GreenTank.gd

extends KinematicBody2D


# Max speeds
const FWD_SPEED = 40
const TURN_SPEED = 90 # degrees per second


# Global Vars
var velocity = Vector2.ZERO
var heading

func _ready():
	heading = get_rotation_degrees()
	print("heading: ", heading)	

func _physics_process(delta):
	var turn = TURN_SPEED * (Input.get_action_strength("ui_right") - Input.get_action_strength("ui_left"))	
	
	heading = heading + (turn * delta)
	
	if turn != 0:
		set_rotation_degrees(heading)
		print("heading: ", heading)
		
	var fwd = FWD_SPEED * delta * (Input.get_action_strength("ui_down") - Input.get_action_strength("ui_up"))	
	
	if fwd !=0:
		var adj_heading = heading+90
		velocity.x = fwd * cos(adj_heading * (PI/180))
		velocity.y = fwd * sin(adj_heading * (PI/180))
		print("velocity: ", velocity)
	else:
		velocity = Vector2.ZERO
	
	move_and_collide(velocity)