rotate.js Example File | Qt Script

Qt 5.9 | Qt Script | Context2D Example | rotate.js Example File

Qt 5.9.2 Reference Documentation

# rotate.js Example File

script/context2d/scripts/rotate.js

      var ctx = document.getElementById('tutorial').getContext('2d');
        ctx.translate(75,75);

        for (i=1;i<6;i++){ // Loop through rings (from inside to out)
          ctx.save();
          ctx.fillStyle = 'rgb('+(51*i)+','+(255-51*i)+',255)';

          for (j=0;j<i*6;j++){ // draw individual dots
            ctx.rotate(Math.PI*2/(i*6));
            ctx.beginPath();
            ctx.arc(0,i*12.5,5,0,Math.PI*2,true);
            ctx.fill();
          }

          ctx.restore();
        }