List <Vector2> DrawLine(Vector2 _start, Vector2 _end, float _thickness, bool reverseDrawOrder = false)
{
List <Vector2> _points = new List <Vector2>();
Vector2 direction = (_end - _start).normalized;
direction = ShapesMath.Rotate90CW(direction);
_points.Add(_start + (direction * _thickness));
_points.Add(_end + (direction * _thickness));
if (reverseDrawOrder)
{
_points.Reverse();
}
return(_points);
}
// Draws a circle/arc
List <Vector2> GetCircle(float _radius, float _angRadStart, float _angRadEnd, bool flip = false, bool reverseDrawOrder = false)
{
List <Vector2> points = new List <Vector2>();
// Account for negative from thiccness
if (_radius < 0)
{
_radius = 0;
}
float angle = -_angRadStart;
float arcLength = Mathf.Clamp(Mathf.Abs(_angRadEnd - _angRadStart), 0, 2 * Mathf.PI);
int direction = (int)Mathf.Sign(_angRadEnd - _angRadStart) * (flip == true?-1:1);
int stepCount;
if (flexible)
{
stepCount = Mathf.Max(Mathf.FloorToInt((arcLength / qualityLevel) * (flexWithRadius == true && _radius > 1?_radius:1)), 2);
}
else
{
stepCount = fixedCount;
}
for (int i = 0; i <= stepCount; i++)
{
float x = Mathf.Sin(angle) * _radius;
float y = Mathf.Cos(angle) * _radius;
Vector2 point = new Vector2(x, y);
//Rotate so 0 rad = right
point = ShapesMath.Rotate90CW(point);
points.Add(point);
// Add angle step evenly spaced for length in arc
angle += (arcLength / stepCount) * -direction;
}
// Reverse draw order for connecting inner/outer rings
if (reverseDrawOrder)
{
points.Reverse();
}
return(points);
}