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+/*
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <dali/dali.h>
+#include <dali-toolkit/dali-toolkit.h>
+
+using namespace Dali;
+using namespace Toolkit;
+
+#define MATERIALS_MAX 24
+
+namespace
+{
+
+const char* BASIC_LIGHT_THEME( DEMO_STYLE_DIR "basic-light-theme.json" );
+const char* const CUSTOM_BASIC_LIGHT_THEME = "BasicLightButton";
+
+struct Material
+{
+ const char *name;
+ Vector3 ambient;
+ Vector3 diffuse;
+ Vector3 specular;
+ float shininess;
+};
+
+Material material[] =
+{
+ {"Emerald", Vector3( 0.0215f, 0.1745f, 0.0215f ), Vector3( 0.07568f, 0.61424f, 0.07568f ), Vector3( 0.633, 0.727811f, 0.633f ), 0.6f },
+ {"Jade", Vector3( 0.135f, 0.2225f, 0.1575f ), Vector3( 0.54f, 0.89f, 0.63f ), Vector3( 0.316228f, 0.316228f, 0.316228f ), 0.1f },
+ {"Obsidian", Vector3( 0.05375f, 0.05f, 0.06625f ), Vector3( 0.18275f, 0.17f, 0.22525f ), Vector3( 0.332741f, 0.328634f, 0.346435f ), 0.3f },
+ {"Perl", Vector3( 0.25f, 0.20725f, 0.20725f ), Vector3( 1.0f, 0.829f, 0.829f ), Vector3( 0.296648f, 0.296648f, 0.296648f ), 0.088f },
+ {"Ruby", Vector3( 0.1745f, 0.01175f, 0.01175f ), Vector3( 0.61424f, 0.04136f, 0.04136f ), Vector3( 0.727811f, 0.626959f, 0.626959f ), 0.6f },
+ {"Turquoise", Vector3( 0.1f, 0.18725f, 0.1745f ), Vector3( 0.396f, 0.74151f, 0.69102f ), Vector3( 0.297254, 0.30829f, 0.306678f ), 0.1f },
+ {"Brass", Vector3( 0.329412f, 0.223529f, 0.027451f ), Vector3( 0.780392f, 0.568627f, 0.113725f ), Vector3( 0.992157f, 0.941176f, 0.807843f ), 0.21794872f },
+ {"Bronze", Vector3( 0.2125f, 0.1275f, 0.054f ), Vector3( 0.714f, 0.4284f, 0.18144f ), Vector3( 0.393548f, 0.271906f, 0.166721f ), 0.2f },
+ {"Chrome", Vector3( 0.25f, 0.25f, 0.25f ), Vector3( 0.4f, 0.4f, 0.4f), Vector3( 0.774597f, 0.774597f, 0.774597f ), 0.6f },
+ {"Copper", Vector3( 0.19125f, 0.0735f, 0.0225f ), Vector3( 0.7038f, 0.27048f, 0.0828f ), Vector3( 0.256777f, 0.137622f, 0.086014f ), 0.1f },
+ {"Gold", Vector3( 0.24725f, 0.1995f, 0.0745f ), Vector3( 0.75164f, 0.60648f, 0.22648f ), Vector3( 0.628281f, 0.555802f, 0.366065f ), 0.4f },
+ {"Silver", Vector3( 0.19225f, 0.19225f, 0.19225f ), Vector3( 0.50754f, 0.50754f, 0.50754f ), Vector3( 0.508273f, 0.508273f, 0.508273f ), 0.4f },
+ {"Black plastic", Vector3( 0.0f, 0.0f, 0.0f ), Vector3( 0.01f, 0.01f, 0.01f ), Vector3( 0.50f, 0.50f, 0.50f ), 0.25f },
+ {"Cyan plastic", Vector3( 0.0f, 0.1f, 0.06f ), Vector3( 0.0f, 0.50980392f, 0.50980392f ), Vector3( 0.50196078f, 0.50196078f, 0.50196078f ), 0.25f },
+ {"Green plastic", Vector3( 0.0f, 0.0f, 0.0f ), Vector3( 0.1f, 0.35f, 0.1f ), Vector3( 0.45, 0.55, 0.45 ), 0.25f },
+ {"Red plastic", Vector3( 0.0f, 0.0f, 0.0f ), Vector3( 0.5f, 0.0f, 0.0f ), Vector3( 0.7f, 0.6f, 0.6f ), 0.25f },
+ {"White plastic", Vector3( 0.0f, 0.0f, 0.0f ), Vector3( 0.55f, 0.55f, 0.55f ), Vector3( 0.7f, 0.7f, 0.7f ), 0.25f },
+ {"Yellow plastic", Vector3( 0.0f, 0.0f, 0.0f ), Vector3( 0.5f, 0.5f, 0.0f ), Vector3( 0.6f, 0.6f, 0.5f ), 0.25f },
+ {"Black rubber", Vector3( 0.02f, 0.02f, 0.02f ), Vector3( 0.01f, 0.01f, 0.01f ), Vector3( 0.4f, 0.4f, 0.4f ), 0.078125f },
