org.xith3d.utility.camera
Class BasicPlaceableVerticalFocuser

java.lang.Object
  org.xith3d.utility.camera.BasicPlaceableVerticalFocuser

All Implemented Interfaces:

Updatable

Direct Known Subclasses:

SmoothPlaceableVerticalFocuser

public class BasicPlaceableVerticalFocuser
extends java.lang.Object
implements Updatable

A Camera which follows a Placeable object, so that it is always at the center of the screen. The height of the camera is adjustable, up vector is always +Y.

Field Summary

protected org.openmali.vecmath2.Vector3f

move

Constructor Summary

BasicPlaceableVerticalFocuser(View view, Placeable placeable, float height, Updater updater)
Creates a new BasicPlaceableVerticalFocuser.

Method Summary

protected org.openmali.vecmath2.Tuple3f	getFocusPoint() Returns the focus point.
float	getHeight() Returns the height.
protected void	lookAt(org.openmali.vecmath2.Tuple3f pos) Makes the camera look at the given position.
void	setHeight(float height) Sets the new height.
void	update(long gameTime, long frameTime, UpdatingThread.TimingMode timingMode) Updates this Updatable object.

Methods inherited from class java.lang.Object

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

Field Detail

move

protected org.openmali.vecmath2.Vector3f move

Constructor Detail

BasicPlaceableVerticalFocuser

public BasicPlaceableVerticalFocuser(View view,
                                     Placeable placeable,
                                     float height,
                                     Updater updater)

Creates a new BasicPlaceableVerticalFocuser.

Parameters:

view - the view on which to act

placeable - the placeable to focus on

height - the initial height of the Camera

updater - an Updater on which to register

Method Detail

setHeight

public void setHeight(float height)

Sets the new height.

Parameters:

height - the new height to set

getHeight

public final float getHeight()

Returns the height.

Returns:

the height

getFocusPoint

protected org.openmali.vecmath2.Tuple3f getFocusPoint()

Returns the focus point.

Returns:

the focus point

lookAt

protected void lookAt(org.openmali.vecmath2.Tuple3f pos)

Makes the camera look at the given position.

Parameters:

pos - the position to look at.

update

public void update(long gameTime,
                   long frameTime,
                   UpdatingThread.TimingMode timingMode)

Updates this Updatable object.

Specified by:

update in interface Updatable

Parameters:

gameTime - the gameTime in Milliseconds

frameTime - the frameTime in Milliseconds (needed time for the last frame)

timingMode - the TimingMode to use for frameTime.