protected void DrawCircle(ref Circle2 circle)
{
int count = 40;
float delta = 2f * Mathf.PI / count;
Vector3 prev = circle.Eval(0);
for (int i = 1; i <= count; ++i)
{
Vector3 curr = circle.Eval(i * delta);
Gizmos.DrawLine(prev, curr);
prev = curr;
}
}
protected void DrawCircle(Vector2 center, float radius)
{
Circle2 circle = new Circle2(ref center, radius);
int count = 40;
float delta = 2f * Mathf.PI / count;
Vector3 prev = circle.Eval(0);
for (int i = 1; i <= count; ++i)
{
Vector3 curr = circle.Eval(i * delta);
Gizmos.DrawLine(prev, curr);
prev = curr;
}
}
public static VectorLine Draw3D(this Circle2 self, float y, Color color, float time = 0)
{
Vector3[] v3Point = new Vector3[CIRCLE_POINTS];
float unit = Mathf.PI * 2 / (v3Point.Length - 1);
for (int i = 0; i < v3Point.Length - 1; ++i)
{
var point = self.Eval(i * unit);
v3Point[i] = new Vector3(point.x, y, point.y);
}
v3Point[v3Point.Length - 1] = v3Point[0];
var ret = time == 0 ? VectorLine.SetLine3D(color, v3Point) : VectorLine.SetLine3D(color, time, v3Point);
ret.name = "CircleLine";
return(ret);
}
public static Vector3[] CalcSectorPoints3D(this Circle2 self, float y, float from, float to, int amountOfPoints)
{
Vector3[] v3Point = new Vector3[amountOfPoints];
float unit = Mathf.Abs(from - to) / (v3Point.Length - 3);
float PI2 = Mathf.PI * 2;
for (int i = 0; i < v3Point.Length - 2; ++i)
{
var f = i * unit + from;
if (f < 0)
{
f += PI2;
}
if (f > PI2)
{
f -= PI2;
}
var point = self.Eval(f);
v3Point[i] = new Vector3(point.x, y, point.y);
}
v3Point[v3Point.Length - 2] = new Vector3(self.Center.x, y, self.Center.y);
v3Point[v3Point.Length - 1] = v3Point[0];
return(v3Point);
}