m3g11
Class AnimationSample

java.lang.Object
  javax.microedition.lcdui.Displayable
      javax.microedition.lcdui.Canvas
          javax.microedition.lcdui.game.GameCanvas
              m3g11.AnimationSample

All Implemented Interfaces:

java.lang.Runnable, Sample

public class AnimationSample
extends javax.microedition.lcdui.game.GameCanvas
implements Sample, java.lang.Runnable

Simple animation with different interpolation modes.

Author:

Claus Hoefele

Field Summary

private javax.microedition.m3g.AnimationController	animationController Controls animation speed.
private int	currentMode Current interpolation mode.
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 static int	INTERPOLATION_LINEAR Linear interpolation of keyframe values.
private static int	INTERPOLATION_SPLINE Spline interpolation of keyframe values.
private static int	INTERPOLATION_STEP Steps through keyframe values.
private boolean	isRunning Flag whether thread is running.
private int	lastKey Stores the last game action key.
private javax.microedition.m3g.Mesh	mesh Mesh for display.
private javax.microedition.m3g.Transform	meshTransform The mesh's transformation.
private static int	NUMBER_OF_INTERPOLATIONS Number of interpolation modes.

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

AnimationSample()
Constructor.

Method Summary

private void	checkKeys(int worldTime) Processes key presses.
private void	createAnimation(javax.microedition.m3g.Mesh mesh, int interpolationMode, javax.microedition.m3g.AnimationController controller) Animates the translation component of the given mesh.
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) Receives key presses.
private void	render(javax.microedition.lcdui.Graphics graphics) Renders the sample.
private void	reset() Initializes the sample.
void	run() Animation loop.
private void	toggleSpeed(javax.microedition.m3g.AnimationController animationController, int worldTime) Toggles animation between slow, fast, and reverse speed.

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, setCommandListener, setFullScreenMode, showNotify, sizeChanged

Methods inherited from class javax.microedition.lcdui.Displayable

addCommand, getHeight, getTicker, getTitle, getWidth, isShown, removeCommand, 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.

isRunning

private boolean isRunning

Flag whether thread is running.

lastKey

private int lastKey

Stores the last game action key.

INTERPOLATION_STEP

private static final int INTERPOLATION_STEP

Steps through keyframe values.

See Also:

Constant Field Values

INTERPOLATION_LINEAR

private static final int INTERPOLATION_LINEAR

Linear interpolation of keyframe values.

See Also:

Constant Field Values

INTERPOLATION_SPLINE

private static final int INTERPOLATION_SPLINE

Spline interpolation of keyframe values.

See Also:

Constant Field Values

NUMBER_OF_INTERPOLATIONS

private static final int NUMBER_OF_INTERPOLATIONS

Number of interpolation modes.

See Also:

Constant Field Values

currentMode

private int currentMode

Current interpolation mode.

animationController

private javax.microedition.m3g.AnimationController animationController

Controls animation speed.

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

AnimationSample

public AnimationSample()

Constructor.

Method Detail

init

public void init()

Initializes the sample.

Specified by:

init in interface Sample

reset

private void reset()

Initializes the sample.

destroy

public void destroy()

Destroys the sample.

Specified by:

destroy in interface Sample

run

public void run()

Animation loop.

Specified by:

run in interface java.lang.Runnable

keyPressed

protected void keyPressed(int keyCode)

Receives key presses.

Overrides:

keyPressed in class javax.microedition.lcdui.Canvas

Parameters:

keyCode - key code.

checkKeys

private void checkKeys(int worldTime)

Processes key presses.

Parameters:

worldTime - current world time.

createAnimation

private void createAnimation(javax.microedition.m3g.Mesh mesh,
                             int interpolationMode,
                             javax.microedition.m3g.AnimationController controller)

Animates the translation component of the given mesh.

Parameters:

mesh - mesh for animation.

interpolationMode - interpolation mode.

controller - animation controller.

toggleSpeed

private void toggleSpeed(javax.microedition.m3g.AnimationController animationController,
                         int worldTime)

Toggles animation between slow, fast, and reverse speed.

Parameters:

animationController - controller for animation.

worldTime - current world time.

render

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

Renders the sample.

Parameters:

graphics - graphics context for drawing.

drawMenu

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

Draws a menu for the current key assignments.

Parameters:

graphics - graphics context for drawing.