+ {"Cyan rubber", Vector3( 0.0f, 0.05f, 0.05f ), Vector3( 0.4f, 0.5f, 0.5f ), Vector3( 0.04f, 0.7f, 0.7f ), 0.078125f },
+ {"Green rubber", Vector3( 0.0f, 0.05f, 0.0f ), Vector3( 0.4f, 0.5f, 0.4f ), Vector3( 0.04f, 0.7f, 0.04f ), 0.078125f },
+ {"Red rubber", Vector3( 0.05f, 0.0f, 0.0f ), Vector3( 0.5f, 0.4f, 0.4f ), Vector3( 0.7f, 0.04f, 0.04f ), 0.078125f },
+ {"White rubber", Vector3( 0.05f, 0.05f, 0.05f ), Vector3( 0.5f, 0.5f, 0.5f ), Vector3( 0.7f, 0.7f, 0.7f ), 0.078125f },
+ {"Yellow rubber", Vector3( 0.05f, 0.05f, 0.0f ), Vector3( 0.5f, 0.5f, 0.4f ), Vector3( 0.7f, 0.7f, 0.04f ), 0.078125f }
+};
+
+int MaterialID = 0;
+
+/*
+ * Vertex shader
+ */
+const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
+attribute mediump vec3 aPosition;\n // DALi shader builtin
+attribute mediump vec3 aNormal;\n // DALi shader builtin
+uniform mediump mat4 uMvpMatrix;\n // DALi shader builtin
+uniform mediump vec3 uSize;\n // DALi shader builtin
+uniform mediump mat4 uModelView;\n // DALi shader builtin
+uniform mediump mat3 uNormalMatrix;\n // DALi shader builtin
+\n
+varying mediump vec3 vNormal;\n
+varying mediump vec3 vFragPos;\n
+\n
+void main()\n
+{\n
+ mediump vec4 vertexPosition = vec4(aPosition, 1.0);\n
+ vertexPosition.xyz *= uSize;\n
+ vFragPos = vec3(uModelView * vertexPosition);\n
+ vNormal = uNormalMatrix * aNormal;\n
+ \n
+ gl_Position = uMvpMatrix * vertexPosition;\n
+}\n
+);
+
+/*
+ * Fragment shader
+ */
+const char* FRAGMENT_SHADER = DALI_COMPOSE_SHADER(
+varying mediump vec3 vNormal;\n
+varying mediump vec3 vFragPos;\n
+uniform mediump vec3 viewPos;\n // custom uniform
+\n
+struct Material {\n
+ mediump vec3 ambient;\n
+ mediump vec3 diffuse;\n
+ mediump vec3 specular;\n
+ mediump float shininess;\n
+};\n
+struct Light {\n
+ mediump vec3 position;\n
+ mediump vec3 color;\n
+};\n
+uniform Material material;\n // custom uniform
+uniform Light light;\n // custom uniform
+\n
+void main()\n
+{\n
+\n // Ambient
+ mediump vec3 ambient = material.ambient * light.color;\n
+\n // Diffuse
+ mediump vec3 norm = normalize(vNormal);\n
+ mediump vec3 lightDir = normalize(light.position - vFragPos);\n
+ mediump float diff = max(dot(norm, lightDir), 0.0);\n
+ mediump vec3 diffuse = material.diffuse * diff * light.color;\n
+ \n
+\n // Specular
+ mediump vec3 viewDir = normalize(viewPos - vFragPos);\n
+ mediump vec3 reflectDir = reflect(-lightDir, norm); \n
+ mediump float spec = pow(max(dot(viewDir, reflectDir), 0.0), material.shininess);\n
+ mediump vec3 specular = material.specular * spec * light.color; \n
+ mediump vec3 result = (ambient + diffuse + specular);\n
+ gl_FragColor = vec4(result, 1.0);\n
+}\n
+);
+
+}
+
+// This example shows per-pixel lighting of materials with different ambient, diffuse, specular and shininess parameters
+//
+class BasicLightController : public ConnectionTracker
+{
+public:
+
+ BasicLightController( Application& application )
+ : mApplication( application )
+ {
+ // Connect to the Application's Init signal
+ mApplication.InitSignal().Connect( this, &BasicLightController::Create );
+ }
+
+ ~BasicLightController()
+ {
+ // Nothing to do here;
+ }
+
+ // The Init signal is received once (only) during the Application lifetime
