viewer
Class GLViewer

java.lang.Object
  viewer.GLViewer

All Implemented Interfaces:

java.util.EventListener, javax.media.opengl.GLEventListener

public class GLViewer
extends java.lang.Object
implements javax.media.opengl.GLEventListener

Displays the actual GL drawings and takes care of all GL needs for the viewer.

Author:

Henry Gross, Ed Williams

Field Summary

Lights

lights

Constructor Summary

GLViewer(Viewer viewer)
create a new instance of GLViewer and set up some basic variables

Method Summary

void	changeBrightness(int i) Change the brightness of the lights
void	display(javax.media.opengl.GLAutoDrawable drawable) draw what we want to draw
void	displayChanged(javax.media.opengl.GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged)
void	draw() redraw the screen
double[]	getCam() returns the camera array
javax.media.opengl.GLCanvas	getCanvas()
javax.media.opengl.GL	getGL() Return the GL object
boolean	getTextureState() return if textures are on
void	init(javax.media.opengl.GLAutoDrawable drawable) initialize all of the GL stuff
void	requestFocus() request that the gl receives focus
void	reshape(javax.media.opengl.GLAutoDrawable drawable, int x, int y, int width, int height)
void	screenshot() take a screenshot have to do this messy hack because of glContexts not being active on threads or some such thing
void	set3D(boolean b) set whether to display in 3D or 2D
void	setCam(double[] cam) Sets the camera array to the the camera array gioven
void	setForceRenderNext(boolean f)
void	setFov(double fov) Set the field of vision to the specified angle
void	setLights(boolean b) turn lights on or off
void	setMap(Model map) set the internal map to the map that we want to view
void	setMapSameGL(Model map)
void	showTextures(boolean b) Set whether or not to display the textures
void	startGL() start all of the GL code this is seperate since we might want to do some setup before we actually do this
void	takeScreenshot() actually take a screenshot
void	updateLights(boolean b) we changed the lights, so update gl with the new lights

Methods inherited from class java.lang.Object

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

Field Detail

lights

public Lights lights

Constructor Detail

GLViewer

public GLViewer(Viewer viewer)

create a new instance of GLViewer and set up some basic variables

Method Detail

setForceRenderNext

public void setForceRenderNext(boolean f)

getCanvas

public javax.media.opengl.GLCanvas getCanvas()

Returns:

GLVanvas the canvas to be added to the frame

setMap

public void setMap(Model map)

set the internal map to the map that we want to view

Parameters:

map - the map that we will be viewing

setMapSameGL

public void setMapSameGL(Model map)

startGL

public void startGL()

start all of the GL code this is seperate since we might want to do some setup before we actually do this

init

public void init(javax.media.opengl.GLAutoDrawable drawable)

initialize all of the GL stuff

Specified by:

init in interface javax.media.opengl.GLEventListener

display

public void display(javax.media.opengl.GLAutoDrawable drawable)

draw what we want to draw

Specified by:

display in interface javax.media.opengl.GLEventListener

displayChanged

public void displayChanged(javax.media.opengl.GLAutoDrawable drawable,
                           boolean modeChanged,
                           boolean deviceChanged)

Specified by:

displayChanged in interface javax.media.opengl.GLEventListener

reshape

public void reshape(javax.media.opengl.GLAutoDrawable drawable,
                    int x,
                    int y,
                    int width,
                    int height)

Specified by:

reshape in interface javax.media.opengl.GLEventListener

getCam

public double[] getCam()

returns the camera array

Returns:

the camera array

setCam

public void setCam(double[] cam)

Sets the camera array to the the camera array gioven

Parameters:

cam - the camera array to set the camera to

setFov

public void setFov(double fov)

Set the field of vision to the specified angle

Parameters:

fov - the fov angle we want

draw

public void draw()

redraw the screen

set3D

public void set3D(boolean b)

set whether to display in 3D or 2D

Parameters:

b - true if to display in 3D

showTextures

public void showTextures(boolean b)

Set whether or not to display the textures

Parameters:

b - true if we wnat to display textures

changeBrightness

public void changeBrightness(int i)

Change the brightness of the lights

Parameters:

i - the intensity of the lights

updateLights

public void updateLights(boolean b)

we changed the lights, so update gl with the new lights

Parameters:

b - true if we changed lights

setLights

public void setLights(boolean b)

turn lights on or off

Parameters:

b - true to turn lights on

getGL

public javax.media.opengl.GL getGL()

Return the GL object

Returns:

the gl object

requestFocus

public void requestFocus()

request that the gl receives focus

takeScreenshot

public void takeScreenshot()

actually take a screenshot

screenshot

public void screenshot()

take a screenshot have to do this messy hack because of glContexts not being active on threads or some such thing

getTextureState

public boolean getTextureState()

return if textures are on

Returns:

true is the textures are being displayed