// Center of tree
void centerBranch(int depth) {
int terminatingBranch = 0;
if (depth == 0) {
translateBy(0, 5 * (1.0 / scaleFactor), 0);
terminatingLeaf();
return;
} // if
if (depth == 1) {
terminatingBranch = TERM;
} // if
translateBy(0, 6 * (depth * 1.0 / scaleFactor), 0);
drawBranch(CENTER, depth);
// Left branch
pushMatrix();
turnLeft();
translateBy(0, 6 * (depth * 1.0 / scaleFactor), 0);
drawBranch(LEFT | terminatingBranch, depth);
leftBranch(depth - 1);
popMatrix();
// 3D left branch
pushMatrix();
rotateBy(90, 0, 1, 0);
rotateBy(15, 0, 0, 1);
translateBy(1, 0, 0);
turnLeft();
translateBy(0, 6 * (depth * 1.0 / scaleFactor), 0);
drawBranch(LEFT | terminatingBranch, depth);
leftBranch(depth - 1);
popMatrix();
translateBy(0, 6 * (depth * 1.0 / scaleFactor), 0);
drawBranch(CENTER, depth);
// Right branch
pushMatrix();
turnRight();
translateBy(0, 6 * (depth * 1.0 / scaleFactor), 0);
drawBranch(RIGHT | terminatingBranch, depth);
rightBranch(depth - 1);
popMatrix();
// 3D right branch
pushMatrix();
rotateBy(90, 0, 1, 0);
rotateBy(-15, 0, 0, 1);
translateBy(-1, 0, 0);
turnRight();
translateBy(0, 6 * (depth * 1.0 / scaleFactor), 0);
drawBranch(RIGHT | terminatingBranch, depth);
rightBranch(depth - 1);
popMatrix();
translateBy(0, 6 * (depth * 1.0 / scaleFactor), 0);
drawBranch(CENTER | TERM, depth);
centerBranch(depth - 1);
} // centerBranch
void WidgetGL::mouseMoveEvent(QMouseEvent *event)
{
int dx = event->x() - lastPos.x();
int dy = event->y() - lastPos.y();
if (event->buttons() & Qt::LeftButton)
{
rotateBy(1 * dy, 1 * dx, 0);
}
else if (event->buttons() & Qt::RightButton)
{
rotateBy(1 * dy, 0, 1 * dx);
}
else if( event->buttons() & Qt::MidButton)
{
left = -dx;
right = dx;
bottom = -dy;
top = dy;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D( left, right, bottom, top);
glMatrixMode(GL_MODELVIEW);
updateGL();
}
lastPos = event->pos();
}
void GLWidget::mouseMoveEvent(QMouseEvent *event)
{
int dx = event->x() - lastPos.x();
int dy = event->y() - lastPos.y();
if (event->buttons() & Qt::LeftButton) {
rotateBy(8 * dy, 8 * dx, 0);
} else if (event->buttons() & Qt::RightButton) {
rotateBy(8 * dy, 0, 8 * dx);
}
lastPos = event->pos();
}
void HeightmapWidget::mouseMoveEvent(QMouseEvent *event)
{
int dx = event->x() - last_pos.x();
int dy = event->y() - last_pos.y();
if (event->buttons() & Qt::RightButton)
{
rotateBy(dy*8, 0, 0);
rotateBy(0, dx*8, 0);
}
last_pos = event->pos();
}
// Draws 3 leaves around the end of a branch.. once upon a time
void terminatingLeaf(void) {
if (!drawLeaves) {
return;
} // if
if ( (rand() % 100) < 2) {
drawFruit();
} else {
pushMatrix();
rotateBy( (rand() % 90), 0, 0, 1);
rotateBy( -(rand() % 10), 0, 1, 0);
drawLeaf();
popMatrix();
} // if-else
} // terminatingLeaf
bool WheelRotator::handleMouseEvent( const MouseEvent & event, Tool& tool )
{
if (CurrentRotationProperties::properties().size() == 0)
return false;
if (event.dz() != 0)
{
timeSinceInput_ = 0.0f;
// Get the direction only, we don't want the magnitude
float amnt = (event.dz() > 0) ? -1.0f : 1.0f;
// Move at 1deg/click with the button down, 5degs/click otherwise
if (!InputDevices::instance().isKeyDown( KeyEvent::KEY_MIDDLEMOUSE ))
amnt *= 15.0f;
rotateBy( amnt, !InputDevices::instance().isShiftDown() );
return true;
}
else
{
// commit the rotation now, so we don't have to wait for the timeout
commitChanges();
ToolManager::instance().popTool();
}
return false;
}
void OGLContext::rotateOneStep()
