1 files changed, 108 insertions, 0 deletions
diff --git a/core/src/ch/asynk/tankontank/engine/Orientation.java b/core/src/ch/asynk/tankontank/engine/Orientation.java
new file mode 100644
index 0000000..5b5cbbb
--- /dev/null
+++ b/core/src/ch/asynk/tankontank/engine/Orientation.java
@@ -0,0 +1,108 @@
+package ch.asynk.tankontank.engine;
+
+// import java.util.Set;
+// import java.util.List;
+// import java.util.Vector;
+// import java.util.Iterator;
+// import java.util.LinkedHashSet;
+
+// import com.badlogic.gdx.Gdx;
+
+// import com.badlogic.gdx.utils.Disposable;
+
+// import com.badlogic.gdx.graphics.Texture;
+// import com.badlogic.gdx.graphics.g2d.Batch;
+// import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
+
+// import com.badlogic.gdx.utils.Pool;
+// import com.badlogic.gdx.math.Vector2;
+// import com.badlogic.gdx.math.Vector3;
+// import com.badlogic.gdx.math.GridPoint2;
+// import com.badlogic.gdx.math.GridPoint3;
+// import com.badlogic.gdx.math.Matrix4;
+
+// import ch.asynk.tankontank.engine.gfx.Image;
+// import ch.asynk.tankontank.engine.gfx.Animation;
+// import ch.asynk.tankontank.engine.gfx.animations.AnimationSequence;
+// import ch.asynk.tankontank.engine.gfx.animations.RunnableAnimation;
+
+public enum Orientation
+{
+    ALL(0, 63),
+    KEEP(0, 0),
+    NORTH(270, 1),
+    NORTH_EAST(210, 2),
+    SOUTH_EAST(150, 4),
+    SOUTH(90, 8),
+    SOUTH_WEST (30, 16),
+    NORTH_WEST(330, 32);
+
+    public static int offset = 0;
+    public static float delta = 5f;
+    private final int r;
+    public final int s;
+
+    Orientation(int r, int s) { this.r = r; this.s = s; }
+
+    public float r() { return offset + r; }
+
+    public boolean isInSides(int sides)
+    {
+        return ((sides & s) == s);
+    }
+
+    public Orientation left()
+    {
+        if (this == NORTH) return NORTH_WEST;
+        else return fromSide(s >> 1);
+    }
+
+    public Orientation right()
+    {
+        if (this == NORTH_WEST) return NORTH;
+        else return fromSide(s << 1);
+    }
+
+    public Orientation opposite()
+    {
+        return left().left().left();
+    }
+
+    public int allBut()
+    {
+        return ALL.s & (s ^ 0xFFFF);
+    }
+
+    public int getFrontSides()
+    {
+        return s | left().s | right().s;
+    }
+
+    public int getBackSides()
+    {
+        return opposite().getFrontSides();
+    }
+
+    public static Orientation fromSide(int s)
+    {
+        if (s == 1) return NORTH;
+        else if (s == NORTH_EAST.s) return NORTH_EAST;
+        else if (s == SOUTH_EAST.s) return SOUTH_EAST;
+        else if (s == SOUTH.s) return SOUTH;
+        else if (s == SOUTH_WEST.s) return SOUTH_WEST;
+        else if (s == NORTH_WEST.s) return NORTH_WEST;
+        else return KEEP;
+    }
+
+    public static Orientation fromRotation(float r)
+    {
+        if (r < 0) r += 360f;
+        if ((r > (NORTH.r - 5f)) && (r < (NORTH.r + 5f))) return NORTH;
+        else if ((r > (NORTH_EAST.r - delta)) && (r < (NORTH_EAST.r + delta))) return NORTH_EAST;
+        else if ((r > (SOUTH_EAST.r - delta)) && (r < (SOUTH_EAST.r + delta))) return SOUTH_EAST;
+        else if ((r > (SOUTH.r - delta)) && (r < (SOUTH.r + delta))) return SOUTH;
+        else if ((r > (SOUTH_WEST.r - delta)) && (r < (SOUTH_WEST.r + delta))) return SOUTH_WEST;
+        else if ((r > (NORTH_WEST.r - delta)) && (r < (NORTH_WEST.r + delta))) return NORTH_WEST;
+        else return KEEP;
+    }
+}