Emgu face detect

Ref: http://www.codeproject.com/Articles/462527/Camera-Face-Detection-in-Csharp-Using-Emgu-CV-Open

ASUS X450 J with Windows 10 x64 Education
Visual Studio 2015 (update 1)

1. 測試程式
1.1 下載 emgu 3.1.0.0 版  失敗
emgu.cv.dll 已併入 emgu.cv.world.dll ... 其他原因待測試

2 emgucv-windows-universal-cuda 2.9.0.1922 OK
2.1 下載 emgu 解壓縮.
2.2 下載 code Project 程式解壓縮
2.3  Visual Studio 2015 開啟專案
2.4 重新加入參考
      emgu.cv
      emgu.cv.util
      emgu.cv.ui
2.5 修改專案屬性建置輸出為
      D:\Emgu\emgucv-windows-universal-cuda 2.9.0.1922\bin
      (emgy解壓縮路徑)

3 測試OK。

Mac lua tutorial 2 (http server)

Ref http://lua-users.org/wiki/CopasExample

1. Macbook pro (OS X EI Captian 10.11.5)
2. lua 5.2.4
    brew install lua 
    注意 : 下載 lua 5.3.3 for Mac 
    Download lua for Mac 5.3.3
    http://luabinaries.sourceforge.net/download.html
3. 安裝copas
     luarocks install copas
4. 安裝 socket
     sudo luarocks install luasocket
5.  參考範例備妥 luaCopasEx3.lua
-- Ref http://lua-users.org/wiki/CopasExample
-- Test OK 2016/8/18
-- luaCopasEx3.lua
-- lua -E luaCopasEx3.lua
local socket = require("socket")
local copas = require("copas")
function handler(c, host, port)
local peer = host .. ":" .. port
print("connection from", peer)
c:send("Hello 中文試試看\r\n")
print("data from", peer, (c:receive"*l"))
end
copas.addserver(assert(socket.bind("*",2220)),
                function(c) return handler(copas.wrap(c), c:getpeername()) end
)

copas.loop()
6. 結果

Youtube 直播 (Mac)

Macbook pro (OS X EI Captian 10.11.5)
1. 下載 OBS
https://obsproject.com/download#mac
2. 安裝 OBS
3. 設定場景，來源

4. Chrome 啟用Youtube (記得要登入)
5. 選擇我的頻道
6. 進入影片管理員

7. 選擇即時串流(設定標題，紀錄伺服器網址url，金鑰)

8. 回到OBS設定(Preference)

9. 在串流選擇
9.1 串流類型：自訂串流伺服器
9.2 將youtube url / 串流金鑰 依序設定

10. 回到OBS主視窗右下角，開始串流
...
11. 回到OBS主視窗右下角，停止串流

Mac lua tutorial - 1 (Hello world)

Macbook pro (OS X EI Captian 10.11.5)
lua-5.3.3-0.pkg 2016-06-06 0.43
1. lua Hello world
1.1 準備 luaHello.lua
-- luaHello.lua
-- lua -E luaHello.lua
print ("Hello World!")
1.2 執行 (@bash) lua -E luaHello.lua

2. lua function
2.1 準備檔案
-- luaFunction.lua
-- lua -E luaFunction.lua
foo = function () print("hello") end -- declare the function

foo() -- call the function
2.2 執行

3. lua IO

3.1 準備檔案
-- luaIO.lua
-- lua -E luaIO.lua
print ("enter a integer for n ")
n=io.read("*n") --not *number
if  (n<0)   then return 1 end

sum = 0
i = 1 --0 has no effect :)?
while (i<=n) do
    sum = sum + i^2
    i = i + 1
end

print(sum)
3.2 執行

Mac lua compiler installation

Ref: 1. http://rudamoura.com/luaonmacosx.html
        2. http://rudix.org/packages/lua.html
Macbook pro (OS X EI Captian 10.11.5)

