void Fluid2DTextureApp::draw()
{
// clear out the window with black
gl::clear( Color( 0, 0, 0 ) );
gl::setMatricesWindow( getWindowWidth(), getWindowHeight() );
// Update the positions and tex coords
Rectf drawRect = getWindowBounds();
int limX = mFluid2D.resX() - 1;
int limY = mFluid2D.resY() - 1;
float dx = drawRect.getWidth()/(float)limX;
float dy = drawRect.getHeight()/(float)limY;
for( int j = 0; j < mFluid2D.resY(); ++j ) {
for( int i = 0; i < mFluid2D.resX(); ++i ) {
Vec2f P = Vec2f( i*dx, j*dy );
Vec2f uv = mFluid2D.texCoordAt( i, j );
int idx = j*mFluid2D.resX() + i;
mTriMesh.getVertices()[idx] = P;
mTriMesh.getTexCoords()[idx] = uv;
}
}
mTex.bind();
gl::draw( mTriMesh );
mTex.unbind();
mParams.draw();
}
void Pumpkin::drawPumpkin(const ci::gl::Texture & PumpkinTexture)
{
PumpkinTexture.bind();
ci::gl::translate(mPos);
ci::gl::rotate(ci::Vec3f(180.f, 0.f, 0.f));
ci::gl::drawCube(ci::Vec3f(ci::Vec3f::zero()), mSize);
PumpkinTexture.unbind();
}
void TownwindowHit::drawTownwindow(const ci::gl::Texture& mTownwindowTexture)
{
mTownwindowTexture.bind();
ci::gl::translate(mPos);
ci::gl::rotate(ci::Vec3f(180.f, 0.f, 0.f));
ci::gl::drawCube(ci::Vec3f(ci::Vec3f::zero()), mSize);
mTownwindowTexture.unbind();
}
void King2::drawKing2(const ci::gl::Texture& texture)
{
texture.bind();
ci::gl::translate(mPos);
ci::gl::rotate(mRotate);
ci::gl::drawCube(ci::Vec3f(ci::Vec3f::zero()), mSize);
texture.unbind();
}
// Receives Color data
void MeshApp::onColorData( Surface8u surface, const DeviceOptions& deviceOptions )
{
if ( mTextureColor ) {
mTextureColor.update( surface, surface.getBounds() );
} else {
mTextureColor = gl::Texture( surface );
mTextureColor.setWrap( GL_REPEAT, GL_REPEAT );
}
}
// Runs update logic
void UiApp::update()
{
// Update frame rate
mFrameRate = getAverageFps();
// Toggle fullscreen
if ( mFullScreen != isFullScreen() ) {
setFullScreen( mFullScreen );
}
// Interact with first hand
const Leap::HandList& hands = mFrame.hands();
if ( hands.isEmpty() ) {
mCursorType = CursorType::NONE;
} else {
const Leap::Hand& hand = *hands.begin();
// Update cursor position
mCursorPositionTarget = warpVector( hand.palmPosition() );
if ( mCursorType == CursorType::NONE ) {
mCursorPosition = mCursorPositionTarget;
}
// Choose cursor type based on number of exposed fingers
switch ( hand.fingers().count() ) {
case 0:
mCursorType = CursorType::GRAB;
// Slider
if ( mSlider.getBounds().contains( mCursorPosition - mSliderPosition ) ) {
float x1 = mTrackPosition.x;
float x2 = mTrackPosition.x + (float)( mTrack.getWidth() - mSlider.getWidth() );
mSliderPosition.x = math<float>::clamp( mCursorPosition.x, x1, x2 );
}
break;
case 1:
mCursorType = CursorType::TOUCH;
// Buttons
mFingerTipPosition = warpPointable( *hand.fingers().begin() );
for ( size_t i = 0; i < 3; ++i ) {
mButtonState[ i ] = false;
if ( mButton[ 0 ].getBounds().contains( mFingerTipPosition - mButtonPosition[ i ] ) ) {
mButtonState[ i ] = true;
}
}
break;
default:
mCursorType = CursorType::HAND;
break;
}
}
// Smooth cursor animation
mCursorPosition = mCursorPosition.lerp( 0.21f, mCursorPositionTarget );
}
void Shader::uniformTexture( const std::string &name, ci::gl::Texture tex, int slot )
{
glActiveTexture( GL_TEXTURE0 + slot );
