fixed which row the pawns generate on and added direction control in behaviour

src/apr.rs

@@ -51,11 +51,11 @@ impl Apr {
         let mut actors: Vec<actor::Actor> = Vec::new();
         for i in 0..r {
             // white side
-            actors.push(actor::Actor::new(_ctx, "/pawn.png", i, 0, 0));
+            actors.push(actor::Actor::new(_ctx, "/pawn.png", i, 1, 0));
         }
         for i in 0..r {
             // black side
-            actors.push(actor::Actor::new(_ctx, "/pawn2.png", i, c - 1, 0));
+            actors.push(actor::Actor::new(_ctx, "/pawn2.png", i, c - 2, 0));
         }
         Ok(Apr {
             grid: make_grid(_ctx, r, c, board.board.as_slice())?,
@@ -63,9 +63,10 @@ impl Apr {
             should_update_grid: false,
             actors,
             dragging: false,
-            behaviours: vec![behaviour::Behaviour {
+            behaviours: vec![behaviour::Behaviour { // 4-tile-corner leaper pawn behaviour
-                moves: vec![(0, 1)],
+                moves: vec![(1, 1)],
-            }], //the pawn can go ONE forwards
+				dirs: (1, 0, 0, 0),
+            }], //the pawn can go TWO diagonally and to the right and only upwards
         })
     }
 

src/behaviour.rs

@@ -1,3 +1,4 @@
 pub struct Behaviour {
     pub moves: Vec<(u8, u8)>, //this is a placeholder
+	pub dirs: (u8, u8, u8, u8), // up right down left
 }