f,-radius*1.85, 0.0f ) );
 316     animation.AnimateBetween( Property( shader, shader.GetPropertyIndex("uPosition[1]") ),k0, AlphaFunction::EASE_IN_OUT_SINE );
 317
 318     k0 = KeyFrames::New();
 319     k0.Add( 0.0f, Vector3( radius*1.85, 0.0f, 0.0f ) );
 320     k0.Add( 0.5f, Vector3( radius*3.0f,-radius*1.85, 0.0f ) );
 321     k0.Add( 1.0f, Vector3( radius*1.85,0.0f, 0.0f ) );
 322     animation.AnimateBetween( Property(shader, shader.GetPropertyIndex("uPosition[4]")),k0, AlphaFunction::EASE_IN_OUT_SINE );
 323
 324     k0 = KeyFrames::New();
 325     k0.Add( 0.0f, Vector3( 0.0f, radius*1.85, 0.0f ) );
 326     k0.Add( 0.5f, Vector3( radius*1.85, radius*3.0f, 0.0f) );
 327     k0.Add( 1.0f, Vector3( 0.0f, radius*1.85, 0.0f) );
 328     animation.AnimateBetween( Property( shader, shader.GetPropertyIndex("uPosition[7]") ),k0, AlphaFunction::EASE_IN_OUT_SINE );
 329
 330     k0 = KeyFrames::New();
 331     k0.Add( 0.0f, Vector3( -radius*1.85, 0.0f, 0.0f) );
 332     k0.Add( 0.5f, Vector3(-radius*3.0f, radius*1.85, 0.0f) );
 333     k0.Add( 1.0f, Vector3( -radius*1.85, 0.0f, 0.0f) );
 334     animation.AnimateBetween( Property( shader, shader.GetPropertyIndex("uPosition[10]") ),k0, AlphaFunction::EASE_IN_OUT_SINE );
 335
 336     animation.AnimateBy( Property( actor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(-90.0f) ), Vector3::ZAXIS ) );
 337     animation.SetLooping( true );
 338     animation.Play();
 339   }
 340
 341   void CreateQuadMorph( Vector3 center, float radius )
 342   {
 343     Shader shader = CreateShader( 16 );
 344     shader["uPosition[0]"] = Vector3( -radius, -radius, 0.0f );
 345     shader["uPosition[1]"] = Vector3( 0.0f, -radius, 0.0f );
 346     shader["uPosition[2]"] = Vector3( radius, -radius, 0.0f );
 347
 348     shader["uPosition[3]"] = Vector3( radius, -radius, 0.0f );
 349     shader["uPosition[4]"] = Vector3( radius, 0.0f, 0.0f );
 350     shader["uPosition[5]"] = Vector3( radius, radius, 0.0f );
 351
 352     shader["uPosition[6]"] = Vector3( radius, radius, 0.0f );
 353     shader["uPosition[7]"] = Vector3( 0.0f, radius, 0.0f );
 354     shader["uPosition[8]"] = Vector3( -radius, radius, 0.0f );
 355
 356     shader["uPosition[9]"] = Vector3( -radius, radius, 0.0f );
 357     shader["uPosition[10]"] = Vector3( -radius, 0.0f, 0.0f );
 358     shader["uPosition[11]"] = Vector3( -radius, -radius, 0.0f );
 359
 360     shader["uPosition[12]"] = Vector3( -radius, -radius, 0.0f );
 361     shader["uPosition[13]"] = Vector3( radius, -radius, 0.0f );
 362     shader["uPosition[14]"] = Vector3( radius, radius, 0.0f );
 363     shader["uPosition[15]"] = Vector3( -radius, radius, 0.0f );
 364
 365     static const Vector3 vertexData[] = { Dali::Vector3( 0.0f, 0.0f, 0.0f ),
 366                                           Dali::Vector3( 0.5f, 0.0f, 1.0f ),
 367                                           Dali::Vector3( 1.0f, 1.0f, 2.0f ),
 368
 369                                           Dali::Vector3( 0.0f, 0.0f, 3.0f ),
 370                                           Dali::Vector3( 0.5f, 0.0f, 4.0f ),
 371                                           Dali::Vector3( 1.0f, 1.0f, 5.0f ),
 372
 373                                           Dali::Vector3( 0.0f, 0.0f, 6.0f ),
 374                                           Dali::Vector3( 0.5f, 0.0f, 7.0f ),
 375                                           Dali::Vector3( 1.0f, 1.0f, 8.0f ),
 376
 377                                           Dali::Vector3( 0.0f, 0.0f, 9.0f ),
 378                                           Dali::Vector3( 0.5f, 0.0f, 10.0f ),
 379                                           Dali::Vector3( 1.0f, 1.0f, 11.0f ),
 380
 381                                           Dali::Vector3( 0.0f, 1.0f, 12.0f ),
