void PaintingBeingsApp::draw()
{
gl::clear(ColorAf::gray(0.6f));
gl::setViewport(getWindowBounds());
gl::setMatrices(_camera);
glMultMatrixf(_arcball.getQuat());
if (_showWireFrame)
gl::enableWireframe();
else
gl::disableWireframe();
if (_launchAlgoGen)
{
if (!_showImageBeing)
{
_image.getTexture().enableAndBind();
gl::draw(_image.getTexture(), _rectangleTextutre);
_image.getTexture().unbind();
gl::Texture textureAlgoGen = _algoGen.getBestImage();
textureAlgoGen.enableAndBind();
gl::draw(textureAlgoGen, _rectangleAlgoGen);
textureAlgoGen.unbind();
}
else
{
_imageBeing.draw(_algoGen.getBestImage());
}
}
_params.draw();
}
void GpGpuApp::mouseDrag( MouseEvent event )
{
if ( event.isControlDown() ) {
mArcball.mouseDrag( event.getPos() );
} else {
Vec2f pos = Vec2f( event.getPos() );
mMouseVelocity = pos - mMouse;
mMouse = pos;
}
}
void GpGpuApp::mouseDown( MouseEvent event )
{
if ( event.isControlDown() ) {
mArcball.mouseDown( event.getPos() );
} else {
mMouseVelocity = Vec2f::zero();
mMouse = Vec2f( event.getPos() );
mMouseDown = true;
}
}
void PaintingBeingsApp::resetCamera()
{
float eyeZ = static_cast<float>(_rectangleTextutre.getWidth()) * 2.5f;
if (_showImageBeing)
eyeZ = static_cast<float>(_image.getMiniatureSize()) * 2.5f;
float radiusArcBall = static_cast<float>(getWindowHeight() * 0.5f);
float fieldOfView = 75.0f;
float nearCamera = 0.1f;
float farCamera = 1000000.0f;
_camera = CameraPersp(getWindowWidth(), getWindowHeight(), fieldOfView, nearCamera, farCamera);
_camera.lookAt(Vec3f(0.0f, 0.0f, eyeZ), Vec3f::zero());
_arcball = Arcball(getWindowSize());
_arcball.setRadius(radiusArcBall);
}
void PaintingBeingsApp::setup()
{
setStop();
// Setup des paramètres de OpenGL
glShadeModel(GL_SMOOTH);
gl::enable(GL_POLYGON_SMOOTH);
glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST);
gl::enableAlphaBlending();
gl::enableDepthRead();
gl::enableDepthWrite();
// Setup Capture webcam
_capture = Capture(640, 480);
_capture.start();
// Setup camera
float fieldOfView = 75.0f;
float nearCamera = 0.1f;
float farCamera = 1000000.0f;
_camera = CameraPersp(getWindowWidth(), getWindowHeight(), fieldOfView, nearCamera, farCamera);
_camera.lookAt(Vec3f(0.0f, 0.0f, 50.0f), Vec3f::zero());
// Setup arcball (camera rotation)
float radiusArcBall = static_cast<float>(getWindowHeight() * 0.5f);
_arcball = Arcball(getWindowSize());
_arcball.setRadius(radiusArcBall);
// Génération de la population d'ImageBeing
_imageBeing = ImageBeing();
_rectangleAlgoGen.set(-75.0f, 25.0f, -25.0f, -25.0f);
_rectangleTextutre.set(25.0f, 25.0f, 75.0f, -25.0f);
// Setup de l'interface
_params = params::InterfaceGl("Options", Vec2i(200, 400));
updateInterface(false);
}
void GpGpuApp::draw()
{
// We're going to draw new data onto the "ping" FBO,
// using the "pong" FBO's textures as input
size_t pong = ( mFboIndex + 1 ) % 2;
// Set up OpenGL for data
gl::disableDepthRead();
