examples/animated-shapes/animated-shapes-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
  18 #include <dali/dali.h>
  19 #include <dali-toolkit/dali-toolkit.h>
  20
  21 using namespace Dali;
  22
  23 namespace
  24 {
  25 const char* BACKGROUND_IMAGE( DALI_IMAGE_DIR "background-gradient.jpg" );
  26
  27 }
  28
  29 // This example shows resolution independent rendering and animation of curves using the gpu.
  30 //
  31 class AnimatedShapesExample : public ConnectionTracker
  32 {
  33 public:
  34
  35   AnimatedShapesExample( Application& application )
  36 : mApplication( application )
  37 {
  38     // Connect to the Application's Init signal
  39     mApplication.InitSignal().Connect( this, &AnimatedShapesExample::Create );
  40 }
  41
  42   ~AnimatedShapesExample()
  43   {
  44     // Nothing to do here;
  45   }
  46
  47   // The Init signal is received once (only) during the Application lifetime
  48   void Create( Application& application )
  49   {
  50     // Get a handle to the stage
  51     Stage stage = Stage::GetCurrent();
  52
  53     //Create a view
  54     mView = Dali::Toolkit::View::New();
  55     mView.SetResizePolicy( FILL_TO_PARENT, ALL_DIMENSIONS );
  56     stage.Add( mView );
  57
  58     //Set background image for the view
  59     ImageAttributes attributes;
  60     Image image = ResourceImage::New( BACKGROUND_IMAGE, attributes );
  61
  62
  63     Dali::ImageActor backgroundImageActor = Dali::ImageActor::New( image );
  64     mView.SetBackground( backgroundImageActor );
  65
  66     CreateTriangleMorph(Vector3( stage.GetSize().x*0.5f,stage.GetSize().y*0.15f,0.0f), 100.0f );
  67     CreateCircleMorph( Vector3( stage.GetSize().x*0.5f,stage.GetSize().y*0.85f,0.0f), 60.0f );
  68     CreatePathMorph( Vector3( stage.GetSize().x*0.5f,stage.GetSize().y*0.5f,0.0f), 55.0f );
  69
  70
  71     stage.KeyEventSignal().Connect(this, &AnimatedShapesExample::OnKeyEvent);
  72   }
  73
  74   void CreateCircleMorph( Vector3 center, float radius )
  75   {
  76     Toolkit::QuadraticBezier shader = Toolkit::QuadraticBezier::New(16, true);
  77
  78     shader.SetPoint(0, Vector3(-radius,-radius,0.0f));
  79     shader.SetPoint(1, Vector3( 0.0f,-radius,0.0f));
  80     shader.SetPoint(2, Vector3(radius,-radius,0.0f));
  81
  82     shader.SetPoint(3, Vector3(radius,-radius,0.0f));
  83     shader.SetPoint(4, Vector3( radius,0.0f,0.0f));
  84     shader.SetPoint(5, Vector3(radius,radius,0.0f));
  85
  86     shader.SetPoint(6, Vector3(radius,radius,0.0f));
  87     shader.SetPoint(7, Vector3( 0.0f,radius,0.0f));
  88     shader.SetPoint(8, Vector3( -radius,radius,0.0f));
  89
  90     shader.SetPoint(9,  Vector3( -radius,radius,0.0f));
  91     shader.SetPoint(10, Vector3( -radius,0.0f,0.0f));
  92     shader.SetPoint(11, Vector3(-radius,-radius,0.0f));
  93
  94     shader.SetPoint(12, Vector3(-radius,-radius,0.0f));
  95     shader.SetPoint(13, Vector3(radius,-radius,0.0f));
  96     shader.SetPoint(14, Vector3(radius,radius,0.0f));
  97     shader.SetPoint(15, Vector3( -radius,radius,0.0f));
  98
  99     shader.SetColor(Vector4(1.0f,0.0f,0.0f,1.0f) );
 100     shader.SetLineWidth(2.0f);
 101
 102     ////Generate the mesh
 103     Dali::MeshData::VertexContainer vertices;
 104     for( unsigned int i(0); i<12; i+=3 )
 105     {
 106       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,0.0f,i)  ));
 107       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.5f,0.0f,i+1)));
 108       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(1.0f,1.0f,i+2)));
 109     }
