void QSGAnimatorNode::preprocess()
{
QSGNode::preprocess();
if (m_controller->isInitialized()) {
if (m_transformNode) {
qreal x = m_controller->registeredProperty("x")->value().toReal();
qreal y = m_controller->registeredProperty("y")->value().toReal();
QMatrix4x4 m = m_controller->transformMatrix();
QPointF transformOrigin = m_controller->registeredProperty("transformOriginPoint")->value().toPointF();
qreal scale = m_controller->registeredProperty("scale")->value().toReal();
qreal rotation = m_controller->registeredProperty("rotation")->value().toReal();
m.translate(transformOrigin.x(), transformOrigin.y());
m.translate(x, y);
m.scale(scale);
m.rotate(rotation, 0, 0, 1);
m.translate(-transformOrigin.x(), -transformOrigin.y());
m_transformNode->setMatrix(m);
if (m_controller->isUpdating())
m_transformNode->markDirty(QSGNode::DirtyMatrix);
}
if (m_opacityNode) {
qreal opacity = m_controller->registeredProperty("opacity")->value().toReal();
m_opacityNode->setOpacity(qMin(qreal(MAX_OPACITY), qMax(qreal(MIN_OPACITY), opacity)));
if (m_controller->isUpdating())
m_opacityNode->markDirty(QSGNode::DirtyOpacity);
}
}
}
void SatHorizon::render(QMatrix4x4 projection, float distance, QQuaternion quat, QVector3D posnorm, float alt, QColor rendercolor)
{
float radius = sqrt( alt * alt - 1 ) / alt;
float theta = acos(QVector3D::dotProduct(QVector3D(0,0,1), posnorm));
QVector3D vecnorm = QVector3D::crossProduct(QVector3D(0,0,1), posnorm);
vecnorm.normalize();
createCircleBuffer(radius, SEGMENTS);
QMatrix4x4 modelview;
modelview.translate(0.0, 0.0, distance);
modelview.rotate(quat);
modelview.translate(posnorm * (1/alt) * (alt > 1.5 ? 1.0015 : 1.0001));
modelview.rotate(theta * 180.0f/ PI, vecnorm );
posBuf.bind();
posBuf.write(0, vertexData, SEGMENTS * sizeof(QVector3D));
posBuf.release();
program->bind();
program->setUniformValue("MVP", projection * modelview);
QMatrix3x3 norm = modelview.normalMatrix();
program->setUniformValue("NormalMatrix", norm);
program->setUniformValue("outcolor", QVector4D(rendercolor.redF(), rendercolor.greenF(), rendercolor.blueF(), 1.0f));
QOpenGLVertexArrayObject::Binder vaoBinder(&vao);
glDrawArrays(GL_LINE_LOOP, 0, SEGMENTS);
}
void Navigation::rotate(
float hAngle
, float vAngle)
{
static const QVector3D up(0.0, 1.0, 0.0);
m_rotationHappened = true;
const QVector3D ray((m_camera.center() - m_eye).normalized());
const QVector3D rotAxis(QVector3D::crossProduct(ray, up));
hAngle *= ROTATION_HOR_DOF;
vAngle *= ROTATION_VER_DOF;
enforceRotationConstraints(hAngle, vAngle);
QVector3D t = m_i0Valid ? m_i0 : m_center;
QMatrix4x4 transform;
transform.translate( t);
transform.rotate(hAngle, up);
transform.rotate(vAngle, rotAxis);
transform.translate(-t);
m_camera.setEye(transform * m_eye);
m_camera.setCenter(transform * m_center);
m_camera.update();
}
template <typename R> void call(R *r) {
using V = decltype(declval<typename R::Cell>().getPosition());
const auto &view = r->getViewMatrix();
const auto &projection = r->getProjectionMatrix();
shader.bind();
disk.vao.bind();
QVector4D color(0.9f, 0.9f, 0.05f, 1.0f);
shader.setUniformValue(shader.uniformLocation("color"), color);
shader.setUniformValue(shader.uniformLocation("projection"), projection);
shader.setUniformValue(shader.uniformLocation("view"), view);
for (auto &con : r->getScenario().getWorld().cellCellConnections) {
auto &cc = con.second;
QMatrix4x4 model;
model.translate(
toQV3D(cc.cells.first->getPosition() + cc.normal * cc.midpoint.first));
auto rot = V::getRotation(V(0, 0, 1), cc.normal);
model.rotate(rot.teta * 180.0 / M_PI, toQV3D(rot.n));
float rad = static_cast<float>(sqrt(cc.sqradius));
model.scale(rad, rad, rad);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
