doc

doc/demo01_hello/hello.md

@@ -29,6 +29,7 @@ ue虽然开源源代码，但是代码量太大，历史包袱太重，不适合
 
 ```
 使用godot你既可以用GDScript去编写代码，也可以用C++去编写代码，还可以去改底层引擎代码
+游戏行业到最后都是C++，如果想把游戏当作自己的事业，那绝对不要满足在脚本上，游戏最后的优化都是基于硬件显卡之上的，只能用C++
 ```
 
 - 用godot你能感觉我能把控底层，我能把控每一行代码的底层细节，这个是程序员的浪漫，godot在国外比较火是有原因的
@@ -41,4 +42,5 @@ ue虽然开源源代码，但是代码量太大，历史包袱太重，不适合
 - unity在很久之前也同时支持过js和C#，最后放弃了js，主要是因为unity是mono和C#非常友好
 - godot使用C++去解释执行gds，这个时候对于godot来说比较重，推荐gds
 - 通过学习gds也可以学到一些编译原理的知识
-- godot不仅仅是一个游戏引擎，而且还是一个优质的学习资源
+- godot不仅仅是一个游戏引擎，而且还是一个优质的学习资源
+- https://www.zhihu.com/question/393440831

doc/demo02_base/base.md

@@ -1,17 +1,24 @@
 - 参考资料
 - [godot官方文档](https://docs.godotengine.org/en/stable/getting_started/scripting/gdscript/gdscript_basics.html)
-- [Godot Tutorials的youtube播放量最高的godot教程视频](https://www.youtube.com/watch?v=JJQa3xrRNM0&list=PLJ690cxlZTgL4i3sjTPRQTyrJ5TTkYJ2_)
+- [Godot Tutorials的GDScript Fundamentals Tutorial Series，youtube播放量最高的godot教程视频](https://www.youtube.com/watch?v=JJQa3xrRNM0&list=PLJ690cxlZTgL4i3sjTPRQTyrJ5TTkYJ2_)
+- [Godot Tutorials的Godot Basics Tutorial Series，youtube播放量最高的godot教程视频](https://www.youtube.com/watch?v=sChM51ibm5k&list=PLJ690cxlZTgIsmdEhFufnB7O6KWoMS8M6)
 - [B站视频](https://www.bilibili.com/video/BV17g4y1z7uS)
 
 # 数据类型
 - gds有5种基础类型
     - Boolean，Integer(Java long)，Float(Java double)，String，Null
 
-![Image text](integer.JPG)
-![Image text](integer_overflow.JPG)
-![Image text](gc.JPG)
-![Image text](step.JPG)
-
+![Image text](image/integer.JPG)
+![Image text](image/integer_overflow.JPG)
+![Image text](image/step.JPG)
+
+
+# 垃圾回收
+
+![Image text](image/gc.JPG)
+![Image text](image/gc1.png)
+![Image text](image/gc2.png)
+![Image text](image/gc3.png)
 
 
 

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-![Image text](./godot_node.jpg)
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+![Image text](image/场景帧.png)
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+![Image text](image/godot_lifecycle.jpg)
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+[deps]
+
+source_file="res://doc/demo05_scene_node/image/component2.png"
+dest_files=[ "res://.import/component2.png-02438ddc3566bd64199cba25f509171f.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/image/component3.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/component3.png-e2e3aef9bbb5a8e0d59937c323e75c96.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo05_scene_node/image/component3.png"
+dest_files=[ "res://.import/component3.png-e2e3aef9bbb5a8e0d59937c323e75c96.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/image/component4.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/component4.png-bcbe335fca7b1a1e0ff653b967054cf0.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo05_scene_node/image/component4.png"
+dest_files=[ "res://.import/component4.png-bcbe335fca7b1a1e0ff653b967054cf0.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/image/component5.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/component5.png-e232bac21600f8aad9b90d6e61d0869d.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo05_scene_node/image/component5.png"
+dest_files=[ "res://.import/component5.png-e232bac21600f8aad9b90d6e61d0869d.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/image/场景.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/场景.png-7f14201406e86b2c1d0ba5c1fb89a726.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo05_scene_node/image/场景.png"
+dest_files=[ "res://.import/场景.png-7f14201406e86b2c1d0ba5c1fb89a726.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/image/坐标系-godot-1.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/坐标系-godot-1.png-b9dfb88e50a51646aec5b1bca8dd901b.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo05_scene_node/image/坐标系-godot-1.png"
+dest_files=[ "res://.import/坐标系-godot-1.png-b9dfb88e50a51646aec5b1bca8dd901b.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/image/坐标系-godot-4个象限.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/坐标系-godot-4个象限.png-47092e2d3ef1fb607296ce2a91696203.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo05_scene_node/image/坐标系-godot-4个象限.png"
+dest_files=[ "res://.import/坐标系-godot-4个象限.png-47092e2d3ef1fb607296ce2a91696203.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/image/坐标系-ps.JPG.import

@@ -2,15 +2,15 @@
 
 importer="texture"
 type="StreamTexture"
-path="res://.import/integer_overflow.JPG-08e89d4444868183c3be1155d3451030.stex"
+path="res://.import/坐标系-ps.JPG-e90c99294ebd56598afae2b5db793ff2.stex"
 metadata={
 "vram_texture": false
 }
 
 [deps]
 
-source_file="res://doc/demo02_base/integer_overflow.JPG"
-dest_files=[ "res://.import/integer_overflow.JPG-08e89d4444868183c3be1155d3451030.stex" ]
+source_file="res://doc/demo05_scene_node/image/坐标系-ps.JPG"
+dest_files=[ "res://.import/坐标系-ps.JPG-e90c99294ebd56598afae2b5db793ff2.stex" ]
 
