seventh.client.gfx.effects.particle_system.Emitters.java Source code

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Here is the source code for seventh.client.gfx.effects.particle_system.Emitters.java

Source

/*
 * see license.txt 
 */
package seventh.client.gfx.effects.particle_system;

import java.util.Random;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.TextureRegion;

import seventh.client.entities.ClientEntity;
import seventh.client.gfx.Art;
import seventh.client.gfx.TextureUtil;
import seventh.client.gfx.effects.particle_system.BatchedParticleGenerator.SingleParticleGenerator;
import seventh.client.gfx.effects.particle_system.Emitter.EmitterLifeCycleListener;
import seventh.client.gfx.effects.particle_system.Emitter.ParticleUpdater;
import seventh.map.Tile;
import seventh.math.Vector2f;
import seventh.shared.TimeStep;

/**
 * @author Tony
 *
 */
public class Emitters {

    private static EmitterPool fireEmitterPool = new EmitterPool(new EmitterPool.EmitterFactory() {

        @Override
        public Emitter newEmitter() {
            return _newFireEmitter(new Vector2f());
        }
    });

    public static Emitter newFireEmitter(Vector2f pos) {
        return fireEmitterPool.allocate(pos);
        //return _newFireEmitter(pos);
    }

    private static Emitter _newFireEmitter(Vector2f pos) {
        int emitterTimeToLive = 2_400;
        int maxParticles = 140;
        int maxSpread = 40;

        Emitter emitter = new Emitter(pos, emitterTimeToLive, maxParticles).setName("FireEmitter")
                .setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, 5)
                .addSingleParticleGenerator(new RandomColorSingleParticleGenerator(new Color(0xEB5aaFff),
                        new Color(0xEB502Fff), new Color(0x434B43ff)))
                .addSingleParticleGenerator(new SingleParticleGenerator() {

                    @Override
                    public void onGenerateParticle(int index, TimeStep timeStep, ParticleData particles) {
                        particles.color[index].a = 0.92f;
                    }
                }).addSingleParticleGenerator(new RandomPositionInRadiusGrowthSingleParticleGenerator(1, maxSpread))
                //  .addSingleParticleGenerator(new RandomRotationSingleParticleGenerator())
                .addSingleParticleGenerator(new RandomScaleSingleParticleGenerator(0.355f, 0.362f))
                .addSingleParticleGenerator(new RandomScaleGrowthSingleParticleGenerator(2.4f))
                .addSingleParticleGenerator(new RandomSpeedSingleParticleGenerator(80, 140))
                .addSingleParticleGenerator(new RandomTimeToLiveSingleParticleGenerator(100, 200))
                .addSingleParticleGenerator(new RandomSpriteSingleParticleGenerator(Art.smokeImage));

        emitter.addParticleGenerator(gen);

        emitter.addParticleUpdater(new KillUpdater());
        // emitter.addParticleUpdater(new KillIfAttachedIsDeadUpdater());        
        emitter.addParticleUpdater(new RandomMovementParticleUpdater(880));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.9498f));
        //emitter.addParticleUpdater(new ScaleUpdater(2.3f, 0.08f));
        emitter.addParticleRenderer(new BlendingSpriteParticleRenderer());
        emitter.setLifeCycleListener(new EmitterLifeCycleListener() {

            @Override
            public void onKilled(Emitter emitter) {
                fireEmitterPool.free(emitter);
            }
        });

        return emitter;
    }

    public static Emitter newBloodEmitter(Vector2f pos, int maxParticles, int emitterTimeToLive, int maxSpread) {
        Emitter emitter = new Emitter(pos, emitterTimeToLive, maxParticles).setName("BloodEmitter")
                .setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, maxParticles)
                .addSingleParticleGenerator(new RandomPositionInRadiusSingleParticleGenerator(maxSpread))
                .addSingleParticleGenerator(new RandomRotationSingleParticleGenerator())
                .addSingleParticleGenerator(new RandomScaleSingleParticleGenerator(0.55f, 1.2f))
                .addSingleParticleGenerator(new RandomSpeedSingleParticleGenerator(5, 5))
                .addSingleParticleGenerator(
                        new RandomTimeToLiveSingleParticleGenerator(emitterTimeToLive, emitterTimeToLive))
                .addSingleParticleGenerator(new RandomSpriteSingleParticleGenerator(Art.bloodImages));

