178 lines
3.5 KiB
GDScript
178 lines
3.5 KiB
GDScript
extends Node2D
|
||
|
||
const StringUtils = preload("res://zfoo/util/StringUtils.gd")
|
||
|
||
# (optional) class definition with a custom icon
|
||
class_name MyClass, "res://icon.png"
|
||
|
||
|
||
|
||
# Member variables
|
||
# gds有5种基础类型，Boolean，Integer(Java long)，Float(Java double)，String，Null
|
||
|
||
# &&=and ||=or !=not
|
||
var a = (true or false) && true
|
||
var b = 9223372036854775807
|
||
var c = 1.5
|
||
var s = "Hello"
|
||
var arr = [1, 2, 3]
|
||
var dict = {
|
||
2: 3,
|
||
"key": "字符串作为key",
|
||
arr: "数组作为key"
|
||
}
|
||
var typed_var: int
|
||
var typed_var_float: float
|
||
var typed_var_bool: bool
|
||
var inferred_type: String = "String"
|
||
|
||
# Constants
|
||
|
||
const ANSWER = 42
|
||
const THE_NAME = "Charly"
|
||
|
||
# Enums
|
||
|
||
enum {LEFT, RRIGHT, FRONT, BACK}
|
||
# 等价于
|
||
# const LEFT = 0
|
||
# const RIGHT = 1
|
||
# const FRONT = 2
|
||
# const BACK = 3
|
||
enum FOOD {GOOD, NORMAL, BAD = -1}
|
||
|
||
# Built-in vector types
|
||
|
||
var v2 = Vector2(1, 2)
|
||
var v3 = Vector3(1, 2, 3)
|
||
|
||
func _init():
|
||
pass
|
||
|
||
static func getAnswer():
|
||
return ANSWER
|
||
|
||
func typeInfo():
|
||
var template = "[Variant:{}] [type:{}] [value:{}]"
|
||
print(StringUtils.format(template, [TYPE_BOOL, typeof(a), a]))
|
||
print(StringUtils.format(template, [TYPE_INT, typeof(b), b]))
|
||
print(StringUtils.format(template, [TYPE_INT, typeof(c), c]))
|
||
print(StringUtils.format(template, [TYPE_STRING, typeof(s), s]))
|
||
# print(StringUtils.format(template, [TYPE_ARRAY, typeof(arr), arr]))
|
||
print(StringUtils.format(template, [TYPE_DICTIONARY, typeof(dict), dict]))
|
||
print(StringUtils.format(template, [TYPE_DICTIONARY, typeof(FOOD), FOOD]))
|
||
print(StringUtils.format(template, [TYPE_DICTIONARY, typeof(FOOD.GOOD), FOOD.GOOD]))
|
||
# 在java中类似于this
|
||
print(self is Node)
|
||
print(a is Dog) # 类似于instanceof
|
||
|
||
func if_function(param1, param2):
|
||
if param1 < param2:
|
||
print(param1)
|
||
elif param2 > 5:
|
||
print(param2)
|
||
else:
|
||
print("Fail!")
|
||
|
||
|
||
func switch_function():
|
||
var local_var = 5
|
||
|
||
match local_var:
|
||
1:
|
||
print("match1")
|
||
2:
|
||
print("match2")
|
||
5:
|
||
print("match5")
|
||
# continue
|
||
6:
|
||
print("match6")
|
||
_:
|
||
print("match_")
|
||
|
||
|
||
func loop_function():
|
||
for i in range(20):
|
||
print(i)
|
||
|
||
var param = 10
|
||
while param != 0:
|
||
param -= 1
|
||
|
||
return param
|
||
|
||
# Function
|
||
func arrayIterator():
|
||
# range等价于for(int i = 0; i < 20; i++)
|
||
print("数组遍历方法1：")
|
||
for i in range(3):
|
||
print(i)
|
||
print("数组遍历方法2：")
|
||
for ele in arr:
|
||
print(ele)
|
||
print("数组遍历方法3：")
|
||
for index in range(arr.size()):
|
||
print(arr[index])
|
||
|
||
|
||
func dictionaryIterator():
|
||
print("字典遍历方法1：")
|
||
for key in dict:
|
||
print("key:" + key as String)
|
||
print("value:" + dict[key] as String)
|
||
|
||
print("字典遍历方法2：")
|
||
for key in dict.keys():
|
||
print("key:" + key as String)
|
||
print("value:" + dict[key] as String)
|
||
|
||
print("字典遍历方法3：")
|
||
for value in dict.values():
|
||
print("value:" + value as String)
|
||
|
||
|
||
|
||
|
||
func innerClassTest():
|
||
var dog = Dog.new(1)
|
||
dog.move()
|
||
|
||
dog.info()
|
||
dog.height = 2
|
||
dog.info()
|
||
|
||
# Inner class，默认继承Object
|
||
class Animal:
|
||
extends Object # 如果不指定继承的类，默认基础Object
|
||
const STATIC_FIELD = "静态变量"
|
||
# 属性
|
||
var height: int
|
||
|
||
func _init():
|
||
print("Animal 构造方法")
|
||
|
||
func move():
|
||
print("animal，移动")
|
||
|
||
static func staticFuction():
|
||
pass
|
||
|
||
class Dog:
|
||
extends Animal
|
||
|
||
# Constructor
|
||
func _init(height):
|
||
self.height = height
|
||
print("Dog 构造方法")
|
||
|
||
# Functions override functions with the same name on the base/parent class.
|
||
func move():
|
||
print("dog，用4个脚跑")
|
||
# If you still want to call them, use '.' (like 'super' in other languages).
|
||
.move()
|
||
|
||
func info(parm = 100):
|
||
print("height：" + height as String)
|
||
|