GL->glDrawElements(GL_TRIANGLES, disk.indices.size(), GL_UNSIGNED_INT, 0);
}
color = QVector4D(0.1f, 0.7f, 0.f, 1.0f);
shader.setUniformValue(shader.uniformLocation("color"), color);
for (auto &con : r->getScenario().getWorld().cellCellConnections) {
auto &cc = con.second;
QMatrix4x4 model;
model.translate(toQV3D(cc.cells.first->getPosition() +
cc.icb.first.currentBasis.X * cc.midpoint.first));
auto rot = V::getRotation(V(0, 0, 1), cc.icb.first.currentBasis.X);
model.rotate(rot.teta * 180.0 / M_PI, toQV3D(rot.n));
float rad = static_cast<float>(sqrt(cc.sqradius));
model.scale(rad, rad, rad);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
GL->glDrawElements(GL_TRIANGLES, disk.indices.size(), GL_UNSIGNED_INT, 0);
}
color = QVector4D(0.f, 0.1f, 0.7f, 1.0f);
shader.setUniformValue(shader.uniformLocation("color"), color);
for (auto &con : r->getScenario().getWorld().cellCellConnections) {
auto &cc = con.second;
QMatrix4x4 model;
model.translate(toQV3D(cc.cells.second->getPosition() +
cc.icb.second.currentBasis.X * cc.midpoint.second));
auto rot = V::getRotation(V(0, 0, 1), cc.icb.second.currentBasis.X);
model.rotate(rot.teta * 180.0 / M_PI, toQV3D(rot.n));
float rad = static_cast<float>(sqrt(cc.sqradius));
model.scale(rad, rad, rad);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
GL->glDrawElements(GL_TRIANGLES, disk.indices.size(), GL_UNSIGNED_INT, 0);
}
disk.vao.release();
shader.release();
}
/**
\brief When a station has been selected, this updates the shot lines
This shows the shot lines from the selected station. If no station is
currently selected, this will hide the lines
*/
void cwScrapStationView::updateShotLines() {
if(scrap() == nullptr) { return; }
if(scrap()->parentNote() == nullptr) { return; }
if(scrap()->parentNote()->parentTrip() == nullptr) { return; }
if(transformUpdater() == nullptr) { return; }
cwNoteStation noteStation = scrap()->station(selectedItemIndex());
//Get the current trip
cwNote* note = scrap()->parentNote();
cwTrip* trip = note->parentTrip();
cwCave* cave = trip->parentCave();
cwStationPositionLookup stationPositionLookup = cave->stationPositionLookup();
//Clear all the lines
ShotLines.clear();
if(noteStation.isValid() && stationPositionLookup.hasPosition(noteStation.name())) {
QString stationName = noteStation.name();
QSet<cwStation> neighboringStations = trip->neighboringStations(stationName);
//The position of the selected station
QVector3D selectedStationPos = stationPositionLookup.position(noteStation.name());
//Create the matrix to covert global position into note position
QMatrix4x4 noteTransformMatrix = scrap()->noteTransformation()->matrix(); //Matrix from page coordinates to cave coordinates
noteTransformMatrix = noteTransformMatrix.inverted(); //From cave coordinates to page coordinates
QMatrix4x4 notePageAspect = note->scaleMatrix().inverted(); //The note's aspect ratio
QMatrix4x4 offsetMatrix;
offsetMatrix.translate(-selectedStationPos);
QMatrix4x4 dotPerMeter;
dotPerMeter.scale(note->dotPerMeter(), note->dotPerMeter(), 1.0);
QMatrix4x4 noteStationOffset;
noteStationOffset.translate(QVector3D(noteStation.positionOnNote()));
QMatrix4x4 toNormalizedNote = noteStationOffset *
dotPerMeter *
notePageAspect *
noteTransformMatrix *
offsetMatrix;
//Go through all the neighboring stations and add the position to the line
foreach(cwStation station, neighboringStations) {
QVector3D currentPos = stationPositionLookup.position(station.name());
QVector3D normalizeNotePos = toNormalizedNote.map(currentPos);
ShotLines.append(QLineF(noteStation.positionOnNote(), normalizeNotePos.toPointF()));
}
/**
* Homothétie sur le mesh, ayant pour centre le centre de gravité du
* mesh.