1. Download lua compiler
El Capitan (10.11) lua-5.3.3-0.pkg 2016-06-06 0.43
2. 執行  lua-5.3.3-0;pkg (需輸入密碼)
3. 進入終端機模式(bash)
4. lua

Mac 3D graphic by game template (III) Create 3D objects by DAE file

Ref: 1. http://stackoverflow.com/questions/25356301/how-do-you-load-a-dae-file-into-an-scnnode-in-ios-scenekit
        2. https://www.weheartswift.com/introduction-scenekit-part-2/
Macbook pro (OS X EI Captian 10.11.5)

Xcode 7.3.1案例以Game Template 開始，移除原範本加入的Ship與動畫(Animation)，再參考Ref1 將匯入的DAE檔案轉為node物件，再加入至場景內
1. 開啟遊戲範本專案
2. GameViewController.swft2.1 關閉ship節點與“動畫”指令
2.2 參考Ref1將DAE檔案轉為節點，並加入場景
...

        // create a new scene

        //let scene = SCNScene(named: "art.scnassets/ship.scn")!

        let scene = SCNScene();

        //-- 2016-8-10

        var nodeS = SCNNode()

        let sceneS = SCNScene(named: "mug.dae")

        var nodeArrayS = sceneS!.rootNode.childNodes

        

        for childNode in nodeArrayS {

            nodeS.addChildNode(childNode as SCNNode)

        }

        scene.rootNode.addChildNode(nodeS)

        // create and add a camera to the scene

        let cameraNode = SCNNode()

...

3. 結果

4. 參考Ref1，將DAE轉換node動作轉為方法．

class GameViewController: UIViewController {

    //----- Def DAE2Node方法

    func collada2SCNNode(filepath:String) -> SCNNode {

    var node = SCNNode()

    let scene = SCNScene(named: filepath)

    var nodeArray = scene!.rootNode.childNodes

    

    for childNode in nodeArray {

    node.addChildNode(childNode as SCNNode)

    }

    return node

    }

    //------

    override func viewDidLoad() {

        super.viewDidLoad()

...

//-- 2016-8-10-B

        /*

        var nodeS = SCNNode()

        let sceneS = SCNScene(named: "mug.dae")

        var nodeArrayS = sceneS!.rootNode.childNodes

        

        for childNode in nodeArrayS {

            nodeS.addChildNode(childNode as SCNNode)

        }

        */

        let nodeS = collada2SCNNode("mug.dae")

        

        scene.rootNode.addChildNode(nodeS)

...

5. 用迴圈呼叫方法，產生系列3D物件
...
*/

for zz in 1...3 {

        let nodeS = collada2SCNNode("mug.dae")

        nodeS.position = SCNVector3(x:0, y:0, z:Float(zz)*3)

        scene.rootNode.addChildNode(nodeS)

        }

...
6. 結果

Mac 3D graphic by game template (II) Create 3D objects by loop

Ref: https://www.weheartswift.com/introduction-scenekit-part-2/
Macbook pro (OS X EI Captian 10.11.5)
Xcode 7.3.1案例以Game Template 開始，移除原範本加入的Ship與動畫(Animation)，再參考範例以迴圈加入內建3D物件

• Box
• Capsule
• Cone
• Cylinder
• Plane
• Pyramid
• Sphere
• Torus
• Tube

進階

• Floor
• Shape
• Text

1. 開啟遊戲範本專案
2. GameViewController.swft

override func viewDidLoad() {

        super.viewDidLoad()

        

