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 #include "shared/view.h"
  22
  23 using namespace Dali;
  24
  25 namespace
  26 {
  27 const char* BACKGROUND_IMAGE( DALI_IMAGE_DIR "background-gradient.jpg" );
  28
  29 }
  30
  31 // This example shows resolution independent rendering and animation of curves using the gpu.
  32 //
  33 class AnimatedShapesExample : public ConnectionTracker
  34 {
  35 public:
  36
  37   AnimatedShapesExample( Application& application )
  38 : mApplication( application )
  39 {
  40     // Connect to the Application's Init signal
  41     mApplication.InitSignal().Connect( this, &AnimatedShapesExample::Create );
  42 }
  43
  44   ~AnimatedShapesExample()
  45   {
  46     // Nothing to do here;
  47   }
  48
  49   // The Init signal is received once (only) during the Application lifetime
  50   void Create( Application& application )
  51   {
  52     DemoHelper::RequestThemeChange();
  53
  54     // Get a handle to the stage
  55     Stage stage = Stage::GetCurrent();
  56
  57     //Create a view
  58     mView = Dali::Toolkit::View::New();
  59     mView.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
  60     stage.Add( mView );
  61
  62     //Set background image for the view
  63     Image image = ResourceImage::New( BACKGROUND_IMAGE );
  64
  65
  66     Dali::ImageActor backgroundImageActor = Dali::ImageActor::New( image );
  67     mView.SetBackground( backgroundImageActor );
  68
  69     CreateTriangleMorph(Vector3( stage.GetSize().x*0.5f,stage.GetSize().y*0.15f,0.0f), 100.0f );
  70     CreateCircleMorph( Vector3( stage.GetSize().x*0.5f,stage.GetSize().y*0.85f,0.0f), 60.0f );
  71     CreatePathMorph( Vector3( stage.GetSize().x*0.5f,stage.GetSize().y*0.5f,0.0f), 55.0f );
  72
  73
  74     stage.KeyEventSignal().Connect(this, &AnimatedShapesExample::OnKeyEvent);
  75   }
  76
  77   void CreateCircleMorph( Vector3 center, float radius )
  78   {
  79     Toolkit::QuadraticBezier shader = Toolkit::QuadraticBezier::New(16, true);
  80
  81     shader.SetPoint(0, Vector3(-radius,-radius,0.0f));
  82     shader.SetPoint(1, Vector3( 0.0f,-radius,0.0f));
  83     shader.SetPoint(2, Vector3(radius,-radius,0.0f));
  84
  85     shader.SetPoint(3, Vector3(radius,-radius,0.0f));
  86     shader.SetPoint(4, Vector3( radius,0.0f,0.0f));
  87     shader.SetPoint(5, Vector3(radius,radius,0.0f));
  88
  89     shader.SetPoint(6, Vector3(radius,radius,0.0f));
  90     shader.SetPoint(7, Vector3( 0.0f,radius,0.0f));
  91     shader.SetPoint(8, Vector3( -radius,radius,0.0f));
  92
  93     shader.SetPoint(9,  Vector3( -radius,radius,0.0f));
  94     shader.SetPoint(10, Vector3( -radius,0.0f,0.0f));
  95     shader.SetPoint(11, Vector3(-radius,-radius,0.0f));
  96
  97     shader.SetPoint(12, Vector3(-radius,-radius,0.0f));
  98     shader.SetPoint(13, Vector3(radius,-radius,0.0f));
  99     shader.SetPoint(14, Vector3(radius,radius,0.0f));
 100     shader.SetPoint(15, Vector3( -radius,radius,0.0f));
 101
 102     shader.SetColor(Vector4(1.0f,0.0f,0.0f,1.0f) );
 103     shader.SetLineWidth(2.0f);
 104
 105     ////Generate the mesh
 106     Dali::MeshData::VertexContainer vertices;
 107     for( unsigned int i(0); i<12; i+=3 )
 108     {
 109       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,0.0f,i)  ));
 110       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.5f,0.0f,i+1)));
 111       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(1.0f,1.0f,i+2)));
 112     }
 113     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,12)  ));
 114     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,13)));