 110     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,12)  ));
 111     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,13)));
 112     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,14)));
 113     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,15)));
 114
 115     short unsigned int indexArray[] = { 0,2,1, 3,5,4,6,8,7, 9, 11, 10, 12,15,14,12,14,13};
 116     Dali::MeshData::FaceIndices index( indexArray, indexArray + sizeof(indexArray)/sizeof(short unsigned int) );
 117
 118     //Material
 119     Dali::Material material = Material::New("Material");
 120     material.SetDiffuseColor( Vector4(1.0f,1.0f,1.0f,1.0f));
 121
 122     //Create the Mesh object
 123     Dali::MeshData data;
 124     data.SetVertices(vertices);
 125     data.SetFaceIndices( index );
 126     data.SetMaterial( material );
 127     data.SetHasNormals( true );
 128     Mesh mesh = Mesh::New( data );
 129
 130     //Create the mesh actor
 131     MeshActor meshActor = MeshActor::New(mesh);
 132     meshActor.SetAnchorPoint( AnchorPoint::CENTER );
 133     meshActor.SetShaderEffect(shader);
 134     meshActor.SetPosition( center );
 135     meshActor.SetBlendMode(BlendingMode::ON );
 136     mView.Add( meshActor );
 137
 138
 139     //Animation
 140     Animation animation = Animation::New(5.0f);
 141     KeyFrames k0 = KeyFrames::New();
 142     k0.Add( 0.0f, Vector3( 0.0f,-radius, 0.0f) );
 143     k0.Add( 0.5f, Vector3(0.0f, -radius*4.0f, 0.0f));
 144     k0.Add( 1.0f, Vector3( 0.0f,-radius, 0.0f) );
 145     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(1)),k0,AlphaFunctions::EaseInOutSine );
 146
 147     k0 = KeyFrames::New();
 148     k0.Add( 0.0f, Vector3( radius, 0.0f, 0.0f) );
 149     k0.Add( 0.5f, Vector3(radius*4.0f,0.0f, 0.0f));
 150     k0.Add( 1.0f, Vector3( radius,0.0f, 0.0f));
 151     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(4)),k0,AlphaFunctions::EaseInOutSine );
 152
 153     k0 = KeyFrames::New();
 154     k0.Add( 0.0f, Vector3(0.0f,radius, 0.0f) );
 155     k0.Add( 0.5f, Vector3(0.0f,radius*4.0f, 0.0f));
 156     k0.Add( 1.0f, Vector3(0.0f,radius, 0.0f) );
 157     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(7)),k0,AlphaFunctions::EaseInOutSine );
 158
 159     k0 = KeyFrames::New();
 160     k0.Add( 0.0f, Vector3( -radius,  0.0f, 0.0f) );
 161     k0.Add( 0.5f, Vector3(-radius*4.0f,0.0f, 0.0f));
 162     k0.Add( 1.0f, Vector3( -radius,  0.0f, 0.0f) );
 163     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(10)),k0,AlphaFunctions::EaseInOutSine );
 164
 165     animation.RotateBy(meshActor,Degree(90.0f), Vector3::ZAXIS );
 166     animation.SetLooping( true );
 167     animation.Play();
 168   }
 169
 170   void CreateTriangleMorph( Vector3 center, float side )
 171   {
 172     float h = (side *0.5f)/0.866f;
 173
 174     Vector3 v0 = Vector3(-h,h,0.0f);
 175     Vector3 v1 = Vector3(0.0f,-(side*0.366f),0.0f );
 176     Vector3 v2 = Vector3(h,h,0.0f);
 177
 178     Vector3 v3 = v0 + ((v1-v0) * 0.5f);
 179     Vector3 v4 = v1 + ((v2-v1) * 0.5f);
 180     Vector3 v5 = v2 + ((v0-v2) * 0.5f);
 181
 182     Toolkit::QuadraticBezier shader = Toolkit::QuadraticBezier::New(12, true);
 183
 184     shader.SetPoint(0,v0);
 185     shader.SetPoint(1,v3);
 186     shader.SetPoint(2,v1);
 187
 188     shader.SetPoint(3,v1);
 189     shader.SetPoint(4,v4);
 190     shader.SetPoint(5,v2);
 191
 192     shader.SetPoint(6,v2);
 193     shader.SetPoint(7,v5);
 194     shader.SetPoint(8,v0);
 195
 196     shader.SetPoint(9, v0);
 197     shader.SetPoint(10,v1);
 198     shader.SetPoint(11,v2);
 199