* @param x rapport de l'homothétie.
*/
void Mesh::homothetie(float x)
{
QMatrix4x4 t;
t.translate(centre_);
t.scale(x);
t.translate(-centre_);
for (int i=0;i<nbVertices_;i++)
{
QVector3D &v=vertices_[i];
setXYZ(i, (t*v));
}
octree_->changerTailleOctree(x-1);
}
QMatrix4x4 Exercise12::rotateClockwise(int frame)
{
/////////////////////////////////////////////////////////////////////////////////////////////////
// TODO: Aufgabe 12
// Apply correct transformations (rotate, translate, scale) with respect to the current frame
/////////////////////////////////////////////////////////////////////////////////////////////////
QMatrix4x4 transform;
int degree = frame % 360;
transform.setToIdentity();
if(degree < 90) {
transform.translate(0.5, 0.5, 0.0);
transform.rotate(-2 * degree, 0.0, 0.0, 1.0);
transform.translate(-0.5, 0.5, 0.0);
} else if(degree < 180) {
transform.translate(0.5, -0.5, 0.0);
transform.rotate(-2 * degree, 0.0, 0.0, 1.0);
transform.translate(-0.5, -0.5, 0.0);
} else if(degree < 270) {
transform.translate(-0.5, -0.5, 0.0);
transform.rotate(-2 * degree, 0.0, 0.0, 1.0);
transform.translate(0.5, -0.5, 0.0);
} else if(degree < 360) {
transform.translate(-0.5, 0.5, 0.0);
transform.rotate(-2 * degree, 0.0, 0.0, 1.0);
transform.translate(0.5, 0.5, 0.0);
}
return transform;
}
template <typename R> void call(R *r) {
const auto &view = r->getViewMatrix();
const auto &projection = r->getProjectionMatrix();
for (auto &con : r->getScenario().getWorld().cellCellConnections) {
auto &cc = con.second;
shader.bind();
cube.vao.bind();
QColor color = QColor::fromHsvF(0.7, 0.7, 0.7);
shader.setUniformValue(shader.uniformLocation("color"), color);
shader.setUniformValue(shader.uniformLocation("projection"), projection);
shader.setUniformValue(shader.uniformLocation("view"), view);
// first
QMatrix4x4 model;
auto ab =
toQV3D(cc.targets.first.b.X.rotated(cc.cells.first->getOrientationRotation()) *
cc.targets.first.d);
model.translate(toQV3D(cc.cells.first->getPosition()) + ab * 0.5);
auto dp = ab.normalized().x();
if (dp != 1 && dp != -1) {
model.rotate(acos(dp) * 180.0 / M_PI,
QVector3D::crossProduct(QVector3D(1, 0, 0), ab));
model.scale(ab.length() * 0.5, 1.0, 1.0);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
GL->glDrawElements(GL_TRIANGLES, cube.indices.size(), GL_UNSIGNED_INT, 0);
}
// second
color = QColor::fromHsvF(0.3, 0.7, 0.7);
shader.setUniformValue(shader.uniformLocation("color"), color);
model = QMatrix4x4();
ab = toQV3D(
cc.targets.second.b.X.rotated(cc.cells.second->getOrientationRotation()) *
cc.targets.second.d);
model.translate(toQV3D(cc.cells.second->getPosition()) + ab * 0.5);
dp = ab.normalized().x();
if (dp != 1 && dp != -1) {
model.rotate(acos(dp) * 180.0 / M_PI,
QVector3D::crossProduct(QVector3D(1, 0, 0), ab));
model.scale(ab.length() * 0.5, 1.0, 1.0);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
GL->glDrawElements(GL_TRIANGLES, cube.indices.size(), GL_UNSIGNED_INT, 0);
}
cube.vao.release();
shader.release();
}
}
void QQuickTransformAnimatorJob::Helper::apply()
{
if (!wasChanged || !node)
return;
QMatrix4x4 m;
m.translate(dx, dy);
m.translate(ox, oy);
m.scale(scale);
m.rotate(rotation, 0, 0, 1);
m.translate(-ox, -oy);
node->setMatrix(m);
wasChanged = false;
}