glEnable( tex.getTarget() );
glBindTexture( tex.getTarget(), tex.getId() );
glDisable( tex.getTarget() );
GLint loc = getUniformLocation( name );
glUniform1i( loc, slot );
glActiveTexture( GL_TEXTURE0 );
}
void Cinderella::drawCinderella(const ci::gl::Texture & texture, const ci::Vec3f& offset)
{
ci::gl::pushModelView();
texture.bind();
ci::gl::translate(mPos);
ci::gl::rotate(mRotate);
ci::gl::translate(offset);
ci::gl::drawCube(ci::Vec3f(ci::Vec3f::zero()), mSize);
texture.unbind();
ci::gl::popModelView();
}
// Render
void MeshApp::draw()
{
// Set up window
gl::clear( ColorAf::black(), true );
gl::setMatrices( mCamera );
gl::color( ColorAf::white() );
// Check texture and VBO
if ( mTextureDepth && mTextureColor && mVboMesh ) {
// Position world
gl::pushMatrices();
gl::scale( -1.0f, -1.0f, -1.0f );
gl::rotate( mRotation );
// Bind textures
mTextureDepth.bind( 0 );
mTextureColor.bind( 1 );
// Bind and configure shader
mShader.bind();
mShader.uniform( "brightTolerance", mBrightTolerance );
mShader.uniform( "eyePoint", mEyePoint );
mShader.uniform( "lightAmbient", mLightAmbient );
mShader.uniform( "lightDiffuse", mLightDiffuse );
mShader.uniform( "lightPosition", mLightPosition );
mShader.uniform( "lightSpecular", mLightSpecular );
mShader.uniform( "positions", 0 );
mShader.uniform( "scale", mScale );
mShader.uniform( "showColor", mShowColor );
mShader.uniform( "shininess", mLightShininess );
mShader.uniform( "Color", 1 );
mShader.uniform( "ColorOffset", Vec2f( mColorOffsetX, mColorOffsetY ) );
mShader.uniform( "uvmix", mMeshUvMix );
// Draw VBO
gl::draw( mVboMesh );
// Stop drawing
mShader.unbind();
mTextureDepth.unbind();
mTextureColor.unbind();
gl::popMatrices();
}
// Draw params
params::InterfaceGl::draw();
}
void SpriteSheet::init(ci::gl::Texture spriteImage, std::string xmlPath, int DataFormat){
__spriteData = SpriteDataParser::parseSpriteData(xmlPath, DataFormat);
__spriteImage = spriteImage;
__currentFrame = 0;
__totalFrames = __spriteData.size();
__textureWidth = spriteImage.getWidth();
__textureHeight = spriteImage.getHeight();
x = 0;
y = 0;
scale = 1.0f;
rotation = 0.0f;
alpha = 1.0f;
}
void BulletTestApp::unbindTexture( uint32_t index )
{
if ( mTest > 4 ) {
if ( index == 0 ) {
mTexTerrain.unbind();
} else {
if ( mTest < 7 ) {
mTexSphere.unbind();
}
}
} else {
if ( ( ( mTest == 0 || mTest == 3 ) && index > 0 ) || mTest == 1 ) {
mTexSquare.unbind();
}
}
}
void ClientApp::update()
{
mClient.poll();
mFrameRate = getFrameRate();
if ( mFullScreen != isFullScreen() ) {
setFullScreen( mFullScreen );
}
double e = getElapsedSeconds();
if ( mPing && e - mPingTime > 3.0 ) {
mClient.ping();
mPingTime = e;
}
if ( mTextPrev != mText ) {
mTextPrev = mText;
if ( mText.empty() ) {
mTexture.reset();
} else {
TextBox tbox = TextBox().alignment( TextBox::CENTER ).font( mFont ).size( Vec2i( mSize.x, TextBox::GROW ) ).text( mText );
tbox.setColor( ColorAf( 1.0f, 0.8f, 0.75f, 1.0f ) );
tbox.setBackgroundColor( ColorAf::black() );
tbox.setPremultiplied( false );
mSize.y = tbox.measure().y;
mTexture = gl::Texture( tbox.render() );
}
}
}
// Receives video data
void SkeletonBitmapApp::onVideoData( Surface8u surface, const DeviceOptions &deviceOptions )
{
if ( mTexture ) {
mTexture.update( surface );
} else {
