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34 lines
953 B
34 lines
953 B
2 years ago
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#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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