 115     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,14)));
 116     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,15)));
 117
 118     short unsigned int indexArray[] = { 0,2,1, 3,5,4,6,8,7, 9, 11, 10, 12,15,14,12,14,13};
 119     Dali::MeshData::FaceIndices index( indexArray, indexArray + sizeof(indexArray)/sizeof(short unsigned int) );
 120
 121     //Material
 122     Dali::Material material = Material::New("Material");
 123     material.SetDiffuseColor( Vector4(1.0f,1.0f,1.0f,1.0f));
 124
 125     //Create the Mesh object
 126     Dali::MeshData data;
 127     data.SetVertices(vertices);
 128     data.SetFaceIndices( index );
 129     data.SetMaterial( material );
 130     data.SetHasNormals( true );
 131     Mesh mesh = Mesh::New( data );
 132
 133     //Create the mesh actor
 134     MeshActor meshActor = MeshActor::New(mesh);
 135     meshActor.SetAnchorPoint( AnchorPoint::CENTER );
 136     meshActor.SetShaderEffect(shader);
 137     meshActor.SetPosition( center );
 138     meshActor.SetBlendMode(BlendingMode::ON );
 139     mView.Add( meshActor );
 140
 141
 142     //Animation
 143     Animation animation = Animation::New(5.0f);
 144     KeyFrames k0 = KeyFrames::New();
 145     k0.Add( 0.0f, Vector3( 0.0f,-radius, 0.0f) );
 146     k0.Add( 0.5f, Vector3(0.0f, -radius*4.0f, 0.0f));
 147     k0.Add( 1.0f, Vector3( 0.0f,-radius, 0.0f) );
 148     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(1)),k0,AlphaFunctions::EaseInOutSine );
 149
 150     k0 = KeyFrames::New();
 151     k0.Add( 0.0f, Vector3( radius, 0.0f, 0.0f) );
 152     k0.Add( 0.5f, Vector3(radius*4.0f,0.0f, 0.0f));
 153     k0.Add( 1.0f, Vector3( radius,0.0f, 0.0f));
 154     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(4)),k0,AlphaFunctions::EaseInOutSine );
 155
 156     k0 = KeyFrames::New();
 157     k0.Add( 0.0f, Vector3(0.0f,radius, 0.0f) );
 158     k0.Add( 0.5f, Vector3(0.0f,radius*4.0f, 0.0f));
 159     k0.Add( 1.0f, Vector3(0.0f,radius, 0.0f) );
 160     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(7)),k0,AlphaFunctions::EaseInOutSine );
 161
 162     k0 = KeyFrames::New();
 163     k0.Add( 0.0f, Vector3( -radius,  0.0f, 0.0f) );
 164     k0.Add( 0.5f, Vector3(-radius*4.0f,0.0f, 0.0f));
 165     k0.Add( 1.0f, Vector3( -radius,  0.0f, 0.0f) );
 166     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(10)),k0,AlphaFunctions::EaseInOutSine );
 167
 168     animation.AnimateBy( Property( meshActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(90.0f) ), Vector3::ZAXIS ) );
 169     animation.SetLooping( true );
 170     animation.Play();
 171   }
 172
 173   void CreateTriangleMorph( Vector3 center, float side )
 174   {
 175     float h = (side *0.5f)/0.866f;
 176
 177     Vector3 v0 = Vector3(-h,h,0.0f);
 178     Vector3 v1 = Vector3(0.0f,-(side*0.366f),0.0f );
 179     Vector3 v2 = Vector3(h,h,0.0f);
 180
 181     Vector3 v3 = v0 + ((v1-v0) * 0.5f);
 182     Vector3 v4 = v1 + ((v2-v1) * 0.5f);
 183     Vector3 v5 = v2 + ((v0-v2) * 0.5f);
 184
 185     Toolkit::QuadraticBezier shader = Toolkit::QuadraticBezier::New(12, true);
 186
 187     shader.SetPoint(0,v0);
 188     shader.SetPoint(1,v3);
 189     shader.SetPoint(2,v1);
 190
 191     shader.SetPoint(3,v1);
 192     shader.SetPoint(4,v4);
 193     shader.SetPoint(5,v2);
 194
 195     shader.SetPoint(6,v2);
 196     shader.SetPoint(7,v5);
 197     shader.SetPoint(8,v0);
 198
 199     shader.SetPoint(9, v0);
 200     shader.SetPoint(10,v1);
 201     shader.SetPoint(11,v2);
 202
 203     shader.SetColor(Vector4(0.0f,1.0f,0.0f,1.0f));