mTexture = gl::Texture( surface );
}
}
void BulletTestApp::setup()
{
mDragging = false;
mFrameRate = 0.0f;
mTest = 9;
mTestPrev = mTest;
// Set up lighting
mLight = new gl::Light( gl::Light::DIRECTIONAL, 0 );
mLight->setDirection( Vec3f( 0.0f, 0.1f, 0.3f ).normalized() );
mLight->setAmbient( ColorAf( 0.2f, 0.2f, 0.2f, 1.0f ) );
mLight->setDiffuse( ColorAf( 1.0f, 1.0f, 1.0f, 1.0f ) );
mLight->enable();
// Load meshes
loadModels();
// Create a Bullet dynamics world
mWorld = bullet::createWorld();
// Load texture
mTexSquare = gl::Texture( loadImage( loadResource( RES_TEX_SQUARE ) ) );
mTexSphere = gl::Texture( loadImage( loadResource( RES_TEX_SPHERE ) ) );
mTexTerrain = gl::Texture( loadImage( loadResource( RES_TEX_TERRAIN ) ) );
mTexTerrain.setWrap( GL_REPEAT, GL_REPEAT );
mTexTerrain.unbind();
// Init terrain pointer
mTerrain = 0;
// Parameters
mParams = params::InterfaceGl( "Params", Vec2i( 200, 120 ) );
mParams.addParam( "Frame Rate", &mFrameRate, "", true );
mParams.addParam( "Test", &mTest, "min=0 max=9 step=1 keyDecr=t keyIncr=T" );
mParams.addButton( "Drop", bind( &BulletTestApp::drop, this ), "key=space" );
mParams.addButton( "Screen shot", bind( &BulletTestApp::screenShot, this ), "key=s" );
mParams.addButton( "Quit", bind( &BulletTestApp::quit, this ), "key=q" );
// Initialize
initTest();
// Run first resize to initialize view
resize( ResizeEvent( getWindowSize() ) );
}
void FloorView::draw()
{
const ci::gl::Texture fbotex = fbo.getTexture();
gl::enableAdditiveBlending();
fbotex.enableAndBind();
//draw fbo with shader
shader->bind();
shader->uniform( "alpha", alpha->value() );
drawQuad();
shader->unbind();
fbotex.unbind();
gl::enableAlphaBlending();
}
void BulletTestApp::unbindTexture( TextureType type )
{
switch( type )
{
case TT_GROUND :
mTexGround.unbind();
break;
case TT_BACKBOARD :
mTexBackBoard.unbind();
break;
case TT_RING :
mTexRing.unbind();
break;
case TT_BASKETBALL :
mTexBasketBall.unbind();
break;
}
}
void BulletTestApp::setup()
{
// Set test mode
mTest = 0;
mTestPrev = mTest;
// Set up lighting
mLight = new gl::Light( gl::Light::DIRECTIONAL, 0 );
mLight->setDirection( Vec3f( 0.0f, 0.1f, 0.3f ).normalized() );
mLight->setAmbient( ColorAf( 0.2f, 0.2f, 0.2f, 1.0f ) );
mLight->setDiffuse( ColorAf( 1.0f, 1.0f, 1.0f, 1.0f ) );
mLight->enable();
// Load meshes
loadModels();
// Create a Bullet dynamics world
mWorld = bullet::createWorld();
// Load texture
mTexSquare = gl::Texture( loadImage( loadResource( RES_TEX_SQUARE ) ) );
mTexSphere = gl::Texture( loadImage( loadResource( RES_TEX_SPHERE ) ) );
mTexTerrain = gl::Texture( loadImage( loadResource( RES_TEX_TERRAIN ) ) );
mTexTerrain.setWrap( GL_REPEAT, GL_REPEAT );
mTexTerrain.unbind();
// Init terrain pointer
mTerrain = 0;
// Parameters
mFrameRate = 0.0f;
mParams = params::InterfaceGl( "Params", Vec2i( 150, 100) );
mParams.addParam( "Frame Rate", &mFrameRate, "", true );
mParams.addParam( "Test", &mTest, "min=0 max=7 step=1 keyDecr=d keyIncr=D" );
// Initialize
initTest();
// Run first resize to initialize view
resize( ResizeEvent( getWindowSize() ) );
}
KeyBackground::KeyBackground(const Vec2f& initPosition, const ci::gl::Texture& closeKeyboard, const ci::ColorA& color)
:alphaColorPlashka(0.0f),
showing(false),
initPosition(initPosition),