{
if (qRotate)
{
rotateBy(1, 1, 1);
}
}
void drawSkeleton() {
if (materialsMode) {
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat_red);
}
int i, j, k;
for(i = 0; i < NV; i++) {
glPushMatrix();
glTranslatef(vertexes[i][0], vertexes[i][1], vertexes[i][2]);
glutSolidSphere(0.2, 32, 16);
glPopMatrix();
}
float center[3];
float difference[3];
if (materialsMode) {
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat_green);
}
float cylinder[3] = {0, 1, 0};
float zero[3] = {0, 0, 0};
for(i = 0; i < NV; i++) {
for (j = 0; j < 4; j++) {
int j2 = j < 3 ? j + 1 : 0;
float distance = 0;
for (k = 0; k < 3; k++) {
difference[k] = vertexes[faces[i][j]][k] - vertexes[faces[i][j2]][k];
distance += difference[k] * difference[k];
center[k] = (vertexes[faces[i][j]][k] + vertexes[faces[i][j2]][k]) / 2;
}
glPushMatrix();
glTranslatef(center[0], center[1], center[2]);
/* Normalizing */
difference[0] /= sqrt(distance);
difference[1] /= sqrt(distance);
difference[2] /= sqrt(distance);
float nx, ny, nz;
float normal[3];
CalculateVectorNormal(zero, cylinder, difference,
&nx, &ny, &nz);
normal[0] = nx;
normal[1] = ny;
normal[2] = nz;
float angle = DEG(getAngle(cylinder, difference));
rotateBy(normal, angle);
drawCylinder(0.05, sqrt(distance), 64);
glPopMatrix();
}
}
if (materialsMode) {
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat_gray);
}
}
GLWidget::GLWidget(QWidget *parent) : QWidget(parent)
{
Q_INIT_RESOURCE(posewidget);
front = QImage(QString(":/images/side1.png"));
back = QImage(QString(":/images/side6.png"));
rotateBy(0, 0, 0);
}
/****************************************************************************
**
** Copyright (C) 2015
**
** This file is generated by the Magus toolkit
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
****************************************************************************/
#include <QtWidgets>
#include <QtOpenGL>
#include <QMessageBox>
#include "tool_glspherewidget.h"
namespace Magus
{
//****************************************************************************/
QtGLSphereWidget::QtGLSphereWidget(QWidget *parent, QGLWidget *shareWidget)
: QGLWidget(parent, shareWidget)
{
clearColor = Qt::black;
xRot = 0;
yRot = 0;
zRot = 0;
program = 0;
}
//****************************************************************************/
QtGLSphereWidget::~QtGLSphereWidget()
{
}
//****************************************************************************/
QSize QtGLSphereWidget::minimumSizeHint() const
{
return QSize(16, 16);
}
//****************************************************************************/
QSize QtGLSphereWidget::sizeHint() const
{
return QSize(200, 200);
}
//****************************************************************************/
void QtGLSphereWidget::rotateBy(int xAngle, int yAngle, int zAngle)
{
xRot += xAngle;
yRot += yAngle;
zRot += zAngle;
updateGL();
}
//****************************************************************************/
void QtGLSphereWidget::setClearColor(const QColor &color)
{
clearColor = color;
updateGL();
}
//****************************************************************************/
void QtGLSphereWidget::setPixmap(const QPixmap& pixmap, const QString& fullName, const QString& baseName)
{
mPixmap = pixmap;
mFullName = fullName;
mBaseName = baseName;
}
//****************************************************************************/
const QString& QtGLSphereWidget::getFullName(void) const
{
return mFullName;
