#include "stickman.h"
#include "node.h"
#include <QPainter>
#include <QTimer>
#define _USE_MATH_DEFINES
#include <math.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
static const qreal Coords[NodeCount * 2] = {
0.0, -150.0,
0.0, -100.0,
-50.0, -50.0,
50.0, -50.0,
-25.0, 50.0,
25.0, 50.0,
-100.0, 0.0,
-125.0, 50.0,
100.0, 0.0,
125.0, 50.0,
-35.0, 75.0,
35.0, 75.0,
-25.0, 200.0,
-30.0, 300.0,
25.0, 200.0,
30.0, 300.0
};
static const int Bones[BoneCount * 2] = {
0, 1,
1, 2,
1, 3,
1, 4,
1, 5,
2, 3,
2, 4,
2, 5,
3, 4,
3, 5,
4, 5,
2, 6,
6, 7,
3, 8,
8, 9,
4, 10,
4, 11,
5, 10,
5, 11,
10, 11,
10, 12,
12, 13,
11, 14,
14, 15
};
StickMan::StickMan()
{
m_sticks = true;
m_isDead = false;
m_pixmap = QPixmap("images/head.png");
m_penColor = Qt::white;
m_fillColor = Qt::black;
for (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
{
return 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];
else
return 0;
}
void StickMan::timerEvent(QTimerEvent *)
{
update();
}
void StickMan::stabilize()
{
static const qreal 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();
}
void StickMan::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
{
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 {
QPainterPath path;
path.moveTo(posFor(0));
path.lineTo(posFor(1));
path.lineTo(posFor(2));
path.lineTo(posFor(6));
path.lineTo(posFor(7));
path.moveTo(posFor(3));
path.lineTo(posFor(8));
path.lineTo(posFor(9));
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));
path.moveTo(posFor(10));
path.lineTo(posFor(12));
path.lineTo(posFor(13));
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 = asin(sinAngle) * 180.0 / M_PI;
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));
if (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);
}
if (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);
}
if (!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);
}
}
}
}