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     ImageAttributes attributes;
  64     Image image = ResourceImage::New( BACKGROUND_IMAGE, attributes );
  65
  66
  67     Dali::ImageActor backgroundImageActor = Dali::ImageActor::New( image );
  68     mView.SetBackground( backgroundImageActor );
  69
  70     CreateTriangleMorph(Vector3( stage.GetSize().x*0.5f,stage.GetSize().y*0.15f,0.0f), 100.0f );
  71     CreateCircleMorph( Vector3( stage.GetSize().x*0.5f,stage.GetSize().y*0.85f,0.0f), 60.0f );
  72     CreatePathMorph( Vector3( stage.GetSize().x*0.5f,stage.GetSize().y*0.5f,0.0f), 55.0f );
  73
  74
  75     stage.KeyEventSignal().Connect(this, &AnimatedShapesExample::OnKeyEvent);
  76   }
  77
  78   void CreateCircleMorph( Vector3 center, float radius )
  79   {
  80     Toolkit::QuadraticBezier shader = Toolkit::QuadraticBezier::New(16, true);
  81
  82     shader.SetPoint(0, Vector3(-radius,-radius,0.0f));
  83     shader.SetPoint(1, Vector3( 0.0f,-radius,0.0f));
  84     shader.SetPoint(2, Vector3(radius,-radius,0.0f));
  85
  86     shader.SetPoint(3, Vector3(radius,-radius,0.0f));
  87     shader.SetPoint(4, Vector3( radius,0.0f,0.0f));
  88     shader.SetPoint(5, Vector3(radius,radius,0.0f));
  89
  90     shader.SetPoint(6, Vector3(radius,radius,0.0f));
  91     shader.SetPoint(7, Vector3( 0.0f,radius,0.0f));
  92     shader.SetPoint(8, Vector3( -radius,radius,0.0f));
  93
  94     shader.SetPoint(9,  Vector3( -radius,radius,0.0f));
  95     shader.SetPoint(10, Vector3( -radius,0.0f,0.0f));
  96     shader.SetPoint(11, Vector3(-radius,-radius,0.0f));
  97
  98     shader.SetPoint(12, Vector3(-radius,-radius,0.0f));
  99     shader.SetPoint(13, Vector3(radius,-radius,0.0f));
 100     shader.SetPoint(14, Vector3(radius,radius,0.0f));
 101     shader.SetPoint(15, Vector3( -radius,radius,0.0f));
 102
 103     shader.SetColor(Vector4(1.0f,0.0f,0.0f,1.0f) );
 104     shader.SetLineWidth(2.0f);
 105
 106     ////Generate the mesh
 107     Dali::MeshData::VertexContainer vertices;
 108     for( unsigned int i(0); i<12; i+=3 )
 109     {
 110       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,0.0f,i)  ));
 111       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.5f,0.0f,i+1)));
 112       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(1.0f,1.0f,i+2)));
 113     }
 114     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,12)  ));
 115     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,13)));
 116     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,14)));
 117     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,15)));
 118
 119     short unsigned int indexArray[] = { 0,2,1, 3,5,4,6,8,7, 9, 11, 10, 12,15,14,12,14,13};
 120     Dali::MeshData::FaceIndices index( indexArray, indexArray + sizeof(indexArray)/sizeof(short unsigned int) );
 121
 122     //Material
 123     Dali::Material material = Material::New("Material");
 124     material.SetDiffuseColor( Vector4(1.0f,1.0f,1.0f,1.0f));
 125
 126     //Create the Mesh object
 127     Dali::MeshData data;
 128     data.SetVertices(vertices);
 129     data.SetFaceIndices( index );
 130     data.SetMaterial( material );
 131     data.SetHasNormals( true );
 132     Mesh mesh = Mesh::New( data );
 133
 134     //Create the mesh actor
 135     MeshActor meshActor = MeshActor::New(mesh);