 200     shader.SetColor(Vector4(0.0f,1.0f,0.0f,1.0f));
 201     shader.SetLineWidth(2.0f);
 202
 203     ////Generate the mesh
 204     Dali::MeshData::VertexContainer vertices;
 205     for( unsigned int i(0);i<9;i+=3 )
 206     {
 207       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,0.0f,i)) );
 208       vertices.push_back(  MeshData::Vertex( Vector3::ZERO, Vector2::ZERO,Vector3(0.5f,0.0f,i+1) ) );
 209       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(1.0f,1.0f,i+2)  ) );
 210     }
 211
 212     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,9)) );
 213     vertices.push_back(  MeshData::Vertex( Vector3::ZERO, Vector2::ZERO,Vector3(0.0f,1.0f,10) ) );
 214     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,11)  ) );
 215
 216     short unsigned int indexArray[] = { 0,2,1,3,5,4,6,8,7,9,11,10 };
 217     Dali::MeshData::FaceIndices index( indexArray, indexArray + sizeof(indexArray)/sizeof(short unsigned int) );
 218
 219     //Material
 220     Dali::Material material = Material::New("Material");
 221     material.SetDiffuseColor( Vector4(1.0f,1.0f,1.0f,1.0f));
 222
 223     //Create the Mesh object
 224     Dali::MeshData data;
 225     data.SetVertices(vertices);
 226     data.SetFaceIndices( index );
 227     data.SetMaterial( material );
 228     data.SetHasNormals( true );
 229     Mesh mesh = Mesh::New( data );
 230
 231 //    //Create the mesh actor
 232     MeshActor meshActor = MeshActor::New(mesh);
 233     meshActor.SetAnchorPoint( AnchorPoint::CENTER );
 234     meshActor.SetShaderEffect(shader);
 235     meshActor.SetPosition( center );
 236     meshActor.SetBlendMode(BlendingMode::ON );
 237     mView.Add( meshActor );
 238
 239     //Animation
 240     Animation animation = Animation::New(5.0f);
 241
 242     KeyFrames k0 = KeyFrames::New();
 243     k0.Add( 0.0f,v3  );
 244     k0.Add( 0.5f, v3 + Vector3(-200.0f,-200.0f,0.0f));
 245     k0.Add( 1.0f, v3 );
 246     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(1)),k0,AlphaFunctions::EaseInOutSine );
 247
 248     k0 = KeyFrames::New();
 249     k0.Add( 0.0f,v4  );
 250     k0.Add( 0.5f, v4 + Vector3(200.0f,-200.0f,0.0f));
 251     k0.Add( 1.0f, v4 );
 252     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(4)),k0,AlphaFunctions::EaseInOutSine );
 253
 254     k0 = KeyFrames::New();
 255     k0.Add( 0.0f,v5  );
 256     k0.Add( 0.5f, v5 + Vector3(0.0,200.0f,0.0f));
 257     k0.Add( 1.0f, v5 );
 258     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(7)),k0,AlphaFunctions::EaseInOutSine );
 259     animation.SetLooping( true );
 260     animation.Play();
 261   }
 262
 263   void CreatePathMorph( Vector3 center, float radius )
 264   {
 265     Toolkit::QuadraticBezier shader = Toolkit::QuadraticBezier::New(12, false);
 266
 267     shader.SetPoint(0, Vector3(-radius,-radius,0.0f));
 268     shader.SetPoint(1, Vector3( 0.0f,-radius,0.0f));
 269     shader.SetPoint(2, Vector3(radius,-radius,0.0f));
 270
 271     shader.SetPoint(3, Vector3(radius,-radius,0.0f));
 272     shader.SetPoint(4, Vector3( radius,0.0f,0.0f));
 273     shader.SetPoint(5, Vector3(radius,radius,0.0f));
 274
 275     shader.SetPoint(6, Vector3(radius,radius,0.0f));
 276     shader.SetPoint(7, Vector3( 0.0f,radius,0.0f));
 277     shader.SetPoint(8, Vector3( -radius,radius,0.0f));
 278
 279     shader.SetPoint(9,  Vector3( -radius,radius,0.0f));
 280     shader.SetPoint(10, Vector3( -radius,0.0f,0.0f));
 281     shader.SetPoint(11, Vector3(-radius,-radius,0.0f));
 282
 283     shader.SetColor(Vector4(1.0f,1.0f,0.0f,1.0f) );
 284     shader.SetLineWidth(1.5f);
