particles, plus doubling fix

assets/particles/boom.p

@@ -0,0 +1,155 @@
+Sparks
+- Delay -
+active: false
+- Duration -
+lowMin: 0.0
+lowMax: 300.0
+- Count -
+min: 200
+max: 200
+- Emission -
+lowMin: 0.0
+lowMax: 0.0
+highMin: 90.0
+highMax: 90.0
+relative: false
+scalingCount: 1
+scaling0: 1.0
+timelineCount: 1
+timeline0: 0.0
+- Life -
+lowMin: 0.0
+lowMax: 0.0
+highMin: 500.0
+highMax: 500.0
+relative: false
+scalingCount: 1
+scaling0: 1.0
+timelineCount: 1
+timeline0: 0.0
+independent: false
+- Life Offset -
+active: false
+independent: false
+- X Offset -
+active: false
+- Y Offset -
+active: false
+- Spawn Shape -
+shape: point
+- Spawn Width -
+lowMin: 0.0
+lowMax: 0.0
+highMin: 0.0
+highMax: 0.0
+relative: false
+scalingCount: 1
+scaling0: 1.0
+timelineCount: 1
+timeline0: 0.0
+- Spawn Height -
+lowMin: 0.0
+lowMax: 0.0
+highMin: 0.0
+highMax: 0.0
+relative: false
+scalingCount: 1
+scaling0: 1.0
+timelineCount: 1
+timeline0: 0.0
+- X Scale -
+lowMin: 0.0
+lowMax: 0.0
+highMin: 30.0
+highMax: 30.0
+relative: false
+scalingCount: 1
+scaling0: 1.0
+timelineCount: 1
+timeline0: 0.0
+- Y Scale -
+active: false
+- Velocity -
+active: true
+lowMin: 0.0
+lowMax: 0.0
+highMin: 30.0
+highMax: 285.0
+relative: false
+scalingCount: 1
+scaling0: 1.0
+timelineCount: 1
+timeline0: 0.0
+- Angle -
+active: true
+lowMin: 0.0
+lowMax: 0.0
+highMin: 0.0
+highMax: 360.0
+relative: false
+scalingCount: 1
+scaling0: 1.0
+timelineCount: 1
+timeline0: 0.0
+- Rotation -
+active: true
+lowMin: 0.0
+lowMax: 360.0
+highMin: -360.0
+highMax: 360.0
+relative: true
+scalingCount: 2
+scaling0: 0.0
+scaling1: 1.0
+timelineCount: 2
+timeline0: 0.0
+timeline1: 1.0
+- Wind -
+active: false
+- Gravity -
+active: true
+lowMin: 0.0
+lowMax: 0.0
+highMin: 0.0
+highMax: 0.0
+relative: true
+scalingCount: 2
+scaling0: 0.0
+scaling1: 1.0
+timelineCount: 2
+timeline0: 0.0
+timeline1: 1.0
+- Tint -
+colorsCount: 3
+colors0: 0.93333334
+colors1: 1.0
+colors2: 0.3764706
+timelineCount: 1
+timeline0: 0.0
+- Transparency -
+lowMin: 0.0
+lowMax: 0.0
+highMin: 1.0
+highMax: 1.0
+relative: false
+scalingCount: 4
+scaling0: 0.0
+scaling1: 1.0
+scaling2: 0.75
+scaling3: 0.0
+timelineCount: 4
+timeline0: 0.0
+timeline1: 0.2
+timeline2: 0.8
+timeline3: 1.0
+- Options -
+attached: false
+continuous: false
+aligned: false
+additive: true
+behind: false
+premultipliedAlpha: false
+spriteMode: single
+- Image Paths -
+particle-star.png
+

