added particles to projectile hits

src/de/miaurizius/jgame2d/entity/projectile/Projectile.java

@@ -28,6 +28,7 @@ public class Projectile extends Entity {
             int monsterIndex = panel.collisionH.checkEntity(this, panel.monster);
             if(monsterIndex != 999) {
                 panel.player.damageMonster(monsterIndex, attack);
+                generateParticle(user.projectile, panel.monster[monsterIndex]);
                 alive = false;
             }
         }
@@ -35,6 +36,7 @@ public class Projectile extends Entity {
         if(user.type == EntityType.MONSTER) {
             if(!panel.player.invincible && panel.collisionH.checkPlayer(this)) {
                 damagePlayer(attack);
+                generateParticle(user.projectile, panel.player);
                 alive = false;
             }
         }

src/de/miaurizius/jgame2d/entity/projectile/RockObj.java

@@ -3,6 +3,8 @@ package de.miaurizius.jgame2d.entity.projectile;
 import de.miaurizius.jgame2d.core.GamePanel;
 import de.miaurizius.jgame2d.core.enums.EntityType;
 
+import java.awt.*;
+
 public class RockObj extends Projectile {
 
     GamePanel panel;
@@ -33,4 +35,17 @@ public class RockObj extends Projectile {
         right2 = initEntitySprites(defaultSprite);
     }
 
+    public Color getParticleColor() {
+        return new Color(40, 50,0);
+    }
+    public int getParticleSize() {
+        return 10; //in pixels
+    }
+    public int getParticleSpeed() {
+        return 1;
+    }
+    public int getParticleMaxLife() {
+        return 20;
+    }
+
 }

src/de/miaurizius/jgame2d/tile/interactive/InteractiveTile.java

@@ -1,8 +1,6 @@
 package de.miaurizius.jgame2d.tile.interactive;
 
 import de.miaurizius.jgame2d.core.GamePanel;
-import de.miaurizius.jgame2d.core.enums.Direction;
-import de.miaurizius.jgame2d.core.enums.EntityType;
 import de.miaurizius.jgame2d.entity.Entity;
 
 import java.awt.*;