+ void Create( Application& application )
+ {
+ // Get a handle to the stage
+ Stage stage = Stage::GetCurrent();
+ stage.SetBackgroundColor( Color::BLACK );
+ mLabel = TextLabel::New( material[MaterialID].name );
+ mLabel.SetAnchorPoint( AnchorPoint::TOP_CENTER );
+ mLabel.SetParentOrigin( Vector3( 0.5f, 0.0f, 0.5f ) );
+ mLabel.SetSize( stage.GetSize().x * 0.5f, stage.GetSize().y * 0.083f );
+ mLabel.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
+ mLabel.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
+ mLabel.SetProperty( TextLabel::Property::TEXT_COLOR, Vector4( 1.0f, 1.0f, 1.0f, 1.0f ));
+ stage.Add( mLabel );
+ mButton = PushButton::New();
+ mButton.SetProperty( Button::Property::LABEL, "Exit" );
+ mButton.SetParentOrigin( ParentOrigin::CENTER );
+ mButton.SetAnchorPoint( AnchorPoint::CENTER );
+ mButton.ClickedSignal().Connect( this, &BasicLightController::OnExit );
+ mButton.SetParentOrigin( Vector3( 0.5f, 0.1f, 0.5f ) );
+ mButton.SetStyleName(CUSTOM_BASIC_LIGHT_THEME);
+ mButton.SetColor( Vector4( material[MaterialID].diffuse) + Vector4( 0.0f, 0.0f, 0.0f, 1.0f ) );
+ stage.Add(mButton);
+
+ // Step 1. Create shader
+ CreateCubeShader();
+
+ // Step 2. Prepare geometry
+ CreateCubeGeometry();
+
+ // Step 3. Create a renderer
+ CreateRenderer();
+
+ // Step 4. Create an Actor
+ CreateActor();
+
+ // Step 5. Play animation to rotate the cube
+ PlayAnimation();
+
+ // Respond to a click anywhere on the stage
+ stage.GetRootLayer().TouchSignal().Connect( this, &BasicLightController::OnTouch );
+
+ // Respond to key events
+ stage.KeyEventSignal().Connect( this, &BasicLightController::OnKeyEvent );
+ }
+
+ /**
+ * This function will change the material of the cube when touched
+ */
+ bool OnTouch( Actor actor, const TouchData& touch )
+ {
+ if(touch.GetState(0) == PointState::UP)
+ {
+ MaterialID++;
+ MaterialID %= MATERIALS_MAX;
+
+ mShader.SetProperty( mShader.GetPropertyIndex( "material.ambient" ), material[MaterialID].ambient );
+ mShader.SetProperty( mShader.GetPropertyIndex( "material.diffuse" ), material[MaterialID].diffuse );
+ mShader.SetProperty( mShader.GetPropertyIndex( "material.specular" ), material[MaterialID].specular );
+ mShader.SetProperty( mShader.GetPropertyIndex( "material.shininess" ), material[MaterialID].shininess * 128.0f );
+ mLabel.SetProperty( TextLabel::Property::TEXT, material[MaterialID].name );
+ mButton.SetColor( Vector4(material[MaterialID].diffuse) + Vector4(0.0f, 0.0f, 0.0f, 1.0f) );
+ }
+ return true;
+ }
+
+ /**
+ * This function will the terminate the application when the exit button is pressed
+ */
+ bool OnExit( Button button )
+ {
+ mApplication.Quit();
+ return true;
+ }
+
+ /**
+ * @brief Called when any key event is received
+ *
+ * Will use this to quit the application if Back or the Escape key is received
+ * @param[in] event The key event information
+ */
+ void OnKeyEvent( const KeyEvent& event )
+ {
+ if( event.state == KeyEvent::Down )
+ {
+ if ( IsKey( event, Dali::DALI_KEY_ESCAPE ) || IsKey( event, Dali::DALI_KEY_BACK ) )
+ {
+ mApplication.Quit();
+ }
+ }
+ }
+
+ /**
+ * This function creates a cube geometry including texture coordinates.
