Intersects() [6/7]

void Microsoft.Xna.Framework.Ray.Intersects ( ref BoundingSphere sphere, out float? result )

inline

Definition at line 145 of file Ray.cs.

    {
        float num = sphere.Center.X - Position.X;
        float num2 = sphere.Center.Y - Position.Y;
        float num3 = sphere.Center.Z - Position.Z;
        float num4 = num * num + num2 * num2 + num3 * num3;
        float num5 = sphere.Radius * sphere.Radius;
        if (num4 <= num5)
        {
            result = 0f;
            return;
        }
        result = null;
        float num6 = num * Direction.X + num2 * Direction.Y + num3 * Direction.Z;
        if (!(num6 < 0f))
        {
            float num7 = num4 - num6 * num6;
            if (!(num7 > num5))
            {
                float num8 = (float)Math.Sqrt(num5 - num7);
                result = num6 - num8;
            }
        }
    }

References Microsoft.Xna.Framework.Ray.Direction, System.Math.Sqrt(), and Microsoft.Xna.Framework.Vector3.Z.