gistfile1.txt

function isWallNotOnPath(
  activePlayer,
  destinationLine,
  destinationColumn,
  walls
) {
  // je vérifie que mon déplacement ne tombe pas sur un mur
  const isOnAWall = walls.find(function(wall) {
    if (wall.l === destinationLine && wall.c === destinationColumn) {
      return true;
    }
    return false;
  });

  if (isOnAWall) {
    return false;
  }

  const deltaL = Math.abs(activePlayer.line - destinationLine);
  const deltaC = Math.abs(activePlayer.column - destinationColumn);
  const L = -(activePlayer.line - destinationLine);
  const C = -(activePlayer.column - destinationColumn);
  const targetPositions = [];

  console.log({
    deltaL: deltaL,
    deltaC: deltaC,
    L: L,
    C: C
  });

  if (L > 0) {
    console.log("j'effectue un mouvement vers le bas");
    for (let l = 0; l <= L; l++) {
      targetPositions.push({
        l: activePlayer.line + l,
        c: activePlayer.column
      });
    }
  }

  if (L < 0) {
    console.log("j'effectue un mouvement vers le haut");
    for (let l = 0; l >= L; l--) {
      targetPositions.push({
        l: activePlayer.line + l,
        c: activePlayer.column
      });
    }
  }

  if (C > 0) {
    console.log("j'effectue un mouvement vers la droite");
    for (let c = 0; c <= C; c++) {
      targetPositions.push({
        l: activePlayer.line,
        c: activePlayer.column + c
      });
    }
  }

  if (C < 0) {
    console.log("j'effectue un mouvement vers la gauche");
    for (let c = 0; c >= C; c--) {
      targetPositions.push({
        l: activePlayer.line,
        c: activePlayer.column + c
      });
    }
  }

  console.log(targetPositions);

  const wallOnTarget = function(walls) {
    let finded = false;
    walls.find(function(wall) {
      targetPositions.find(function(position) {
        if (position.l == wall.l && position.c == wall.c) {
          finded = true;
          return true;
        }
        return false;
      });
    });
    return finded;
  };

  if (wallOnTarget(walls)) {
    return false;
  }

  return true;
}