 382                                           Dali::Vector3( 0.0f, 1.0f, 13.0f ),
 383                                           Dali::Vector3( 0.0f, 1.0f, 14.0f ),
 384                                           Dali::Vector3( 0.0f, 1.0f, 15.0f ) };
 385
 386     short unsigned int indexData[] = { 0, 2, 1, 3, 5, 4, 6, 8, 7, 9, 11, 10, 12, 15, 14, 12, 14, 13 };
 387
 388     //Create a vertex buffer for vertex positions and texture coordinates
 389     Dali::Property::Map vertexFormat;
 390     vertexFormat["aCoefficient"] = Dali::Property::VECTOR3;
 391     Dali::VertexBuffer vertexBuffer = Dali::VertexBuffer::New( vertexFormat );
 392     vertexBuffer.SetData( vertexData, sizeof(vertexData)/sizeof(vertexData[0]));
 393
 394     //Create the geometry
 395     Dali::Geometry geometry = Dali::Geometry::New();
 396     geometry.AddVertexBuffer( vertexBuffer );
 397     geometry.SetIndexBuffer( indexData, sizeof(indexData)/sizeof(indexData[0]) );
 398
 399     Renderer renderer = Renderer::New( geometry, shader );
 400     renderer[Renderer::Property::BLEND_MODE] = BlendMode::ON;
 401
 402     Actor actor = Actor::New();
 403     actor[Actor::Property::SIZE] = Vector2( 400.0f, 400.0f );
 404     actor[Actor::Property::POSITION] = center;
 405     actor[Actor::Property::ANCHOR_POINT] = AnchorPoint::CENTER;
 406     actor[Actor::Property::COLOR] = Color::RED;
 407     actor.AddRenderer( renderer );
 408
 409     Window window = mApplication.GetWindow();
 410     window.Add( actor );
 411
 412     //Animation
 413     Animation animation = Animation::New( 5.0f );
 414     KeyFrames k0 = KeyFrames::New();
 415     k0.Add( 0.0f, Vector3( 0.0f, -radius, 0.0f ) );
 416     k0.Add( 0.5f, Vector3( 0.0f, -radius*4.0f, 0.0f ) );
 417     k0.Add( 1.0f, Vector3( 0.0f, -radius, 0.0f ) );
 418     animation.AnimateBetween( Property(shader, shader.GetPropertyIndex("uPosition[1]")),k0, AlphaFunction::EASE_IN_OUT_SINE );
 419
 420     k0 = KeyFrames::New();
 421     k0.Add( 0.0f, Vector3( radius, 0.0f, 0.0f ) );
 422     k0.Add( 0.5f, Vector3( radius*4.0f, 0.0f, 0.0f ) );
 423     k0.Add( 1.0f, Vector3( radius, 0.0f, 0.0f ) );
 424     animation.AnimateBetween( Property(shader, shader.GetPropertyIndex("uPosition[4]")),k0, AlphaFunction::EASE_IN_OUT_SINE );
 425
 426     k0 = KeyFrames::New();
 427     k0.Add( 0.0f, Vector3( 0.0f, radius, 0.0f ) );
 428     k0.Add( 0.5f, Vector3( 0.0f, radius*4.0f, 0.0f ) );
 429     k0.Add( 1.0f, Vector3( 0.0f, radius, 0.0f ) );
 430     animation.AnimateBetween( Property(shader, shader.GetPropertyIndex("uPosition[7]")),k0, AlphaFunction::EASE_IN_OUT_SINE );
 431
 432     k0 = KeyFrames::New();
 433     k0.Add( 0.0f, Vector3( -radius, 0.0f, 0.0f ) );
 434     k0.Add( 0.5f, Vector3( -radius*4.0f,0.0f, 0.0f ) );
 435     k0.Add( 1.0f, Vector3( -radius,  0.0f, 0.0f ) );
 436     animation.AnimateBetween( Property(shader, shader.GetPropertyIndex("uPosition[10]")),k0, AlphaFunction::EASE_IN_OUT_SINE );
 437
 438     animation.AnimateBy( Property( actor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(90.0f) ), Vector3::ZAXIS ) );
 439     animation.SetLooping( true );
 440     animation.Play();
 441   }
 442
 443   /**
 444    * Main key event handler
 445    */
 446   void OnKeyEvent(const KeyEvent& event)
 447   {
 448     if( event.state == KeyEvent::Down && (IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ))  )
 449     {
 450       mApplication.Quit();
 451     }
 452   }
 453
 454 private:
 455   Application&                mApplication;
 456
 457 };
 458
 459 int DALI_EXPORT_API main( int argc, char **argv )
 460 {
 461   Application application = Application::New( &argc, &argv );
 462   AnimatedShapesExample test( application );
 463   application.MainLoop();
 464   return 0;
 465 }