void LogoRenderer::vao_vbo_glDrawArrays()
{
// Render
glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
// Draw our first triangle
glUseProgram(shaderProgram);
QMatrix4x4 modelview;
modelview.rotate(m_fAngle, 0.0f, 1.0f, 0.0f);
modelview.rotate(m_fAngle, 1.0f, 0.0f, 0.0f);
modelview.rotate(m_fAngle, 0.0f, 0.0f, 1.0f);
modelview.scale(m_fScale);
modelview.translate(0.0f, -0.2f, 0.0f);
// Uniform offset
// Get matrix's uniform location and set matrix
GLint transformLoc = glGetUniformLocation(shaderProgram, "transform");
glUniformMatrix4fv(transformLoc, 1, GL_FALSE, modelview.data());
// glUniform1f(glGetUniformLocation(ourShader.Program, "xOffset"), offset);
glBindVertexArray(VAO);
glDrawArrays(GL_TRIANGLES, 0, 3);
glBindVertexArray(0);
}
void HgTransformedQuad::transformQuad(int index, const QMatrix4x4& projView, HgQuad* quad,
qreal mirroringPlaneY, const QVector2D& translate, const QPointF& center,
const QSizeF& windowSize)
{
mIndex = index;
mQuad = quad;
QMatrix4x4 tm;
tm.setToIdentity();
tm.rotate(quad->outerRotation());
if (mQuad->mirrorImageEnabled())
{
computeMirroredPoints(tm, projView, mirroringPlaneY, translate, center, windowSize);
}
tm.translate(quad->position());
tm.rotate(quad->rotation());
tm.scale(quad->scale().x(), quad->scale().y());
tm = projView * tm;
perspectiveTransformPoints(mTransformedPoints, tm, center, windowSize);
for (int i = 0; i < 4; i++)
mTransformedPoints[i] += translate;
}
ImageData::ImageData(const QSize &size, const Format::Id format, const GLubyte *const data) :
TextureData(size, format, data), rect(QPoint(0, 0), size),
projectionMatrix([this]() {
const float halfWidth = (float)this->size.width() / 2.f;
const float halfHeight = (float)this->size.height() / 2.f;
QMatrix4x4 temp;
temp.scale(1.f / (float)halfWidth, 1.f / (float)halfHeight);
temp.translate(-halfWidth, -halfHeight);
return temp; }()),
vertexArray([this](){
GLuint vertexArray;
glGenVertexArrays(1, &vertexArray);
return vertexArray; }()),
vertexBuffer([this](){
GLuint vertexBuffer;
glGenBuffers((GLsizei)1, &vertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
const GLfloat vertices[][2] = {
{0.f, 0.f},
{(GLfloat)this->size.width(), 0.f},
{(GLfloat)this->size.width(), (GLfloat)this->size.height()},
{0.f, (GLfloat)this->size.height()},
};
glBufferData(GL_ARRAY_BUFFER, 4 * 2 * sizeof(GLfloat), vertices, GL_STATIC_DRAW);
return vertexBuffer; }())
{
}
QMatrix4x4 ModelInterface::getMatrix(const aiMatrix4x4* m)
{
QMatrix4x4 nodeMatrix;
if(m->IsIdentity())
return nodeMatrix;
aiQuaternion rotation;
aiVector3D position;
aiVector3D scale;
m->Decompose(scale, rotation, position);
QVector3D qscale(scale.x,scale.y, scale.z);
QVector3D qposition(position.x, position.y, position.z);
QQuaternion qrotation(rotation.w, rotation.x, rotation.y, rotation.z);
if(!qscale.isNull())
nodeMatrix.scale(qscale);
if(!qposition.isNull())
nodeMatrix.translate(qposition);
if(!qrotation.isNull())
nodeMatrix.rotate(qrotation);
return nodeMatrix;
}
void Visualizer::paintGL()
{
// Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
texture->bind();
// Calculate model view transformation
QMatrix4x4 matrix;
matrix.translate(0.0, 0.0, -5.0);
matrix.rotate(rotation);
// Set modelview-projection matrix
program.setUniformValue("mvp_matrix", projection * matrix);