        emitter.addParticleGenerator(gen);

        emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new MovementParticleUpdater(0, 2));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.9878f));
        emitter.addParticleRenderer(new SpriteParticleRenderer());

        return emitter;
    }

    public static Emitter newBulletImpactFleshEmitter(Vector2f pos, Vector2f targetVel) {
        // 5, 5200, 4000, 0, 60);
        // int maxParticles, int emitterTimeToLive, int particleTimeToLive, int timeToNextSpawn, int maxSpread) {

        Vector2f vel = targetVel.isZero() ? new Vector2f(-1.0f, -1.0f)
                : new Vector2f(-targetVel.x * 1.0f, -targetVel.y * 1.0f);

        Emitter emitter = new Emitter(pos, 200, 30).setName("BulletImpactFleshEmitter").setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, 30);
        gen.addSingleParticleGenerator(new SingleParticleGenerator() {

            @Override
            public void onGenerateParticle(int index, TimeStep timeStep, ParticleData particles) {
                particles.speed[index] = 125f;
            }
        }).addSingleParticleGenerator(new SetPositionSingleParticleGenerator())
                .addSingleParticleGenerator(
                        new RandomColorSingleParticleGenerator(new Color(0x660000ff), new Color(0x330000ff)))
                .addSingleParticleGenerator(new RandomVelocitySingleParticleGenerator(vel, 120))
                .addSingleParticleGenerator(new RandomTimeToLiveSingleParticleGenerator(600, 950));

        emitter.addParticleGenerator(gen);

        emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new RandomMovementParticleUpdater(45));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.82718f));
        emitter.addParticleRenderer(new CircleParticleRenderer());

        return emitter;
    }

    public static Emitter newGibEmitter(Vector2f pos, int maxParticles) {
        int emitterTimeToLive = 10_000;
        int maxSpread = 35;

        Emitter emitter = new Emitter(pos, emitterTimeToLive, maxParticles).setName("GibEmitter")
                .setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, maxParticles)
                .addSingleParticleGenerator(new RandomPositionInRadiusSingleParticleGenerator(maxSpread))
                .addSingleParticleGenerator(new RandomRotationSingleParticleGenerator())
                .addSingleParticleGenerator(new RandomScaleSingleParticleGenerator(0.15f, 1.2f))
                .addSingleParticleGenerator(new RandomSpeedSingleParticleGenerator(0, 0))
                .addSingleParticleGenerator(
                        new RandomTimeToLiveSingleParticleGenerator(emitterTimeToLive, emitterTimeToLive))
                .addSingleParticleGenerator(new RandomSpriteSingleParticleGenerator(Art.gibImages));

        emitter.addParticleGenerator(gen);

        emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new MovementParticleUpdater(0, 2));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.9898f));
        emitter.addParticleRenderer(new SpriteParticleRenderer());

        return emitter;
    }

    public static Emitter newRocketTrailEmitter(Vector2f pos, int emitterTimeToLive) {
        //int emitterTimeToLive = 10_000;
        int maxParticles = 1000;
        int maxSpread = 15;

        Emitter emitter = new Emitter(pos, emitterTimeToLive, maxParticles).setName("RocketTrailEmitter")
                .setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, 7)
                .addSingleParticleGenerator(
                        new RandomColorSingleParticleGenerator(new Color(0x474B48ff), new Color(0x434B43ff)))
                .addSingleParticleGenerator(new SingleParticleGenerator() {