 136     meshActor.SetAnchorPoint( AnchorPoint::CENTER );
 137     meshActor.SetShaderEffect(shader);
 138     meshActor.SetPosition( center );
 139     meshActor.SetBlendMode(BlendingMode::ON );
 140     mView.Add( meshActor );
 141
 142
 143     //Animation
 144     Animation animation = Animation::New(5.0f);
 145     KeyFrames k0 = KeyFrames::New();
 146     k0.Add( 0.0f, Vector3( 0.0f,-radius, 0.0f) );
 147     k0.Add( 0.5f, Vector3(0.0f, -radius*4.0f, 0.0f));
 148     k0.Add( 1.0f, Vector3( 0.0f,-radius, 0.0f) );
 149     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(1)),k0,AlphaFunctions::EaseInOutSine );
 150
 151     k0 = KeyFrames::New();
 152     k0.Add( 0.0f, Vector3( radius, 0.0f, 0.0f) );
 153     k0.Add( 0.5f, Vector3(radius*4.0f,0.0f, 0.0f));
 154     k0.Add( 1.0f, Vector3( radius,0.0f, 0.0f));
 155     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(4)),k0,AlphaFunctions::EaseInOutSine );
 156
 157     k0 = KeyFrames::New();
 158     k0.Add( 0.0f, Vector3(0.0f,radius, 0.0f) );
 159     k0.Add( 0.5f, Vector3(0.0f,radius*4.0f, 0.0f));
 160     k0.Add( 1.0f, Vector3(0.0f,radius, 0.0f) );
 161     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(7)),k0,AlphaFunctions::EaseInOutSine );
 162
 163     k0 = KeyFrames::New();
 164     k0.Add( 0.0f, Vector3( -radius,  0.0f, 0.0f) );
 165     k0.Add( 0.5f, Vector3(-radius*4.0f,0.0f, 0.0f));
 166     k0.Add( 1.0f, Vector3( -radius,  0.0f, 0.0f) );
 167     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(10)),k0,AlphaFunctions::EaseInOutSine );
 168
 169     animation.AnimateBy( Property( meshActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(90.0f) ), Vector3::ZAXIS ) );
 170     animation.SetLooping( true );
 171     animation.Play();
 172   }
 173
 174   void CreateTriangleMorph( Vector3 center, float side )
 175   {
 176     float h = (side *0.5f)/0.866f;
 177
 178     Vector3 v0 = Vector3(-h,h,0.0f);
 179     Vector3 v1 = Vector3(0.0f,-(side*0.366f),0.0f );
 180     Vector3 v2 = Vector3(h,h,0.0f);
 181
 182     Vector3 v3 = v0 + ((v1-v0) * 0.5f);
 183     Vector3 v4 = v1 + ((v2-v1) * 0.5f);
 184     Vector3 v5 = v2 + ((v0-v2) * 0.5f);
 185
 186     Toolkit::QuadraticBezier shader = Toolkit::QuadraticBezier::New(12, true);
 187
 188     shader.SetPoint(0,v0);
 189     shader.SetPoint(1,v3);
 190     shader.SetPoint(2,v1);
 191
 192     shader.SetPoint(3,v1);
 193     shader.SetPoint(4,v4);
 194     shader.SetPoint(5,v2);
 195
 196     shader.SetPoint(6,v2);
 197     shader.SetPoint(7,v5);
 198     shader.SetPoint(8,v0);
 199
 200     shader.SetPoint(9, v0);
 201     shader.SetPoint(10,v1);
 202     shader.SetPoint(11,v2);
 203
 204     shader.SetColor(Vector4(0.0f,1.0f,0.0f,1.0f));
 205     shader.SetLineWidth(2.0f);
 206
 207     ////Generate the mesh
 208     Dali::MeshData::VertexContainer vertices;
 209     for( unsigned int i(0);i<9;i+=3 )
 210     {
 211       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,0.0f,i)) );
 212       vertices.push_back(  MeshData::Vertex( Vector3::ZERO, Vector2::ZERO,Vector3(0.5f,0.0f,i+1) ) );
 213       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(1.0f,1.0f,i+2)  ) );
 214     }
 215
 216     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,9)) );
 217     vertices.push_back(  MeshData::Vertex( Vector3::ZERO, Vector2::ZERO,Vector3(0.0f,1.0f,10) ) );
