Intersects() [4/7]

float? Microsoft.Xna.Framework.Ray.Intersects ( Plane plane )

inline

Definition at line 78 of file Ray.cs.

    {
        float num = plane.Normal.X * Direction.X + plane.Normal.Y * Direction.Y + plane.Normal.Z * Direction.Z;
        if (Math.Abs(num) < 1E-05f)
        {
            return null;
        }
        float num2 = plane.Normal.X * Position.X + plane.Normal.Y * Position.Y + plane.Normal.Z * Position.Z;
        float num3 = (0f - plane.D - num2) / num;
        if (num3 < 0f)
        {
            if (num3 < -1E-05f)
            {
                return null;
            }
            num3 = 0f;
        }
        return num3;
    }

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