gl::disableDepthWrite();
gl::setViewport( mFbo[ mFboIndex ].getBounds() );
gl::color( ColorAf::white() );
// Draw any new input onto the acceleration texture
mFbo[ pong ].bindFramebuffer();
glDrawBuffer( GL_COLOR_ATTACHMENT2 );
if ( mMouseDown ) {
Vec2f fboSize = Vec2f( mFbo[ mFboIndex ].getSize() );
Vec2f winSize = Vec2f( app::getWindowSize() );
gl::setMatricesWindow( fboSize, true );
Vec2f brushSize = Vec2f::one() * mBrushSize * fboSize;
Vec2f pos = ( mMouse / winSize );
pos.y = 1.0f - pos.y;
pos *= fboSize;
mGlslProgGpGpu0->bind();
mGlslProgGpGpu0->uniform( "color", ColorAf( mMouseVelocity.x, 0.0f, 1.0f - mMouseVelocity.y, 1.0f ) );
mGlslProgGpGpu0->uniform( "tex", 0 );
gl::enable( GL_TEXTURE_2D );
mTextureBrush->bind();
gl::drawSolidRect( Rectf( pos - brushSize, pos + brushSize ) );
mTextureBrush->unbind();
gl::disable( GL_TEXTURE_2D );
mGlslProgGpGpu0->unbind();
}
mFbo[ pong ].unbindFramebuffer();
// Now let's do an update pass in GLSL
mFbo[ mFboIndex ].bindFramebuffer();
gl::setMatricesWindow( mFbo[ mFboIndex ].getSize(), false );
// Bind the "pong" textures to use as input data
for ( int32_t i = 0; i < 3; ++i ) {
mFbo[ pong ].bindTexture( i, i );
}
// Set up shader to read data textures
mGlslProgGpGpu1->bind();
mGlslProgGpGpu1->uniform( "offsets", 0 );
mGlslProgGpGpu1->uniform( "velocities", 1 );
mGlslProgGpGpu1->uniform( "acceleration", 2 );
// Draw a rect to process data
glDrawBuffers( 3, kColorAttachments );
gl::drawSolidRect( mFbo[ pong ].getBounds() );
// Unbind everything
mFbo[ pong ].unbindTexture();
mGlslProgGpGpu1->unbind();
mFbo[ mFboIndex ].unbindFramebuffer();
// Swap FBOs
mFboIndex = pong;
/////////////////////////////////
// Make sure we have data to work with before we draw geometry
if ( mFbo[ mFboIndex ] &&
mFbo[ mFboIndex ].getTexture( 0 ) &&
mFbo[ mFboIndex ].getTexture( 1 ) ) {
// Set up window for 3D drawing
gl::clear( Colorf( 0.5f, 0.45f, 0.4f ) );
gl::setViewport( getWindowBounds() );
gl::setMatrices( mCamera );
gl::enableDepthRead();
gl::enableDepthWrite();
gl::multModelView( mArcball.getQuat() );
gl::color( ColorAf::black() );
// Set up shader to render scene
mGlslProgDraw->bind();
mGlslProgDraw->uniform( "Ax", mLightAmbient );
mGlslProgDraw->uniform( "Ac", mLightAttenuationConstant );
mGlslProgDraw->uniform( "Al", mLightAttenuationLinear );
mGlslProgDraw->uniform( "Aq", mLightAttenuationQuadratic );
mGlslProgDraw->uniform( "Dx", mLightDiffuse );
mGlslProgDraw->uniform( "eyePoint", mEyePoint );
mGlslProgDraw->uniform( "Ka", mMaterialAmbient );
mGlslProgDraw->uniform( "Kd", mMaterialDiffuse );
mGlslProgDraw->uniform( "Ke", mMaterialEmissive );
mGlslProgDraw->uniform( "Ks", mMaterialSpecular );
mGlslProgDraw->uniform( "lightPos", mLightPosition );
mGlslProgDraw->uniform( "n", mLightShine );
mGlslProgDraw->uniform( "offsets", 0 );
mGlslProgDraw->uniform( "projection", mCamera.getProjectionMatrix() );
mGlslProgDraw->uniform( "size", Vec2f( mSize ) );