+ * Also it demonstrates using the indexed draw feature by setting an index array.
+ */
+ void CreateCubeGeometry()
+ {
+ struct Vertex
+ {
+ Vector3 aPosition;
+ Vector3 aNormal;
+ };
+
+ const Vector3 NORMAL0(-1.0f, 0.0f, 0.0f );
+ const Vector3 NORMAL1( 0.0f, 1.0f, 0.0f );
+ const Vector3 NORMAL2( 0.0f,-1.0f, 0.0f );
+ const Vector3 NORMAL3( 0.0f, 0.0f, 1.0f );
+ const Vector3 NORMAL4( 1.0f, 0.0f, 0.0f );
+ const Vector3 NORMAL5( 0.0f, 0.0f,-1.0f );
+
+ Vertex vertices[] = {
+ { Vector3( 1.0f,-1.0f,-1.0f ), NORMAL5 },
+ { Vector3( -1.0f, 1.0f,-1.0f ), NORMAL5 },
+ { Vector3( 1.0f, 1.0f,-1.0f ), NORMAL5 },
+ { Vector3( -1.0f, 1.0f, 1.0f ), NORMAL3 },
+ { Vector3( 1.0f,-1.0f, 1.0f ), NORMAL3 },
+ { Vector3( 1.0f, 1.0f, 1.0f ), NORMAL3 },
+ { Vector3( 1.0f, 1.0f, 1.0f ), NORMAL4 },
+ { Vector3( 1.0f,-1.0f,-1.0f ), NORMAL4 },
+ { Vector3( 1.0f, 1.0f,-1.0f ), NORMAL4 },
+ { Vector3( 1.0f,-1.0f, 1.0f ), NORMAL1 },
+ { Vector3( -1.0f,-1.0f,-1.0f ), NORMAL1 },
+ { Vector3( 1.0f,-1.0f,-1.0f ), NORMAL1 },
+ { Vector3( -1.0f,-1.0f,-1.0f ), NORMAL0 },
+ { Vector3( -1.0f, 1.0f, 1.0f ), NORMAL0 },
+ { Vector3( -1.0f, 1.0f,-1.0f ), NORMAL0 },
+ { Vector3( 1.0f, 1.0f,-1.0f ), NORMAL2 },
+ { Vector3( -1.0f, 1.0f, 1.0f ), NORMAL2 },
+ { Vector3( 1.0f, 1.0f, 1.0f ), NORMAL2 },
+ { Vector3( 1.0f,-1.0f,-1.0f ), NORMAL5 },
+ { Vector3( -1.0f,-1.0f,-1.0f ), NORMAL5 },
+ { Vector3( -1.0f, 1.0f,-1.0f ), NORMAL5 },
+ { Vector3( -1.0f, 1.0f, 1.0f ), NORMAL3 },
+ { Vector3( -1.0f,-1.0f, 1.0f ), NORMAL3 },
+ { Vector3( 1.0f,-1.0f, 1.0f ), NORMAL3 },
+ { Vector3( 1.0f, 1.0f, 1.0f ), NORMAL4 },
+ { Vector3( 1.0f,-1.0f, 1.0f ), NORMAL4 },
+ { Vector3( 1.0f,-1.0f,-1.0f ), NORMAL4 },
+ { Vector3( 1.0f,-1.0f, 1.0f ), NORMAL1 },
+ { Vector3( -1.0f,-1.0f, 1.0f ), NORMAL1 },
+ { Vector3( -1.0f,-1.0f,-1.0f ), NORMAL1 },
+ { Vector3( -1.0f,-1.0f,-1.0f ), NORMAL0 },
+ { Vector3( -1.0f,-1.0f, 1.0f ), NORMAL0 },
+ { Vector3( -1.0f, 1.0f, 1.0f ), NORMAL0 },
+ { Vector3( 1.0f, 1.0f,-1.0f ), NORMAL2 },
+ { Vector3( -1.0f, 1.0f,-1.0f ), NORMAL2 },
+ { Vector3( -1.0f, 1.0f, 1.0f ), NORMAL2 },
+ };
+
+ Property::Map property;
+ property.Insert( "aPosition", Property::VECTOR3 );
+ property.Insert( "aNormal", Property::VECTOR3 );
+
+ PropertyBuffer vertexBuffer = PropertyBuffer::New( property );
+
+ vertexBuffer.SetData( vertices, sizeof(vertices) / sizeof(Vertex) );
+
+ // create indices
+ const unsigned short INDEX_CUBE[] = {
+ 2, 1, 0,
+ 5, 4, 3,
+ 8, 7, 6,
+ 11, 10, 9,
+ 14, 13, 12,
+ 17, 16, 15,
+ 20, 19, 18,
+ 23, 22, 21,
+ 26, 25, 24,
+ 29, 28, 27,
+ 32, 31, 30,
+ 35, 34, 33
+ };
+ mGeometry = Geometry::New();
+ mGeometry.AddVertexBuffer( vertexBuffer );
+ mGeometry.SetIndexBuffer( INDEX_CUBE,
+ sizeof(INDEX_CUBE)/sizeof(INDEX_CUBE[0])
+ );
+ mGeometry.SetType( Geometry::TRIANGLES );
+ }
+
+ /**
+ * Creates a shader using inlined variable VERTEX_SHADER and FRAGMENT_SHADER
+ *
+ * Shaders are very basic and all they do is transforming vertices and interpolating
+ * input per-vertex color.
