Rabbit.gd

extends KinematicBody2D

export var ACCELERATION = 500
export var MAX_SPEED = 600
export var FRICTION = 200

onready var threat_detection_zone = $ThreatDetectionZone
onready var animation_tree = $AnimationTree
onready var animation_state = animation_tree.get("parameters/playback")

enum {
    IDLE,
    RUNNING,
    JUMP
}

var hole_to_go_to = null
var current_state = IDLE
var has_detected_threat = false
var velocity = Vector2.ZERO
var knockback = Vector2.ZERO

# Called when the node enters the scene tree for the first time.
func _ready():
    animation_tree.active = true

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _physics_process(delta):
    var threat = threat_detection_zone.threat
    if threat != null:
        move_to_hole(delta)
    
func run_state():
    animation_state.travel('Run')
    
func move_to_hole(delta):
    if hole_to_go_to == null:
        hole_to_go_to = find_nearest_hole()
        current_state = RUNNING
    var direction = (hole_to_go_to.global_position - global_position).normalized()
    velocity = velocity.move_toward(direction * MAX_SPEED, ACCELERATION * delta)
    velocity = move_and_slide(velocity)
    run_state()
    animation_tree.set("parameters/Run/blend_position", direction)
    
func drop_down_hole():
    queue_free()
    
func find_nearest_hole():
    var holes = get_parent().get_parent().get_node('RabbitHoles').get_children()
    var nearest_hole = holes[0]
    
    for hole in holes:
        var hole_pos_diff = self.position.distance_to(hole.position)
        var current_nearest_hole_diff = self.position.distance_to(nearest_hole.position)
        if hole_pos_diff < current_nearest_hole_diff:
            nearest_hole = hole
            
    return nearest_hole


# Solution? :/

func change_animation_blend_mode(velocity):
    var animation_blend_mode = Vector2.ZERO
    if velocity.x > 0:    
        animation_blend_mode.x = 1
    elif velocity.x < 0:
        animation_blend_mode.x = -1
    if velocity.y > 0:
        animation_blend_mode.y = 1    
    elif velocity.y < 0:
        animation_blend_mode.y = -1
    animation_tree.set("parameters/Run/blend_position", animation_blend_mode)