core/src/main/java/org/lumijiez/bugger/GameContactListener.java

@@ -0,0 +1,57 @@
+package org.lumijiez.bugger;
+
+import com.badlogic.gdx.physics.box2d.*;
+import org.lumijiez.bugger.entities.Entity;
+import org.lumijiez.bugger.entities.enemies.EnemyEntity;
+import org.lumijiez.bugger.entities.weapons.Arrow;
+
+public class GameContactListener implements ContactListener {
+    @Override
+    public void beginContact(Contact contact) {
+        Fixture fixtureA = contact.getFixtureA();
+        Fixture fixtureB = contact.getFixtureB();
+
+        if (isArrow(fixtureA) && isArrow(fixtureB)) {
+            return;
+        }
+
+        if (isArrow(fixtureA) && isEntity(fixtureB)) {
+            Arrow arrow = (Arrow) fixtureA.getBody().getUserData();
+            EnemyEntity enemy = (EnemyEntity) fixtureB.getBody().getUserData();
+            if (arrow != null) {
+                arrow.destroy();
+                enemy.destroy();
+            }
+        }
+
+        if (isArrow(fixtureB) && isEntity(fixtureA)) {
+            Arrow arrow = (Arrow) fixtureB.getBody().getUserData();
+            EnemyEntity enemy = (EnemyEntity) fixtureA.getBody().getUserData();
+            if (arrow != null) {
+                arrow.destroy();
+                enemy.destroy();
+            }
+        }
+    }
+
+    @Override
+    public void endContact(Contact contact) {
+    }
+
+    @Override
+    public void preSolve(Contact contact, Manifold manifold) {
+
+    }
+
+    @Override
+    public void postSolve(Contact contact, ContactImpulse impulse) {
+    }
+
+    private boolean isArrow(Fixture fixture) {
+        return fixture.getBody().getUserData() instanceof Arrow;
+    }
+
+    private boolean isEntity(Fixture fixture) {
+        return fixture.getBody().getUserData() instanceof EnemyEntity;
+    }
+}

core/src/main/java/org/lumijiez/bugger/GameScreen.java

@@ -1,13 +1,18 @@
 package org.lumijiez.bugger;
 
 import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Input;
 import com.badlogic.gdx.Screen;
 import com.badlogic.gdx.graphics.GL20;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.physics.box2d.*;
+import com.badlogic.gdx.utils.Array;
+import org.lumijiez.bugger.entities.Entity;
 import org.lumijiez.bugger.entities.Player;
+import org.lumijiez.bugger.entities.enemies.EnemyEntity;
 import org.lumijiez.bugger.entities.enemies.Wasp;
+import org.lumijiez.bugger.entities.weapons.Arrow;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -15,10 +20,12 @@ import java.util.List;
 public class GameScreen implements Screen {
     private final World world;
     private final Player player;
-    public static final SpriteBatch spriteBatch = new SpriteBatch();;
-    private List<Wasp> enemies;
-    private float enemySpawnTimer = 0f; // Timer to manage enemy spawning
-    private static final float ENEMY_SPAWN_INTERVAL = 2f;
+    public static final SpriteBatch spriteBatch = new SpriteBatch();
+    private final List<EnemyEntity> enemies;
+    private Array<Arrow> arrows;
+    private Array<Entity> entitiesToDestroy;
+    private float enemySpawnTimer = 0f;
+    private static final float ENEMY_SPAWN_INTERVAL = 0.5f;
     private final Box2DDebugRenderer debugRenderer = new Box2DDebugRenderer();
 
     public GameScreen() {
@@ -26,6 +33,9 @@ public class GameScreen implements Screen {
         player = Player.getInstance();
         player.setPlayer(world, 100, 100);
         enemies = new ArrayList<>();
+        arrows = new Array<>();
+        entitiesToDestroy = new Array<>();
+        world.setContactListener(new GameContactListener());
     }
 
     @Override
@@ -38,24 +48,55 @@ public class GameScreen implements Screen {
         Gdx.gl.glClearColor(0.1f, 0.1f, 0.1f, 1);
         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 
-        world.step(1 / 2f, 6, 2);
+        world.step(1f, 6, 2);
+
+        if (Gdx.input.isButtonJustPressed(Input.Buttons.LEFT)) {
+            Arrow arrow = player.shootArrow();
+            arrows.add(arrow);
+        }
+
+        for (Arrow arrow : arrows) {
+            if (!arrow.isMarkedToDestroy()) {
+                arrow.update(delta);
+                arrow.render();
+            } else {
+                entitiesToDestroy.add(arrow);
+            }
+        }
+
+        for (EnemyEntity enemy : enemies) {
+            if (enemy.isMarkedToDestroy()) {
+                entitiesToDestroy.add(enemy);
+            }
+        }
+
+        for (Entity entity : entitiesToDestroy) {
+            world.destroyBody(entity.getBody());
+            if (entity instanceof Arrow) arrows.removeValue((Arrow) entity, true);
+            if (entity instanceof EnemyEntity) {
+                Gdx.app.log("EFFECT", "PLAYED");
+                ParticleManager.getInstance().playEffect(entity.getBody().getPosition().x, entity.getBody().getPosition().y);
+                enemies.remove(entity);
+            }
+        }
+        entitiesToDestroy.clear();
+
+        ParticleManager.getInstance().update(delta);
         player.render();
 
