m3g08
Class LightingSample

java.lang.Object
  javax.microedition.lcdui.Displayable
      javax.microedition.lcdui.Canvas
          javax.microedition.lcdui.game.GameCanvas
              m3g08.LightingSample

All Implemented Interfaces:

Sample

public class LightingSample
extends javax.microedition.lcdui.game.GameCanvas
implements Sample

A sphere lit with different light sources.

Author:

Claus Hoefele

Field Summary

private javax.microedition.lcdui.Graphics	graphics 2D graphics singleton used for rendering.
private javax.microedition.m3g.Graphics3D	graphics3d 3D graphics singleton used for rendering.
private javax.microedition.m3g.Light	light Light for the scene.
private static int	LIGHT_AMBIENT Light mode ambient.
private static int	LIGHT_DIRECTIONAL Light mode directional.
private static int	LIGHT_OMNI Light mode omni.
private static int	LIGHT_SPOT Light mode spot.
private int	lightMode Current light mode.
private float	lightRotY Current rotation value.
private javax.microedition.m3g.Transform	lightTransform The light's transformation.
private javax.microedition.m3g.Mesh	mesh Mesh for display.
private javax.microedition.m3g.Transform	meshTransform The mesh's transformation.
private static int	NUMBER_OF_LIGHTS Number of light sources.

Fields inherited from class javax.microedition.lcdui.game.GameCanvas

DOWN_PRESSED, FIRE_PRESSED, GAME_A_PRESSED, GAME_B_PRESSED, GAME_C_PRESSED, GAME_D_PRESSED, LEFT_PRESSED, RIGHT_PRESSED, UP_PRESSED

Fields inherited from class javax.microedition.lcdui.Canvas

DOWN, FIRE, GAME_A, GAME_B, GAME_C, GAME_D, KEY_NUM0, KEY_NUM1, KEY_NUM2, KEY_NUM3, KEY_NUM4, KEY_NUM5, KEY_NUM6, KEY_NUM7, KEY_NUM8, KEY_NUM9, KEY_POUND, KEY_STAR, LEFT, RIGHT, UP

Constructor Summary

LightingSample()
Constructor.

Method Summary

void	destroy() Destroys the sample.
private void	drawMenu(javax.microedition.lcdui.Graphics graphics) Draws a menu for the current key assignments.
void	init() Initializes the sample.
protected void	keyPressed(int keyCode) Handles key presses.
private void	render(javax.microedition.lcdui.Graphics graphics) Renders the sample.
private void	setLight(javax.microedition.m3g.Transform lightTransform, float lightRotY) Transforms the light and adds it to the Graphics3D context.
private void	setLightMode(javax.microedition.m3g.Light light, int mode) Sets the light mode.

Methods inherited from class javax.microedition.lcdui.game.GameCanvas

flushGraphics, flushGraphics, getGraphics, getKeyStates, paint

Methods inherited from class javax.microedition.lcdui.Canvas

getGameAction, getKeyCode, getKeyName, hasPointerEvents, hasPointerMotionEvents, hasRepeatEvents, hideNotify, isDoubleBuffered, keyReleased, keyRepeated, pointerDragged, pointerPressed, pointerReleased, repaint, repaint, serviceRepaints, setFullScreenMode, showNotify, sizeChanged

Methods inherited from class javax.microedition.lcdui.Displayable

addCommand, getHeight, getTicker, getTitle, getWidth, isShown, removeCommand, setCommandListener, setTicker, setTitle

Methods inherited from class java.lang.Object

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

Field Detail

mesh

private javax.microedition.m3g.Mesh mesh

Mesh for display.

meshTransform

private javax.microedition.m3g.Transform meshTransform

The mesh's transformation.

light

private javax.microedition.m3g.Light light

Light for the scene.

lightTransform

private javax.microedition.m3g.Transform lightTransform

The light's transformation.

lightRotY

private float lightRotY

Current rotation value.

LIGHT_AMBIENT

private static final int LIGHT_AMBIENT

Light mode ambient.

See Also:

Constant Field Values

LIGHT_DIRECTIONAL

private static final int LIGHT_DIRECTIONAL

Light mode directional.

See Also:

Constant Field Values

LIGHT_OMNI

private static final int LIGHT_OMNI

Light mode omni.

See Also:

Constant Field Values

LIGHT_SPOT

private static final int LIGHT_SPOT

Light mode spot.

See Also:

Constant Field Values

NUMBER_OF_LIGHTS

private static final int NUMBER_OF_LIGHTS

Number of light sources.

See Also:

Constant Field Values

lightMode

private int lightMode

Current light mode.

graphics3d

private javax.microedition.m3g.Graphics3D graphics3d

3D graphics singleton used for rendering.

graphics

private javax.microedition.lcdui.Graphics graphics

2D graphics singleton used for rendering.

Constructor Detail

LightingSample

public LightingSample()

Constructor.

Method Detail

init

public void init()

Initializes the sample.

Specified by:

init in interface Sample

destroy

public void destroy()

Destroys the sample.

Specified by:

destroy in interface Sample

setLightMode

private void setLightMode(javax.microedition.m3g.Light light,
                          int mode)

Sets the light mode.

Parameters:

light - light to be modified.

mode - light mode.

setLight

private void setLight(javax.microedition.m3g.Transform lightTransform,
                      float lightRotY)

Transforms the light and adds it to the Graphics3D context.

Parameters:

lightTransform - transform object to modify.

lightRotY - rotation value around the y axis.

render

private void render(javax.microedition.lcdui.Graphics graphics)

Renders the sample.

Parameters:

graphics - graphics context for rendering.

keyPressed

protected void keyPressed(int keyCode)

Handles key presses.

Overrides:

keyPressed in class javax.microedition.lcdui.Canvas

Parameters:

keyCode - key code.

drawMenu

private void drawMenu(javax.microedition.lcdui.Graphics graphics)

Draws a menu for the current key assignments.

Parameters:

graphics - graphics context for drawing.