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More robust in-between arc calculation see #1301
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@ -1281,9 +1281,18 @@
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y: chartY
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});
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// Normalize all angles to 0 - 2*PI (0 - 360°)
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var pointRelativeAngle = pointRelativePosition.angle % (Math.PI * 2),
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var startAngle = (Math.PI * 2 + this.startAngle) % (Math.PI * 2),
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var endAngle = (Math.PI * 2 + this.endAngle) % (Math.PI * 2) || 360;
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// Calculate wether the pointRelativeAngle is between the start and the end angle
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var betweenAngles = (endAngle < startAngle) ?
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pointRelativeAngle <= endAngle || pointRelativeAngle >= startAngle:
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pointRelativeAngle >= startAngle && pointRelativeAngle <= endAngle;
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//Check if within the range of the open/close angle
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var betweenAngles = (pointRelativePosition.angle >= this.startAngle && pointRelativePosition.angle <= this.endAngle),
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withinRadius = (pointRelativePosition.distance >= this.innerRadius && pointRelativePosition.distance <= this.outerRadius);
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var withinRadius = (pointRelativePosition.distance >= this.innerRadius && pointRelativePosition.distance <= this.outerRadius);
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return (betweenAngles && withinRadius);
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//Ensure within the outside of the arc centre, but inside arc outer
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