level3.js File Reference

JAVASCRIPT FOR LEVEL 3. More...

Functions
function	speedup ()
	This function is bind to the increase button it decreases the value of var speed so that animation time is less and hence speed increases finally. More...
function	speeddown ()
	This function is bind to the decrease button it increases the value of var speed so that animation time is more and hence speed decreases finally. More...
function	create_map ()
	This function creates the arena. More...
function	snowman_kill ()
	Kills the snowman and changes the value of snowman_killed to 1. More...
function	walk (r)
	This function controls the movement of warrior based on the input given. More...
function	check_success (code)
	This function is used for logger message of success or error. More...
function	print_stat ()
	This function is used to show print statement in the logger. More...

Variables
var	pos_x = 0
	stores the X-coordinate of warrior More...
var	pos_y = 0
	stores the Y-coordinate of warrior More...
var	reloaded = true
	check if reloading was done before or not More...
var	arena_type = 0
	check if arena was of type 1 or 2 More...
var	speed = 500
	For the animation speed of the player. More...
	speed_dict = {250 : "fast", 500 : "medium", "750" : "slow"}
	maps speeds in milliseconds to the name corresponding to them. More...
const	speed_show = document.getElementById("speed_")
	The element in which we have to show speed. More...
speed_show	innerHTML = speed_dict[speed]
var	snowman_killed = 0
	The following var stores if info about status of snowman. 0 menas alive 1 means dead. More...
var	logger = document.getElementById('log')
console	log

Detailed Description

JAVASCRIPT FOR LEVEL 3.

Author

Prolific Pythonists

Date

24-11-2022

Function Documentation

check_success()

function check_success

(

code

)

This function is used for logger message of success or error.

final position of warrior and number of lines is checked in this function to check if user have successfully completed task or not.

Parameters

{string}

code code written by user as a string. This is used to calculate number of lines

create_map()

function create_map

(

)

This function creates the arena.

There is code for two different arena we choose a random numberbetweeen 0 and 1 if number is less than 0.5 we choose arena_type 1 else arena_type 2.
For sprite of each path we again choose a randon number and if this number is greater than 0.6 we add a diamond at that point.

print_stat()

function print_stat

(

)

This function is used to show print statement in the logger.

This function is implemented by overloading console.log function to show print statements on logger as well.

snowman_kill()

function snowman_kill

(

)

Kills the snowman and changes the value of snowman_killed to 1.

speeddown()

function speeddown

(

)

This function is bind to the decrease button it increases the value of var speed so that animation time is more and hence speed decreases finally.

speedup()

function speedup

(

)

This function is bind to the increase button it decreases the value of var speed so that animation time is less and hence speed increases finally.

walk()

function walk

(

r

)

This function controls the movement of warrior based on the input given.

Exception handling is also done in this function as while moving if warrior steps out of arena alert box is shown

Parameters

{int}

r integer determining direction of traversal. 1 => move_up, 2=>move_down() 3 => move_right() 4=> move_left

Variable Documentation

arena_type

var arena_type = 0

check if arena was of type 1 or 2

innerHTML

speed_show innerHTML = speed_dict[speed]

log

console log

Initial value:

= function (message) {
        if (String(message).includes("level1/level1.html#__main__")) {
            logger.innerHTML += "error" + '<br />';
        }
        else if (typeof message == 'object') {
            logger.innerHTML += (JSON && JSON.stringify ? JSON.stringify(message) : message) + '<br />';
        }
        else {
            logger.innerHTML += message + '<br />'
        }
    }
})()

logger

var logger = document.getElementById('log')

pos_x

var pos_x = 0

stores the X-coordinate of warrior

pos_y

var pos_y = 0

stores the Y-coordinate of warrior

reloaded

var reloaded = true

check if reloading was done before or not

snowman_killed

var snowman_killed = 0

The following var stores if info about status of snowman.
0 menas alive
1 means dead.

speed

var speed = 500

For the animation speed of the player.

speed_dict

speed_dict = {250 : "fast", 500 : "medium", "750" : "slow"}

maps speeds in milliseconds to the name corresponding to them.

speed_show

const speed_show = document.getElementById("speed_")

The element in which we have to show speed.