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using Microsoft.Xna.Framework;
namespace MonoGame.Extended.Particles.Profiles
{
public class BoxUniformProfile : Profile
{
public float Width { get; set; }
public float Height { get; set; }
public override void GetOffsetAndHeading(out Vector2 offset, out Vector2 heading)
{
var value = Random.Next((int) (2*Width + 2*Height));
if (value < Width) // Top
offset = new Vector2(Random.NextSingle(Width*-0.5f, Width*0.5f), Height*-0.5f);
else
{
if (value < 2*Width) // Bottom
offset = new Vector2(Random.NextSingle(Width*-0.5f, Width*0.5f), Height*0.5f);
else
{
if (value < 2*Width + Height) // Left
offset = new Vector2(Width*-0.5f, Random.NextSingle(Height*-0.5f, Height*0.5f));
else // Right
offset = new Vector2(Width*0.5f, Random.NextSingle(Height*-0.5f, Height*0.5f));
}
}
Random.NextUnitVector(out heading);
}
}
}
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