/// <summary>
/// 如果没有相切的错误，就返回true，否则返回false
/// </summary>
/// <returns></returns>
public bool CheckSeperate()
{
var dir = (FarPoint.Position - NearPoint.Position).normalized;
var hit = Physics2D.Raycast(NearPoint.Position, dir, (FarPoint.Position - NearPoint.Position).magnitude,
LayerManager.LayerMask.SilkJoint);
if (hit)
{
SilkDebug.DrawCross(hit.point, 0.3f, Color.red);
var curLine = new Vector4(NearPoint.Position.x, NearPoint.Position.y, FarPoint.Position.x, FarPoint.Position.y);
SilkDebug.DrawLine(LastLine, Color.green);
SilkDebug.DrawLine(curLine, Color.black);
LineCollisionHit lineHit;
var bl = LineCollision.TryGetLineCollisionPoint(LastLine, curLine, out lineHit, LayerManager.LayerMask.SilkJoint,
PhysicsConfig.SurfaceLayerThickness);
var tmpDrawer = lineHit.Collider.GetComponent <TmpDrawCircleCollider2D>();
if (tmpDrawer != null)
{
tmpDrawer.DrawArc(lineHit.Point);
Debug.LogFormat("line to circle distance:{0} @{1}",
Vector2.Distance(lineHit.Point, tmpDrawer.transform.position.ToVector2()) -
tmpDrawer.GetComponent <CircleCollider2D>().radius, Time.frameCount);
}
SilkDebug.DrawCross(lineHit.Point, 0.4f, Color.black);
if (bl)
{
var jointItem = lineHit.Collider.gameObject.layer == LayerManager.Layer.Ground
? null
: lineHit.Collider.GetComponent <Rigidbody2D>();
MySilk.SeperateSegment(IndexOnSilk, lineHit.Point, jointItem);
}
else
{
Debug.LogWarningFormat("Tangency Error[{0}]", IndexOnSilk);
return(false);
}
}
return(true);
}
// Start is called before the first frame update
void Start()
{
lineCollision = GetComponent <LineCollision>();
lineRenderer = GetComponent <LineRenderer>();
}
