Rotating CannonHearth

data/CreateSpriteSheet_Barrel.linq

@@ -5,7 +5,7 @@
 
 void Main()
 {
-	Image input = Image.FromFile(@"F:\Eigene Dateien\Dropbox\Programming\Java\workspace\Cannon Shooter\data\cannon_barrel_single.png");
+	Image input = Image.FromFile(@"F:\Eigene Dateien\Dropbox\Programming\Java\workspace\Cannon Shooter\data\cannon_barrel_base.png");
 	
 	Image output = new Bitmap(input.Width * 4, input.Height * 4, PixelFormat.Format32bppArgb);
 

data/CreateSpriteSheet_Hearth.linq

@@ -0,0 +1,61 @@
+<Query Kind="Program">
+  <Reference>&lt;RuntimeDirectory&gt;\System.Numerics.dll</Reference>
+  <Namespace>System.Drawing</Namespace>
+  <Namespace>System.Drawing.Imaging</Namespace>
+  <Namespace>System.Numerics</Namespace>
+</Query>
+
+void Main()
+{
+	var input = new Bitmap(Image.FromFile(@"F:\Eigene Dateien\Dropbox\Programming\Java\workspace\Cannon Shooter\data\cannon_hearth_base.png"));
+	
+	Image output = new Bitmap(input.Width * 8, input.Height * 8, PixelFormat.Format32bppArgb);
+
+	var b1 = new SolidBrush(Color.Black);
+	var b2 = new SolidBrush(Color.Magenta);
+
+	using (Graphics g = Graphics.FromImage(output))
+	{
+		for (int x = 0; x < 8; x++)
+		{
+			for (int y = 0; y < 8; y++)
+			{
+				var rad = ((y*8 + x) / 64.0) * 2 * Math.PI;
+
+				for (int ix = 0; ix < input.Width; ix++)
+				{
+					for (int iy = 0; iy < input.Height; iy++)
+					{
+						int dx = input.Width * x + ix;
+						int dy = input.Height * y + iy;
+
+						if (input.GetPixel(ix, iy).A > 0)
+						{
+							if (GetAngle(new Vector2(ix - input.Width / 2f, iy - input.Height / 2f)) < rad)
+							{
+								g.FillRectangle(b1, dx, dy, 1, 1);
+							}
+							else
+							{
+								g.FillRectangle(b2, dx, dy, 1, 1);
+
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	output.Dump();
+
+	output.Save(@"F:\Eigene Dateien\Dropbox\Programming\Java\workspace\Cannon Shooter\android\assets\cannon_hearth.png");
+}
+
+double GetAngle(Vector2 p)
+{
+	var vector2 = p;
+	var vector1 = new Vector2(0, -1);
+
+	return (Math.Atan2(vector2.Y, vector2.X) - Math.Atan2(vector1.Y, vector1.X) + 2*Math.PI) % (2*Math.PI);
+}