brick.java

J2ME下的3D游戏

import javax.microedition.m3g.Group;
import javax.microedition.m3g.Loader;
import javax.microedition.m3g.Mesh;
import javax.microedition.m3g.Node;
import javax.microedition.m3g.Object3D;
import javax.microedition.m3g.World;

public class Brick {
	private Node gBrick;
	private final int BRICK_ID = 32;
	private World world;

	public Brick() {

		load();

	}
	public Node getBrick(){
		return gBrick;
	}


	public void load() {
		try {
//			world = new World();
			Object3D[] list = Loader.load("/gogo.m3g");
			for (int i = 0; i < list.length; i++) {
				if (list[i] instanceof World) {
					world = (World) list[i];
					break;
				}
			}
//			Group group = new Group();
			
//			while(world.getChildCount() > 0){
//				Node node = world.getChild(0);
//				world.removeChild(node);
//				group.addChild(node);
//			}
//			Group root = (Group)list[1];
//			System.out.println(gBrick.toString());
//			System.out.println("world.find():"+ world.find(31).toString());
			gBrick = (Node)world.find(BRICK_ID);
//			gBrick = new Group();
//			System.out.println(gBrick.toString());
//			Group parent =(Node)gBrick.getParent();
//			parent.removeChild(gBrick);
			world.removeChild(gBrick);
//			System.out.println(gBrick.toString());
			
			
//			gBrick = new Group();
//			gBrick.addChild(group);
//			gBrick = (Group)gBrick.find(BRICK_ID);
//			gBrick = (Group) world.find(BRICK_ID);
//			world.removeChild(gBrick);
//			Group group = new Group();
//			while (gBrick.getChildCount() > 0) {
//				Node node = gBrick.getChild(0);
//				gBrick.removeChild(node);
//				group.addChild(node);
//			}
//
//			gBrick.addChild(group);

			
		} catch (Exception e) {
			e.printStackTrace();
		}
		
	}
	public World createMap(World world){
		int num = Map.maps.length/2;
		for(int i = 1; i < num; i++){
			float x = Map.maps[i*2-1];
			float z = Map.maps[i*2-2];
			Node brick = (Node)getBrick().duplicate();
			
			brick.setScale(1.5f, 1.5f, 1.5f);
			
			brick.translate(x, 0, z);
			world.addChild(brick);
		}
		return world;
	}

//	private static void removeLightAndCamera(World world) {
//		for (int i = 0; i < world.getChildCount(); i++) {
//			Node node = world.getChild(i);
//			if (node instanceof Light || node instanceof Camera) {
//				world.removeChild(node);
//				i--;
//			}
//		}
//	}
//
//	private static void cleanNodeTranslation(Node node) {
//		float[] data = new float[3];
//		node.getTranslation(data);
//		node.translate(-data[0], -data[1], -data[2]);
//	}
}