plashkaHeight(592.0f),
bgHeight(1920.0f - 592.0f - initPosition.x),
closeKeyboard(closeKeyboard)
{
#ifdef PORTRAIT_RES
auto positionY = 885.0f - closeKeyboard.getHeight() * 0.5f;
#else
auto positionY = 600.0f - closeKeyboard.getHeight() * 0.5f;
#endif
auto positionX = (1080.0f - closeKeyboard.getWidth()) * 0.5f;
btn = ImageButtonSpriteRef(new ImageButtonSprite(closeKeyboard));
btn->setPosition(initPosition + Vec2f(positionX, positionY));
addChild(btn);
mainColor = color;
}
void MovieLoaderTestApp::draw()
{
// clear out the window with black
gl::clear( Color( 0, 0, 0 ) );
if (!mMovieSelected) return;
if (mTexture) {
Rectf centeredRect = Rectf( mTexture.getBounds() ).getCenteredFit( getWindowBounds(), true );
gl::draw(mTexture, centeredRect);
}
}
void _TBOX_PREFIX_App::draw()
{
gl::clear( Color( 0.2f, 0.2f, 0.3f ) );
gl::enableDepthRead();
mTex.bind();
gl::setMatrices( mCam );
glPushMatrix();
gl::multModelView( mCubeRotation );
gl::drawCube( Vec3f::zero(), Vec3f( 2.0f, 2.0f, 2.0f ) );
glPopMatrix();
}
// Render
void SkeletonBitmapApp::draw()
{
// Clear window
gl::setViewport( getWindowBounds() );
gl::clear();
gl::setMatricesWindow( getWindowSize() );
// We're capturing
if ( mKinect->isCapturing() && mTexture ) {
// Draw color image
gl::color( ColorAf::white() );
gl::draw( mTexture, getWindowBounds() );
// Scale skeleton to fit
gl::pushMatrices();
gl::scale( Vec2f( getWindowSize() ) / Vec2f( mTexture.getSize() ) );
// Iterate through skeletons
uint32_t i = 0;
for ( vector<Skeleton>::const_iterator skeletonIt = mSkeletons.cbegin(); skeletonIt != mSkeletons.cend(); ++skeletonIt, i++ ) {
// Set color
gl::color( mKinect->getUserColor( i ) );
// Draw bones and joints
for ( Skeleton::const_iterator boneIt = skeletonIt->cbegin(); boneIt != skeletonIt->cend(); ++boneIt ) {
// Get joint positions
const Bone& bone = boneIt->second;
Vec3f position = bone.getPosition();
Vec3f destination = skeletonIt->at( bone.getStartJoint() ).getPosition();
Vec2f positionScreen = Vec2f( mKinect->getSkeletonVideoPos( position ) );
Vec2f destinationSceen = Vec2f( mKinect->getSkeletonVideoPos( destination ) );
// Draw bone
gl::drawLine( positionScreen, destinationSceen );
// Draw joint
gl::drawSolidCircle( positionScreen, 10.0f, 16 );
}
}
gl::popMatrices();
}
}
void LocationOrbitalOverlay::draw()
{
const ci::gl::Texture fbotex = mFbo->getTexture();
gl::enableAdditiveBlending();
mShader->bind();
fbotex.bind(0);
mSphereAlpha->getTexture()->bind(1);
mShader->uniform("mapTexture", 0);
mShader->uniform("alphaTexture", 1);
drawQuad();
fbotex.unbind(0);
mSphereAlpha->getTexture()->unbind(1);
mShader->unbind();
gl::enableAlphaBlending();
}
void Fluid2DBasicApp::draw()
{
// clear out the window with black
gl::clear( Color( 0, 0, 0 ) );
Channel32f chan( mFluid2D.resX(), mFluid2D.resY(), mFluid2D.resX()*sizeof(float), 1, const_cast<float*>( mFluid2D.density().data() ) );
if( ! mTex ) {
mTex = gl::Texture( chan );
} else {
mTex.update( chan );
}
gl::color( Color( 1, 1, 1 ) );
gl::draw( mTex, getWindowBounds() );
mParams.draw();
}
// Handles window resize
void UiApp::resize()
{
// Initialize buttons
float h = (float)getWindowHeight() * 0.333f;
float w = (float)getWindowWidth() * 0.25f;
Vec2f position( w, h );
