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