+
+
+        ParticleManager.getInstance().render(spriteBatch);
+
         enemySpawnTimer += delta;
         if (enemySpawnTimer >= ENEMY_SPAWN_INTERVAL) {
             enemies.add(new Wasp(world, Player.getInstance().getPosition()));
-            enemySpawnTimer = 0; // Reset the timer
+            enemySpawnTimer = 0;
         }
 
-        // Move enemies towards the player
-        for (Wasp enemy : enemies) {
+        for (EnemyEntity enemy : enemies) {
             enemy.moveTowards(player.getPosition());
-        }
-
-        // Render player and enemies
-        player.render(); // Call the player's render method
-        for (Wasp enemy : enemies) {
-            enemy.render(); // Render each enemy
+            enemy.render();
         }
 
         debugRenderer.render(world, spriteBatch.getProjectionMatrix());

core/src/main/java/org/lumijiez/bugger/ParticleManager.java

@@ -0,0 +1,61 @@
+package org.lumijiez.bugger;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.graphics.g2d.ParticleEffect;
+import com.badlogic.gdx.graphics.g2d.ParticleEffectPool;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.utils.Array;
+
+public class ParticleManager {
+    private static ParticleManager instance;
+    private final ParticleEffectPool particleEffectPool;
+    private final Array<ParticleEffectPool.PooledEffect> activeEffects;
+
+    private ParticleManager() {
+        ParticleEffect effect = new ParticleEffect();
+        effect.load(Gdx.files.internal("particles/boom.p"), Gdx.files.internal("particles"));
+        effect.scaleEffect(0.2f);
+        particleEffectPool = new ParticleEffectPool(effect, 1, 20);
+        activeEffects = new Array<>();
+    }
+
+    public static ParticleManager getInstance() {
+        if (instance == null) {
+            instance = new ParticleManager();
+        }
+        return instance;
+    }
+
+    public void playEffect(float x, float y) {
+        ParticleEffectPool.PooledEffect newEffect = particleEffectPool.obtain();
+        newEffect.setPosition(x, y);
+        newEffect.start();
+        activeEffects.add(newEffect);
+    }
+
+    public void update(float delta) {
+        for (int i = activeEffects.size - 1; i >= 0; i--) {
+            ParticleEffectPool.PooledEffect effect = activeEffects.get(i);
+            effect.update(delta);
+            if (effect.isComplete()) {
+                effect.free();
+                activeEffects.removeIndex(i);
+            }
+        }
+    }
+
+    public void render(SpriteBatch spriteBatch) {
+        spriteBatch.begin();
+        for (ParticleEffectPool.PooledEffect effect : activeEffects) {
+            effect.draw(spriteBatch);
+        }
+        spriteBatch.end();
+    }
+
+    public void dispose() {
+        for (ParticleEffectPool.PooledEffect effect : activeEffects) {
+            effect.free();
+        }
+        activeEffects.clear();
+    }
+}

core/src/main/java/org/lumijiez/bugger/entities/Entity.java

@@ -12,6 +12,7 @@ public abstract class Entity {
     protected Sprite sprite;
     protected final float size;
     protected World world;
+    protected boolean markedToDestroy = false;
 
     public Entity(World world, String texturePath, float size) {
         this.world = world;
@@ -49,4 +50,18 @@ public abstract class Entity {
     public Vector2 getPosition() {
         return body.getPosition();
     }
+
+    public void destroy() {
+        if (!markedToDestroy) {
+            markedToDestroy = true;
+        }
+    }
+
+    public boolean isMarkedToDestroy() {
+        return markedToDestroy;
+    }
+
+    public Body getBody() {
+        return body;
+    }
 }

core/src/main/java/org/lumijiez/bugger/entities/Player.java

@@ -2,21 +2,16 @@ package org.lumijiez.bugger.entities;
 
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.Input;
-import com.badlogic.gdx.graphics.Texture;
-import com.badlogic.gdx.graphics.g2d.Sprite;
-import com.badlogic.gdx.physics.box2d.Body;
-import com.badlogic.gdx.physics.box2d.BodyDef;
-import com.badlogic.gdx.physics.box2d.FixtureDef;
-import com.badlogic.gdx.physics.box2d.PolygonShape;
 import com.badlogic.gdx.physics.box2d.World;
 import com.badlogic.gdx.math.Vector2;
+import org.lumijiez.bugger.entities.weapons.Arrow;
 
 public class Player extends Entity {
     private static Player instance;
     private final float speed = 5f;
 
     private Player() {
-        super(null, "images/wasp.png", 50f); // World will be set later
+        super(null, "images/wasp.png", 50f);
     }
 
