showcase16b.cpp File Reference

random point and a moving vector, show side of point (WIP !!!) More...

#include "../../homog2d.hpp"

Include dependency graph for showcase16b.cpp:

Functions
int	main (int, const char **)

Detailed Description

random point and a moving vector, show side of point (WIP !!!)

Function Documentation

main()

int main	(	int	,
		const char **
	)

{
    auto nbim = 25; // nb images
    auto imsize = 300;

    auto kx1 = 20.;
    auto ky1 = 55;
    auto kx2 = 16;
    auto ky2 = 12.1;
    auto rot2 = 2.2;
    auto x0 = imsize/2 - 20;
    auto y0 = imsize/2 - 50;

    Point2d pt0( imsize/2, 80 );

    for( int i=0; i<nbim; i++ )
    {
        img::Image<img::SvgImage> im( imsize*2,imsize-100 );

        auto angle =  i * 360. /nbim;
//      std::cout << "angle=" << angle << '\n';
//      auto angle = i*360./nbim;

        auto angle1 = M_PI * angle / 180;
        auto x1 = std::cos(angle1)*kx1;
        auto y1 = std::sin(angle1)*ky1;

        auto angle2 = M_PI * angle * rot2 / 180;
        auto x2 = std::cos(angle2)*kx2;
        auto y2 = std::sin(angle2)*ky2;

        Point2d ptv1( x0+x1,     y0+y1 );
        Point2d ptv2( x0+x2+100, y0+y2 );
        OSegment v( ptv1, ptv2 );
//      std::cout << "x1=" << x0+x1 << " y1=" << y0+y1 << " x2=" << x0+x2 << " y2=" << y0+y2 << '\n';

        v.getLine().draw( im, img::DrawParams().setColor(200,200,200) );
        v.draw( im, img::DrawParams().setColor(250,0,0).showPoints() );

        pt0.draw( im, img::DrawParams().setColor(0,0,250) );
//      li.draw( im, img::DrawParams().setThickness(2).setColor(250,0,0) );

        im.drawText( std::string("side=") + getString( v.getPointSide(pt0) ), Point2d(50,50), img::DrawParams() );


        std::ostringstream oss;
        oss << "showcase16b_" << std::setfill('0') << std::setw(2) << i << ".svg";
        im.write( oss.str() );
    }
}

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