void PMTorus::createViewStructure( )
{
if( !m_pViewStructure )
{
m_pViewStructure = new PMViewStructure( defaultViewStructure( ) );
m_pViewStructure->points( ).detach( );
}
int uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) );
int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) );
unsigned ptsSize = vStep * uStep;
unsigned lineSize = vStep * uStep * 2;
if( ptsSize != m_pViewStructure->points( ).size( ) )
m_pViewStructure->points( ).resize( ptsSize );
createPoints( m_pViewStructure->points( ), m_minorRadius, m_majorRadius, uStep, vStep );
if( lineSize != m_pViewStructure->lines( ).size( ) )
{
m_pViewStructure->lines( ).detach( );
m_pViewStructure->lines( ).resize( lineSize );
createLines( m_pViewStructure->lines( ), uStep, vStep );
}
}
void PMSuperquadricEllipsoid::createViewStructure( )
{
if( !m_pViewStructure )
{
m_pViewStructure = new PMViewStructure( defaultViewStructure( ) );
m_pViewStructure->points( ).detach( );
}
int uStep = (int)( ( (float)s_uStep / 2 ) * ( displayDetail( ) + 1 ) );
int vStep = (int)( ( (float)s_vStep / 2 ) * ( displayDetail( ) + 1 ) );
int uStep2 = uStep * 4;
int vStep2 = vStep * 8;
unsigned ptsSize = vStep2 * ( uStep2 - 1 ) + 2;
unsigned lineSize = vStep2 * ( uStep2 - 1 ) * 2 + vStep2;
if( ptsSize != m_pViewStructure->points( ).size( ) )
m_pViewStructure->points( ).resize( ptsSize );
createPoints( m_pViewStructure->points( ), m_eastWestExponent,
m_northSouthExponent, uStep, vStep );
if( lineSize != m_pViewStructure->lines( ).size( ) )
{
m_pViewStructure->lines( ).detach( );
m_pViewStructure->lines( ).resize( lineSize );
createLines( m_pViewStructure->lines( ), uStep2, vStep2 );
}
}
int main( int argc, char **argv )
{
int success = 0;
GLcharARB *VertexShaderSource, *FragmentShaderSource;
int error = 0;
if (Args(argc, argv) == FALSE)
exit(0);
glutInit( &argc, argv );
glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
glutInitWindowSize(500, 500);
window = glutCreateWindow( "Fire and Smoke" );
glutIdleFunc( play );
glutDisplayFunc( display );
glutKeyboardFunc( key );
glutReshapeFunc( reshape );
printOpenGLError();
if ( !isExtensionSupported( "GL_ARB_shader_objects" ) ||
!isExtensionSupported( "GL_ARB_fragment_shader" ) ||
!isExtensionSupported( "GL_ARB_vertex_shader" ) ||
!isExtensionSupported( "GL_ARB_shading_language_100" ) )
{
printf("OpenGL Shading Language extensions not available\n" );
return 1;
}
if( error )
{
printf( "ERROR from wglGetProcAddress\n" );
}
createPoints( numParticles );
glDepthFunc( GL_LESS );
glEnable( GL_DEPTH_TEST );
glClearColor( 0.0f, 0.67f, 0.94f, 1.0f );
ParticleTime = 0.0f;
readShaderSource( "smoke", &VertexShaderSource, &FragmentShaderSource );
success = installParticleShaders( VertexShaderSource, FragmentShaderSource );
if ( success )
{
glutMainLoop();
}
else
{
printf( "Error installing particle shaders" );
scanf( "%d", ParticleTime );
}
return 0;
}
const Foam::pointField& Foam::block::points() const
{
if (vertices_.empty())
{
createPoints();
}
return vertices_;
}
IcoSphereGeometry::IcoSphereGeometry( unsigned int uiRecursionLevel )
{
_uiRecursionLevel = uiRecursionLevel;
_uiIndex = 0;
_pvVertexs = new std::vector<osg::Vec3f*>();
_pvIndexCash = new std::map<string, unsigned int>();