// Use texture unit 0 which contains cube.png
program.setUniformValue("texture", 0);
// Generate 2 VBOs
arrayBuf.create();
indexBuf.create();
// Initializes cube geometry and transfers it to VBOs
initCubeGeometry();
drawCubeGeometry(&program);
}
void MultiTrackPlotter::updateTransform()
{
qreal y_scaling = 1.0;
y_scaling *= m_height * 0.5;
if (!m_overlay && m_channel_count > 1)
y_scaling /= m_channel_count;
qreal x_scaling = m_width;
if (m_frame_count > 1)
x_scaling /= (m_frame_count - 1);
for (int idx = 0; idx < m_channel_count; ++idx)
{
qreal y_translation = 1.0;
if (!m_overlay)
y_translation += idx * 2.0;
QMatrix4x4 matrix;
matrix.scale(x_scaling, y_scaling);
matrix.translate(0.0, y_translation);
matrix.scale(1.0, -m_scaling); // flip y axis!
QSGTransformNode *transformNode = static_cast<QSGTransformNode*>( childAtIndex(idx) );;
transformNode->setMatrix(matrix);
}
}
template <typename R> void call(R *r) {
const auto &view = r->getViewMatrix();
const auto &projection = r->getProjectionMatrix();
shader.bind();
sphere.vao.bind();
texture->bind(0);
shader.setUniformValue(shader.uniformLocation("projection"), projection);
shader.setUniformValue(shader.uniformLocation("view"), view);
for (auto &n : r->getScenario().nutrientSources) {
QMatrix4x4 model;
model.translate(n.pos.x(), n.pos.y(), n.pos.z());
double c = n.content / n.initialcontent;
double l = 15.0 + sqrt(n.sqradius * c) * 0.05;
model.scale(l, l, l);
QMatrix4x4 nmatrix = (model).inverted().transposed();
shader.setUniformValue(shader.uniformLocation("model"), model);
shader.setUniformValue(shader.uniformLocation("normalMatrix"), nmatrix);
auto hsv = QColor::fromHsvF(c * 0.35, 0.9, 0.9);
QVector4D col(hsv.redF(), hsv.greenF(), hsv.blueF(), 0.5);
std::cerr << "c = " << c << ", r = " << col.x() << std::endl;
shader.setUniformValue(shader.uniformLocation("color"), col);
GL->glDrawElements(GL_TRIANGLES, sphere.indices.size(), GL_UNSIGNED_INT, 0);
}
sphere.vao.release();
shader.release();
}
void SurfaceGraph::paintGL()
{
// Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
texture->bind();
// Calculate model view transformation
QMatrix4x4 matrix;
matrix.translate(0.0, 0.0, -5.0);
matrix.rotate(rotation);
matrix.scale(zoom,zoom,zoom);
// Set modelview-projection matrix
program.setUniformValue("mvp_matrix", projection * matrix);
// Use texture unit 0 (which file to use)
program.setUniformValue("texture", 0);
// Draw geometry
geometries->drawGeometry(&program);
if (display_lines)
{
geometries->drawLineGeometry(&program);
geometries->drawPointGeometry(&program);
}
}
QMatrix4x4 Transform3D::worldToLocalMatrix() const
{
QMatrix4x4 wtl;
wtl.rotate(m_orientation.conjugate());
wtl.translate(-m_position);
return wtl;
}
QMatrix4x4 centerIn(const QRectF& content, const QRectF& frame)
{
const qreal contentSize = std::max(content.width(), content.height());
const qreal frameSize = std::min(frame.width(), frame.height());
qreal scale{1};
if (frameSize < contentSize)
{
scale = frameSize / contentSize;
}
const QSizeF scaledContentSize = QSizeF(content.size()) * scale;
const qreal dx = (frame.width() - scaledContentSize.width()) / 2.0;
const qreal dy = (frame.height() - scaledContentSize.height()) / 2.0;
