private void OnDrawGizmos()
{
var pos = point.position;
var line0 = new LineSegment()
{
start = line0_start.position, end = line0_end.position
};
var line1 = new LineSegment()
{
start = line1_start.position, end = line1_end.position
};
// line0
Gizmos.color = Color.red;
Gizmos.DrawLine(line0.start, line0.end);
// line1
Gizmos.color = Color.blue;
Gizmos.DrawLine(line1.start, line1.end);
// intersection line0,line1
var intersection = LineSegment.CalcIntersection(line0, line1);
if (intersection != null)
{
Gizmos.color = Color.yellow;
Gizmos.DrawWireSphere(intersection.Value, 0.3f);
}
// closet point
Gizmos.color = Color.gray;
var cpos0 = line0.ClosestPoint(pos);
var cpos1 = line1.ClosestPoint(pos);
Gizmos.DrawLine(cpos0, pos);
Gizmos.DrawLine(cpos1, pos);
// normal from pos
Gizmos.color = Color.green;
var normal0 = line0.CalcNormal(pos);
var normal1 = line1.CalcNormal(pos);
Gizmos.DrawRay(pos, -normal0);
Gizmos.DrawRay(pos, -normal1);
#if UNITY_EDITOR
var dist0 = line0.Distance(pos);
var dist1 = line1.Distance(pos);
UnityEditor.Handles.Label(pos, $"Distance: {dist0},{dist1}");
var left0 = line0.IsLeft(pos);
var left1 = line1.IsLeft(pos);
UnityEditor.Handles.Label(pos - Vector3.up * 0.2f, $"IsLeft: {left0},{left1}");
#endif
}