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Graphics / Re: draw ellipses

« on: July 06, 2013, 07:31:03 pm »

//math for ellipse

#include<cmath>



#define PI 3.1415926535898

float radius_x=50;
float radius_y=20;
unsigned short quality=70;

sf::ConvexShape ellipse;
    ellipse.setPointCount(quality);

for(unsigned short i=0;i<quality;++i){
    float rad=(360/quality*i)/(360/PI/2);
    float x=cos(rad)*radius_x;
    float y=sin(rad)*radius_y;

    ellipse.setPoint(i,sf::Vector2f(x,y));
};

ellipse.setPosition(100,100);