/// <summary>
/// 簡易的なプレビューをGizmos上に描画する
/// </summary>
/// <param name="s"></param>
public static void DrawSimplePreviewOnGizmos(RefStructure s)
{
for (var i = 0; i < s._particles.Count; ++i)
{
var t = s._particles[i];
Gizmos.DrawWireSphere(t.position, t.size);
}
for (var i = 0; i < s._edges.Count; ++i)
{
}
}
/// <summary>
/// 指定した座標にヒットした最も近いパーティクルを返す
/// </summary>
/// <param name="s"></param>
/// <param name="position"></param>
/// <returns></returns>
public static RefParticle HitParticle(RefStructure s, Vector2 position)
{
float _minDist = float.MaxValue;
RefParticle nearestHitten = null;
for (var i = 0; i < s._particles.Count; ++i)
{
var t = s._particles[i];
var dist = (t.position - position).magnitude;
if (_minDist > dist && dist <= t.size)
{
_minDist = dist;
nearestHitten = t;
}
}
return(nearestHitten);
}
/// <summary>
/// 指定した座標にヒットした最も近いエッジを返す
/// </summary>
/// <param name="s"></param>
/// <param name="position"></param>
/// <returns></returns>
public static RefEdge HitEdge(RefStructure s, Vector2 position)
{
float _minDist = float.MaxValue;
RefEdge nearestHitten = null;
for (var i = 0; i < s._edges.Count; ++i)
{
var t = s._edges[i];
var a = s.FindParticleFromUID(t.aUID);
var b = s.FindParticleFromUID(t.bUID);
var dist = Utilities.CalcMinDist2(position, a.position, b.position);
if (_minDist > dist && dist <= t.width)
{
_minDist = dist;
nearestHitten = t;
}
}
return(nearestHitten);
}