mGlslProgDraw->uniform( "Sx", mLightSpecular );
mGlslProgDraw->uniform( "t", (float)getElapsedSeconds() );
// Bind textures to use as input data
for ( int32_t i = 0; i <= 2; ++i ) {
mFbo[ mFboIndex ].bindTexture( i, i );
}
// Draw instanced
drawInstanced( mMesh, mSize.x * mSize.y );
// Finished drawing
mFbo[ mFboIndex ].unbindTexture();
mGlslProgDraw->unbind();
// Draw textures so we can see what's going on under the hood
gl::setMatricesWindow( getWindowSize() );
gl::disableDepthRead();
gl::disableDepthWrite();
gl::color( ColorAf::white() );
gl::pushMatrices();
float x = 20.0f;
float y = 440.0f;
float width = 64.0f;
Area srcArea( Vec2i::zero(), mSize );
Rectf destRect( x, y, x + width, y + width );
gl::draw( mFbo[ 0 ].getTexture( 0 ), srcArea, destRect );
destRect.x1 += width;
destRect.x2 += width;
gl::draw( mFbo[ 1 ].getTexture( 0 ), srcArea, destRect );
destRect.y1 += width;
destRect.y2 += width;
destRect.x1 = x;
destRect.x2 = x + width;
gl::draw( mFbo[ 0 ].getTexture( 1 ), srcArea, destRect );
destRect.x1 += width;
destRect.x2 += width;
gl::draw( mFbo[ 1 ].getTexture( 1 ), srcArea, destRect );
destRect.y1 += width;
destRect.y2 += width;
destRect.x1 = x;
destRect.x2 = x + width;
gl::draw( mFbo[ 0 ].getTexture( 2 ), srcArea, destRect );
destRect.x1 += width;
destRect.x2 += width;
gl::draw( mFbo[ 1 ].getTexture( 2 ), srcArea, destRect );
gl::popMatrices();
}
// Draw parameters
if ( getElapsedFrames() > 1 ) { // This condition prevents a memory leak
mParams->draw();
}
}
void GpGpuApp::setup()
{
// Load shaders
try {
mGlslProgDraw = gl::GlslProg::create( loadResource( RES_GLSL_DRAW_VERT ), loadResource( RES_GLSL_DRAW_FRAG ) );
} catch ( gl::GlslProgCompileExc ex ) {
console() << ex.what() << "\n";
quit();
}
try {
mGlslProgGpGpu0 = gl::GlslProg::create( loadResource( RES_GLSL_GPGPU_VERT ), loadResource( RES_GLSL_GPGPU0_FRAG ) );
} catch ( gl::GlslProgCompileExc ex ) {
console() << ex.what() << "\n";
quit();
}
try {
mGlslProgGpGpu1 = gl::GlslProg::create( loadResource( RES_GLSL_GPGPU_VERT ), loadResource( RES_GLSL_GPGPU1_FRAG ) );
} catch ( gl::GlslProgCompileExc ex ) {
console() << ex.what() << "\n";
quit();
}
// Define all properties
mArcball = Arcball( getWindowSize() );
mBrushSize = 0.1f;
mCamera = CameraPersp( getWindowWidth(), getWindowHeight(), 60.0f, 1.0f, 100000.0f );
mEyePoint = Vec3f( 0.0f, 20.0f, 256.0f );
mFullScreen = isFullScreen();
mFullScreenPrev = mFullScreen;
mLightAmbient = ColorAf::gray( 0.1f );
mLightAttenuationConstant = 0.1f;
mLightAttenuationLinear = 0.01f;
mLightAttenuationQuadratic = 0.001f;
mLightDiffuse = ColorAf( 0.9f, 0.3f, 0.667f );
mLightPosition = Vec3f( 11.38f, -1.39f, 59.74f );
mLightSpecular = ColorAf::white();
mLightShine = 1.0f;
mMaterialAmbient = 1.0f;
mMaterialDiffuse = 1.0f;
mMaterialEmissive = 0.0f;
mMaterialSpecular = 1.0f;
mMesh = gl::VboMesh::create( MeshHelper::createCube() );