 218     vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,1.0f,11)  ) );
 219
 220     short unsigned int indexArray[] = { 0,2,1,3,5,4,6,8,7,9,11,10 };
 221     Dali::MeshData::FaceIndices index( indexArray, indexArray + sizeof(indexArray)/sizeof(short unsigned int) );
 222
 223     //Material
 224     Dali::Material material = Material::New("Material");
 225     material.SetDiffuseColor( Vector4(1.0f,1.0f,1.0f,1.0f));
 226
 227     //Create the Mesh object
 228     Dali::MeshData data;
 229     data.SetVertices(vertices);
 230     data.SetFaceIndices( index );
 231     data.SetMaterial( material );
 232     data.SetHasNormals( true );
 233     Mesh mesh = Mesh::New( data );
 234
 235 //    //Create the mesh actor
 236     MeshActor meshActor = MeshActor::New(mesh);
 237     meshActor.SetAnchorPoint( AnchorPoint::CENTER );
 238     meshActor.SetShaderEffect(shader);
 239     meshActor.SetPosition( center );
 240     meshActor.SetBlendMode(BlendingMode::ON );
 241     mView.Add( meshActor );
 242
 243     //Animation
 244     Animation animation = Animation::New(5.0f);
 245
 246     KeyFrames k0 = KeyFrames::New();
 247     k0.Add( 0.0f,v3  );
 248     k0.Add( 0.5f, v3 + Vector3(-200.0f,-200.0f,0.0f));
 249     k0.Add( 1.0f, v3 );
 250     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(1)),k0,AlphaFunctions::EaseInOutSine );
 251
 252     k0 = KeyFrames::New();
 253     k0.Add( 0.0f,v4  );
 254     k0.Add( 0.5f, v4 + Vector3(200.0f,-200.0f,0.0f));
 255     k0.Add( 1.0f, v4 );
 256     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(4)),k0,AlphaFunctions::EaseInOutSine );
 257
 258     k0 = KeyFrames::New();
 259     k0.Add( 0.0f,v5  );
 260     k0.Add( 0.5f, v5 + Vector3(0.0,200.0f,0.0f));
 261     k0.Add( 1.0f, v5 );
 262     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(7)),k0,AlphaFunctions::EaseInOutSine );
 263     animation.SetLooping( true );
 264     animation.Play();
 265   }
 266
 267   void CreatePathMorph( Vector3 center, float radius )
 268   {
 269     Toolkit::QuadraticBezier shader = Toolkit::QuadraticBezier::New(12, false);
 270
 271     shader.SetPoint(0, Vector3(-radius,-radius,0.0f));
 272     shader.SetPoint(1, Vector3( 0.0f,-radius,0.0f));
 273     shader.SetPoint(2, Vector3(radius,-radius,0.0f));
 274
 275     shader.SetPoint(3, Vector3(radius,-radius,0.0f));
 276     shader.SetPoint(4, Vector3( radius,0.0f,0.0f));
 277     shader.SetPoint(5, Vector3(radius,radius,0.0f));
 278
 279     shader.SetPoint(6, Vector3(radius,radius,0.0f));
 280     shader.SetPoint(7, Vector3( 0.0f,radius,0.0f));
 281     shader.SetPoint(8, Vector3( -radius,radius,0.0f));
 282
 283     shader.SetPoint(9,  Vector3( -radius,radius,0.0f));
 284     shader.SetPoint(10, Vector3( -radius,0.0f,0.0f));
 285     shader.SetPoint(11, Vector3(-radius,-radius,0.0f));
 286
 287     shader.SetColor(Vector4(1.0f,1.0f,0.0f,1.0f) );
 288     shader.SetLineWidth(1.5f);
 289
 290     ////Generate the mesh/S
 291     Dali::MeshData::VertexContainer vertices;
 292     for( unsigned int i(0); i<12; i+=3 )
 293     {
 294       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.0f,0.0f,i)  ));
 295       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(0.5f,0.0f,i+1)));
 296       vertices.push_back( MeshData::Vertex( Vector3::ZERO, Vector2::ZERO, Vector3(1.0f,1.0f,i+2)));
