通过

Matrix.CreatePerspective Method (Single, Single, Single, Single, Matrix)

  • 项目

Builds a perspective projection matrix.

Namespace: Microsoft.Xna.Framework
Assembly: Microsoft.Xna.Framework (in microsoft.xna.framework.dll)

Syntax

public static void CreatePerspective (
         float width,
         float height,
         float nearPlaneDistance,
         float farPlaneDistance,
         out Matrix result
)

Parameters

  • width
    Width of the view volume at the near view plane.
  • height
    Height of the view volume at the near view plane.
  • nearPlaneDistance
    Distance to the near view plane.
  • farPlaneDistance
    Distance to the far view plane.
  • result
    [OutAttribute] The projection matrix.

Exceptions

Exception type Condition
ArgumentOutOfRangeException

One of the following conditions is true:

  • nearPlaneDistance or farPlaneDistance is a negative value. Specify a positive value for nearPlaneDistance or farPlaneDistance.
  • nearPlaneDistance larger than farPlaneDistance. nearPlaneDistance must be smaller than farPlaneDistance.

Remarks

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.

See Also

Tasks

How to: Rotate and Move a Camera
How to: Make a First-Person Camera
How to: Make a Third-Person Camera

Reference

Matrix Structure
Matrix Members
Microsoft.Xna.Framework Namespace

Platforms

Xbox 360, Windows XP SP2, Windows Vista