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33 lines
953 B
33 lines
953 B
#include "tower.h" |
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#include <QPixmap> |
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#include <QVector> |
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#include <QPointF> |
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Tower::Tower(QGraphicsItem *parent) { |
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setPixmap(QPixmap(":/images/tower.png")); |
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// create points vectors |
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QVector<QPointF> points; |
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points << QPoint(1,0) << QPoint(2,0) << QPoint(3,1) << QPoint(3,2) << QPoint(2,3) << QPoint(1,3) << QPoint(0,2) << QPoint(0,1); |
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// scale points |
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int SCALE_FACTOR = 70; |
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for (size_t i = 0, n = points.size(); i <n; i++) { |
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points[i] *= SCALE_FACTOR; |
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} |
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// create a polygon from these points |
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QPolygonF polygon(points); |
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// create the QGraphicsPolygonItem |
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attack_area = new QGraphicsPolygonItem(QPolygonF(points), this); |
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// move the polygon |
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QPointF poly_center(1.5, 1.5); |
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poly_center *= SCALE_FACTOR; |
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poly_center = mapToScene(poly_center); |
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QPointF tower_center(x()+34, y()+64); |
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QLineF ln(poly_center, tower_center); |
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attack_area->setPos(x()+ln.dx(), y()+ln.dy()); |
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}
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