position -= Vec2f( mButton[ 0 ].getSize() ) * 0.5f;
for ( size_t i = 0; i < 3; ++i, position.x += w ) {
mButtonPosition[ i ] = position;
mButtonState[ i ] = false;
}
// Initialize slider
position = Vec2f( w * 2.0f, h * 2.0f );
mTrackPosition = position - Vec2f( mTrack.getSize() ) * 0.5f;
mSliderPosition = mTrackPosition;
mSliderPosition.y -= 45.0f;
}
void Fluid2DCamAppApp::draw()
{
// clear out the window with black
gl::clear( Color( 0, 0, 0 ) );
gl::color( Colorf::white() );
gl::setMatricesWindow( getWindowWidth(), getWindowHeight() );
if( mTexCam ) {
gl::draw( mTexCam, Rectf( 0*kDrawScale*mFluid2DResX, 0*kDrawScale*mFluid2DResY, 1*kDrawScale*mFluid2DResX, 1*kDrawScale*mFluid2DResY ) );
}
gl::draw( mTexVel0, Rectf( 0*kDrawScale*mFluid2DResX, 1*kDrawScale*mFluid2DResY, 1*kDrawScale*mFluid2DResX, 2*kDrawScale*mFluid2DResY ) );
gl::draw( mTexVel1, Rectf( 1*kDrawScale*mFluid2DResX, 1*kDrawScale*mFluid2DResY, 2*kDrawScale*mFluid2DResX, 2*kDrawScale*mFluid2DResY ) );
gl::draw( mTexDen0, Rectf( 2*kDrawScale*mFluid2DResX, 1*kDrawScale*mFluid2DResY, 3*kDrawScale*mFluid2DResX, 2*kDrawScale*mFluid2DResY ) );
gl::draw( mTexDen1, Rectf( 3*kDrawScale*mFluid2DResX, 1*kDrawScale*mFluid2DResY, 4*kDrawScale*mFluid2DResX, 2*kDrawScale*mFluid2DResY ) );
gl::draw( mTexDiv, Rectf( 0*kDrawScale*mFluid2DResX, 2*kDrawScale*mFluid2DResY, 1*kDrawScale*mFluid2DResX, 4*kDrawScale*mFluid2DResY ) );
gl::draw( mTexPrs, Rectf( 1*kDrawScale*mFluid2DResX, 2*kDrawScale*mFluid2DResY, 2*kDrawScale*mFluid2DResX, 4*kDrawScale*mFluid2DResY ) );
gl::draw( mTexCurl, Rectf( 2*kDrawScale*mFluid2DResX, 2*kDrawScale*mFluid2DResY, 3*kDrawScale*mFluid2DResX, 4*kDrawScale*mFluid2DResY ) );
gl::draw( mTexCurlLen, Rectf( 3*kDrawScale*mFluid2DResX, 2*kDrawScale*mFluid2DResY, 4*kDrawScale*mFluid2DResX, 4*kDrawScale*mFluid2DResY ) );
mTexCurlLen.unbind();
gl::color( Color( 1, 0, 0 ) );
glLineWidth( 0.5f );
glBegin( GL_LINES );
glVertex2f( Vec2f( 0, 1*kDrawScale*mFluid2DResY ) );
glVertex2f( Vec2f( (float)getWindowWidth(), 1*kDrawScale*mFluid2DResY ) );
glVertex2f( Vec2f( 0, 2*kDrawScale*mFluid2DResY ) );
glVertex2f( Vec2f( (float)getWindowWidth(), 2*kDrawScale*mFluid2DResY ) );
glVertex2f( Vec2f( 1*kDrawScale*mFluid2DResX, 0 ) );
glVertex2f( Vec2f( 1*kDrawScale*mFluid2DResX, (float)getWindowHeight() ) );
glVertex2f( Vec2f( 2*kDrawScale*mFluid2DResX, 0 ) );
glVertex2f( Vec2f( 2*kDrawScale*mFluid2DResX, (float)getWindowHeight() ) );
glVertex2f( Vec2f( 3*kDrawScale*mFluid2DResX, 0 ) );
glVertex2f( Vec2f( 3*kDrawScale*mFluid2DResX, (float)getWindowHeight() ) );
glEnd();
mParams.draw();
}
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();
}
void Fluid2DCamAppApp::update()
{
if( mCapture && mCapture.checkNewFrame() ) {
if( ! mTexCam ) {
mTexCam = gl::Texture( mCapture.getSurface() );
}
// Flip the image
if( ! mFlipped ) {
Surface8u srcImg = mCapture.getSurface();
mFlipped = Surface8u( srcImg.getWidth(), srcImg.getHeight(), srcImg.hasAlpha(), srcImg.getChannelOrder() );
}
Surface8u srcImg = mCapture.getSurface();
mFlipped = Surface8u( srcImg.getWidth(), srcImg.getHeight(), srcImg.hasAlpha(), srcImg.getChannelOrder() );
for( int y = 0; y < mCapture.getHeight(); ++y ) {
const Color8u* src = (const Color8u*)(srcImg.getData() + (y + 1)*srcImg.getRowBytes() - srcImg.getPixelInc());
