AreWallsBlockingSight 7DFPS

gistfile1.txt

private bool AreWallsBlockingSight(MainClass game, float playerDiffX, float playerDiffZ) {
  		Vector2 vec = new Vector2(playerDiffX, playerDiffZ);
			vec.Normalize();
			vec /= 100f;
			playerDiffX = vec.X;
			playerDiffZ = vec.Y;

			float x = 0;
			float z = 0;
			while (x * x + z * z < MainClass.WallsDisappearAt) {
				float xAbs = x + X;
				float zAbs = z + Z;

				int xWall = (int)xAbs;
				int zWall = (int)zAbs;
				if (game.BlockGrid [xWall, zWall] != null) {
					return true;
				}

				x += playerDiffX;
				z += playerDiffZ;
			}

			return false;
		}