QPointF translate = QPointF(-content.topLeft());
translate += (QPointF(dx, dy) * (1 / scale));
QMatrix4x4 matrix;
matrix.scale(scale);
matrix.translate(translate.x(), translate.y());
return matrix;
}
void GLPointCloudViewer::renderCloud(QOpenGLShaderProgram* program, GLPointCloud* cloud)
{
if (program == nullptr || !program->bind())
return;
// Calculate model view transformation
QMatrix4x4 view;
view.translate(0, 0, distance);
view.rotate(rotation);
int projection_matrix_location = program->uniformLocation("projectionMatrix");
if (projection_matrix_location > -1)
program->setUniformValue("projectionMatrix", projection);
else
std::cerr << "Error: Shader does not have attribute 'projectionMatrix'" << std::endl;
int view_matrix_location = program->uniformLocation("viewMatrix");
if (view_matrix_location > -1)
program->setUniformValue("viewMatrix", view);
else
std::cerr << "Error: Shader does not have attribute 'viewMatrix'" << std::endl;
int model_matrix_location = program->uniformLocation("modelMatrix");
if (model_matrix_location > -1)
program->setUniformValue("modelMatrix", cloud->transform());
else
std::cerr << "Error: Shader does not have attribute 'modelMatrix'" << std::endl;
cloud->render(program);
}
void MyWindow::CreateVertexBuffer()
{
QMatrix4x4 transform;
transform.translate(QVector3D(0.0f, 1.5f, 0.25f));
mTeapot = new Teapot(13, transform);
// Create and populate the buffer objects
unsigned int handle[3];
glGenBuffers(3, handle);
glBindBuffer(GL_ARRAY_BUFFER, handle[0]);
glBufferData(GL_ARRAY_BUFFER, (3 * mTeapot->getnVerts()) * sizeof(float), mTeapot->getv(), GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, handle[1]);
glBufferData(GL_ARRAY_BUFFER, (3 * mTeapot->getnVerts()) * sizeof(float), mTeapot->getn(), GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, handle[2]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, 6 * mTeapot->getnFaces() * sizeof(unsigned int), mTeapot->getelems(), GL_STATIC_DRAW);
// Setup the VAO
// Vertex positions
mFuncs->glBindVertexBuffer(0, handle[0], 0, sizeof(GLfloat) * 3);
mFuncs->glVertexAttribFormat(0, 3, GL_FLOAT, GL_FALSE, 0);
mFuncs->glVertexAttribBinding(0, 0);
// Vertex normals
mFuncs->glBindVertexBuffer(1, handle[1], 0, sizeof(GLfloat) * 3);
mFuncs->glVertexAttribFormat(1, 3, GL_FLOAT, GL_FALSE, 0);
mFuncs->glVertexAttribBinding(1, 1);
// Indices
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, handle[2]);
mFuncs->glBindVertexArray(0);
}
void ImagesDisplay::paint_3d_output()
{
float val;
QMatrix4x4 matrix;
QGLShaderProgram *sel_program;
// Calculate model view transformation
matrix.translate(0.0, 0.0, -5.0);
//matrix.rotate(rotation);
if (ima_info.preview_mode == 0)
{ sel_program = &program; }
else
{ sel_program = &program_threshold; }
sel_program->bind();
// Set modelview-projection matrix
sel_program->setUniformValue("mvp_matrix", projection *matrix);
// Default texture unit which contains the texture from resources or file
sel_program->setUniformValue("texture", 0);
val = threshold_val;
sel_program->setUniformValue("threshold_val",val);
if (ima_info.info_flag & INFO_FLAG_DRAW_IMAGE)
{
kernel.draw_image_to_screen(sel_program);
}
}
void Renderer::render()
{
QMutexLocker locker(&m_windowLock);
if (m_windows.isEmpty())
return;
