public static void fillStripe2D(Vector2 position, float r1, float r2, int stepsCount)
{
List <Vector3> steps = new List <Vector3>();
List <Vector3> steps2 = new List <Vector3>();
for (float angle = 0; angle < Math.PI * 2; angle += (float)Math.PI * 2 / stepsCount)
{
steps.Add((position + new Vector2(MyMath.cos(angle), MyMath.sin(angle)) * r1).withZ(0.5f));
steps2.Add((position + new Vector2(MyMath.cos(angle), MyMath.sin(angle)) * r2).withZ(0.5f));
}
steps.Add(steps[0]);
steps2.Add(steps2[0]);
drawStrip(steps, steps2);
}
public static void fillArcStripe2D(Vector2 position, float r1, float r2, int stepsCount, float from, float to)
{
List <Vector3> steps = new List <Vector3>();
List <Vector3> steps2 = new List <Vector3>();
float stepSize = (to - from) / stepsCount;
for (float angle = from; angle < to; angle += stepSize)
{
steps.Add((position + new Vector2(MyMath.cos(angle), MyMath.sin(angle)) * r1).withZ(0.5f));
steps2.Add((position + new Vector2(MyMath.cos(angle), MyMath.sin(angle)) * r2).withZ(0.5f));
}
steps.Add((position + new Vector2(MyMath.cos(to), MyMath.sin(to)) * r1).withZ(0.5f));
steps2.Add((position + new Vector2(MyMath.cos(to), MyMath.sin(to)) * r2).withZ(0.5f));
drawStrip(steps, steps2);
}
public static void fillCircle2D(Vector2 position, float r)
{
Vector3 center = Camera.current.ScreenToWorldPoint(position.withZ(0.5f));
Vector3 normal = Camera.current.transform.rotation.rotate(new Vector3(0, 0, 1));
List <Vector3> steps = new List <Vector3>();
for (float angle = 0; angle < Math.PI * 2; angle += (float)Math.PI / 5f)
{
Vector2 newPos = position + new Vector2(MyMath.cos(angle), MyMath.sin(angle)) * r;
Vector3 sec = Camera.current.ScreenToWorldPoint(newPos.withZ(0.5f));
steps.Add(sec);
}
GeoData gd = new GeoData();
for (int i = 0; i < steps.Count; i++)
{
Vector3 m1 = steps[i];
Vector3 m2 = steps[(i + 1) % steps.Count];
gd.addTriangle(center, m2, m1, normal);
}
Gizmos.DrawMesh(gd.getMesh());
}