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