textured-mesh-example.cpp
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/*
* Copyright (c) 2021 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.
*
*/
// EXTERNAL INCLUDES
#include <dali-toolkit/dali-toolkit.h>
// INTERNAL INCLUDES
#include "generated/textured-mesh-frag.h"
#include "generated/textured-mesh-vert.h"
#include "shared/utility.h"
#include "shared/view.h"
using namespace Dali;
namespace
{
const char* MATERIAL_SAMPLE(DEMO_IMAGE_DIR "gallery-small-48.jpg");
const char* MATERIAL_SAMPLE2(DEMO_IMAGE_DIR "gallery-medium-19.jpg");
/**
* Sinusoidal curve starting at zero with 2 cycles
*/
float AlphaFunctionSineX2(float progress)
{
return 0.5f - cosf(progress * 4.0f * Math::PI) * 0.5f;
}
} // anonymous namespace
// This example shows how to use a simple mesh
//
class ExampleController : public ConnectionTracker
{
public:
/**
* The example controller constructor.
* @param[in] application The application instance
*/
ExampleController(Application& application)
: mApplication(application)
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect(this, &ExampleController::Create);
}
/**
* The example controller destructor
*/
~ExampleController()
{
// Nothing to do here;
}
/**
* Invoked upon creation of application
* @param[in] application The application instance
*/
void Create(Application& application)
{
// The Init signal is received once (only) during the Application lifetime
Window window = application.GetWindow();
window.KeyEventSignal().Connect(this, &ExampleController::OnKeyEvent);
mWindowSize = window.GetSize();
Texture texture1 = DemoHelper::LoadTexture(MATERIAL_SAMPLE);
Texture texture2 = DemoHelper::LoadTexture(MATERIAL_SAMPLE2);
mShader = Shader::New(SHADER_TEXTURED_MESH_VERT, SHADER_TEXTURED_MESH_FRAG);
mTextureSet1 = TextureSet::New();
mTextureSet1.SetTexture(0u, texture1);
mTextureSet2 = TextureSet::New();
mTextureSet2.SetTexture(0u, texture2);
mGeometry = DemoHelper::CreateTexturedQuad();
mRenderer = Renderer::New(mGeometry, mShader);
mRenderer.SetTextures(mTextureSet1);
mMeshActor = Actor::New();
mMeshActor.AddRenderer(mRenderer);
mMeshActor.SetProperty(Actor::Property::SIZE, Vector2(400, 400));
Property::Index fadeColorIndex = mRenderer.RegisterProperty("uFadeColor", Color::MAGENTA);
mRenderer.SetProperty(Renderer::Property::DEPTH_INDEX, 0);
mMeshActor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER);
mMeshActor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER);
window.Add(mMeshActor);
mRenderer2 = Renderer::New(mGeometry, mShader);
mRenderer2.SetTextures(mTextureSet2);
mMeshActor2 = Actor::New();
mMeshActor2.AddRenderer(mRenderer2);
mMeshActor2.SetProperty(Actor::Property::SIZE, Vector2(400, 400));
mMeshActor2.RegisterProperty("anotherProperty", Color::GREEN);
mRenderer2.RegisterProperty("anotherProperty", Vector3::ZERO);
mRenderer2.RegisterProperty("aCoefficient", 0.008f);
Property::Index fadeColorIndex2 = mRenderer2.RegisterProperty("uFadeColor", Color::BLUE);
mRenderer2.SetProperty(Renderer::Property::DEPTH_INDEX, 0);
mMeshActor2.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
mMeshActor2.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
window.Add(mMeshActor2);
Animation animation = Animation::New(5);
KeyFrames keyFrames = KeyFrames::New();
keyFrames.Add(0.0f, Vector4::ZERO);
keyFrames.Add(1.0f, Vector4(Color::GREEN));
KeyFrames keyFrames2 = KeyFrames::New();
keyFrames2.Add(0.0f, Vector4::ZERO);
keyFrames2.Add(1.0f, Color::MAGENTA);
animation.AnimateBetween(Property(mRenderer, fadeColorIndex), keyFrames, AlphaFunction(AlphaFunction::SIN));
animation.AnimateBetween(Property(mRenderer2, fadeColorIndex2), keyFrames2, AlphaFunction(AlphaFunctionSineX2));
animation.SetLooping(true);
animation.Play();
window.SetBackgroundColor(Vector4(0.0f, 0.2f, 0.2f, 1.0f));
}
/**
* Invoked whenever the quit button is clicked
* @param[in] button the quit button
*/
bool OnQuitButtonClicked(Toolkit::Button button)
{
// quit the application
mApplication.Quit();
return true;
}
void OnKeyEvent(const KeyEvent& event)
{
if(event.GetState() == KeyEvent::DOWN)
{
if(IsKey(event, Dali::DALI_KEY_ESCAPE) || IsKey(event, Dali::DALI_KEY_BACK))
{
mApplication.Quit();
}
}
}
private:
Application& mApplication; ///< Application instance
Vector3 mWindowSize; ///< The size of the window
Shader mShader;
TextureSet mTextureSet1;
TextureSet mTextureSet2;
Geometry mGeometry;
Renderer mRenderer;
Actor mMeshActor;
Renderer mRenderer2;
Actor mMeshActor2;
Timer mChangeImageTimer;
};
int DALI_EXPORT_API main(int argc, char** argv)
{
Application application = Application::New(&argc, &argv);
ExampleController test(application);
application.MainLoop();
return 0;
}