+ */
+ void CreateCubeShader()
+ {
+ mShader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER );
+
+ float scale = 120.0f;
+ mShader.RegisterProperty( "light.position",Vector3( 1.2 * scale, scale, 2.0 * scale ) );
+ mShader.RegisterProperty( "light.color", Vector3( 1.0f, 1.0f, 1.0f ) );
+ mShader.RegisterProperty( "viewPos", Vector3( 0, 0, 3.0 * scale ) );
+
+ mShader.RegisterProperty( "material.ambient", material[MaterialID].ambient );
+ mShader.RegisterProperty( "material.diffuse", material[MaterialID].diffuse );
+ mShader.RegisterProperty( "material.specular", material[MaterialID].specular );
+ mShader.RegisterProperty( "material.shininess", material[MaterialID].shininess * 128.0f );
+ }
+
+ /**
+ * Function creates renderer. It turns on depth test and depth write.
+ */
+ void CreateRenderer()
+ {
+ mRenderer = Renderer::New( mGeometry, mShader );
+
+ // Face culling is enabled to hide the backwards facing sides of the cube
+ // This is sufficient to render a single object; for more complex scenes depth-testing might be required
+ mRenderer.SetProperty( Renderer::Property::FACE_CULLING_MODE, FaceCullingMode::BACK );
+ }
+
+ /**
+ * Creates new actor and attaches renderer.
+ */
+ void CreateActor()
+ {
+ Stage stage = Stage::GetCurrent();
+
+ float quarterStageWidth = stage.GetSize().x * 0.25f;
+ mActor = Actor::New();
+ mActor.SetColor( Vector4( 1.0f, 1.0f, 0.6f, 1.0f ) );
+ mActor.SetAnchorPoint( AnchorPoint::CENTER );
+ mActor.SetParentOrigin( ParentOrigin::CENTER );
+ mActor.SetSize( Vector3( quarterStageWidth, quarterStageWidth, quarterStageWidth ) );
+ mActor.AddRenderer( mRenderer );
+ stage.Add( mActor );
+ }
+
+ /**
+ * Plays animation
+ */
+ void PlayAnimation()
+ {
+ mAnimation = Animation::New( 15.0f );
+ mAnimation.SetLooping( true );
+ mAnimation.AnimateBy( Property( mActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree( 360 )), Vector3::ZAXIS ) );
+ mAnimation.AnimateBy( Property( mActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree( 360 )), Vector3::YAXIS ) );
+ mAnimation.AnimateBy( Property( mActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree( 360 )), Vector3::XAXIS ) );
+ mAnimation.Play();
+ }
+
+private:
+ Application& mApplication;
+ TextLabel mLabel;
+ PushButton mButton;
+ Renderer mRenderer;
+ Shader mShader;
+ Geometry mGeometry;
+ Actor mActor;
+ Animation mAnimation;
+};
+
+void RunTest( Application& application )
+{
+ BasicLightController test( application );
+
+ application.MainLoop();
+}
+
+// Entry point for Linux & Tizen applications
+//
+int DALI_EXPORT_API main( int argc, char **argv )
+{
+ Application application = Application::New( &argc, &argv, BASIC_LIGHT_THEME);
+
+ RunTest( application );
+
+ return 0;
+}
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