HelloWindow *surface = m_windows.at(m_currentWindow);
QColor color = surface->color();
m_currentWindow = (m_currentWindow + 1) % m_windows.size();
if (!m_context->makeCurrent(surface))
return;
QSize viewSize = surface->size();
locker.unlock();
if (!m_initialized) {
initialize();
m_initialized = true;
}
QOpenGLFunctions *f = m_context->functions();
f->glViewport(0, 0, viewSize.width() * surface->devicePixelRatio(), viewSize.height() * surface->devicePixelRatio());
f->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
f->glClearColor(m_backgroundColor.redF(), m_backgroundColor.greenF(), m_backgroundColor.blueF(), m_backgroundColor.alphaF());
f->glFrontFace(GL_CW);
f->glCullFace(GL_FRONT);
f->glEnable(GL_CULL_FACE);
f->glEnable(GL_DEPTH_TEST);
m_program->bind();
m_vbo.bind();
m_program->enableAttributeArray(vertexAttr);
m_program->enableAttributeArray(normalAttr);
m_program->setAttributeBuffer(vertexAttr, GL_FLOAT, 0, 3);
const int verticesSize = vertices.count() * 3 * sizeof(GLfloat);
m_program->setAttributeBuffer(normalAttr, GL_FLOAT, verticesSize, 3);
QMatrix4x4 modelview;
modelview.rotate(m_fAngle, 0.0f, 1.0f, 0.0f);
modelview.rotate(m_fAngle, 1.0f, 0.0f, 0.0f);
modelview.rotate(m_fAngle, 0.0f, 0.0f, 1.0f);
modelview.translate(0.0f, -0.2f, 0.0f);
m_program->setUniformValue(matrixUniform, modelview);
m_program->setUniformValue(colorUniform, color);
m_context->functions()->glDrawArrays(GL_TRIANGLES, 0, vertices.size());
m_context->swapBuffers(surface);
m_fAngle += 1.0f;
QTimer::singleShot(0, this, SLOT(render()));
}
void AvatarVoxelSystem::applyScaleAndBindProgram(bool texture) {
_skinProgram.bind();
// the base matrix includes centering and scale
QMatrix4x4 baseMatrix;
baseMatrix.scale(_treeScale);
baseMatrix.translate(-0.5f, -0.5f, -0.5f);
// bone matrices include joint transforms
QMatrix4x4 boneMatrices[NUM_AVATAR_JOINTS];
for (int i = 0; i < NUM_AVATAR_JOINTS; i++) {
glm::vec3 position;
glm::quat orientation;
_avatar->getBodyBallTransform((AvatarJointID)i, position, orientation);
boneMatrices[i].translate(position.x, position.y, position.z);
orientation = orientation * glm::inverse(_avatar->getSkeleton().joint[i].absoluteBindPoseRotation);
boneMatrices[i].rotate(QQuaternion(orientation.w, orientation.x, orientation.y, orientation.z));
const glm::vec3& bindPosition = _avatar->getSkeleton().joint[i].absoluteBindPosePosition;
boneMatrices[i].translate(-bindPosition.x, -bindPosition.y, -bindPosition.z);
boneMatrices[i] *= baseMatrix;
}
_skinProgram.setUniformValueArray(_boneMatricesLocation, boneMatrices, NUM_AVATAR_JOINTS);
glBindBuffer(GL_ARRAY_BUFFER, _vboBoneIndicesID);
glVertexAttribPointer(_boneIndicesLocation, BONE_ELEMENTS_PER_VERTEX, GL_UNSIGNED_BYTE, false, 0, 0);
_skinProgram.enableAttributeArray(_boneIndicesLocation);
glBindBuffer(GL_ARRAY_BUFFER, _vboBoneWeightsID);
_skinProgram.setAttributeBuffer(_boneWeightsLocation, GL_FLOAT, 0, BONE_ELEMENTS_PER_VERTEX);
_skinProgram.enableAttributeArray(_boneWeightsLocation);
}
void QVRVNCViewer::createSceneGeometry(QVector<QVector3D>& positions,
QVector<QVector2D>& texcoords, QVector<unsigned int>& indices)
{
if (_screenType == screenTypeWall) {
QVector3D bl(_screenWall[0], _screenWall[1], _screenWall[2]);
QVector3D br(_screenWall[3], _screenWall[4], _screenWall[5]);