mMouseDown = false;
mMouse = Vec2f::zero();
mMouseVelocity = Vec2f::zero();
mParams = params::InterfaceGl::create( "Params", Vec2i( 250, 400 ) );
mSize = Vec2i( 512, 512 );
mSizePrev = Vec2i::zero();
mTextureBrush = gl::Texture::create( loadImage( loadResource( RES_PNG_BRUSH ) ) );
// Set up arcball
mArcball.setRadius( (float)getWindowHeight() * 0.5f );
// Set up parameters
mParams->addParam( "Frame rate", &mFrameRate, "", true );
mParams->addParam( "Full screen", &mFullScreen, "key=f" );
mParams->addButton( "Quit", bind( &GpGpuApp::quit, this ), "key=q" );
mParams->addSeparator( "" );
mParams->addParam( "Brush size", &mBrushSize, "min=0.0 max=1.0 step=0.001" );
mParams->addParam( "Size X", &mSize.x, "min=1 max=1024 step=1" );
mParams->addParam( "Size Y", &mSize.y, "min=1 max=1024 step=1" );
mParams->addSeparator( "" );
mParams->addParam( "Light ambient", &mLightAmbient );
mParams->addParam( "Light att const", &mLightAttenuationConstant, "min=0.0 max=1.0 step=0.001" );
mParams->addParam( "Light att line", &mLightAttenuationLinear, "min=0.0 max=1.0 step=0.0001" );
mParams->addParam( "Light att quad", &mLightAttenuationQuadratic, "min=0.0 max=1.0 step=0.00001" );
mParams->addParam( "Light diffuse", &mLightDiffuse );
mParams->addParam( "Light position", &mLightPosition );
mParams->addParam( "Light specular", &mLightSpecular );
mParams->addParam( "Light shine", &mLightShine, "min=0.0 max=100000.0 step=1.0" );
mParams->addSeparator( "" );
mParams->addParam( "Material ambient", &mMaterialAmbient, "min=0.0 max=1.0 step=0.001" );
mParams->addParam( "Material diffuse", &mMaterialDiffuse, "min=0.0 max=1.0 step=0.001" );
mParams->addParam( "Material emissive", &mMaterialEmissive, "min=0.0 max=1.0 step=0.001" );
mParams->addParam( "Material specular", &mMaterialSpecular, "min=0.0 max=1.0 step=0.001" );
}
void PaintingBeingsApp::mouseDrag(MouseEvent event)
{
_arcball.mouseDrag(event.getPos());
}
void VboMeshSampleApp::setup()
{
// Setting an unrealistically high frame rate effectively
// disables frame rate limiting
setFrameRate( 10000.0f );
setWindowSize( 800, 600 );
// Set up OpenGL to work with default lighting
glShadeModel( GL_SMOOTH );
gl::enable( GL_POLYGON_SMOOTH );
glHint( GL_POLYGON_SMOOTH_HINT, GL_NICEST );
gl::enable( GL_NORMALIZE );
gl::enableAlphaBlending();
gl::enableDepthRead();
gl::enableDepthWrite();
// Load the texture map
mTexture = gl::Texture( loadImage( loadResource( RES_TEXTURE ) ) );
// Define properties
mFrameRate = 0.0f;
mFullScreen = false;
mLightEnabled = true;
mMeshIndex = 0;
mNumSegments = 48;
mNumSegmentsPrev = mNumSegments;
mScale = Vec3f::one();
mTextureEnabled = true;
mWireframe = false;
// Set up the arcball
mArcball = Arcball( getWindowSize() );
mArcball.setRadius( (float)getWindowHeight() * 0.5f );
// Set up the camera
mCamera = CameraPersp( getWindowWidth(), getWindowHeight(), 60.0f, 0.0001f, 10.0f );
