added the source code so far

1 files changed, 239 insertions, 0 deletions

diff --git a/app.js b/app.js
new file mode 100644
index 0000000..249189a
--- /dev/null
+++ b/app.js
@@ -0,0 +1,239 @@
+let board = [
+    [0, 0, 0, 0, 0, 0, 0, 0],
+    [0, 0, 0, 0, 0, 0, 0, 0],
+    [0, 0, 0, 0, 0, 0, 0, 0],
+    [0, 0, 0, 0, 0, 0, 0, 0],
+    [0, 0, 0, 0, 0, 0, 0, 0],
+    [0, 0, 0, 0, 0, 0, 0, 0],
+    [0, 0, 0, 0, 0, 0, 0, 0],
+    [0, 0, 0, 0, 0, 0, 0, 0],
+]
+
+console.log(board.length)
+
+console.log(amelia_move(board, 3, 3))
+
+function king_move(board, y, x) {
+    let moves = []
+
+    for (let i = y - 1; i <= y + 1; i += 1) {
+        for (let j = x - 1; j <= x + 1; j += 1) {
+            if ((i == y && j == x) || i < 0 || j < 0 || i >= board.length || j >= board[i].length) {
+                continue
+            }
+            if (board[i][j] == 0) {
+                moves.push([i, j])
+            }
+        }
+    }
+
+    return moves
+}
+
+function knight_move(board, y, x) {
+    let moves = []
+
+    let cand = [
+        [y + 2, x + 1],
+        [y + 2, x - 1],
+        [y + 1, x - 2],
+        [y + 1, x + 2],
+        [y - 2, x + 1],
+        [y - 2, x - 1],
+        [y - 1, x + 2],
+        [y - 1, x - 2],
+    ]
+
+    for (let k = 0; k < cand.length; k++) {
+        if (cand[k][0] < 0 || cand[k][1] < 0 || cand[k][0] >= board.length || cand[k][1] >= board[cand[k][0]].length) {
+            continue
+        }
+
+        if (board[i][j] == 0) {
+            moves.push([i, j])
+        }
+    }
+
+    return moves
+}
+
+
+function rook_move(board, y, x) {
+    let moves = []
+
+    for (let i = x + 1; i < board[1].length; i++) {
+        if (board[y][i] != 0) {
+            break
+        }
+        moves.push([y, i])
+    }
+
+    for (let i = x - 1; i >= 0; i--) {
+        if (board[y][i] != 0) {
+            break
+        }
+        moves.push([y, i])
+    }
+
+
+    for (let i = y + 1; i < board.length; i++) {
+        if (board[i][x] != 0) {
+            break
+        }
+        moves.push([i, x])
+    }
+
+    for (let i = y - 1; i >= 0; i--) {
+        if (board[i][x] != 0) {
+            break
+        }
+        moves.push([i, x])
+    }
+
+    return moves
+}
+
+function bishop_move(board, y, x) {
+    let moves = []
+
+    let i = y + 1;
+    let j = x + 1;
+
+    while (!(i < 0 || j < 0 || i >= board.length || j >= board[i].length)) {
+        if (board[i][j] != 0) {
+            break
+        }
+
+        moves.push([i, j])
+        i += 1
+        j += 1
+    }
+
+    i = y - 1;
+    j = x - 1;
+
+    while (!(i < 0 || j < 0 || i >= board.length || j >= board[i].length)) {
+        if (board[i][j] != 0) {
+            break
+        }
+
+        moves.push([i, j])
+        i -= 1
+        j -= 1
+    }
+
+    i = y - 1;
+    j = x + 1;
+
+    while (!(i < 0 || j < 0 || i >= board.length || j >= board[i].length)) {
+        if (board[i][j] != 0) {
+            break
+        }
+
+        moves.push([i, j])
+        i -= 1
+        j += 1
+    }
+
+    i = y + 1;
+    j = x - 1;
+
+    while (!(i < 0 || j < 0 || i >= board.length || j >= board[i].length)) {
+        if (board[i][j] != 0) {
+            break
+        }
+
+        moves.push([i, j])
+        i += 1
+        j -= 1
+    }
+
+    return moves
+}
+
+function amelia_move(board, y, x) {
+    let moves = []
+
+    for (let i = x + 1; i < board[0].length; i++) {
+        if (board[y][i] != 0) {
+            break
+        }
+        moves.push([y, i])
+    }
+
+    for (let i = x - 1; i >= 0; i--) {
+        if (board[y][i] != 0) {
+            break
+        }
+        moves.push([y, i])
+    }
+
+
+    for (let i = y + 1; i < board.length; i++) {
+        if (board[i][x] != 0) {
+            break
+        }
+        moves.push([i, x])
+    }
+
+    for (let i = y - 1; i >= 0; i--) {
+        if (board[i][x] != 0) {
+            break
+        }
+        moves.push([i, x])
+    }
+
+    let i = y + 1;
+    let j = x + 1;
+
+    while (!(i < 0 || j < 0 || i >= board.length || j >= board[i].length)) {
+        if (board[i][j] != 0) {
+            break
+        }
+
+        moves.push([i, j])
+        i += 1
+        j += 1
+    }
+
+    i = y - 1;
+    j = x - 1;
+
+    while (!(i < 0 || j < 0 || i >= board.length || j >= board[i].length)) {
+        if (board[i][j] != 0) {
+            break
+        }
+
+        moves.push([i, j])
+        i -= 1
+        j -= 1
+    }
+
+    i = y - 1;
+    j = x + 1;
+
+    while (!(i < 0 || j < 0 || i >= board.length || j >= board[i].length)) {
+        if (board[i][j] != 0) {
+            break
+        }
+
+        moves.push([i, j])
+        i -= 1
+        j += 1
+    }
+
+    i = y + 1;
+    j = x - 1;
+
+    while (!(i < 0 || j < 0 || i >= board.length || j >= board[i].length)) {
+        if (board[i][j] != 0) {
+            break
+        }
+
+        moves.push([i, j])
+        i += 1
+        j -= 1
+    }
+
+    return moves
+}