 204     shader.SetLineWidth(2.0f);
 205
 206     ////Generate the mesh
 207     Dali::MeshData::VertexContainer vertices;
 208     for( unsigned int i(0);i<9;i+=3 )
 209     {
 210       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,0.0f,i)) );
 211       vertices.push_back(  MeshData::Vertex( Vector3::ZERO, Vector2::ZERO,Vector3(0.5f,0.0f,i+1) ) );
 212       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(1.0f,1.0f,i+2)  ) );
 213     }
 214
 215     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,9)) );
 216     vertices.push_back(  MeshData::Vertex( Vector3::ZERO, Vector2::ZERO,Vector3(0.0f,1.0f,10) ) );
 217     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,11)  ) );
 218
 219     short unsigned int indexArray[] = { 0,2,1,3,5,4,6,8,7,9,11,10 };
 220     Dali::MeshData::FaceIndices index( indexArray, indexArray + sizeof(indexArray)/sizeof(short unsigned int) );
 221
 222     //Material
 223     Dali::Material material = Material::New("Material");
 224     material.SetDiffuseColor( Vector4(1.0f,1.0f,1.0f,1.0f));
 225
 226     //Create the Mesh object
 227     Dali::MeshData data;
 228     data.SetVertices(vertices);
 229     data.SetFaceIndices( index );
 230     data.SetMaterial( material );
 231     data.SetHasNormals( true );
 232     Mesh mesh = Mesh::New( data );
 233
 234 //    //Create the mesh actor
 235     MeshActor meshActor = MeshActor::New(mesh);
 236     meshActor.SetAnchorPoint( AnchorPoint::CENTER );
 237     meshActor.SetShaderEffect(shader);
 238     meshActor.SetPosition( center );
 239     meshActor.SetBlendMode(BlendingMode::ON );
 240     mView.Add( meshActor );
 241
 242     //Animation
 243     Animation animation = Animation::New(5.0f);
 244
 245     KeyFrames k0 = KeyFrames::New();
 246     k0.Add( 0.0f,v3  );
 247     k0.Add( 0.5f, v3 + Vector3(-200.0f,-200.0f,0.0f));
 248     k0.Add( 1.0f, v3 );
 249     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(1)),k0,AlphaFunctions::EaseInOutSine );
 250
 251     k0 = KeyFrames::New();
 252     k0.Add( 0.0f,v4  );
 253     k0.Add( 0.5f, v4 + Vector3(200.0f,-200.0f,0.0f));
 254     k0.Add( 1.0f, v4 );
 255     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(4)),k0,AlphaFunctions::EaseInOutSine );
 256
 257     k0 = KeyFrames::New();
 258     k0.Add( 0.0f,v5  );
 259     k0.Add( 0.5f, v5 + Vector3(0.0,200.0f,0.0f));
 260     k0.Add( 1.0f, v5 );
 261     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(7)),k0,AlphaFunctions::EaseInOutSine );
 262     animation.SetLooping( true );
 263     animation.Play();
 264   }
 265
 266   void CreatePathMorph( Vector3 center, float radius )
 267   {
 268     Toolkit::QuadraticBezier shader = Toolkit::QuadraticBezier::New(12, false);
 269
 270     shader.SetPoint(0, Vector3(-radius,-radius,0.0f));
 271     shader.SetPoint(1, Vector3( 0.0f,-radius,0.0f));
 272     shader.SetPoint(2, Vector3(radius,-radius,0.0f));
 273
 274     shader.SetPoint(3, Vector3(radius,-radius,0.0f));
 275     shader.SetPoint(4, Vector3( radius,0.0f,0.0f));
 276     shader.SetPoint(5, Vector3(radius,radius,0.0f));
 277
 278     shader.SetPoint(6, Vector3(radius,radius,0.0f));
 279     shader.SetPoint(7, Vector3( 0.0f,radius,0.0f));
 280     shader.SetPoint(8, Vector3( -radius,radius,0.0f));
 281
 282     shader.SetPoint(9,  Vector3( -radius,radius,0.0f));
 283     shader.SetPoint(10, Vector3( -radius,0.0f,0.0f));
 284     shader.SetPoint(11, Vector3(-radius,-radius,0.0f));
 285
 286     shader.SetColor(Vector4(1.0f,1.0f,0.0f,1.0f) );
 287     shader.SetLineWidth(1.5f);
 288
 289     ////Generate the mesh/S
