gistfile1.py

# The ship is from: <div xmlns:cc="http://creativecommons.org/ns#" about="http://millionthvector.blogspot.com/p/free-sprites.html"><a rel="cc:attributionURL" property="cc:attributionName" href="http://millionthvector.blogspot.com/p/free-sprites.html">MillionthVector</a> / <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a></div>
# The Background is from: http://www.jpl.nasa.gov/spaceimages/details.php?id=PIA16883


extends Node2D

export var ship_speed = 100
export var acceleration = 10
var current_speed = Vector2(0,0)

func _ready():
	# Initalization here
	set_fixed_process(true)
	
func move(speed_x, speed_y, acc, delta):
	current_speed.x = lerp(current_speed.x, speed_x, acc * delta)
	current_speed.y = lerp(current_speed.y, speed_y, acc * delta)
	get_node("KinematicBody2D").move(Vector2(current_speed.x, current_speed.y))
	
	
func _fixed_process(delta):
	var ship = get_node("KinematicBody2D")
	# Check for key input and move ship
	if (Input.is_action_pressed("ui_up")):
		move(current_speed.x, -ship_speed, acceleration, delta)
	elif (Input.is_action_pressed("ui_down")):
		move(current_speed.x, ship_speed, acceleration, delta)
	elif (Input.is_action_pressed("ui_left")):
		move(-ship_speed, current_speed.y, acceleration, delta)
	elif (Input.is_action_pressed("ui_right")):
		move(ship_speed, current_speed.y, acceleration, delta)
	else:
		move(0, 0, acceleration, delta)
	if (ship.is_colliding()):
		var n = ship.get_collision_normal()
		print("Collision Normal: " + str(n))
		current_speed = n.slide( current_speed )
		print("Slide value: " + str(current_speed))
		# Move the ship away from the collision slightly to avoid penetrating
		ship.move( current_speed + n*10)
		print("Position: " + str(ship.get_pos()))