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/* \author Kripasindhu Sarkar */
#include <iostream>
#include <map>
#include <vector>
#include <pcl/visualization/pcl_painter2D.h>
//----------------------------------------------------------------------------
int main (int argc, char * argv [])
{
pcl::visualization::PCLPainter2D *painter = new pcl::visualization::PCLPainter2D();
int winw = 800, winh = 600;
painter->setWindowSize (winw, winh);
int xpos = 0;
int r = winw;
int R = 50;
int inc = 5;
int noc = winw/R;
while (1)
{
//draw noc no of circles
for (int i = 0; i < noc; i++)
{
if (i % 2)
painter->setBrushColor (0, 0, 0, 200);
else
painter->setBrushColor (255, 255, 255, 200);
int rad = r - i*R;
if (rad < 0) { rad = winw + rad;}
painter->addCircle (winw/2, winh/2, rad);
}
r -= inc;
if (r < winw-R) r = winw + R;
painter->setBrushColor (255,0,0,100);
painter->addRect ((xpos += inc) % winw, 100, 100, 100);
//display
painter->spinOnce ();
painter->clearFigures ();
}
return 0;
}
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