Matrix.CreatePerspective Method (Single, Single, Single, Single)
Assembly: Microsoft.Xna.Framework (in microsoft.xna.framework.dll)
public static Matrix CreatePerspective ( float width, float height, float nearPlaneDistance, float farPlaneDistance )
One of the following conditions is true:
Projection space refers to the space after applying projection transformation from view space. After the projection transformation, visible content has x- and y-coordinates ranging from −1 to 1, and a z-coordinate ranging from 0 to 1.
To obtain the viewable area (in world space) of a scene, create a BoundingFrustum and pass the combined view and projection matrix to the constructor.