 297     }
 298
 299
 300     short unsigned int indexArray[] = { 0,2,1, 3,5,4,6,8,7, 9, 11, 10 };
 301     Dali::MeshData::FaceIndices index( indexArray, indexArray + sizeof(indexArray)/sizeof(short unsigned int) );
 302
 303     //Material
 304     Dali::Material material = Material::New("Material");
 305     material.SetDiffuseColor( Vector4(1.0f,1.0f,1.0f,1.0f));
 306
 307     //Create the Mesh object
 308     Dali::MeshData data;
 309     data.SetVertices(vertices);
 310     data.SetFaceIndices( index );
 311     data.SetMaterial( material );
 312     data.SetHasNormals( true );
 313     Mesh mesh = Mesh::New( data );
 314
 315     //Create the mesh actor
 316     MeshActor meshActor = MeshActor::New(mesh);
 317     meshActor.SetAnchorPoint( AnchorPoint::CENTER );
 318     meshActor.SetShaderEffect(shader);
 319     meshActor.SetPosition( center );
 320     meshActor.SetBlendMode(BlendingMode::ON );
 321     mView.Add( meshActor );
 322
 323
 324     //Animation
 325     Animation animation = Animation::New(5.0f);
 326     KeyFrames k0 = KeyFrames::New();
 327     k0.Add( 0.0f, Vector3( 0.0f,-radius*2.0, 0.0f) );
 328     k0.Add( 0.5f, Vector3(-radius*2.0, -radius*3.0f, 0.0f));
 329     k0.Add( 1.0f, Vector3( 0.0f,-radius*2.0, 0.0f) );
 330     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(1)),k0,AlphaFunctions::EaseInOutSine );
 331
 332     k0 = KeyFrames::New();
 333     k0.Add( 0.0f, Vector3( radius*2.0, 0.0f, 0.0f) );
 334     k0.Add( 0.5f, Vector3(radius*3.0f,-radius*2.0, 0.0f));
 335     k0.Add( 1.0f, Vector3( radius*2.0,0.0f, 0.0f));
 336     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(4)),k0,AlphaFunctions::EaseInOutSine );
 337
 338     k0 = KeyFrames::New();
 339     k0.Add( 0.0f, Vector3(0.0f,radius*2.0, 0.0f) );
 340     k0.Add( 0.5f, Vector3(radius*2.0,radius*3.0f, 0.0f));
 341     k0.Add( 1.0f, Vector3(0.0f,radius*2.0, 0.0f) );
 342     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(7)),k0,AlphaFunctions::EaseInOutSine );
 343
 344     k0 = KeyFrames::New();
 345     k0.Add( 0.0f, Vector3( -radius*2.0,  0.0f, 0.0f) );
 346     k0.Add( 0.5f, Vector3(-radius*3.0f,radius*2.0, 0.0f));
 347     k0.Add( 1.0f, Vector3( -radius*2.0,  0.0f, 0.0f) );
 348     animation.AnimateBetween( Property(shader, shader.GetPointPropertyName(10)),k0,AlphaFunctions::EaseInOutSine );
 349
 350     animation.AnimateBy( Property( meshActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(-90.0f) ), Vector3::ZAXIS ) );
 351     animation.SetLooping( true );
 352     animation.Play();
 353   }
 354
 355   /**
 356    * Main key event handler
 357    */
 358   void OnKeyEvent(const KeyEvent& event)
 359   {
 360     if( event.state == KeyEvent::Down && (IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ))  )
 361     {
 362       mApplication.Quit();
 363     }
 364   }
 365
 366 private:
 367   Application&                mApplication;
 368   Toolkit::View               mView;
 369 };
 370
 371 void RunTest( Application& application )
 372 {
 373   AnimatedShapesExample test( application );
 374   application.MainLoop();
 375 }
 376
 377 int main( int argc, char **argv )
 378 {
 379   Application application = Application::New( &argc, &argv );
 380   RunTest( application );
 381
 382   return 0;
 383 }