 285
 286     ////Generate the mesh/S
 287     Dali::MeshData::VertexContainer vertices;
 288     for( unsigned int i(0); i<12; i+=3 )
 289     {
 290       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,0.0f,i)  ));
 291       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.5f,0.0f,i+1)));
 292       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(1.0f,1.0f,i+2)));
 293     }
 294
 295
 296     short unsigned int indexArray[] = { 0,2,1, 3,5,4,6,8,7, 9, 11, 10 };
 297     Dali::MeshData::FaceIndices index( indexArray, indexArray + sizeof(indexArray)/sizeof(short unsigned int) );
 298
 299     //Material
 300     Dali::Material material = Material::New("Material");
 301     material.SetDiffuseColor( Vector4(1.0f,1.0f,1.0f,1.0f));
 302
 303     //Create the Mesh object
 304     Dali::MeshData data;
 305     data.SetVertices(vertices);
 306     data.SetFaceIndices( index );
 307     data.SetMaterial( material );
 308     data.SetHasNormals( true );
 309     Mesh mesh = Mesh::New( data );
 310
 311     //Create the mesh actor
 312     MeshActor meshActor = MeshActor::New(mesh);
 313     meshActor.SetAnchorPoint( AnchorPoint::CENTER );
 314     meshActor.SetShaderEffect(shader);
 315     meshActor.SetPosition( center );
 316     meshActor.SetBlendMode(BlendingMode::ON );
 317     mView.Add( meshActor );
 318
 319
 320     //Animation
 321     Animation animation = Animation::New(5.0f);
 322     KeyFrames k0 = KeyFrames::New();
 323     k0.Add( 0.0f, Vector3( 0.0f,-radius*2.0, 0.0f) );
 324     k0.Add( 0.5f, Vector3(-radius*2.0, -radius*3.0f, 0.0f));
 325     k0.Add( 1.0f, Vector3( 0.0f,-radius*2.0, 0.0f) );
 326     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(1)),k0,AlphaFunctions::EaseInOutSine );
 327
 328     k0 = KeyFrames::New();
 329     k0.Add( 0.0f, Vector3( radius*2.0, 0.0f, 0.0f) );
 330     k0.Add( 0.5f, Vector3(radius*3.0f,-radius*2.0, 0.0f));
 331     k0.Add( 1.0f, Vector3( radius*2.0,0.0f, 0.0f));
 332     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(4)),k0,AlphaFunctions::EaseInOutSine );
 333
 334     k0 = KeyFrames::New();
 335     k0.Add( 0.0f, Vector3(0.0f,radius*2.0, 0.0f) );
 336     k0.Add( 0.5f, Vector3(radius*2.0,radius*3.0f, 0.0f));
 337     k0.Add( 1.0f, Vector3(0.0f,radius*2.0, 0.0f) );
 338     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(7)),k0,AlphaFunctions::EaseInOutSine );
 339
 340     k0 = KeyFrames::New();
 341     k0.Add( 0.0f, Vector3( -radius*2.0,  0.0f, 0.0f) );
 342     k0.Add( 0.5f, Vector3(-radius*3.0f,radius*2.0, 0.0f));
 343     k0.Add( 1.0f, Vector3( -radius*2.0,  0.0f, 0.0f) );
 344     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(10)),k0,AlphaFunctions::EaseInOutSine );
 345
 346     animation.RotateBy(meshActor,Degree(-90.0f), Vector3::ZAXIS );
 347     animation.SetLooping( true );
 348     animation.Play();
 349   }
 350
 351   /**
 352    * Main key event handler
 353    */
 354   void OnKeyEvent(const KeyEvent& event)
 355   {
 356     if( event.state == KeyEvent::Down && (IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ))  )
 357     {
 358       mApplication.Quit();
 359     }
 360   }
 361
 362 private:
 363   Application&                mApplication;
 364   Toolkit::View               mView;
 365 };
 366
 367 void RunTest( Application& application )
 368 {
 369   AnimatedShapesExample test( application );
 370   application.MainLoop();
 371 }
 372
 373 int main( int argc, char **argv )
 374 {
 375   Application application = Application::New( &argc, &argv );
 376   RunTest( application );
 377
 378   return 0;
 379 }