Color8u* dst = (Color8u*)(mFlipped.getData() + y*mFlipped.getRowBytes());
for( int x = 0; x < mCapture.getWidth(); ++x ) {
*dst = *src;
++dst;
--src;
}
}
// Create scaled image
if( ! mCurScaled ) {
mCurScaled = Surface8u( mFlipped.getWidth()/kFlowScale, mFlipped.getHeight()/kFlowScale, mFlipped.hasAlpha(), mFlipped.getChannelOrder() );
}
ip::resize( mFlipped, &mCurScaled );
// Optical flow
if( mCurScaled && mPrvScaled ) {
mPrvCvData = mCurCvData;
mCurCvData = cv::Mat( toOcv( Channel( mCurScaled ) ) );
if( mPrvCvData.data && mCurCvData.data ) {
int pyrLvels = 3;
int winSize = 3;
int iters = 5;
int poly_n = 7;
double poly_sigma = 1.5;
cv::calcOpticalFlowFarneback( mPrvCvData, mCurCvData, mFlow, 0.5, pyrLvels, 2*winSize + 1, iters, poly_n, poly_sigma, cv::OPTFLOW_FARNEBACK_GAUSSIAN );
if( mFlow.data ) {
if( mFlowVectors.empty() ) {
mFlowVectors.resize( mCurScaled.getWidth()*mCurScaled.getHeight() );
}
//memset( &mFlowVectors[0], 0, mCurScaled.getWidth()*mCurScaled.getHeight()*sizeof( Vec2f ) );
mNumActiveFlowVectors = 0;
for( int j = 0; j < mCurScaled.getHeight(); ++j ) {
for( int i = 0; i < mCurScaled.getWidth(); ++i ) {
const float* fptr = reinterpret_cast<float*>(mFlow.data + j*mFlow.step + i*sizeof(float)*2);
//
Vec2f v = Vec2f( fptr[0], fptr[1] );
if( v.lengthSquared() >= mVelThreshold ) {
if( mNumActiveFlowVectors >= (int)mFlowVectors.size() ) {
mFlowVectors.push_back( std::make_pair( Vec2i( i, j ), v ) );
}
else {
mFlowVectors[mNumActiveFlowVectors] = std::make_pair( Vec2i( i, j ), v );
}
++mNumActiveFlowVectors;
}
}
}
}
}
}
// Update texture
mTexCam.update( mFlipped );
// Save previous frame
if( ! mPrvScaled ) {
mPrvScaled = Surface8u( mCurScaled.getWidth(), mCurScaled.getHeight(), mCurScaled.hasAlpha(), mCurScaled.getChannelOrder() );
}
memcpy( mPrvScaled.getData(), mCurScaled.getData(), mCurScaled.getHeight()*mCurScaled.getRowBytes() );
}
// Update fluid
float dx = (mFluid2DResX - 2)/(float)(640/kFlowScale);
float dy = (mFluid2DResY - 2)/(float)(480/kFlowScale);
for( int i = 0; i < mNumActiveFlowVectors; ++i ) {
Vec2f P = mFlowVectors[i].first;
const Vec2f& v = mFlowVectors[i].second;
mFluid2D.splatDensity( P.x*dx + 1, P.y*dy + 1, mDenScale*v.lengthSquared() );
mFluid2D.splatVelocity( P.x*dx + 1, P.y*dy + 1, v*mVelScale );
}
mFluid2D.step();
// Update velocity
const Vec2f* srcVel0 = mFluid2D.dbgVel0().data();
const Vec2f* srcVel1 = mFluid2D.dbgVel1().data();
Colorf* dstVel0 = (Colorf*)mSurfVel0.getData();
Colorf* dstVel1 = (Colorf*)mSurfVel1.getData();
for( int j = 0; j < mFluid2DResY; ++j ) {
for( int i = 0; i < mFluid2DResX; ++i ) {
*dstVel0 = Colorf( srcVel0->x, srcVel0->y, 0.0f );
*dstVel1 = Colorf( srcVel1->x, srcVel1->y, 0.0f );
++srcVel0;
++srcVel1;
++dstVel0;
++dstVel1;
}
}
// Update Density
mChanDen0 = Channel32f( mFluid2DResX, mFluid2DResY, mFluid2DResX*sizeof(float), 1, mFluid2D.dbgDen0().data() );
mChanDen1 = Channel32f( mFluid2DResX, mFluid2DResY, mFluid2DResX*sizeof(float), 1, mFluid2D.dbgDen1().data() );
mTexDen0.update( mChanDen0 );
mTexDen1.update( mChanDen1 );
// Update velocity textures
mTexVel0.update( mSurfVel0 );
mTexVel1.update( mSurfVel1 );
// Update Divergence
mChanDiv = Channel32f( mFluid2DResX, mFluid2DResY, mFluid2DResX*sizeof(float), 1, mFluid2D.dbgDivergence().data() );
