复制节点node
var orig = get_node("SomeNode")
var copy = orig.duplicate()
add_child(copy)
解析json
var d={}
var err = d.parse_json(json_string)
if (err!=OK):
print("error parsing json")
多维数组
var a =[[1,2],[3,4]]
本地存储
var gold = 150 # I have lots of gold!
var f = File.new()
var err=f.open("user://some_data_file",File.WRITE) #TODO: handle errors and such!
# Note: You could probably just use store_var() for many purposes
f.store_8(5) # store an integer
f.store_string("some gold") # store a string
f.store_var(gold) # store a variable
f.store_line("gold="+str(gold)) # store a line
f.close() # we're done writing data, close the file
读取本地文件
var my_num
var my_string
var my_gold
var save_file = "user://some_data_file"
var f = File.new()
if f.file_exists(save_file): # check if the file exists
f.open(save_file, File.READ) # try opening it with read access
if f.is_open(): # we opened it, let's read some data!
my_num = f.get_8() # retrieve the number
my_string = f.get_string() # retrieve the string
my_gold = f.get_var() # retrieve the gold variable
my_line = f.get_line()
f.close() # data's all here, close the file
print("Data loaded.") # debug message
else: # failed to open the file - maybe a permission issue?
print("Unable to read file!")
else: # file doesn't exist, probably set vars to some defaults, etc.
print("File does not exist.")
函数传参默认值
func my_function(my_param="default value"):
展示帧数 fps
extends Label # attach me to a label
func _ready():
set_process(true)
func _process(d):
set_text(str(OS.get_frames_per_second()))
画六边形
func _drawPolygon(pointArray):
var i = 1;
var colors = [
Color(0.5,0.5,0.5),
Color(0.5,0.5,0.5),
Color(0.5,0.5,0.5),
Color(0.5,0.5,0.5)
];
var uvs = [];
var prevpoint = null;
#Fill the polygon shape
draw_polygon(pointArray, colors, uvs);
#Then draw a circle at each point, and then lines between them
for p in pointArray: #for each point as "p" in the array points
draw_circle(p, 10, Color(1,1,1));
#Draw a circle at the point, with a radius of
#10 and the color white
#Check if this point was the first point, if it isn't,
#then draw a line from the previous point to this point
if prevpoint != null:
draw_line(prevpoint, p, Color(1,1,1),5)
prevpoint = p;
#^^set the prevpoint for the next loop
else:
prevpoint = p;
#check if the loop has reached the last point,
#then draw a line from the last point to the first point (points[0]
if i == points.size():
draw_line(p, pointArray[0], Color(1,1,1),5)
print("array end");
#Just to make sure we got all the way trough :)
i+=1;
#now increase the interval in order to keep checking if
#we're at then end of the array
全局变量
Globals.set("my_global", 6)
print ( Globals.get("my_global") )
退出游戏
get_scene().quit()
更改标签颜色
label.add_color_override("font_color", <desired_color>)
隐藏鼠标
Input.set_mouse_mode(Input.MOUSE_MODE_HIDDEN)
Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
将鼠标改为指定图片
func _ready():
Input.set_mouse_mode(Input.MOUSE_MODE_HIDDEN)
var cursor = load("res://cursor.png")
VisualServer.cursor_set_texture(cursor,Vector2(0,0),0)
VisualServer.cursor_set_visible(true, 0)
set_process_input(true)
func _input(ev):
if (ev.type == InputEvent.MOUSE_MOTION):
VisualServer.cursor_set_pos(ev.pos,0)
获取鼠标点击位置
_process方法
func _ready():
set_process(true)
func _process(delta):
if (Input.is_mouse_button_pressed(1)):
print("Left click: ", Input.get_mouse_pos())
if (Input.is_mouse_button_pressed(2)):
print("Right click: ", Input.get_mouse_pos())
if (Input.is_mouse_button_pressed(3)):
print("Middle click: ", Input.get_mouse_pos())
_input方法
func _ready():
set_process_input(true)
func _input(ev):
if (ev.type == InputEvent.MOUSE_BUTTON):
print("Mouse event:", ev.pos)
检测文件夹是否存在
# Checking if a directory exist in resource data directory
var res_dir = Directory.new()
if ( res_dir.dir_exists("res://my_dir") ):
print("res://my_dir exist!")
# Checking if a directory exist in user data directory
var user_dir = Directory.new()
user_dir.open("user://")
if ( user_dir.dir_exists("user://my_dir") ):
print("user://my_dir exist!")
# Checking if a directory exist in file system
var fs_dir = Directory.new()
fs_dir.open("")
if ( fs_dir.dir_exists("c:\\Windows") ): # guilty as charged -- marynate
print("c:\\Windows exist!")
获取变量类型
var a_var = 1
var type = typeof(a_var)
if (type==TYPE_INT):
print("it's an int")
elif (type==TYPE_REAL):
print("it's a float")
