| public static IntersectRaySphere ( System.Vector3 p, System.Vector3 d, BoundingSphere s, float &t, System.Vector3 &q ) : bool | ||
| p | System.Vector3 | |
| d | System.Vector3 | |
| s | BoundingSphere | |
| t | float | |
| q | System.Vector3 | |
| return | bool | |
public static bool IntersectRaySphere(Vector3 p, Vector3 d, BoundingSphere s, ref float t, ref Vector3 q)
{
var vector = p - s.Center;
var num = Vector3.Dot(vector, d);
var num2 = Vector3.Dot(vector, vector) - (s.Radius * s.Radius);
if ((num2 > 0f) && (num > 0f))
{
return false;
}
var num3 = (num * num) - num2;
if (num3 < 0f)
{
return false;
}
t = -num - ((float)Math.Sqrt(num3));
if (t < 0f)
{
t = 0f;
}
q = p + (t * d);
return true;
}