mTexDiv.update( mChanDiv );
// Update Divergence
mChanPrs = Channel32f( mFluid2DResX, mFluid2DResY, mFluid2DResX*sizeof(float), 1, mFluid2D.dbgPressure().data() );
mTexPrs.update( mChanPrs );
// Update Curl, Curl Length
mChanCurl = Channel32f( mFluid2DResX, mFluid2DResY, mFluid2DResX*sizeof(float), 1, mFluid2D.dbgCurl().data() );
mTexCurl.update( mChanCurl );
mChanCurlLen = Channel32f( mFluid2DResX, mFluid2DResY, mFluid2DResX*sizeof(float), 1, mFluid2D.dbgCurlLength().data() );
mTexCurlLen.update( mChanCurlLen );
}
// Set up
void UiApp::setup()
{
glShadeModel( GL_FLAT );
// Start device
mDevice = Device::create();
mDevice->connectEventHandler( &UiApp::onFrame, this );
// Load cursor textures
for ( size_t i = 0; i < 3; ++i ) {
switch ( (CursorType)i ) {
case CursorType::GRAB:
mTexture[ i ] = gl::Texture( loadImage( loadResource( RES_TEX_GRAB ) ) );
break;
case CursorType::HAND:
mTexture[ i ] = gl::Texture( loadImage( loadResource( RES_TEX_HAND ) ) );
break;
case CursorType::TOUCH:
mTexture[ i ] = gl::Texture( loadImage( loadResource( RES_TEX_TOUCH ) ) );
break;
case NONE:
break;
}
mTexture[ i ].setMagFilter( GL_NEAREST );
mTexture[ i ].setMinFilter( GL_NEAREST );
}
// Initialize cursor
mCursorType = CursorType::NONE;
mCursorPosition = Vec2f::zero();
mCursorPositionTarget = Vec2f::zero();
mFingerTipPosition = Vec2i::zero();
// Load UI textures
mButton[ 0 ] = gl::Texture( loadImage( loadResource( RES_TEX_BUTTON_OFF ) ) );
mButton[ 1 ] = gl::Texture( loadImage( loadResource( RES_TEX_BUTTON_ON ) ) );
mSlider = gl::Texture( loadImage( loadResource( RES_TEX_SLIDER ) ) );
mTrack = gl::Texture( loadImage( loadResource( RES_TEX_TRACK ) ) );
// Disable anti-aliasing
mButton[ 0 ].setMagFilter( GL_NEAREST );
mButton[ 0 ].setMinFilter( GL_NEAREST );
mButton[ 1 ].setMagFilter( GL_NEAREST );
mButton[ 1 ].setMinFilter( GL_NEAREST );
mSlider.setMagFilter( GL_NEAREST );
mSlider.setMinFilter( GL_NEAREST );
mTrack.setMagFilter( GL_NEAREST );
mTrack.setMinFilter( GL_NEAREST );
// Params
mFrameRate = 0.0f;
mFullScreen = false;
mParams = params::InterfaceGl( "Params", Vec2i( 200, 105 ) );
mParams.addParam( "Frame rate", &mFrameRate, "", true );
mParams.addParam( "Full screen", &mFullScreen, "key=f" );
mParams.addButton( "Screen shot", bind( &UiApp::screenShot, this ), "key=space" );
mParams.addButton( "Quit", bind( &UiApp::quit, this ), "key=q" );
// Run resize to initialize layout
resize();
}
// Set up
void UiApp::setup()
{
glShadeModel( GL_FLAT );
// Set up camera
mCamera = CameraPersp( getWindowWidth(), getWindowHeight(), 45.0f, 0.01f, 1000.0f );
mOffset = Vec3f( 240.0f, -480.0f, 0.0f );
// Start device
mLeap = Device::create();
mLeap->addCallback( &UiApp::onFrame, this );
// Load cursor textures
for ( size_t i = 0; i < 3; ++i ) {
switch ( (CursorType)i ) {
case CursorType::GRAB:
mTexture[ i ] = gl::Texture( loadImage( loadResource( RES_TEX_GRAB ) ) );
break;
case CursorType::HAND:
mTexture[ i ] = gl::Texture( loadImage( loadResource( RES_TEX_HAND ) ) );
break;
case CursorType::TOUCH:
mTexture[ i ] = gl::Texture( loadImage( loadResource( RES_TEX_TOUCH ) ) );
break;
case NONE:
break;
}
mTexture[ i ].setFlipped( true );
mTexture[ i ].setMagFilter( GL_NEAREST );