QVector3D tl(_screenWall[6], _screenWall[7], _screenWall[8]);
QVector3D tr = br + (tl - bl);
positions.append(bl);
positions.append(br);
positions.append(tr);
positions.append(tl);
texcoords.append(QVector2D(0.0f, 1.0f));
texcoords.append(QVector2D(1.0f, 1.0f));
texcoords.append(QVector2D(1.0f, 0.0f));
texcoords.append(QVector2D(0.0f, 0.0f));
indices.append(0);
indices.append(1);
indices.append(3);
indices.append(1);
indices.append(2);
indices.append(3);
} else if (_screenType == screenTypeCylinder) {
QVector3D center(_screenCylinder[0], _screenCylinder[1], _screenCylinder[2]);
QVector3D up(_screenCylinder[3], _screenCylinder[4], _screenCylinder[5]);
float radius = _screenCylinder[6];
float phiCenter = _screenCylinder[7];
float phiRange = _screenCylinder[8];
float thetaRange = _screenCylinder[9];
float py = radius * std::tan(thetaRange / 2.0f);
QVector3D rotAxis = QVector3D::crossProduct(QVector3D(0.0f, 1.0f, 0.0f), up);
float rotAngle = qRadiansToDegrees(
std::acos(QVector3D::dotProduct(QVector3D(0.0f, 1.0f, 0.0f), up)
/ std::sqrt(QVector3D::dotProduct(up, up))));
QMatrix4x4 M;
M.rotate(90.0f, 0.0f, 1.0f, 0.0f);
M.rotate(rotAngle, rotAxis);
M.translate(center);
const int N = 1000;
for (int x = 0; x <= N; x++) {
float xf = x / static_cast<float>(N);
float phi = phiCenter + (xf - 0.5f) * phiRange;
float px = radius * std::cos(phi);
float pz = radius * std::sin(phi);
positions.append(M * QVector3D(px, py, pz));
texcoords.append(QVector2D(xf, 0.0f));
positions.append(M * QVector3D(px, -py, pz));
texcoords.append(QVector2D(xf, 1.0f));
if (x > 0) {
indices.append(2 * (x - 1));
indices.append(2 * (x - 1) + 1);
indices.append(2 * x + 1);
indices.append(2 * (x - 1));
indices.append(2 * x + 1);
indices.append(2 * x);
}
}
}
}
void PhysicsTransform::updateMatrix(){
QMatrix4x4 m;
m.translate(m_translation);
m.rotate(m_rotation);
m.scale(m_scale);
m_transformMatrix = m;
m_dirty=true;
}
void rpnoc::ImageCell::draw( const QMatrix4x4& iProjection, const QMatrix4x4& iView, QMatrix4x4 iModel )
{
mPanel->draw( iProjection, iView, iModel );
iModel.translate( mPadding.x(), mPadding.y(), 0.0 );
TextureManager::getInstance().bindTexture( mName );
mSquare->draw( iProjection, iView, iModel );
}
void BeamRendererComponent::draw( int /* timeLapse */ )
{
QMatrix4x4 transform = gameObject()->transform();
transform.translate( 0, 0, 0.01f );
transform.scale( d->size.width() / 2, d->size.width() / 2 );
d->baseItem->setTransform( transform );
transform = gameObject()->transform();
transform.translate( 0, d->size.height() / 2 );
transform.scale( d->size.width() / 2, d->size.height() / 2 );
d->beamItem->setTransform( transform );
transform = gameObject()->transform();
transform.translate( 0, d->size.height(), 0.01f );
transform.scale( d->size.width() / 2, d->size.width() / 2 );
d->tipItem->setTransform( transform );
}
QMatrix4x4 moveTo(const QPoint& point, const QPoint& refPoint)
{
QMatrix4x4 matrix;
matrix.translate(refPoint.x() - point.x(), refPoint.y() - point.y());
return matrix;
}
QMatrix4x4 Transformable::modelMatrix() const {
QMatrix4x4 mat;
mat.translate(m_position);
mat.scale(m_scale);
//mat.rotate(m_rotation);
mat.rotate(m_rotation.scalar(), m_rotation.x(), m_rotation.y(), m_rotation.z());
return mat;
}