 [params]
 

doc/demo05_scene_node/image/坐标系.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/坐标系.png-8f9d049adb143c879b7a19c22253ff65.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo05_scene_node/image/坐标系.png"
+dest_files=[ "res://.import/坐标系.png-8f9d049adb143c879b7a19c22253ff65.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/image/节点.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/节点.png-caccd57bbbfafdce9e2636439f7a3f30.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo05_scene_node/image/节点.png"
+dest_files=[ "res://.import/节点.png-caccd57bbbfafdce9e2636439f7a3f30.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/image/节点渲染顺序.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/节点渲染顺序.png-399ad5898925e3419def2ff658ef0991.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://doc/demo05_scene_node/image/节点渲染顺序.png"
+dest_files=[ "res://.import/节点渲染顺序.png-399ad5898925e3419def2ff658ef0991.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

doc/demo05_scene_node/scene_node.md

@@ -0,0 +1,34 @@
+# 坐标系
+
+![Image text](image/坐标系.png)
+![Image text](image/坐标系-godot-1.png)
+![Image text](image/坐标系-godot-4个象限.png)
+![Image text](image/坐标系-ps.JPG)
+
+```
+因为刚开始的时候有点疑惑，godot的坐标系，原点既然在左上角。unity，cocos的2d原点都在左下角，左下角的2d坐标系感觉很复合习惯。
+unity的坐标系就很符合数学里面的象限，刚开始有点不适应。
+
+后来了解到，计算机屏幕是从左上角开始刷新的，2d坐标系左上角为原点可以屏幕坐标系吻合可以提升一点效率。  
+
+unity的2d坐标系虽然在左下角，但是unity的屏幕坐标系依然在左上角，不统一。
+虽然godot的2d坐标系在左上角的坐标系刚开始看不舒服，但是和屏幕坐标系吻合了，也算一种统一，就不需要untiy2d的那么多概念了，为godot点赞。
+
+因为单论平面内容制作，左上原点更符合视觉习惯，也更符合设计常识，比如ps。
+```
+
+# 场景和节点
+
+![Image text](image/场景.png  )
+![Image text](image/节点.png)
+![Image text](image/节点渲染顺序.png)
+- 一个游戏可以包含多个场景，但是一个场景中必须有一个根节点，一个根节点可以包含多个不重名的子节点（unity的子节点可以同名），不同名更加符合习惯，为godot点赞。
+
+
+# 基本组件
+
+![Image text](./image/component1.png)
+![Image text](./image/component2.png)
+![Image text](./image/component3.png)
+![Image text](./image/component4.png)
+![Image text](./image/component5.png)

scene/demo05_scene_node/SceneNode.tscn

@@ -0,0 +1,11 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://script/demo06_scene_node/hero.gd" type="Script" id=1]
+[ext_resource path="res://icon.png" type="Texture" id=2]
+
+[node name="Node2D" type="Node2D"]
+
+[node name="Hero" type="Sprite" parent="."]
+position = Vector2( 477.791, 270.893 )
+texture = ExtResource( 2 )
+script = ExtResource( 1 )

scene/demo_test/DemoTest.tscn

@@ -1,6 +1,11 @@
-[gd_scene load_steps=2 format=2]
+[gd_scene load_steps=3 format=2]
 
 [ext_resource path="res://script/demo_test/demoTest.gd" type="Script" id=1]
+[ext_resource path="res://icon.png" type="Texture" id=2]
 
 [node name="Node2D" type="Node2D"]
 script = ExtResource( 1 )
+
+[node name="icon" type="Sprite" parent="."]
+position = Vector2( 410.547, 444.333 )
+texture = ExtResource( 2 )

script/demo02_base/base.gd

@@ -37,7 +37,7 @@ func _ready():
 	myClass.innerClassTest()
 
 	print("垃圾回收--------------------------------")
-	# 如果一个类没有指明继承哪个类，则默认继承Reference（可以被自动的垃圾回收，类似其他语言的那种垃圾回收）
+	# 如果一个类没有指明继承哪个类，则默认继承Reference（可以被自动的垃圾回收，类似其他语言的那种垃圾回收），非常重要的知识点
 	for i in range(10000):
 		var instance = MyClass.new()
 		arr.append(instance)

script/demo06_scene_node/hero.gd

@@ -0,0 +1,36 @@
+extends Sprite
+
+
+var gameWidth: int
+var gameHeight: int
+var spriteWidth: int
+var spriteHeight: int
+	
+func _physics_process(delta):
+	setupSprite()
+	setupGameWindow()	
+	positionTopCenter()
+
+func setupSprite():
+	spriteWidth = texture.get_width()
+	spriteHeight = texture.get_height()
+
+func setupGameWindow():
+	gameWidth = OS.window_size.x
+	gameHeight = OS.window_size.y
+	
+func positionTopCenter() -> void:
+	self.position.x = gameWidth / 2
+	self.position.y = spriteHeight / 2
+
+func positionCenter() -> void:
+	self.position.x = gameWidth / 2
+	self.position.y = gameHeight / 2
+
+func positionBottomCenter() -> void:
+	self.position.x = gameWidth / 2
+	self.position.y = gameHeight - spriteHeight / 2
+
+func positionLeftCenter() -> void:
+	self.position.x = spriteWidth / 2
+	self.position.y = gameHeight / 2

util/RandomUtils.gd

@@ -38,3 +38,6 @@ static func randomIntRange(from: int, to: int) -> int:
 		return 0
 	
 	return getRandom().randi_range(from, to - 1)
+
+static func randomEle(array: Array):
+	return array[randomIntLimit(array.size())]