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#include "stickman.h"#include "node.h"#include <QPainter>#include <QTimer>#include <qmath.h>staticconstqreal Coords[NodeCount *2]= {
0.0,-150.0,// head, #00.0,-100.0,// body pentagon, top->bottom, left->right, #1 - 5-50.0,-50.0,50.0,-50.0,-25.0,50.0,25.0,50.0,-100.0,0.0,// right arm, #6 - 7-125.0,50.0,100.0,0.0,// left arm, #8 - 9125.0,50.0,-35.0,75.0,// lower body, #10 - 1135.0,75.0,-25.0,200.0,// right leg, #12 - 13-30.0,300.0,25.0,200.0,// left leg, #14 - 1530.0,300.0
};
staticconstint Bones[BoneCount *2]= {
0,1,// neck1,2,// body1,3,1,4,1,5,2,3,2,4,2,5,3,4,3,5,4,5,2,6,// right arm6,7,3,8,// left arm8,9,4,10,// lower body4,11,5,10,5,11,10,11,10,12,// right leg12,13,11,14,// left leg14,15
};
StickMan::StickMan()
{
m_sticks =true;
m_isDead =false;
m_pixmap =QPixmap("images/head.png");
m_penColor =Qt::white;
m_fillColor =Qt::black;
// Set up start position of limbsfor (int i=0; i<NodeCount; ++i) {
m_nodes[i]=new Node(QPointF(Coords[i *2], Coords[i *2+1]),this);
connect(m_nodes[i], SIGNAL(positionChanged()),this, SLOT(childPositionChanged()));
}
for (int i=0; i<BoneCount; ++i) {
int n1 = Bones[i *2];
int n2 = Bones[i *2+1];
Node *node1 = m_nodes[n1];
Node *node2 = m_nodes[n2];
QPointF dist = node1->pos() - node2->pos();
m_perfectBoneLengths[i]= sqrt(pow(dist.x(),2) + pow(dist.y(),2));
}
startTimer(10);
}
StickMan::~StickMan()
{
}
void StickMan::childPositionChanged()
{
prepareGeometryChange();
}
void StickMan::setDrawSticks(bool on)
{
m_sticks = on;
for (int i=0;i<nodeCount();++i) {
Node *node = m_nodes[i];
node->setVisible(on);
}
}
QRectF StickMan::boundingRect() const
{
// account for head radius=50.0 plus pen which is 5.0return childrenBoundingRect().adjusted(-55.0,-55.0,55.0,55.0);
}
int StickMan::nodeCount() const
{
return NodeCount;
}
Node *StickMan::node(int idx) const
{
if (idx >=0&& idx < NodeCount)
return m_nodes[idx];
elsereturn0;
}
void StickMan::timerEvent(QTimerEvent*)
{
update();
}
void StickMan::stabilize()
{
staticconstqreal threshold =0.001;
for (int i=0; i<BoneCount; ++i) {
int n1 = Bones[i *2];
int n2 = Bones[i *2+1];
Node *node1 = m_nodes[n1];
Node *node2 = m_nodes[n2];
QPointF pos1 = node1->pos();
QPointF pos2 = node2->pos();
QPointF dist = pos1 - pos2;
qreal length = sqrt(pow(dist.x(),2) + pow(dist.y(),2));
qreal diff = (length - m_perfectBoneLengths[i]) / length;
QPointF p = dist * (0.5* diff);
if (p.x() > threshold && p.y() > threshold) {
pos1 -= p;
pos2 += p;
node1->setPos(pos1);
node2->setPos(pos2);
}
}
}
QPointF StickMan::posFor(int idx) const
{
return m_nodes[idx]->pos();
}
//#include <QTime>void StickMan::paint(QPainter*painter,constQStyleOptionGraphicsItem*,QWidget*)
{
/* static int frames = 0;
static QTime time;
if (frames++ % 100 == 0) {
frames = 1;
time.restart();
}
if (time.elapsed() > 0) {
painter->setPen(Qt::white);
painter->drawText(0, 0, QString::number(frames / (time.elapsed() / 1000.0)));
}*/
stabilize();
if (m_sticks) {
painter->setPen(Qt::white);
for (int i=0; i<BoneCount; ++i) {
int n1 = Bones[i *2];
int n2 = Bones[i *2+1];
Node *node1 = m_nodes[n1];
Node *node2 = m_nodes[n2];
painter->drawLine(node1->pos(), node2->pos());
}
} else {
// first bone is neck and will be used for headQPainterPath path;
path.moveTo(posFor(0));
path.lineTo(posFor(1));
// right arm
path.lineTo(posFor(2));
path.lineTo(posFor(6));
path.lineTo(posFor(7));
// left arm
path.moveTo(posFor(3));
path.lineTo(posFor(8));
path.lineTo(posFor(9));
// body
path.moveTo(posFor(2));
path.lineTo(posFor(4));
path.lineTo(posFor(10));
path.lineTo(posFor(11));
path.lineTo(posFor(5));
path.lineTo(posFor(3));
path.lineTo(posFor(1));
// right leg
path.moveTo(posFor(10));
path.lineTo(posFor(12));
path.lineTo(posFor(13));
// left leg
path.moveTo(posFor(11));
path.lineTo(posFor(14));
path.lineTo(posFor(15));
painter->setPen(QPen(m_penColor,5.0,Qt::SolidLine,Qt::RoundCap));
painter->drawPath(path);
{
int n1 = Bones[0];
int n2 = Bones[1];
Node *node1 = m_nodes[n1];
Node *node2 = m_nodes[n2];
QPointF dist = node2->pos() - node1->pos();
qreal sinAngle = dist.x() / sqrt(pow(dist.x(),2) + pow(dist.y(),2));
qreal angle =qRadiansToDegrees(asin(sinAngle));
QPointF headPos = node1->pos();
painter->translate(headPos);
painter->rotate(-angle);
painter->setBrush(m_fillColor);
painter->drawEllipse(QPointF(0,0),50.0,50.0);
painter->setBrush(m_penColor);
painter->setPen(QPen(m_penColor,2.5,Qt::SolidLine,Qt::RoundCap));
// eyesif (m_isDead) {
painter->drawLine(-30.0,-30.0,-20.0,-20.0);
painter->drawLine(-20.0,-30.0,-30.0,-20.0);
painter->drawLine(20.0,-30.0,30.0,-20.0);
painter->drawLine(30.0,-30.0,20.0,-20.0);
} else {
painter->drawChord(QRectF(-30.0,-30.0,25.0,70.0),30.0*16,120.0*16);
painter->drawChord(QRectF(5.0,-30.0,25.0,70.0),30.0*16,120.0*16);
}
// mouthif (m_isDead) {
painter->drawLine(-28.0,2.0,29.0,2.0);
} else {
painter->setBrush(QColor(128,0,64 ));
painter->drawChord(QRectF(-28.0,2.0-55.0/2.0,57.0,55.0),0.0,-180.0*16);
}
// pupilsif (!m_isDead) {
painter->setPen(QPen(m_fillColor,1.0,Qt::SolidLine,Qt::RoundCap));
painter->setBrush(m_fillColor);
painter->drawEllipse(QPointF(-12.0,-25.0),5.0,5.0);
painter->drawEllipse(QPointF(22.0,-25.0),5.0,5.0);
}
}
}
}
