package org.andengine.examples;

import java.util.Random;

import org.andengine.engine.camera.Camera;

import org.andengine.engine.options.EngineOptions;

import org.andengine.engine.options.ScreenOrientation;

import org.andengine.engine.options.resolutionpolicy.RatioResolutionPolicy;

import org.andengine.entity.primitive.Line;

import org.andengine.entity.scene.Scene;

import org.andengine.entity.scene.background.Background;

import org.andengine.entity.util.FPSLogger;

import org.andengine.opengl.vbo.VertexBufferObjectManager;

import org.andengine.ui.activity.SimpleBaseGameActivity;

/**

* (c) 2010 Nicolas Gramlich

* (c) 2011 Zynga Inc.

*

* @author Nicolas Gramlich

* @since 11:54:51 - 03.04.2010

*/

public class LineExample extends SimpleBaseGameActivity {

// ===========================================================

// Constants

// ===========================================================

/* Initializing the Random generator produces a comparable result over different versions. */

private static final long RANDOM_SEED = 1234567890;

private static final int CAMERA_WIDTH = 720;

private static final int CAMERA_HEIGHT = 480;

private static final int LINE_COUNT = 100;

// ===========================================================

// Fields

// ===========================================================

// ===========================================================

// Constructors

// ===========================================================

// ===========================================================

// Getter & Setter

// ===========================================================

// ===========================================================

// Methods for/from SuperClass/Interfaces

// ===========================================================

@Override

public EngineOptions onCreateEngineOptions() {

final Camera camera = new Camera(0, 0, CAMERA_WIDTH, CAMERA_HEIGHT);

return new EngineOptions(true, ScreenOrientation.LANDSCAPE_FIXED, new RatioResolutionPolicy(CAMERA_WIDTH, CAMERA_HEIGHT), camera);

}

@Override

public void onCreateResources() {

}

@Override

public Scene onCreateScene() {

this.mEngine.registerUpdateHandler(new FPSLogger());

final Scene scene = new Scene();

scene.setBackground(new Background(0.09804f, 0.6274f, 0.8784f));

final Random random = new Random(RANDOM_SEED);

final VertexBufferObjectManager vertexBufferObjectManager = this.getVertexBufferObjectManager();

for(int i = 0; i < LINE_COUNT; i++) {

final float x1 = random.nextFloat() * CAMERA_WIDTH;

final float x2 = random.nextFloat() * CAMERA_WIDTH;

final float y1 = random.nextFloat() * CAMERA_HEIGHT;

final float y2 = random.nextFloat() * CAMERA_HEIGHT;

final float lineWidth = random.nextFloat() * 5;

final Line line = new Line(x1, y1, x2, y2, lineWidth, vertexBufferObjectManager);

line.setColor(random.nextFloat(), random.nextFloat(), random.nextFloat());

scene.attachChild(line);

}

return scene;

}

// ===========================================================

// Methods

// ===========================================================

// ===========================================================

// Inner and Anonymous Classes

// ===========================================================

}