                    @Override
                    public void onGenerateParticle(int index, TimeStep timeStep, ParticleData particles) {
                        particles.color[index].a = 0.92f;
                    }
                }).addSingleParticleGenerator(new RandomPositionInRadiusSingleParticleGenerator(maxSpread))
                .addSingleParticleGenerator(new RandomRotationSingleParticleGenerator())
                .addSingleParticleGenerator(new RandomScaleSingleParticleGenerator(0.25f, 1.2f))
                .addSingleParticleGenerator(new RandomSpeedSingleParticleGenerator(0, 0))
                .addSingleParticleGenerator(new RandomTimeToLiveSingleParticleGenerator(5500, 6000))
                .addSingleParticleGenerator(new RandomSpriteSingleParticleGenerator(Art.smokeImage));

        emitter.addParticleGenerator(gen);

        emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new KillIfAttachedIsDeadUpdater());
        emitter.addParticleUpdater(new RandomMovementParticleUpdater(80));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.9498f));
        emitter.addParticleRenderer(new SpriteParticleRenderer());

        return emitter;
    }

    public static Emitter newSmokeEmitter(Vector2f pos, int emitterTimeToLive) {
        return newSmokeEmitter(pos, emitterTimeToLive, false);
    }

    public static Emitter newSmokeEmitter(Vector2f pos, int emitterTimeToLive, boolean killIfAttachedIsDead) {
        return newSmokeEmitter(pos, emitterTimeToLive, 35, 0.55f, 1.2f);
    }

    public static Emitter newSmokeEmitter(Vector2f pos, int emitterTimeToLive, int colorStart, int colorEnd) {
        return newSmokeEmitter(pos, emitterTimeToLive, colorStart, colorEnd, 35, 0.55f, 1.2f, false);
    }

    public static Emitter newSmokeEmitter(Vector2f pos, int emitterTimeToLive, int maxSpread, float minSize,
            float maxSize) {
        return newSmokeEmitter(pos, emitterTimeToLive, 0x838B8Bff, 0x838B83ff, maxSpread, minSize, maxSize, false);
    }

    public static Emitter newSmokeEmitter(Vector2f pos, int emitterTimeToLive, int colorStart, int colorEnd,
            int maxSpread, float minSize, float maxSize, boolean killIfAttachedIsDead) {
        int maxParticles = 1500;

        Emitter emitter = new Emitter(pos, emitterTimeToLive, maxParticles).setName("SmokeEmitter")
                .setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(100, 4)
                .addSingleParticleGenerator(
                        new RandomColorSingleParticleGenerator(new Color(colorStart), new Color(colorEnd)))
                .addSingleParticleGenerator(new SingleParticleGenerator() {

                    @Override
                    public void onGenerateParticle(int index, TimeStep timeStep, ParticleData particles) {
                        particles.color[index].a = 0.32f;
                    }
                }).addSingleParticleGenerator(new RandomPositionInRadiusSingleParticleGenerator(maxSpread))
                .addSingleParticleGenerator(new RandomRotationSingleParticleGenerator())
                .addSingleParticleGenerator(new RandomScaleSingleParticleGenerator(minSize, maxSize))
                .addSingleParticleGenerator(new RandomSpeedSingleParticleGenerator(1, 1))
                .addSingleParticleGenerator(new RandomVelocitySingleParticleGenerator(new Vector2f(1, 0), 180))
                .addSingleParticleGenerator(new RandomTimeToLiveSingleParticleGenerator(3800, 4000))
                .addSingleParticleGenerator(new RandomSpriteSingleParticleGenerator(Art.smokeImage));

        emitter.addParticleGenerator(gen);

        if (killIfAttachedIsDead)
            emitter.addParticleUpdater(new KillIfAttachedIsDeadUpdater());
        emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new RandomMovementParticleUpdater(20));
        //emitter.addParticleUpdater(new MovementParticleUpdater(0, 40f));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.9898f));
        emitter.addParticleRenderer(new SpriteParticleRenderer());

        return emitter;
    }

    public static Emitter newGunSmokeEmitter(final ClientEntity entity, int emitterTimeToLive) {
        int maxParticles = 1500;
        final int maxSpread = 5;
        final Vector2f tmp = new Vector2f(entity.getPos());
        final Vector2f vel = entity.getFacing();

