m3g06
Class TexturingSample

java.lang.Object
  javax.microedition.lcdui.Displayable
      javax.microedition.lcdui.Canvas
          javax.microedition.lcdui.game.GameCanvas
              m3g06.TexturingSample

All Implemented Interfaces:

Sample

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

Displays different shapes with textures and allows changing texture parameters interactively.

Author:

Claus Hoefele

Field Summary

private int	currentFilter Current filter mode.
private int	currentMesh Current mesh.
private int	currentWrapping Current wrapping mode.
private static int	FILTER_HIGH Texture filter with high quality.
private static int	FILTER_LOW Texture filter with low quality.
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.Mesh	mesh Mesh for display.
private static int	MESH_CUBE Cube is displayed.
private static int	MESH_CYLINDER Cylinder is displayed.
private static int	MESH_SPHERE Sphere is displayed.
private static int	MESH_TEAPOT Teapot is displayed.
private javax.microedition.m3g.Transform	meshTransform The mesh's transformation.
private static int	NUMBER_OF_FILTERS Number of filter modes.
private static int	NUMBER_OF_MESHES Number of meshes.
private static int	NUMBER_OF_WRAPPINGS Number of wrapping modes.
private boolean	perspectiveCorrection Stores whether perspective correction is enabled or not.
private javax.microedition.m3g.PolygonMode	polygonMode Polygon mode component of appearance.
private float	rotX Current rotation value.
private float	rotY Current rotation value.
private javax.microedition.m3g.Texture2D	texture The mesh's texture.
private static int	WRAPPING_CLAMP Texture is clamped.
private static int	WRAPPING_FULL Texture is stretched to cover the entire surface.
private static int	WRAPPING_REPEAT Texture is tiled.

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

TexturingSample()
Constructor.

Method Summary

private javax.microedition.m3g.Mesh	createMesh(int meshId, javax.microedition.m3g.PolygonMode polygonMode, javax.microedition.m3g.Texture2D texture) Creates a mesh based on the given ID.
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	setFiltering(javax.microedition.m3g.Texture2D texture, int filterMode) Sets the filter parameters of the given texture.
private void	setWrapping(javax.microedition.m3g.Texture2D texture, int wrappingMode) Sets the wrapping parameters of the given texture.

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.

rotX

private float rotX

Current rotation value.

rotY

private float rotY

Current rotation value.

meshTransform

private javax.microedition.m3g.Transform meshTransform

The mesh's transformation.

texture

private javax.microedition.m3g.Texture2D texture

The mesh's texture.

polygonMode

private javax.microedition.m3g.PolygonMode polygonMode

Polygon mode component of appearance.

perspectiveCorrection

private boolean perspectiveCorrection

Stores whether perspective correction is enabled or not.

MESH_CUBE

private static final int MESH_CUBE

Cube is displayed.

See Also:

Constant Field Values

MESH_SPHERE

private static final int MESH_SPHERE

Sphere is displayed.

See Also:

Constant Field Values

MESH_CYLINDER

private static final int MESH_CYLINDER

Cylinder is displayed.

See Also:

Constant Field Values

MESH_TEAPOT

private static final int MESH_TEAPOT

Teapot is displayed.

See Also:

Constant Field Values

NUMBER_OF_MESHES

private static final int NUMBER_OF_MESHES

Number of meshes.

See Also:

Constant Field Values

currentMesh

private int currentMesh

Current mesh.

WRAPPING_FULL

private static final int WRAPPING_FULL

Texture is stretched to cover the entire surface.

See Also:

Constant Field Values

WRAPPING_CLAMP

private static final int WRAPPING_CLAMP

Texture is clamped.

See Also:

Constant Field Values

WRAPPING_REPEAT

private static final int WRAPPING_REPEAT

Texture is tiled.

See Also:

Constant Field Values

NUMBER_OF_WRAPPINGS

private static final int NUMBER_OF_WRAPPINGS

Number of wrapping modes.

See Also:

Constant Field Values

currentWrapping

private int currentWrapping

Current wrapping mode.

FILTER_LOW

private static final int FILTER_LOW

Texture filter with low quality.

See Also:

Constant Field Values

FILTER_HIGH

private static final int FILTER_HIGH

Texture filter with high quality.

See Also:

Constant Field Values

NUMBER_OF_FILTERS

private static final int NUMBER_OF_FILTERS

Number of filter modes.

See Also:

Constant Field Values

currentFilter

private int currentFilter

Current filter 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

TexturingSample

public TexturingSample()

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

createMesh

private javax.microedition.m3g.Mesh createMesh(int meshId,
                                               javax.microedition.m3g.PolygonMode polygonMode,
                                               javax.microedition.m3g.Texture2D texture)

Creates a mesh based on the given ID.

Parameters:

meshId - mesh ID.

polygonMode - polygon mode.

texture - texture image.

Returns:

Mesh new mesh.

setWrapping

private void setWrapping(javax.microedition.m3g.Texture2D texture,
                         int wrappingMode)

Sets the wrapping parameters of the given texture.

Parameters:

texture - texture.

wrappingMode - wrapping mode.

setFiltering

private void setFiltering(javax.microedition.m3g.Texture2D texture,
                          int filterMode)

Sets the filter parameters of the given texture.

Parameters:

texture - texture.

filterMode - filter mode.

render

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

Renders the sample.

Parameters:

graphics - graphics context for drawing.

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.