Function yForAngle

test/specs/scale.radialLinear.tests.js:635–642

(y, h, angle)

    const outerDistance = chart.scales.r.getDistanceFromCenterForValue(opts.ticks.reverse ? chart.scales.r.min : chart.scales.r.max);
    const tickBackdropHeight = 0;
    const yForAngle = function(y, h, angle) {
      if (angle === 90 || angle === 270) {
        y -= (h / 2);
      } else if (angle > 270 || angle < 90) {
        y -= h;
      }
      return y;
    };
    const toDegrees = function(radians) {
      return radians * (180 / PI);
    };