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