        Emitter emitter = new Emitter(tmp, emitterTimeToLive, maxParticles).setName("GunSmokeEmitter")
                .setDieInstantly(false);

        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, 4)
                .addSingleParticleGenerator(
                        new RandomColorSingleParticleGenerator(new Color(0xDCDCDCff), new Color(0xD3D3D3ff)))
                .addSingleParticleGenerator(new SingleParticleGenerator() {

                    @Override
                    public void onGenerateParticle(int index, TimeStep timeStep, ParticleData particles) {
                        particles.color[index].a = 0.32f;

                        if (maxSpread > 0) {
                            Random r = particles.emitter.getRandom();

                            Vector2f pos = particles.pos[index];
                            pos.set(1, 0);

                            Vector2f.Vector2fRotate(pos, Math.toRadians(r.nextInt(360)), pos);
                            Vector2f.Vector2fMA(entity.getPos(), entity.getFacing(), 25.0f, tmp);
                            Vector2f.Vector2fMA(tmp, pos, r.nextInt(maxSpread), pos);
                        }
                    }
                }).addSingleParticleGenerator(new RandomRotationSingleParticleGenerator())
                .addSingleParticleGenerator(new RandomScaleSingleParticleGenerator(0.25f, 0.30f))
                .addSingleParticleGenerator(new RandomSpeedSingleParticleGenerator(1, 1))
                .addSingleParticleGenerator(new RandomVelocitySingleParticleGenerator(vel, 130))
                .addSingleParticleGenerator(new RandomTimeToLiveSingleParticleGenerator(3800, 4000))
                .addSingleParticleGenerator(new RandomSpriteSingleParticleGenerator(Art.smokeImage));

        emitter.addParticleGenerator(gen);

        emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new KillIfAttachedIsDeadUpdater());
        emitter.addParticleUpdater(new RandomMovementParticleUpdater(20));
        //emitter.addParticleUpdater(new MovementParticleUpdater(0, 40f));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.9898f));
        emitter.addParticleRenderer(new SpriteParticleRenderer());

        return emitter;
    }

    public static Emitter newBulletTracerEmitter(Vector2f pos, int emitterTimeToLive) {
        int maxParticles = 68;

        final Emitter emitter = new Emitter(pos, emitterTimeToLive, maxParticles).setName("BulletTracerEmitter")
                .setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, maxParticles)
                .addSingleParticleGenerator(
                        new RandomColorSingleParticleGenerator(new Color(0xffbA00ff), new Color(0xffff00ff)))
                .addSingleParticleGenerator(new SingleParticleGenerator() {

                    @Override
                    public void onGenerateParticle(int index, TimeStep timeStep, ParticleData particles) {
                        particles.color[index].a = 0.0f;
                    }
                }).addSingleParticleGenerator(new SetPositionSingleParticleGenerator());

        emitter.addParticleGenerator(gen);
        emitter.addParticleUpdater(new ParticleUpdater() {

            @Override
            public void update(TimeStep timeStep, ParticleData particles) {
                ClientEntity ent = emitter.attachedTo();
                if (ent != null) {
                    Vector2f pos = ent.getCenterPos();
                    Vector2f vel = ent.getMovementDir();
                    for (int index = 0; index < particles.numberOfAliveParticles; index++) {
                        float offset = index;
                        Vector2f.Vector2fMS(pos, vel, offset, particles.pos[index]);

                        float percentange = (float) index / particles.numberOfAliveParticles;

