public void UpdateEdge(int edgeIndex)
{
Vector2 vector = (this._edges[edgeIndex].Point1 = this._vertices[(edgeIndex + 1) % this._vertices.Length]) - (this._edges[edgeIndex].Point0 = this._vertices[edgeIndex]);
this._edges[edgeIndex].Length = Vector2ex.Normalize(ref vector, 1E-05f);
this._edges[edgeIndex].Direction = vector;
this._edges[edgeIndex].Normal = vector.Perp();
}
public void UpdateEdges()
{
int num = this._vertices.Length;
int num2 = num - 1;
for (int i = 0; i < num; i++)
{
Vector2 vector = (this._edges[num2].Point1 = this._vertices[i]) - (this._edges[num2].Point0 = this._vertices[num2]);
this._edges[num2].Length = Vector2ex.Normalize(ref vector, 1E-05f);
this._edges[num2].Direction = vector;
this._edges[num2].Normal = vector.Perp();
num2 = i;
}
}
public static float AngleRad(this Vector2 vector, Vector2 target)
{
Vector2ex.Normalize(ref vector, 1E-05f);
Vector2ex.Normalize(ref target, 1E-05f);
float num = vector.x * target.x + vector.y * target.y;
if (num > 1f)
{
num = 1f;
}
else if (num < -1f)
{
num = -1f;
}
return(Mathf.Acos(num));
}
