com.badlogic.gdx.graphics

Class OrthographicCamera

java.lang.Object

com.badlogic.gdx.graphics.Camera

com.badlogic.gdx.graphics.OrthographicCamera

public class OrthographicCamera
extends Camera

A camera with orthographic projection.

Author:

mzechner

Field Summary

Fields

Modifier and Type	Field and Description
float	zoom the zoom of the camera

Fields inherited from class com.badlogic.gdx.graphics.Camera

combined, direction, far, frustum, invProjectionView, near, position, projection, up, view, viewportHeight, viewportWidth

Constructor Summary

Constructors

Constructor and Description
OrthographicCamera()
OrthographicCamera(float viewportWidth, float viewportHeight) Constructs a new OrthographicCamera, using the given viewport width and height.

Method Summary

Methods

Modifier and Type	Method and Description
void	rotate(float angle) Rotates the camera by the given angle around the direction vector.
void	setToOrtho(boolean yDown) Sets this camera to an orthographic projection using a viewport fitting the screen resolution, centered at (Gdx.graphics.getWidth()/2, Gdx.graphics.getHeight()/2), with the y-axis pointing up or down.
void	setToOrtho(boolean yDown, float viewportWidth, float viewportHeight) Sets this camera to an orthographic projection, centered at (viewportWidth/2, viewportHeight/2), with the y-axis pointing up or down.
void	translate(float x, float y) Moves the camera by the given amount on each axis.
void	translate(Vector2 vec) Moves the camera by the given vector.
void	update() Recalculates the projection and view matrix of this camera and the Frustum planes.
void	update(boolean updateFrustum) Recalculates the projection and view matrix of this camera and the Frustum planes if updateFrustum is true.

Methods inherited from class com.badlogic.gdx.graphics.Camera

getPickRay, getPickRay, lookAt, lookAt, normalizeUp, project, project, rotate, rotate, rotate, rotate, rotateAround, transform, translate, translate, unproject, unproject

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

zoom

public float zoom

the zoom of the camera

Constructor Detail

OrthographicCamera

public OrthographicCamera()

OrthographicCamera

public OrthographicCamera(float viewportWidth,
                  float viewportHeight)

Constructs a new OrthographicCamera, using the given viewport width and height. For pixel perfect 2D rendering just supply the screen size, for other unit scales (e.g. meters for box2d) proceed accordingly. The camera will show the region [-viewportWidth/2, -(viewportHeight/2-1)] - [(viewportWidth/2-1), viewportHeight/2]

Parameters:

viewportWidth - the viewport width

viewportHeight - the viewport height

Method Detail

update

public void update()

Description copied from class: Camera

Recalculates the projection and view matrix of this camera and the Frustum planes. Use this after you've manipulated any of the attributes of the camera.

Specified by:

update in class Camera

update

public void update(boolean updateFrustum)

Description copied from class: Camera

Recalculates the projection and view matrix of this camera and the Frustum planes if updateFrustum is true. Use this after you've manipulated any of the attributes of the camera.

Specified by:

update in class Camera

setToOrtho

public void setToOrtho(boolean yDown)

Sets this camera to an orthographic projection using a viewport fitting the screen resolution, centered at (Gdx.graphics.getWidth()/2, Gdx.graphics.getHeight()/2), with the y-axis pointing up or down.

Parameters:

yDown - whether y should be pointing down

setToOrtho

public void setToOrtho(boolean yDown,
              float viewportWidth,
              float viewportHeight)

Sets this camera to an orthographic projection, centered at (viewportWidth/2, viewportHeight/2), with the y-axis pointing up or down.

Parameters:

yDown - whether y should be pointing down.

viewportWidth -

viewportHeight -

rotate

public void rotate(float angle)

Rotates the camera by the given angle around the direction vector. The direction and up vector will not be orthogonalized.

Parameters:

angle -

translate

public void translate(float x,
             float y)

Moves the camera by the given amount on each axis.

Parameters:

x - the displacement on the x-axis

y - the displacement on the y-axis

translate

public void translate(Vector2 vec)

Moves the camera by the given vector.

Parameters:

vec - the displacement vector