Package com.csse3200.game.components

Class CameraComponent

java.lang.Object

com.csse3200.game.components.Component

com.csse3200.game.components.CameraComponent

All Implemented Interfaces:

com.badlogic.gdx.utils.Json.Serializable

public class CameraComponent
extends Component

A component that manages a camera for rendering.

Field Summary

Fields inherited from class com.csse3200.game.components.Component

enabled, entity

Constructor Summary

Constructors

Constructor	Description
CameraComponent()	Creates a new CameraComponent with a default OrthographicCamera.
CameraComponent(com.badlogic.gdx.graphics.Camera camera)	Creates a new CameraComponent with a specified camera.

Method Summary

Modifier and Type	Method	Description
boolean	entityOnScreen(Entity entity)	Determines if the given entity is on the screen
com.badlogic.gdx.graphics.Camera	getCamera()
com.badlogic.gdx.math.Matrix4	getProjectionMatrix()
Entity	getTrackEntity()	Gets the entity currently tracked by the camera.
void	resize(int screenWidth, int screenHeight, float gameWidth)
com.badlogic.gdx.math.Vector2	screenPositionToWorldPosition(com.badlogic.gdx.math.Vector2 screenPosition)	Converts screen position vector to world position vector
void	setTrackEntity(Entity trackEntity)	Sets the entity to track by the camera.
void	update()	Updates the camera's position based on the tracked entity's position.

Methods inherited from class com.csse3200.game.components.Component

create, dispose, earlyUpdate, getEntity, read, setEnabled, setEntity, toString, triggerEarlyUpdate, triggerUpdate, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

CameraComponent

public CameraComponent()

Creates a new CameraComponent with a default OrthographicCamera.

CameraComponent

public CameraComponent(com.badlogic.gdx.graphics.Camera camera)

Creates a new CameraComponent with a specified camera.

Parameters:

camera - The camera to use for rendering.

Method Details

update

public void update()

Updates the camera's position based on the tracked entity's position.

Overrides:

update in class Component

getProjectionMatrix

public com.badlogic.gdx.math.Matrix4 getProjectionMatrix()

getCamera

public com.badlogic.gdx.graphics.Camera getCamera()

getTrackEntity

public Entity getTrackEntity()

Gets the entity currently tracked by the camera.

Returns:

The tracked entity.

setTrackEntity

public void setTrackEntity(Entity trackEntity)

Sets the entity to track by the camera.

Parameters:

trackEntity - The entity to track.

resize

public void resize(int screenWidth,
 int screenHeight,
 float gameWidth)

screenPositionToWorldPosition

public com.badlogic.gdx.math.Vector2 screenPositionToWorldPosition(com.badlogic.gdx.math.Vector2 screenPosition)

Converts screen position vector to world position vector

Parameters:

screenPosition - Vector2 object with x, y screen position.

Returns:

vector of real world position

entityOnScreen

public boolean entityOnScreen(Entity entity)

Determines if the given entity is on the screen

Parameters:

entity - : entity to be checked

Returns:

true if on screen else false