package org.andengine.examples;
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.particle.SpriteParticleSystem;
import org.andengine.entity.particle.emitter.PointParticleEmitter;
import org.andengine.entity.particle.initializer.AccelerationParticleInitializer;
import org.andengine.entity.particle.initializer.BlendFunctionParticleInitializer;
import org.andengine.entity.particle.initializer.ColorParticleInitializer;
import org.andengine.entity.particle.initializer.RotationParticleInitializer;
import org.andengine.entity.particle.initializer.VelocityParticleInitializer;
import org.andengine.entity.particle.modifier.AlphaParticleModifier;
import org.andengine.entity.particle.modifier.ColorParticleModifier;
import org.andengine.entity.particle.modifier.ExpireParticleInitializer;
import org.andengine.entity.particle.modifier.ScaleParticleModifier;
import org.andengine.entity.scene.Scene;
import org.andengine.entity.scene.background.Background;
import org.andengine.entity.sprite.Sprite;
import org.andengine.entity.util.FPSLogger;
import org.andengine.opengl.texture.TextureOptions;
import org.andengine.opengl.texture.atlas.bitmap.BitmapTextureAtlas;
import org.andengine.opengl.texture.atlas.bitmap.BitmapTextureAtlasTextureRegionFactory;
import org.andengine.opengl.texture.region.ITextureRegion;
import org.andengine.ui.activity.SimpleBaseGameActivity;
import android.opengl.GLES20;
/**
* (c) 2010 Nicolas Gramlich
* (c) 2011 Zynga
*
* @author Nicolas Gramlich
* @since 16:44:30 - 29.06.2010
*/
public class ParticleSystemNexusExample extends SimpleBaseGameActivity {
// ===========================================================
// Constants
// ===========================================================
private static final int CAMERA_WIDTH = 480;
private static final int CAMERA_HEIGHT = 320;
private static final float RATE_MIN = 8;
private static final float RATE_MAX = 12;
private static final int PARTICLES_MAX = 200;
// ===========================================================
// Fields
// ===========================================================
private Camera mCamera;
private BitmapTextureAtlas mBitmapTextureAtlas;
private ITextureRegion mParticleTextureRegion;
// ===========================================================
// Constructors
// ===========================================================
// ===========================================================
// Getter & Setter
// ===========================================================
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
@Override
public EngineOptions onCreateEngineOptions() {
this.mCamera = new Camera(0, 0, ParticleSystemNexusExample.CAMERA_WIDTH, ParticleSystemNexusExample.CAMERA_HEIGHT);
return new EngineOptions(true, ScreenOrientation.LANDSCAPE_FIXED, new RatioResolutionPolicy(ParticleSystemNexusExample.CAMERA_WIDTH, ParticleSystemNexusExample.CAMERA_HEIGHT), this.mCamera);
}
@Override
protected void onCreateResources() {
BitmapTextureAtlasTextureRegionFactory.setAssetBasePath("gfx/");
this.mBitmapTextureAtlas = new BitmapTextureAtlas(this.getTextureManager(), 32, 32, TextureOptions.BILINEAR_PREMULTIPLYALPHA);
this.mParticleTextureRegion = BitmapTextureAtlasTextureRegionFactory.createFromAsset(this.mBitmapTextureAtlas, this, "particle_fire.png", 0, 0);
this.mEngine.getTextureManager().loadTexture(this.mBitmapTextureAtlas);
}
@Override
protected Scene onCreateScene() {
this.mEngine.registerUpdateHandler(new FPSLogger());
final Scene scene = new Scene();
scene.setBackground(new Background(0.0f, 0.0f, 0.0f));
/* LowerLeft to LowerRight Particle System. */
{
final SpriteParticleSystem particleSystem = new SpriteParticleSystem(new PointParticleEmitter(-32, ParticleSystemNexusExample.CAMERA_HEIGHT - 32), ParticleSystemNexusExample.RATE_MIN, ParticleSystemNexusExample.RATE_MAX, ParticleSystemNexusExample.PARTICLES_MAX, this.mParticleTextureRegion, this.getVertexBufferObjectManager());
particleSystem.addParticleInitializer(new BlendFunctionParticleInitializer<Sprite>(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE));
particleSystem.addParticleInitializer(new VelocityParticleInitializer<Sprite>(35, 45, 0, -10));
particleSystem.addParticleInitializer(new AccelerationParticleInitializer<Sprite>(5, -11));
particleSystem.addParticleInitializer(new RotationParticleInitializer<Sprite>(0.0f, 360.0f));
particleSystem.addParticleInitializer(new ColorParticleInitializer<Sprite>(1.0f, 1.0f, 0.0f));
particleSystem.addParticleInitializer(new ExpireParticleInitializer<Sprite>(6.5f));
particleSystem.addParticleModifier(new ScaleParticleModifier<Sprite>(0, 5, 0.5f, 2.0f));