_pvTriangleIndexes = new std::vector<osg::Vec3f*>();
createPoints();
}
void Spawner::spawn() {
createPoints();
bSpawning = true;
randGenerate();
for (int i = 0; i < iSpawnCount; i++) {
entitiesSpawned.push_back(spawnEntity);
entitiesSpawned.back().setPosition(Points[randomPosition[i]]);
entitiesSpawned.back().setTargetPos(sf::Vector2f(640, 360));
}
std::cout << entitiesSpawned.size() << std::endl;
} //Start Spawning
void KoStarShape::updatePath( const QSizeF &size )
{
Q_UNUSED(size);
qreal radianStep = M_PI / static_cast<qreal>(m_cornerCount);
createPoints( m_convex ? m_cornerCount : 2*m_cornerCount );
KoSubpath &points = *m_subpaths[0];
uint index = 0;
for( uint i = 0; i < 2*m_cornerCount; ++i )
{
uint cornerType = i % 2;
if( cornerType == base && m_convex )
continue;
qreal radian = static_cast<qreal>( (i+1)*radianStep ) + m_angles[cornerType];
QPointF cornerPoint = QPointF( m_zoomX * m_radius[cornerType] * cos( radian ), m_zoomY * m_radius[cornerType] * sin( radian ) );
points[index]->setPoint( m_center + cornerPoint );
points[index]->unsetProperty( KoPathPoint::StopSubpath );
points[index]->unsetProperty( KoPathPoint::CloseSubpath );
if( m_roundness[cornerType] > 1e-10 || m_roundness[cornerType] < -1e-10 )
{
// normalized cross product to compute tangential vector for handle point
QPointF tangentVector( cornerPoint.y()/m_radius[cornerType], -cornerPoint.x()/m_radius[cornerType] );
points[index]->setControlPoint2( points[index]->point() - m_roundness[cornerType] * tangentVector );
points[index]->setControlPoint1( points[index]->point() + m_roundness[cornerType] * tangentVector );
}
else
{
points[index]->removeControlPoint1();
points[index]->removeControlPoint2();
}
index++;
}
// first path starts and closes path
points[0]->setProperty( KoPathPoint::StartSubpath );
points[0]->setProperty( KoPathPoint::CloseSubpath );
// last point stops and closes path
points.last()->setProperty( KoPathPoint::StopSubpath );
points.last()->setProperty( KoPathPoint::CloseSubpath );
normalize();
m_handles.clear();
m_handles.push_back( points.at(tip)->point() );
if( ! m_convex )
m_handles.push_back( points.at(base)->point() );
m_center = computeCenter();
}
vector<pair<int, int>> getSkyline(vector<vector<int>>& buildings) {
if (buildings.empty()) return vector<pair<int, int>>();
createPoints(buildings);
lineExists = vector<bool>(IDCTR, false);
for (Point& pt : crds) {
if (pt.typ == START) { //starting a building's contour
handleBuildingStart(pt);
} else { //ending a building's contour
handleBuildingEnd(pt);
}
}
return results;
}
PMViewStructure* PMCone::defaultViewStructure( ) const
{
if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
int steps = (int)( ( (float)s_numSteps / 2 ) * ( globalDetailLevel( ) + 1 ) );
s_pDefaultViewStructure = new PMViewStructure( steps * 2, steps * 3 );
createPoints( s_pDefaultViewStructure->points( ), defaultEnd1,
defaultEnd2,defaultConeRadius1,defaultConeRadius2, steps );
createLines( s_pDefaultViewStructure->lines( ), steps );
}
return s_pDefaultViewStructure;
}
/* neglectible % of execution time */
static void
animateLMorph(struct state *st)
{
int i;
if (st->currGamma > st->maxGamma) {
