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using System;
using Microsoft.Xna.Framework;
namespace MonoGame.Extended.Particles.Profiles
{
public class RingProfile : Profile
{
public float Radius { get; set; }
public CircleRadiation Radiate { get; set; }
public override void GetOffsetAndHeading(out Vector2 offset, out Vector2 heading)
{
Random.NextUnitVector(out heading);
switch (Radiate)
{
case CircleRadiation.In:
offset = new Vector2(-heading.X*Radius, -heading.Y*Radius);
break;
case CircleRadiation.Out:
offset = new Vector2(heading.X*Radius, heading.Y*Radius);
break;
case CircleRadiation.None:
offset = new Vector2(heading.X*Radius, heading.Y*Radius);
Random.NextUnitVector(out heading);
break;
default:
throw new ArgumentOutOfRangeException($"{Radiate} is not supported");
}
}
}
}
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