added lots of comments to the player script

Zac 5 years ago
parent 9178c777b9
commit 84780473d9

@ -1,27 +1,42 @@
extends KinematicBody2D
# export allows us to change the value of this variable from
# the inspector in the editor!
export var Speed = 5
# this is where we do node initialization stuff
func _ready():
# this is where we perform actions every frame (delta is how long
# it's been since the last frame)
func _process(delta):
# if we set up velocity to be 0 then we stop as soon as the player
# stops giving input
var velocity = Vector2()
# an action is defined in Project->Project Settings->Input Map
# it allows us to set up multiple keys to strings so we don't
# have to poll for specific keys every frame
# going left and right
if Input.is_action_pressed('ui_left'):
velocity.x -= Speed
elif Input.is_action_pressed('ui_right'):
velocity.x += Speed
# going up and down
if Input.is_action_pressed('ui_up'):
velocity.y -= Speed
elif Input.is_action_pressed('ui_down'):
velocity.y += Speed
# if the player is holding shift, give us a speedboost
if Input.is_key_pressed(KEY_SHIFT):
velocity *= 2
# and finally, we move and collide!