m3g08
Class MaterialsSample

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

All Implemented Interfaces:

Sample

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

Demonstrates how different materials change the look of a mesh.

Author:

Claus Hoefele

Field Summary

private static int	AMBIENT Material color for ambient reflection.
private javax.microedition.m3g.Light	ambientLight Ambient light for the scene.
private static int	COLOR_ALL Color target full.
private static int	COLOR_AMBIENT Color target diffuse.
private static int	COLOR_DIFFUSE Color target specular.
private static int	COLOR_EMISSIVE Color target ambient.
private static int	COLOR_SPECULAR Color target emissive.
private int	colorTarget Current color target.
private static int	DIFFUSE Material color for diffuse reflection.
private static int	EMISSIVE Material color for emission.
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 boolean	isVertexTrackingEnabled Flag whether vertex tracking is enabled.
private javax.microedition.m3g.Light	light First light for the scene.
private float	lightRotY Current rotation value.
private javax.microedition.m3g.Transform	lightTransform The first light's transformation.
private javax.microedition.m3g.Material	material Current material.
private javax.microedition.m3g.Mesh	mesh The mesh for display.
private javax.microedition.m3g.Transform	meshTransform The mesh's transformation.
private static int	NUMBER_OF_COLOR_TARGETS Number of color targets.
private static float	SHININESS Shininess constant for specular reflection.
private static int	SPECULAR Material color for specular reflection.

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

MaterialsSample()
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.Light light, javax.microedition.m3g.Light ambientLight, javax.microedition.m3g.Transform lightTransform, float lightRotY) Transforms the light and adds it to the Graphics3D context.
private void	setMaterial(javax.microedition.m3g.Mesh mesh, javax.microedition.m3g.Material material, int colorTarget) Sets the mesh's material.

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

The mesh for display.

meshTransform

private javax.microedition.m3g.Transform meshTransform

The mesh's transformation.

light

private javax.microedition.m3g.Light light

First light for the scene.

lightTransform

private javax.microedition.m3g.Transform lightTransform

The first light's transformation.

ambientLight

private javax.microedition.m3g.Light ambientLight

Ambient light for the scene.

lightRotY

private float lightRotY

Current rotation value.

material

private javax.microedition.m3g.Material material

Current material.

AMBIENT

private static final int AMBIENT

Material color for ambient reflection.

See Also:

Constant Field Values

DIFFUSE

private static final int DIFFUSE

Material color for diffuse reflection.

See Also:

Constant Field Values

SPECULAR

private static final int SPECULAR

Material color for specular reflection.

See Also:

Constant Field Values

EMISSIVE

private static final int EMISSIVE

Material color for emission.

See Also:

Constant Field Values

SHININESS

private static final float SHININESS

Shininess constant for specular reflection.

See Also:

Constant Field Values

COLOR_ALL

private static final int COLOR_ALL

Color target full.

See Also:

Constant Field Values

COLOR_EMISSIVE

private static final int COLOR_EMISSIVE

Color target ambient.

See Also:

Constant Field Values

COLOR_AMBIENT

private static final int COLOR_AMBIENT

Color target diffuse.

See Also:

Constant Field Values

COLOR_SPECULAR

private static final int COLOR_SPECULAR

Color target emissive.

See Also:

Constant Field Values

COLOR_DIFFUSE

private static final int COLOR_DIFFUSE

Color target specular.

See Also:

Constant Field Values

NUMBER_OF_COLOR_TARGETS

private static final int NUMBER_OF_COLOR_TARGETS

Number of color targets.

See Also:

Constant Field Values

colorTarget

private int colorTarget

Current color target.

isVertexTrackingEnabled

private boolean isVertexTrackingEnabled

Flag whether vertex tracking is enabled.

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

MaterialsSample

public MaterialsSample()

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

setMaterial

private void setMaterial(javax.microedition.m3g.Mesh mesh,
                         javax.microedition.m3g.Material material,
                         int colorTarget)

Sets the mesh's material.

Parameters:

mesh - mesh.

material - Material object.

colorTarget - color target that will be enabled in the mesh.

setLight

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

Transforms the light and adds it to the Graphics3D context.

Parameters:

light - light one.

ambientLight - light two.

lightTransform - transform object for light one.

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.