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godot-mota/scripts/PlayerKinematicBody2D.gd
2020-07-23 15:47:32 +08:00

54 lines
1.6 KiB
GDScript

tool
extends KinematicBody2D
class_name PlayerKinematicBody2D
export(NodePath) var navigation_tile_map_path : NodePath
var navigation_tile_map : NavigationTileMap
var navigation_rect : Rect2
onready var array_tween : ArrayTween = $ArrayTween
onready var animation_tree : AnimationTree = $AnimationTree
# 初始化导航相关数据
func _ready():
if not navigation_tile_map_path.is_empty():
navigation_tile_map = get_node(navigation_tile_map_path)
navigation_rect = navigation_tile_map.get_used_rect()
navigation_rect.position *= navigation_tile_map.cell_size
navigation_rect.size *= navigation_tile_map.cell_size
# 监听屏幕点击事件
func _input(event):
if event is InputEventMouseButton and event.is_pressed() and navigation_tile_map != null:
if not navigation_rect.has_point(event.position):
return
var astar = navigation_tile_map.astar
var start_id = astar.get_closest_point(position)
var end_id = astar.get_closest_point(event.position)
var paths = astar.get_point_path(start_id,end_id)
animation_tree.active = true
array_tween.interpolate_array(paths)
func _on_ArrayTween_array_completed():
animation_tree.active = false
func _on_ArrayTween_array_value_step(step):
var diff = step - position
animation_tree["parameters/player/blend_position"] = diff
var result = move_and_collide(diff)
call_collider(result)
# 调用被碰撞对象的方法
func call_collider(collision:KinematicCollision2D):
if collision == null or collision.collider == null:
return
var collider = collision.collider
if collider is TileMap:
return
if collider.has_method("on_player_touched"):
collider.on_player_touched()