Mindshifter.LookAtCamera Class Reference

LookAtCamera is a basic camera that defines a view centered at an arbitrary eye point looking toward an arbitrary target point. More...

Inherits Mindshifter.ICamera.

Inheritance diagram for Mindshifter.LookAtCamera:

[legend]Collaboration diagram for Mindshifter.LookAtCamera:

[legend]List of all members.


Public Member Functions
	LookAtCamera ()
	Creates a new instance of LookAtCamera with an eye position of (0,0,0) looking down the negative Z axis using a perspective projection with a 45 degree field of view, 4/3 aspect ratio, near plane distance of 1 and far plane distance of 1000.
	LookAtCamera (Vector3 eye, Vector3 lookAt)
	Creates a new instance of LookAtCamera with the specified eye position and look at position using a perspective projection with a 45 degree field of view, 4/3 aspect ratio, near plane distance of 1 and far plane distance of 1000.
	LookAtCamera (Vector3 eye, Vector3 lookAt, float fov, float aspect, float near, float far)
	Creates a new instance of LookAtCamera with the specified eye position and look at position using a perspective projection with the specified projection parameters.
	LookAtCamera (Vector3 eye, Vector3 lookAt, Rectangle rect, float near, float far)
	Creates a new instance of LookAtCamera with the specified eye position and look at position using an orthographic projection with the specified projection parameters.
void	Update (float elapsedSeconds)
	Performs any required updates to the camera's values based on the specified elapsed time.
Ray	GetPickRay (Vector2 position, Viewport viewport)
	Returns a world space ray cast from the specified screen projected position.
Properties
Matrix	ViewMatrix `[get]`
	Gets the camera's view matrix.
Matrix	ProjectionMatrix `[get]`
	Gets the camera's projection matrix.
Projection	Projection `[get]`
	Gets the camera's projection.
BoundingFrustum	Frustum `[get]`
	Gets the camera's bounding frustum.
Vector3	Position `[get, set]`
	Gets or sets the camera's eye position.
Vector3	LookAtPosition `[get, set]`
	Gets or sets the camera's look at position.
Private Member Functions
void	BuildMatrix ()
	Builds the camera's view matrix based on its eye point and look at point using the unit Y vector as the up direction.
Private Attributes
Matrix	mViewMatrix
Projection	mProjection
Vector3	mEyePosition
Vector3	mLookAtPosition
bool	mRequiresUpdate

Detailed Description

LookAtCamera is a basic camera that defines a view centered at an arbitrary eye point looking toward an arbitrary target point.

Definition at line 11 of file LookAtCamera.cs.

Constructor & Destructor Documentation

Mindshifter.LookAtCamera.LookAtCamera ( )

Creates a new instance of LookAtCamera with an eye position of (0,0,0) looking down the negative Z axis using a perspective projection with a 45 degree field of view, 4/3 aspect ratio, near plane distance of 1 and far plane distance of 1000.

Definition at line 90 of file LookAtCamera.cs.

Mindshifter.LookAtCamera.LookAtCamera	(	Vector3	eye,
		Vector3	lookAt
	)

Creates a new instance of LookAtCamera with the specified eye position and look at position using a perspective projection with a 45 degree field of view, 4/3 aspect ratio, near plane distance of 1 and far plane distance of 1000.

Parameters:

	eye	The position of the camera
	lookAt	The position toward which the camera is pointing

Definition at line 103 of file LookAtCamera.cs.

References Mindshifter.LookAtCamera.mEyePosition, and Mindshifter.LookAtCamera.mLookAtPosition.

Mindshifter.LookAtCamera.LookAtCamera	(	Vector3	eye,
		Vector3	lookAt,
		float	fov,
		float	aspect,
		float	near,
		float	far
	)

Creates a new instance of LookAtCamera with the specified eye position and look at position using a perspective projection with the specified projection parameters.

Parameters:

	eye	The position of the camera
	lookAt	The position toward which the camera is pointing
	fov	The field of view of the camera's perspective projection
	aspect	The aspect ratio of the camera's perspective projection
	near	The near frustum plane distance of the camera's projection
	far	The far frustum plane distance of the camera's projection

Definition at line 120 of file LookAtCamera.cs.

References Mindshifter.LookAtCamera.mEyePosition, Mindshifter.LookAtCamera.mLookAtPosition, Mindshifter.LookAtCamera.mProjection, Mindshifter.LookAtCamera.mRequiresUpdate, and Mindshifter.LookAtCamera.Projection.

Mindshifter.LookAtCamera.LookAtCamera	(	Vector3	eye,
		Vector3	lookAt,
		Rectangle	rect,
		float	near,
		float	far
	)

Creates a new instance of LookAtCamera with the specified eye position and look at position using an orthographic projection with the specified projection parameters.

Parameters:

	eye	The position of the camera
	lookAt	The position toward which the camera is pointing
	rect	The orthographic projection rectangle of the camera's projection
	near	The near frustum plane distance of the camera's projection
	far	The far frustum plane distance of the camera's projection