mTexture[ i ].setMinFilter( GL_NEAREST );
}
// Initialize cursor
mCursorType = CursorType::NONE;
mCursorPosition = Vec3f::zero();
mCursorPositionTarget = Vec3f::zero();
// Load UI textures
mButton[ 0 ] = gl::Texture( loadImage( loadResource( RES_TEX_BUTTON_OFF ) ) );
mButton[ 1 ] = gl::Texture( loadImage( loadResource( RES_TEX_BUTTON_ON ) ) );
mSlider = gl::Texture( loadImage( loadResource( RES_TEX_SLIDER ) ) );
mTrack = gl::Texture( loadImage( loadResource( RES_TEX_TRACK ) ) );
// Flip textures
mButton[ 0 ].setFlipped( true );
mButton[ 1 ].setFlipped( true );
mSlider.setFlipped( true );
mTrack.setFlipped( true );
// Disable anti-aliasing
mButton[ 0 ].setMagFilter( GL_NEAREST );
mButton[ 0 ].setMinFilter( GL_NEAREST );
mButton[ 1 ].setMagFilter( GL_NEAREST );
mButton[ 1 ].setMinFilter( GL_NEAREST );
mSlider.setMagFilter( GL_NEAREST );
mSlider.setMinFilter( GL_NEAREST );
mTrack.setMagFilter( GL_NEAREST );
mTrack.setMinFilter( GL_NEAREST );
// Initialize buttons
Vec3f position( -120.0f, 950.0f, 0.0f );
for ( size_t i = 0; i < 3; ++i, position.x += 320.0f ) {
mButtonPosition[ i ] = position;
mButtonState[ i ] = false;
}
// Initialize sliider
mTrackPosition = Vec3f( 0.0f, 700.0f, 0.0f );
mSliderPosition = mTrackPosition;
mSliderPosition.y -= 45.0f;
// Params
mFrameRate = 0.0f;
mFullScreen = false;
mParams = params::InterfaceGl( "Params", Vec2i( 200, 105 ) );
mParams.addParam( "Frame rate", &mFrameRate, "", true );
mParams.addParam( "Full screen", &mFullScreen, "key=f" );
mParams.addButton( "Screen shot", bind( &UiApp::screenShot, this ), "key=space" );
mParams.addButton( "Quit", bind( &UiApp::quit, this ), "key=q" );
}
// Runs update logic
void UiApp::update()
{
// Update frame rate
mFrameRate = getAverageFps();
// Toggle fullscreen
if ( mFullScreen != isFullScreen() ) {
setFullScreen( mFullScreen );
}
// Update device
if ( mLeap && mLeap->isConnected() ) {
mLeap->update();
}
// Interact with first hand
if ( mHands.empty() ) {
mCursorType = CursorType::NONE;
} else {
const Hand& hand = mHands.begin()->second;
// Update cursor position
mCursorPositionTarget = warp( hand.getPosition() );
if ( mCursorType == CursorType::NONE ) {
mCursorPosition = mCursorPositionTarget;
}
// Choose cursor type based on number of exposed fingers
switch ( hand.getFingers().size() ) {
case 0:
mCursorType = CursorType::GRAB;
break;
case 1:
mCursorType = CursorType::TOUCH;
break;
default:
mCursorType = CursorType::HAND;
break;
}
}
// Smooth cursor animation
mCursorPosition = mCursorPosition.lerp( 0.21f, mCursorPositionTarget );
mCursorPosition.z = 0.0f;
// Hit buttons
for ( size_t i = 0; i < 3; ++i ) {
mButtonState[ i ] = false;
if ( mCursorType == CursorType::TOUCH &&
mCursorPosition.distance( mButtonPosition[ i ] ) < (float)mButton[ 0 ].getSize().length() * 0.5f ) {
mButtonState[ i ] = true;
}
}
// Slider
if ( mCursorType == CursorType::GRAB &&
math<float>::abs( mCursorPosition.x - mSliderPosition.x ) < (float)mSlider.getWidth() * 0.5f &&
math<float>::abs( mCursorPosition.y - mSliderPosition.y ) < (float)mSlider.getHeight() * 0.5f ) {
float x1 = mTrackPosition.x;
float x2 = mTrackPosition.x + (float)( mTrack.getWidth() - mSlider.getWidth() );
mSliderPosition.x = math<float>::clamp( mCursorPosition.x, x1, x2 );
}
}