mCamera.lookAt( Vec3f( 0.0f, 0.0f, -5.0f ), Vec3f::zero() );
// Set up the light
mLight = new gl::Light( gl::Light::DIRECTIONAL, 0 );
mLight->setAmbient( ColorAf::white() );
mLight->setDiffuse( ColorAf::white() );
mLight->setDirection( Vec3f::one() );
mLight->setPosition( Vec3f::one() * -1.0f );
mLight->setSpecular( ColorAf::white() );
mLight->enable();
// Define the mesh titles for the params GUI
mMeshTitles.push_back( "Cube" );
mMeshTitles.push_back( "Sphere" );
mMeshTitles.push_back( "Cylinder" );
mMeshTitles.push_back( "Cone" );
mMeshTitles.push_back( "Circle" );
mMeshTitles.push_back( "Square" );
mMeshTitles.push_back( "Ring" );
mMeshTitles.push_back( "Custom" );
// Set up the params GUI
mParams = params::InterfaceGl( "Params", Vec2i( 200, 320 ) );
mParams.addParam( "Frame rate", &mFrameRate, "", true );
mParams.addSeparator();
mParams.addParam( "Enable light", &mLightEnabled, "key=l" );
mParams.addParam( "Enable texture", &mTextureEnabled, "key=t" );
mParams.addParam( "Mesh type", mMeshTitles, &mMeshIndex, "keyDecr=m keyIncr=M" );
mParams.addParam( "Scale", &mScale );
mParams.addParam( "Segments", &mNumSegments, "keyDecr=s keyIncr=S min=3 max=1024 step=1" );
mParams.addParam( "Wireframe", &mWireframe, "key=w" );
mParams.addSeparator();
mParams.addParam( "Full screen", &mFullScreen, "key=f" );
mParams.addButton( "Screen shot", bind( &VboMeshSampleApp::screenShot, this ), "key=space" );
mParams.addButton( "Quit", bind( &VboMeshSampleApp::quit, this ), "key=q" );
// Generate meshes
createMeshes();
}
void VboMeshSampleApp::mouseDrag( MouseEvent event )
{
// Rotate with arcball
mArcball.mouseDrag( event.getPos() );
}
void VboMeshSampleApp::draw()
{
// Set up window
gl::setViewport( getWindowBounds() );
gl::setMatrices( mCamera );
gl::clear( ColorAf::gray( 0.6f ) );
// Use arcball to rotate model view
glMultMatrixf( mArcball.getQuat() );
// Enabled lighting, texture mapping, wireframe
if ( mLightEnabled ) {
gl::enable( GL_LIGHTING );
}
if ( mTextureEnabled && mTexture ) {
gl::enable( GL_TEXTURE_2D );
mTexture.bind();
}
if ( mWireframe ) {
gl::enableWireframe();
}
// Apply scale
gl::pushMatrices();
gl::scale( mScale );
// Draw selected mesh
switch ( (MeshType)mMeshIndex ) {
case MESH_TYPE_CIRCLE:
gl::draw( mCircle );
break;
case MESH_TYPE_CONE:
gl::draw( mCone );
break;
case MESH_TYPE_CUBE:
gl::draw( mCube );
break;
case MESH_TYPE_CUSTOM:
gl::draw( mCustom );
break;
case MESH_TYPE_CYLINDER:
gl::draw( mCylinder );
break;
case MESH_TYPE_RING:
gl::draw( mRing );
break;
case MESH_TYPE_SPHERE:
gl::draw( mSphere );
break;
case MESH_TYPE_SQUARE:
gl::draw( mSquare );
break;
}
// End scale
gl::popMatrices();
// Disable wireframe, texture mapping, lighting
if ( mWireframe ) {
gl::disableWireframe();
}
if ( mTextureEnabled && mTexture ) {
mTexture.unbind();
gl::disable( GL_TEXTURE_2D );
}
if ( mLightEnabled ) {
gl::disable( GL_LIGHTING );
}
// Draw params GUI
mParams.draw();
}
