diff --git a/core/src/de/samdev/cannonshooter/entities/Cannon.java b/core/src/de/samdev/cannonshooter/entities/Cannon.java
index b16bfc6..a9915be 100644
--- a/core/src/de/samdev/cannonshooter/entities/Cannon.java
+++ b/core/src/de/samdev/cannonshooter/entities/Cannon.java
@@ -1,5 +1,8 @@
 package de.samdev.cannonshooter.entities;
 
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Input.Buttons;
+
 import de.samdev.absgdx.framework.entities.Entity;
 import de.samdev.absgdx.framework.entities.colliosiondetection.CollisionGeometryOwner;
 import de.samdev.absgdx.framework.entities.colliosiondetection.geometries.CollisionGeometry;
@@ -12,6 +15,8 @@ public class Cannon extends Entity {
 	private CannonBarrel barrel;
 	private CannonHearth hearth;
 	
+	public float power = 1f; // 1 = active | 0 = neutral
+	
 	public Cannon(float x, float y) {
 		super(Textures.cannon_body, 2, 2);
 		
@@ -29,6 +34,19 @@ public class Cannon extends Entity {
 		layer.addEntity(hearth);
 	}
 
+	@Override
+	public void beforeUpdate(float delta) {
+		if (isMouseOverEntity() && Gdx.input.justTouched() && Gdx.input.isButtonPressed(Buttons.LEFT) && power > 0)
+		{
+			power -= 0.1;
+		}
+		
+		if (isMouseOverEntity() && Gdx.input.justTouched() && Gdx.input.isButtonPressed(Buttons.RIGHT) && power < 1)
+		{
+			power += 0.1;
+		}
+	}
+
 	@Override
 	public void onActiveCollide(CollisionGeometryOwner passiveCollider, CollisionGeometry myGeo, CollisionGeometry otherGeo) {
 		// TODO Auto-generated method stub
@@ -63,10 +81,4 @@ public class Cannon extends Entity {
 		return false;
 	}
 
-	@Override
-	public void beforeUpdate(float delta) {
-		// TODO Auto-generated method stub
-
-	}
-
 }
diff --git a/core/src/de/samdev/cannonshooter/entities/CannonHearth.java b/core/src/de/samdev/cannonshooter/entities/CannonHearth.java
index 52d7ef3..a2b75d5 100644
--- a/core/src/de/samdev/cannonshooter/entities/CannonHearth.java
+++ b/core/src/de/samdev/cannonshooter/entities/CannonHearth.java
@@ -13,11 +13,15 @@ import de.samdev.cannonshooter.ZLayers;
 
 public class CannonHearth extends Entity {
 	private static final Color COLOR_NEUTRAL = new Color(0.75f, 0.75f, 0.75f, 1f);
+	private static final float ROTATION_SPEED = 0.125f;
 	
 	private float rotation = 0;
 	
+	private Cannon cannon;
+	
 	public CannonHearth(Cannon owner) {
 		super(Textures.cannon_hearth[0], 2, 2);
+		cannon = owner;
 		
 		setPosition(owner.getPositionX(), owner.getPositionY());
 		
@@ -32,7 +36,7 @@ public class CannonHearth extends Entity {
 
 		sbatch.setColor(Color.RED);
 		
-		renderTexture(sbatch, Textures.cannon_hearth[(int)(rotation/4f) % 64], 0, 0);
+		renderTexture(sbatch, Textures.cannon_hearth[(int)(cannon.power * 63)], 0, 0);
 
 		sbatch.setColor(Color.WHITE);
 	}
@@ -73,12 +77,24 @@ public class CannonHearth extends Entity {
 
 	@Override
 	public void beforeUpdate(float delta) {
-		rotation = (rotation + 360 + delta / 8) % 360;
+		if (cannon.power < 1)
+		{
+			if (rotation != 0)
+			{
+				rotation = (rotation - delta * ROTATION_SPEED);
+				if (rotation < 0) rotation = 0;
+			}
+		}
+		else
+		{
+			rotation = (rotation - delta * ROTATION_SPEED);
+			if (rotation < 0) rotation += 45;
+		}
 	}
 	
 	@Override
 	public float getTextureRotation() {
-		return 0;//rotation;
+		return rotation;
 	}
 
 	@Override
diff --git a/core/src/de/samdev/cannonshooter/level/StandardLevel.java b/core/src/de/samdev/cannonshooter/level/StandardLevel.java
index 585dc0b..70f9e5d 100644
--- a/core/src/de/samdev/cannonshooter/level/StandardLevel.java
+++ b/core/src/de/samdev/cannonshooter/level/StandardLevel.java
@@ -19,7 +19,11 @@ public class StandardLevel extends GameLayer {
 
 		setMapScaleResolver(new ShowCompleteMapScaleResolver());
 
-		addEntity(new Cannon(10, 10));
+		addEntity(new Cannon(7, 13));
+
+		addEntity(new Cannon(14, 5));
+
+		addEntity(new Cannon(20, 13));
 	}
 	
 	@Override
diff --git a/data/cannon_sketch.pdn b/data/cannon_sketch.pdn
index c3ab6ea..1584d8d 100644
Binary files a/data/cannon_sketch.pdn and b/data/cannon_sketch.pdn differ
diff --git a/lib/absGDX-framework-1.0-source.jar b/lib/absGDX-framework-1.0-source.jar
deleted file mode 100644
index 1c88577..0000000
Binary files a/lib/absGDX-framework-1.0-source.jar and /dev/null differ
diff --git a/lib/absGDX-framework-1.0.jar b/lib/absGDX-framework-1.0.jar
index e4e640e..77189ec 100644
Binary files a/lib/absGDX-framework-1.0.jar and b/lib/absGDX-framework-1.0.jar differ