st->currGamma = 0.0;
st->nFrom = st->nTo;
st->nTo = st->nNext;
st->aFrom = st->a[st->nFrom];
st->aTo = st->a[st->nTo];
do {
st->nNext = RND(st->numFigs);
} while (st->nNext == st->nTo);
st->aNext = st->a[st->nNext];
st->shift = RND(st->numPoints);
if (RND(2)) {
/* reverse the array to get more variation. */
int i1, i2;
XPoint p;
for (i1 = 0, i2 = st->numPoints - 1; i1 < st->numPoints / 2; i1++, i2--) {
p = st->aNext[i1];
st->aNext[i1] = st->aNext[i2];
st->aNext[i2] = p;
}
}
/* calculate the slopes */
for (i = 0; i < st->numPoints ; i++) {
st->aSlopeFrom[i].x = st->aSlopeTo[i].x;
st->aSlopeFrom[i].y = st->aSlopeTo[i].y;
st->aSlopeTo[i].x = st->aNext[i].x - st->aTo[i].x;
st->aSlopeTo[i].y = (st->aNext[i].y - st->aTo[i].y);
}
}
createPoints(st);
drawImage(st);
st->aPrev = st->aCurr;
st->aCurr = st->aWork[st->nWork ^= 1];
st->currGamma += st->deltaGamma;
}
//--------------------------------------------------------------
void testApp::update(){
ofBackground(100,100,100);
bool bNewFrame = false;
#ifdef _USE_LIVE_VIDEO
vidGrabber.grabFrame();
bNewFrame = vidGrabber.isFrameNew();
#else
vidPlayer.idleMovie();
bNewFrame = vidPlayer.isFrameNew();
#endif
if (bNewFrame){
#ifdef _USE_LIVE_VIDEO
colorImg.setFromPixels(vidGrabber.getPixels(), 320,240);
#else
colorImg.setFromPixels(vidPlayer.getPixels(), 320,240);
#endif
grayImage = colorImg;
if (bLearnBakground == true){
grayBg = grayImage; // the = sign copys the pixels from grayImage into grayBg (operator overloading)
bLearnBakground = false;
}
// take the abs value of the difference between background and incoming and then threshold:
grayDiff.absDiff(grayBg, grayImage);
grayDiff.threshold(threshold);
// find contours which are between the size of 20 pixels and 1/3 the w*h pixels.
// also, find holes is set to true so we will get interior contours as well....
// contourFinder.findContours(grayDiff, 20, (340*240)/3, 1, true); // find holes
findEdges( &colorImg, low_threshold, high_threshold, aperature );
createPoints();
}
}
void voronoiMeshExtractor::createMesh()
{
Info << "Extracting voronoi mesh" << endl;
//- copy tet points into the mesh
createPoints();
//- create the mesh
createPolyMesh();
polyMeshGenModifier(mesh_).reorderBoundaryFaces();
polyMeshGenModifier(mesh_).removeUnusedVertices();
Info << "Mesh has :" << nl
<< mesh_.points().size() << " vertices " << nl
<< mesh_.faces().size() << " faces" << nl
<< mesh_.cells().size() << " cells" << endl;
Info << "Finished extracting voronoi mesh" << endl;
}
PMViewStructure* PMTorus::defaultViewStructure( ) const
{
if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
int uStep = (int)( ( (float)s_uStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
int vStep = (int)( ( (float)s_vStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
s_pDefaultViewStructure =
new PMViewStructure( vStep * uStep ,
vStep * uStep * 2 );
createPoints( s_pDefaultViewStructure->points( ), c_defaultminorRadius,
c_defaultmajorRadius, uStep, vStep );
createLines( s_pDefaultViewStructure->lines( ), uStep, vStep );
}
return s_pDefaultViewStructure;
}
Obj(
const std::string& fname,
const glm::mat4& modelMatrix,
const std::string& texfname,
btDiscreteDynamicsWorld* btworld,
