rotate.js Example File | Qt Script

- Qt 5.4
- Qt Script
- Context2D Example
- rotate.js Example File
- Qt 5.4.2 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();
      }