     public static Player getInstance() {
@@ -62,4 +57,16 @@ public class Player extends Entity {
         body.setTransform(body.getPosition(), angle * (float) Math.PI / 180f);
         sprite.setRotation(body.getAngle() * (180f / (float) Math.PI));
     }
+
+    public Arrow shootArrow() {
+        Vector2 direction = new Vector2();
+        float mouseX = Gdx.input.getX();
+        float mouseY = Gdx.input.getY();
+        Vector2 mousePosition = new Vector2(mouseX, Gdx.graphics.getHeight() - mouseY);
+        direction.set(mousePosition).sub(getPosition()).nor();
+
+        Arrow arrow = new Arrow(world, getPosition(), direction);
+        arrow.body.setUserData(arrow);
+        return arrow;
+    }
 }

core/src/main/java/org/lumijiez/bugger/entities/enemies/EnemyEntity.java

@@ -0,0 +1,25 @@
+package org.lumijiez.bugger.entities.enemies;
+
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.physics.box2d.World;
+import org.lumijiez.bugger.entities.Entity;
+
+public class EnemyEntity extends Entity {
+    private final float speed = 50f;
+
+    public EnemyEntity(World world, String texturePath, float size) {
+        super(world, texturePath, size);
+    }
+
+    public void moveTowards(Vector2 target) {
+        Vector2 direction = target.cpy().sub(body.getPosition()).nor();
+        body.setLinearVelocity(direction.scl(speed / 100f));
+
+        float angle = direction.angleDeg() + 270f;
+        body.setTransform(body.getPosition(), angle * (float) Math.PI / 180f);
+    }
+
+    public void render() {
+        super.render();
+    }
+}

core/src/main/java/org/lumijiez/bugger/entities/enemies/Wasp.java

@@ -2,12 +2,12 @@ package org.lumijiez.bugger.entities.enemies;
 
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.physics.box2d.*;
+import org.lumijiez.bugger.ParticleManager;
 import org.lumijiez.bugger.entities.Entity;
 
 import java.util.Random;
 
-public class Wasp extends Entity {
-    private final float speed = 50f;
+public class Wasp extends EnemyEntity {
     private static final Random random = new Random();
 
     public Wasp(World world, Vector2 playerPosition) {
@@ -17,17 +17,6 @@ public class Wasp extends Entity {
         float spawnX = playerPosition.x + (float) Math.cos(angle) * (spawnRadius + size);
         float spawnY = playerPosition.y + (float) Math.sin(angle) * (spawnRadius + size);
         this.body = createBody(spawnX, spawnY);
-    }
-
-    public void moveTowards(Vector2 target) {
-        Vector2 direction = target.cpy().sub(body.getPosition()).nor();
-        body.setLinearVelocity(direction.scl(speed / 100f));
-
-        float angle = direction.angleDeg() + 270f;
-        body.setTransform(body.getPosition(), angle * (float) Math.PI / 180f);
-    }
-
-    public void render() {
-        super.render();
+        this.body.setUserData(this);
     }
 }

core/src/main/java/org/lumijiez/bugger/entities/weapons/Arrow.java

@@ -0,0 +1,49 @@
+package org.lumijiez.bugger.entities.weapons;
+
+import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.physics.box2d.*;
+import org.lumijiez.bugger.entities.Entity;
+
+public class Arrow extends Entity {
+    private final float speed = 5000f;
+    private final float lifetime = 3f;
+    private float timeAlive = 0f;
+
+    public Arrow(World world, Vector2 position, Vector2 direction) {
+        super(world, "images/wasp.png", 10f);
+        Vector2 offsetPosition = position.cpy().add(direction.nor().scl(size + 15f));
+
+        this.body = createBody(offsetPosition.x, offsetPosition.y);
+        this.body.setLinearVelocity(direction.nor().scl(speed));
+    }
+
+    protected Body createBody(float x, float y) {
+        BodyDef bodyDef = new BodyDef();
+        bodyDef.position.set(x, y);
+        bodyDef.type = BodyDef.BodyType.DynamicBody;
+        bodyDef.gravityScale = 0;
+
+        Body body = world.createBody(bodyDef);
+        PolygonShape shape = new PolygonShape();
+        shape.setAsBox(size / 2, size / 2);
+
+        FixtureDef fixtureDef = new FixtureDef();
+        fixtureDef.shape = shape;
+        fixtureDef.isSensor = true;
+        body.createFixture(fixtureDef);
+
+        shape.dispose();
+        return body;
+    }
+
+    public void update(float delta) {
+        timeAlive += delta;
+        if (timeAlive >= lifetime || isMarkedToDestroy()) {
+            destroy();
+        }
+    }
+
+    public void render() {
+        super.render();
+    }
+}