 290     Dali::MeshData::VertexContainer vertices;
 291     for( unsigned int i(0); i<12; i+=3 )
 292     {
 293       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,0.0f,i)  ));
 294       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.5f,0.0f,i+1)));
 295       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(1.0f,1.0f,i+2)));
 296     }
 297
 298
 299     short unsigned int indexArray[] = { 0,2,1, 3,5,4,6,8,7, 9, 11, 10 };
 300     Dali::MeshData::FaceIndices index( indexArray, indexArray + sizeof(indexArray)/sizeof(short unsigned int) );
 301
 302     //Material
 303     Dali::Material material = Material::New("Material");
 304     material.SetDiffuseColor( Vector4(1.0f,1.0f,1.0f,1.0f));
 305
 306     //Create the Mesh object
 307     Dali::MeshData data;
 308     data.SetVertices(vertices);
 309     data.SetFaceIndices( index );
 310     data.SetMaterial( material );
 311     data.SetHasNormals( true );
 312     Mesh mesh = Mesh::New( data );
 313
 314     //Create the mesh actor
 315     MeshActor meshActor = MeshActor::New(mesh);
 316     meshActor.SetAnchorPoint( AnchorPoint::CENTER );
 317     meshActor.SetShaderEffect(shader);
 318     meshActor.SetPosition( center );
 319     meshActor.SetBlendMode(BlendingMode::ON );
 320     mView.Add( meshActor );
 321
 322
 323     //Animation
 324     Animation animation = Animation::New(5.0f);
 325     KeyFrames k0 = KeyFrames::New();
 326     k0.Add( 0.0f, Vector3( 0.0f,-radius*2.0, 0.0f) );
 327     k0.Add( 0.5f, Vector3(-radius*2.0, -radius*3.0f, 0.0f));
 328     k0.Add( 1.0f, Vector3( 0.0f,-radius*2.0, 0.0f) );
 329     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(1)),k0,AlphaFunctions::EaseInOutSine );
 330
 331     k0 = KeyFrames::New();
 332     k0.Add( 0.0f, Vector3( radius*2.0, 0.0f, 0.0f) );
 333     k0.Add( 0.5f, Vector3(radius*3.0f,-radius*2.0, 0.0f));
 334     k0.Add( 1.0f, Vector3( radius*2.0,0.0f, 0.0f));
 335     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(4)),k0,AlphaFunctions::EaseInOutSine );
 336
 337     k0 = KeyFrames::New();
 338     k0.Add( 0.0f, Vector3(0.0f,radius*2.0, 0.0f) );
 339     k0.Add( 0.5f, Vector3(radius*2.0,radius*3.0f, 0.0f));
 340     k0.Add( 1.0f, Vector3(0.0f,radius*2.0, 0.0f) );
 341     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(7)),k0,AlphaFunctions::EaseInOutSine );
 342
 343     k0 = KeyFrames::New();
 344     k0.Add( 0.0f, Vector3( -radius*2.0,  0.0f, 0.0f) );
 345     k0.Add( 0.5f, Vector3(-radius*3.0f,radius*2.0, 0.0f));
 346     k0.Add( 1.0f, Vector3( -radius*2.0,  0.0f, 0.0f) );
 347     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(10)),k0,AlphaFunctions::EaseInOutSine );
 348
 349     animation.AnimateBy( Property( meshActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(-90.0f) ), Vector3::ZAXIS ) );
 350     animation.SetLooping( true );
 351     animation.Play();
 352   }
 353
 354   /**
 355    * Main key event handler
 356    */
 357   void OnKeyEvent(const KeyEvent& event)
 358   {
 359     if( event.state == KeyEvent::Down && (IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ))  )
 360     {
 361       mApplication.Quit();
 362     }
 363   }
 364
 365 private:
 366   Application&                mApplication;
 367   Toolkit::View               mView;
 368 };
 369
 370 void RunTest( Application& application )
 371 {
 372   AnimatedShapesExample test( application );
 373   application.MainLoop();
 374 }
 375
 376 int main( int argc, char **argv )
 377 {
 378   Application application = Application::New( &argc, &argv );
 379   RunTest( application );
 380
 381   return 0;
 382 }