                        particles.color[index].a = 0.9512f * (1f - percentange);
                    }
                } else {
                    for (int index = 0; index < particles.numberOfAliveParticles; index++) {
                        particles.color[index].a = 0f;
                    }
                }
            }
        });

        emitter.addParticleUpdater(new KillIfAttachedIsDeadUpdater());
        emitter.addParticleRenderer(new RectParticleRenderer(2, 2));

        return emitter;
    }

    public static Emitter newBulletImpactEmitter(Vector2f pos, Vector2f targetVel) {
        // 5, 5200, 4000, 0, 60);
        // int maxParticles, int emitterTimeToLive, int particleTimeToLive, int timeToNextSpawn, int maxSpread) {

        Vector2f vel = targetVel.isZero() ? new Vector2f(-1.0f, -1.0f)
                : new Vector2f(-targetVel.x * 1.0f, -targetVel.y * 1.0f);

        Emitter emitter = new Emitter(pos, 200, 30).setName("BulletImpactEmitter").setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, 30);
        gen.addSingleParticleGenerator(new SingleParticleGenerator() {

            @Override
            public void onGenerateParticle(int index, TimeStep timeStep, ParticleData particles) {
                particles.speed[index] = 125f;
            }
        }).addSingleParticleGenerator(new SetPositionSingleParticleGenerator())
                .addSingleParticleGenerator(
                        new RandomColorSingleParticleGenerator(new Color(0x8B7355ff), new Color(0x8A7355ff)))
                .addSingleParticleGenerator(new RandomVelocitySingleParticleGenerator(vel, 60))
                .addSingleParticleGenerator(new RandomTimeToLiveSingleParticleGenerator(200, 250));

        emitter.addParticleGenerator(gen);

        emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new RandomMovementParticleUpdater(85));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.82718f));
        emitter.addParticleRenderer(new CircleParticleRenderer());

        return emitter;
    }

    public static Emitter newTankTrackSplatterEmitter(Vector2f pos, Vector2f targetVel) {
        // 5, 5200, 4000, 0, 60);
        // int maxParticles, int emitterTimeToLive, int particleTimeToLive, int timeToNextSpawn, int maxSpread) {

        Vector2f vel = targetVel.isZero() ? new Vector2f(-1.0f, -1.0f)
                : new Vector2f(-targetVel.x * 1.0f, -targetVel.y * 1.0f);

        Emitter emitter = new Emitter(pos, 200, 30).setName("BulletImpactEmitter").setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, 30);
        gen.addSingleParticleGenerator(new SingleParticleGenerator() {

            @Override
            public void onGenerateParticle(int index, TimeStep timeStep, ParticleData particles) {
                particles.speed[index] = 125f;
            }
        }).addSingleParticleGenerator(new SetPositionSingleParticleGenerator())
                .addSingleParticleGenerator(
                        new RandomColorSingleParticleGenerator(new Color(0x8B7355ff), new Color(0x8A7355ff)))
                .addSingleParticleGenerator(new RandomVelocitySingleParticleGenerator(vel, 30))
                .addSingleParticleGenerator(new RandomTimeToLiveSingleParticleGenerator(200, 250));

        emitter.addParticleGenerator(gen);

        emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new RandomMovementParticleUpdater(85));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.72718f));
        emitter.addParticleRenderer(new CircleParticleRenderer());

        return emitter;
    }

    public static Emitter newWallCrumbleEmitter(Tile tile, Vector2f pos) {
        final int maxParticles = 44;
        final int timeToLive = 100_000;

        Emitter emitter = new Emitter(pos, timeToLive, maxParticles).setPersistent(true).setDieInstantly(false);

        Random rand = emitter.getRandom();
        // TODO: fix the flipping business
        // in tiles, this is driving me nuts!
        Sprite image = new Sprite(tile.getImage());
        image.flip(false, true);

