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