Shape shape=None
)
: rigidbody(NULL), bco(NULL), tex(NULL)
{
//modelMatrix = glm::scale(glm::vec4(1.0f,1.0), glm::vec3(10.0f));
gWVP = modelMatrix;
xPos = 0;
zPos = 0;
// load mesh object
createPoints(fname);
// colorizeByVertexPosition();
// create ogl vbo
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, data.size()*sizeof(Point), data.data(), GL_STATIC_DRAW);
// physics object
createBulletObject(shape);
// texture
if ( ! set_texture(texfname) )
{
std::cout << texfname << " could not be opened." << std::endl;
}
// data.clear();
}
static void
animateAnemone(struct state *st, Drawable curr_window)
{
int i;
double sint = sin(st->turn),cost = cos(st->turn);
st->aCurr = st->appD;
for (i = 0; i< st->arms; i++) {
st->vCurr = st->vPendage + (st->finpoints + 1) * i;
if (RND(25)<st->aCurr->rate) {
if (st->aCurr->growth<0) {
st->aCurr->numpt -= st->aCurr->numpt>1;
if (!(++st->aCurr->growth)) st->aCurr->growth = RND(st->finpoints - st->aCurr->numpt) + 1;
}
}
drawImage(st, curr_window, sint, cost);
st->turn += st->turndelta;
st->aCurr++;
}
createPoints(st);
if (st->turn >= TWO_PI) st->turn -= TWO_PI;
}
void PMCone::createViewStructure( )
{
if( !m_pViewStructure )
{
m_pViewStructure = new PMViewStructure(defaultViewStructure ( ) );
m_pViewStructure->points( ).detach( );
}
int steps = (int)( ( (float)s_numSteps / 2 ) * ( displayDetail( ) + 1 ) );
unsigned ptsSize = steps * 2;
unsigned lineSize = steps * 3;
if( ptsSize != m_pViewStructure->points( ).size( ) )
m_pViewStructure->points( ).resize( ptsSize );
createPoints( m_pViewStructure->points( ), m_end1, m_end2, m_radius1, m_radius2, steps );
if( lineSize != m_pViewStructure->lines( ).size( ) )
{
m_pViewStructure->lines( ).detach( );
m_pViewStructure->lines( ).resize( lineSize );
createLines( m_pViewStructure->lines( ), steps );
}
}
FileIOXmlGml()
{
createPoints();
createPolylines();
createSurfaces();
}
void RectangleShape::updatePath(const QSizeF &size)
{
qreal rx = 0;
qreal ry = 0;
if (m_cornerRadiusX > 0 && m_cornerRadiusY > 0) {
rx = size.width() / 200.0 * m_cornerRadiusX;
ry = size.height() / 200.0 * m_cornerRadiusY;
}
qreal x2 = size.width() - rx;
qreal y2 = size.height() - ry;
QPointF curvePoints[12];
int requiredCurvePointCount = 4;
if (rx && m_cornerRadiusX < 100)
requiredCurvePointCount += 2;
if (ry && m_cornerRadiusY < 100)
requiredCurvePointCount += 2;
createPoints(requiredCurvePointCount);
KoSubpath &points = *m_subpaths[0];
int cp = 0;
// first path starts and closes path
points[cp]->setProperty(KoPathPoint::StartSubpath);
points[cp]->setProperty(KoPathPoint::CloseSubpath);
points[cp]->setPoint(QPointF(rx, 0));
points[cp]->removeControlPoint1();
points[cp]->removeControlPoint2();
if (m_cornerRadiusX < 100 || m_cornerRadiusY == 0) {
// end point of the top edge
points[++cp]->setPoint(QPointF(x2, 0));
points[cp]->removeControlPoint1();
points[cp]->removeControlPoint2();
}
if (rx) {
// the top right radius
arcToCurve(rx, ry, 90, -90, points[cp]->point(), curvePoints);
points[cp]->setControlPoint2(curvePoints[0]);
points[++cp]->setControlPoint1(curvePoints[1]);
points[cp]->setPoint(curvePoints[2]);
points[cp]->removeControlPoint2();
}
if (m_cornerRadiusY < 100 || m_cornerRadiusX == 0) {
