Animated Barrel

core/src/de/samdev/cannonshooter/Textures.java

@@ -1,12 +1,15 @@
 package de.samdev.cannonshooter;
 
 import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.TextureRegion;
+
+import de.samdev.absgdx.framework.util.TextureHelper;
 
 public final class Textures {
 	public static Texture texbackground;
 	
 	public static Texture cannon_body;
-	public static Texture cannon_barrel;
+	public static TextureRegion[] cannon_barrel;
 	public static Texture cannon_hearth;
 	public static Texture cannon_bullet;
 	
@@ -14,6 +17,6 @@ public final class Textures {
 		texbackground = new Texture("level_background.png");
 		
 		cannon_body = new Texture("cannon_body.png");
-		cannon_barrel = new Texture("cannon_barrel.png");
+		cannon_barrel = TextureHelper.load1DArray("cannon_barrel.png", 512, 256, 16);
 	}
 }

core/src/de/samdev/cannonshooter/entities/CannonBarrel.java

@@ -8,11 +8,13 @@ import de.samdev.cannonshooter.Textures;
 import de.samdev.cannonshooter.ZLayers;
 
 public class CannonBarrel extends Entity {
+	private static final float ANIMATION_DURATION = 2000;
+	
 	
 	private float rotation = 0;
 	
 	public CannonBarrel(Cannon owner) {
-		super(Textures.cannon_barrel, 4, 2);
+		super(Textures.cannon_barrel, ANIMATION_DURATION, 4, 2);
 		
 		setPosition(owner.getPositionX() - 1, owner.getPositionY());
 		
@@ -61,7 +63,7 @@ public class CannonBarrel extends Entity {
 	
 	@Override
 	public float getTextureRotation() {
-		return rotation;
+		return 0;
 	}
 
 	@Override

data/CreateSpriteSheet_Simple.linq

@@ -0,0 +1,30 @@
+<Query Kind="Program">
+  <Namespace>System.Drawing</Namespace>
+  <Namespace>System.Drawing.Imaging</Namespace>
+</Query>
+
+void Main()
+{
+	Image input = Image.FromFile(@"F:\Eigene Dateien\Dropbox\Programming\Java\workspace\Cannon Shooter\data\cannon_barrel_single.png");
+	
+	Image output = new Bitmap(input.Width * 4, input.Height * 4, PixelFormat.Format32bppArgb);
+
+	using (Graphics g = Graphics.FromImage(output))
+	{
+		for (int x = 0; x < 4; x++)
+		{
+			for (int y = 0; y < 4; y++)
+			{
+				int idx = y*4 + x;
+
+				g.DrawImageUnscaledAndClipped(input, new Rectangle(input.Width * x, input.Height * y, input.Width - idx * 8 - 22, input.Height));
+				
+				g.DrawImage(input, new Rectangle(input.Width * (x+1) - idx * 8 - 22, input.Height * y, 22, input.Height), new Rectangle(input.Width - 22, 0, 22, input.Height), GraphicsUnit.Pixel);
+			}
+		}
+	}
+
+	output.Dump();
+
+	output.Save(@"F:\Eigene Dateien\Dropbox\Programming\Java\workspace\Cannon Shooter\android\assets\cannon_barrel.png");
+}