CreatePerspectiveFieldOfView() [1/2]

static Matrix Microsoft.Xna.Framework.Matrix.CreatePerspectiveFieldOfView ( float fieldOfView, float aspectRatio, float nearPlaneDistance, float farPlaneDistance )

inlinestatic

Definition at line 856 of file Matrix.cs.

    {
        if (fieldOfView <= 0f || fieldOfView >= (float)Math.PI)
        {
            throw new ArgumentOutOfRangeException("fieldOfView", string.Format(CultureInfo.CurrentCulture, FrameworkResources.OutRangeFieldOfView, new object[1] { "fieldOfView" }));
        }
        if (nearPlaneDistance <= 0f)
        {
            throw new ArgumentOutOfRangeException("nearPlaneDistance", string.Format(CultureInfo.CurrentCulture, FrameworkResources.NegativePlaneDistance, new object[1] { "nearPlaneDistance" }));
        }
        if (farPlaneDistance <= 0f)
        {
            throw new ArgumentOutOfRangeException("farPlaneDistance", string.Format(CultureInfo.CurrentCulture, FrameworkResources.NegativePlaneDistance, new object[1] { "farPlaneDistance" }));
        }
        if (nearPlaneDistance >= farPlaneDistance)
        {
            throw new ArgumentOutOfRangeException("nearPlaneDistance", FrameworkResources.OppositePlanes);
        }
        float num = 1f / (float)Math.Tan(fieldOfView * 0.5f);
        float m = num / aspectRatio;
        Matrix result = default(Matrix);
        result.M11 = m;
        result.M12 = (result.M13 = (result.M14 = 0f));
        result.M22 = num;
        result.M21 = (result.M23 = (result.M24 = 0f));
        result.M31 = (result.M32 = 0f);
        result.M33 = farPlaneDistance / (nearPlaneDistance - farPlaneDistance);
        result.M34 = -1f;
        result.M41 = (result.M42 = (result.M44 = 0f));
        result.M43 = nearPlaneDistance * farPlaneDistance / (nearPlaneDistance - farPlaneDistance);
        return result;
    }

References System.Globalization.CultureInfo.CurrentCulture, System.Globalization.Format, Microsoft.Xna.Framework.FrameworkResources.NegativePlaneDistance, Microsoft.Xna.Framework.FrameworkResources.OppositePlanes, Microsoft.Xna.Framework.FrameworkResources.OutRangeFieldOfView, System.Math.PI, and System.Math.Tan().