// the right edge
points[++cp]->setPoint(QPointF(size.width(), y2));
points[cp]->removeControlPoint1();
points[cp]->removeControlPoint2();
}
if (rx) {
// the bottom right radius
arcToCurve(rx, ry, 0, -90, points[cp]->point(), curvePoints);
points[cp]->setControlPoint2(curvePoints[0]);
points[++cp]->setControlPoint1(curvePoints[1]);
points[cp]->setPoint(curvePoints[2]);
points[cp]->removeControlPoint2();
}
if (m_cornerRadiusX < 100 || m_cornerRadiusY == 0) {
// the bottom edge
points[++cp]->setPoint(QPointF(rx, size.height()));
points[cp]->removeControlPoint1();
points[cp]->removeControlPoint2();
}
if (rx) {
// the bottom left radius
arcToCurve(rx, ry, 270, -90, points[cp]->point(), curvePoints);
points[cp]->setControlPoint2(curvePoints[0]);
points[++cp]->setControlPoint1(curvePoints[1]);
points[cp]->setPoint(curvePoints[2]);
points[cp]->removeControlPoint2();
}
if ((m_cornerRadiusY < 100 || m_cornerRadiusX == 0) && ry) {
// the right edge
points[++cp]->setPoint(QPointF(0, ry));
points[cp]->removeControlPoint1();
points[cp]->removeControlPoint2();
}
if (rx) {
// the top left radius
arcToCurve(rx, ry, 180, -90, points[cp]->point(), curvePoints);
points[cp]->setControlPoint2(curvePoints[0]);
points[0]->setControlPoint1(curvePoints[1]);
points[0]->setPoint(curvePoints[2]);
}
// unset all stop/close path properties
for (int i = 1; i < cp; ++i) {
points[i]->unsetProperty(KoPathPoint::StopSubpath);
points[i]->unsetProperty(KoPathPoint::CloseSubpath);
}
// last point stops and closes path
points.last()->setProperty(KoPathPoint::StopSubpath);
points.last()->setProperty(KoPathPoint::CloseSubpath);
}
void Test::testSideCalc(){
createPoints();
}
ParticleSystem::Ptr ParticleSystem::create(Particle::Type type, MessageBus& mb)
{
auto ps = std::make_unique<ParticleSystem>(mb);
switch (type)
{
case Particle::Type::Trail:
{
const float scale = Util::Random::value(2.f, 4.f);
ScaleAffector sa({ scale, scale });
ps->addAffector<ScaleAffector>(sa);
ForceAffector fa({ 0.f, -190.f });
ps->addAffector<ForceAffector>(fa);
ps->setEmitRate(Util::Random::value(0.5f, 2.5f));
ps->setBlendMode(sf::BlendAdd);
ps->setEmitRate(3.f);
ps->setRandomInitialVelocity(trailVelocities);
ps->start(1u, Util::Random::value(0.2f, 1.f));
}
break;
case Particle::Type::Echo:
{
ScaleAffector sa({ 1.6f, 1.6f });
ps->addAffector<ScaleAffector>(sa);
ps->setBlendMode(sf::BlendAdd);
ps->setParticleLifetime(0.95f);
ps->followParent(true);
}
break;
case Particle::Type::Sparkle:
{
sparkPositions = createPoints(sf::Vector2f(), 20, 18.f);
ps->setParticleLifetime(0.6f);
ps->setParticleSize({ 10.f, 10.f });
ps->setRandomInitialVelocity(sparkVelocities);
ps->setRandomInitialPosition(sparkPositions);
ps->setBlendMode(sf::BlendAdd);
ScaleAffector sa({ 2.f, 2.f });
ps->addAffector(sa);
RotateAffector ra(140.f);
ps->addAffector(ra);
}
break;
case Particle::Type::Ident:
{
identPositions = createPoints({}, 20, 20.f);
ps->setParticleLifetime(0.6f);
ps->setParticleSize({ 20.f, 20.f });
ps->setInitialVelocity({ 0.f, 0.f });
ps->setRandomInitialPosition(identPositions);
ps->setBlendMode(sf::BlendAdd);
ps->followParent(true);
ps->setEmitRate(7.f);
ps->start();
}
default: break;
}
return std::move(ps);
}