        TextureRegion[] images = new TextureRegion[44];
        int i = 0;
        for (; i < images.length - 15; i++) {
            int x = rand.nextInt(image.getRegionWidth());
            int y = rand.nextInt(image.getRegionHeight());
            int width = rand.nextInt(image.getRegionWidth() / 2);
            int height = rand.nextInt(image.getRegionHeight() / 2);

            if (x + width > image.getRegionWidth()) {
                width = image.getRegionWidth() - x;
            }

            if (y + height > image.getRegionHeight()) {
                height = image.getRegionHeight() - y;
            }

            Sprite sprite = new Sprite(image);
            TextureUtil.setFlips(sprite, tile.isFlippedHorizontal(), tile.isFlippedVertical(),
                    tile.isFlippedDiagnally());
            sprite.setRegion(sprite, x, y, width, height);

            images[i] = sprite;
        }

        Sprite sprite = new Sprite(Art.BLACK_IMAGE, 0, 0, 2, 4);
        for (; i < images.length; i++) {
            images[i] = sprite;
        }

        BatchedParticleGenerator gen = new BatchedParticleGenerator(0, maxParticles)
                .addSingleParticleGenerator(new RandomPositionInRadiusSingleParticleGenerator(10))
                .addSingleParticleGenerator(new RandomRotationSingleParticleGenerator())
                //.addSingleParticleGenerator(new RandomScaleSingleParticleGenerator(0.15f, 1.9f))
                .addSingleParticleGenerator(new RandomSpeedSingleParticleGenerator(250f, 250f))
                .addSingleParticleGenerator(new RandomVelocitySingleParticleGenerator(new Vector2f(1, 0), 180))
                .addSingleParticleGenerator(new RandomTimeToLiveSingleParticleGenerator(timeToLive, timeToLive))
                .addSingleParticleGenerator(new RandomSpriteSingleParticleGenerator(images));

        emitter.addParticleGenerator(gen);

        //emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new MovementParticleUpdater(0, 40f));
        //emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.9878f));
        emitter.addParticleRenderer(new SpriteParticleRenderer());

        return emitter;
    }

    public static Emitter newSpawnEmitter(Vector2f pos, int emitterTimeToLive) {
        int maxParticles = 40;
        int maxSpread = 45;

        Emitter emitter = new Emitter(pos, emitterTimeToLive, maxParticles).setName("SpawnEmitter")
                .setDieInstantly(false);
        BatchedParticleGenerator gen = new BatchedParticleGenerator(100, 2)
                .addSingleParticleGenerator(new RandomColorSingleParticleGenerator(new Color(0xffa701ff),
                        new Color(0xeeb803ff), new Color(0xffb805ff)))
                .addSingleParticleGenerator(new SingleParticleGenerator() {

                    @Override
                    public void onGenerateParticle(int index, TimeStep timeStep, ParticleData particles) {
                        particles.color[index].a = 0.82f;
                    }
                }).addSingleParticleGenerator(new RandomPositionInRadiusSingleParticleGenerator(maxSpread))
                .addSingleParticleGenerator(new RandomScaleSingleParticleGenerator(0.15f, 0.55f))
                .addSingleParticleGenerator(new RandomSpeedSingleParticleGenerator(1, 1))
                .addSingleParticleGenerator(new RandomVelocitySingleParticleGenerator(new Vector2f(1, 0), 180))
                .addSingleParticleGenerator(new RandomTimeToLiveSingleParticleGenerator(1800, 2300))
                .addSingleParticleGenerator(new RandomSpriteSingleParticleGenerator(Art.smokeImage));

        emitter.addParticleGenerator(gen);

        emitter.addParticleUpdater(new KillUpdater());
        emitter.addParticleUpdater(new KillIfAttachedIsDeadUpdater());
        emitter.addParticleUpdater(new RandomMovementParticleUpdater(40));
        //emitter.addParticleUpdater(new MovementParticleUpdater(0, 40f));
        emitter.addParticleUpdater(new AlphaDecayUpdater(0f, 0.96898f));
        emitter.addParticleRenderer(new SpriteParticleRenderer());

        return emitter;
    }
}