}
//****************************************************************************/
const QString& QtGLSphereWidget::getBaseName(void) const
{
return mBaseName;
}
//****************************************************************************/
void QtGLSphereWidget::initializeGL()
{
initializeOpenGLFunctions();
buildSphere();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
#ifdef GL_TEXTURE_2D
glEnable(GL_TEXTURE_2D);
#endif
#define PROGRAM_VERTEX_ATTRIBUTE 0
#define PROGRAM_TEXCOORD_ATTRIBUTE 1
QGLShader *vshader = new QGLShader(QGLShader::Vertex, this);
const char *vsrc =
"attribute highp vec4 vertex;\n"
"attribute mediump vec4 texCoord;\n"
"varying mediump vec4 texc;\n"
"uniform mediump mat4 matrix;\n"
"void main(void)\n"
"{\n"
" gl_Position = matrix * vertex;\n"
" texc = texCoord;\n"
"}\n";
vshader->compileSourceCode(vsrc);
QGLShader *fshader = new QGLShader(QGLShader::Fragment, this);
const char *fsrc =
"uniform sampler2D texture;\n"
"varying mediump vec4 texc;\n"
"void main(void)\n"
"{\n"
" gl_FragColor = texture2D(texture, texc.st);\n"
"}\n";
fshader->compileSourceCode(fsrc);
program = new QGLShaderProgram(this);
program->addShader(vshader);
program->addShader(fshader);
program->bindAttributeLocation("vertex", PROGRAM_VERTEX_ATTRIBUTE);
program->bindAttributeLocation("texCoord", PROGRAM_TEXCOORD_ATTRIBUTE);
program->link();
program->bind();
program->setUniformValue("texture", 0);
// Set the clear color and rotate the sphere
QColor clearColor;
clearColor = Qt::black;
setClearColor(clearColor);
rotateBy(0 * 16, -90 * 16, 180 * 16);
}
int main()
{
node_t head = NULL;
int a[] = {1, 2, 3, 4, 3, 4, 9};
int i = 0;
for(i = 0; i < 7; ++i)
{
head = addElement(head,a[i]);
}
display(head);
int n = 11;
head = rotateBy(head,n);
display(head);
return 0;
}
void ModelShow::mouseMoveEvent(QMouseEvent *event)
{
int dx=event->x()-lastPos.x();
int dy=event->y()-lastPos.y();
if(event->buttons() & Qt::LeftButton){
rotateBy(-8*dy,8*dx,0);
}
else if(event->buttons() & Qt::RightButton){
zoomBy(-0.01*dx);
}
else if(event->buttons() & Qt::MiddleButton){
translateBy(0.01*dx,0.01*dy,0);
}
lastPos=event->pos();
}
node_t rotateBy(node_t head, int n)
{
if(head == NULL || n == 0)
{
return head;
}
node_t cur = head;
while(cur -> link -> link != NULL)
{
cur = cur -> link;
}
node_t temp = cur -> link;
cur -> link = NULL;
temp -> link = head;
head = temp;
return head = rotateBy(head, n - 1);
}
Path2D GeometricRecognizer::rotateToZero(Path2D points)
{
Point2D c = centroid(points);
double rotation = atan2(c.y - points[0].y, c.x - points[0].x);
return rotateBy(points, -rotation);
}
double GeometricRecognizer::distanceAtAngle(
Path2D points, GestureTemplate aTemplate, double rotation)
{
Path2D newPoints = rotateBy(points, rotation);
return pathDistance(newPoints, aTemplate.points);
}
/**
* Rotates the camera by an angle to the right. Consolidating this into a
* function makes the l-system more readable
*/
void turnRight() {
rotateBy(-angle, 0, 0, 1);
} // turnRight
void Moveable::rotateByZ(float angle) {
rotateBy(glm::vec3(0.0, 0.0, 1.0), angle);
mRefresh = true;
}
GLWidget::GLWidget(QWidget *parent) : QWidget(parent)
{
front = QImage(QString(":/images/side1.png"));
back = QImage(QString(":/images/side6.png"));
rotateBy(0, 0, 0);
}
/**
* Rotates the camera by an angle to the left. Consolidating this into a
* function makes the l-system more readable
*/
void turnLeft() {
rotateBy(angle, 0, 0, 1);
} // turnLeft