particleSystem.addParticleModifier(new ColorParticleModifier<Sprite>(2.5f, 5.5f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f));
particleSystem.addParticleModifier(new AlphaParticleModifier<Sprite>(2.5f, 6.5f, 1.0f, 0.0f));
scene.attachChild(particleSystem);
}
/* LowerRight to LowerLeft Particle System. */
{
final SpriteParticleSystem particleSystem = new SpriteParticleSystem(new PointParticleEmitter(ParticleSystemNexusExample.CAMERA_WIDTH, ParticleSystemNexusExample.CAMERA_HEIGHT - 32), ParticleSystemNexusExample.RATE_MIN, ParticleSystemNexusExample.RATE_MAX, ParticleSystemNexusExample.PARTICLES_MAX, this.mParticleTextureRegion, this.getVertexBufferObjectManager());
particleSystem.addParticleInitializer(new BlendFunctionParticleInitializer<Sprite>(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE));
particleSystem.addParticleInitializer(new VelocityParticleInitializer<Sprite>(-35, -45, 0, -10));
particleSystem.addParticleInitializer(new AccelerationParticleInitializer<Sprite>(-5, -11));
particleSystem.addParticleInitializer(new RotationParticleInitializer<Sprite>(0.0f, 360.0f));
particleSystem.addParticleInitializer(new ColorParticleInitializer<Sprite>(0.0f, 1.0f, 0.0f));
particleSystem.addParticleInitializer(new ExpireParticleInitializer<Sprite>(6.5f));
particleSystem.addParticleModifier(new ScaleParticleModifier<Sprite>(0, 5, 0.5f, 2.0f));
particleSystem.addParticleModifier(new ColorParticleModifier<Sprite>(2.5f, 5.5f, 0.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f));
particleSystem.addParticleModifier(new AlphaParticleModifier<Sprite>(2.5f, 6.5f, 1.0f, 0.0f));
scene.attachChild(particleSystem);
}
/* UpperLeft to UpperRight Particle System. */
{
final SpriteParticleSystem particleSystem = new SpriteParticleSystem(new PointParticleEmitter(-32, 0), ParticleSystemNexusExample.RATE_MIN, ParticleSystemNexusExample.RATE_MAX, ParticleSystemNexusExample.PARTICLES_MAX, this.mParticleTextureRegion, this.getVertexBufferObjectManager());
particleSystem.addParticleInitializer(new BlendFunctionParticleInitializer<Sprite>(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE));
particleSystem.addParticleInitializer(new VelocityParticleInitializer<Sprite>(35, 45, 0, 10));
particleSystem.addParticleInitializer(new AccelerationParticleInitializer<Sprite>(5, 11));
particleSystem.addParticleInitializer(new RotationParticleInitializer<Sprite>(0.0f, 360.0f));
particleSystem.addParticleInitializer(new ColorParticleInitializer<Sprite>(0.0f, 0.0f, 1.0f));
particleSystem.addParticleInitializer(new ExpireParticleInitializer<Sprite>(6.5f));
particleSystem.addParticleModifier(new ScaleParticleModifier<Sprite>(0, 5, 0.5f, 2.0f));
particleSystem.addParticleModifier(new ColorParticleModifier<Sprite>(2.5f, 5.5f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 1.0f));
particleSystem.addParticleModifier(new AlphaParticleModifier<Sprite>(2.5f, 6.5f, 1.0f, 0.0f));
scene.attachChild(particleSystem);
}
/* UpperRight to UpperLeft Particle System. */
{
final SpriteParticleSystem particleSystem = new SpriteParticleSystem(new PointParticleEmitter(ParticleSystemNexusExample.CAMERA_WIDTH, 0), ParticleSystemNexusExample.RATE_MIN, ParticleSystemNexusExample.RATE_MAX, ParticleSystemNexusExample.PARTICLES_MAX, this.mParticleTextureRegion, this.getVertexBufferObjectManager());
particleSystem.addParticleInitializer(new BlendFunctionParticleInitializer<Sprite>(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE));
particleSystem.addParticleInitializer(new VelocityParticleInitializer<Sprite>(-35, -45, 0, 10));
particleSystem.addParticleInitializer(new AccelerationParticleInitializer<Sprite>(-5, 11));
particleSystem.addParticleInitializer(new RotationParticleInitializer<Sprite>(0.0f, 360.0f));
particleSystem.addParticleInitializer(new ColorParticleInitializer<Sprite>(1.0f, 0.0f, 0.0f));
particleSystem.addParticleInitializer(new ExpireParticleInitializer<Sprite>(6.5f));
particleSystem.addParticleModifier(new ScaleParticleModifier<Sprite>(0, 5, 0.5f, 2.0f));
particleSystem.addParticleModifier(new ColorParticleModifier<Sprite>(2.5f, 5.5f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f));
particleSystem.addParticleModifier(new AlphaParticleModifier<Sprite>(2.5f, 6.5f, 1.0f, 0.0f));
scene.attachChild(particleSystem);
}
return scene;
}
// ===========================================================
// Methods
// ===========================================================
// ===========================================================
// Inner and Anonymous Classes
// ===========================================================
}