        // create a new scene

        //let scene = SCNScene(named: "art.scnassets/ship.scn")! 移除Ship

        let scene = SCNScene(); //建立空白場景

        // 建立內建3D物件

        var geometries = [SCNSphere(radius: 1.0),

                          SCNPlane(width: 1.0, height: 1.5),

                          SCNBox(width: 1.0, height: 1.5, length: 2.0, chamferRadius: 0.0),

                          SCNPyramid(width: 2.0, height: 1.5, length: 1.0),

                          SCNCylinder(radius: 1.0, height: 1.5),

                          SCNCone(topRadius: 0.5, bottomRadius: 1.0, height: 1.5),

                          SCNTorus(ringRadius: 1.0, pipeRadius: 0.2),

                          SCNTube(innerRadius: 0.5, outerRadius: 1.0, height: 1.5),

                          SCNCapsule(capRadius: 0.5, height: 2.0)]

        var x:Float = 0.0

        for index in 0..<geometries.count {

            

            let hue:CGFloat = CGFloat(index) / CGFloat(geometries.count)

            let color = UIColor(hue: hue, saturation: 1.0, brightness: 1.0, alpha: 1.0)

            

            let geometry = geometries[index]

            geometry.firstMaterial?.diffuse.contents = color

            

            let node = SCNNode(geometry: geometry)

            node.position = SCNVector3(x: x, y: 0.0, z: 0.0)

            

            scene.rootNode.addChildNode(node)

            

            x += 2.5

        }

        // create and add a camera to the scene

        let cameraNode = SCNNode()

        cameraNode.camera = SCNCamera()

        scene.rootNode.addChildNode(cameraNode)

        

        // place the camera

        cameraNode.position = SCNVector3(x: 0, y: 0, z: 15)

        

        // create and add a light to the scene

        let lightNode = SCNNode()

        lightNode.light = SCNLight()

        lightNode.light!.type = SCNLightTypeOmni

        lightNode.position = SCNVector3(x: 0, y: 10, z: 10)

        scene.rootNode.addChildNode(lightNode)

        

        // create and add an ambient light to the scene

        let ambientLightNode = SCNNode()

        ambientLightNode.light = SCNLight()

        ambientLightNode.light!.type = SCNLightTypeAmbient

        ambientLightNode.light!.color = UIColor.darkGrayColor()

        scene.rootNode.addChildNode(ambientLightNode)

        

        // retrieve the ship node

        //let ship = scene.rootNode.childNodeWithName("ship", recursively: true)!

        

        // animate the 3d object

        //ship.runAction(SCNAction.repeatActionForever(SCNAction.rotateByX(0, y: 2, z: 0, duration: 1)))

...

3. 結果：

4. 加入動畫(可在加入3D物件進入場景前設定)

if index == 0 {

                // Animation

                let moveUp = SCNAction.moveByX(0.0, y: 1.0, z: 0.0, duration: 1.0)

                let moveDown = SCNAction.moveByX(0.0, y: -1.0, z: 0.0, duration: 1.0)

                let sequence = SCNAction.sequence([moveUp,moveDown])

                node.runAction(SCNAction.repeatActionForever(sequence))

                //let moveUp = SCNAction.moveByX(0.0, y: 1.0, z: 0.0, duration: 1.0)

                //node.runAction(SCNAction.repeatActionForever(moveUp))

            }

 scene.rootNode.addChildNode(node)

Mac 3D graphic by game template

Ref: https://www.weheartswift.com/introduction-scenekit-part-1/
Macbook pro (OS X EI Captian 10.11.5)
Xcode 7.3.1
案例以Game Template 開始，移除原範本加入的Ship與動畫(Animation)，再參考範例加入3D物件
1. 開啟遊戲範本專案
2. GamViewController.swift

class GameViewController: UIViewController {

    override func viewDidLoad() {

        super.viewDidLoad()

        

        // create a new scene 1.3 移除 ship 物件

        // let scene = SCNScene(named: "art.scnassets/ship.scn")!

        // 1.4 add Empty SCNScene 建置空場景

        let scene = SCNScene()

        // 1.5 加入圓

        let sphereGeometry = SCNSphere(radius: 1.0)

        sphereGeometry.firstMaterial?.diffuse.contents = UIColor.orangeColor()

        let sphereNode = SCNNode(geometry: sphereGeometry)

        scene.rootNode.addChildNode(sphereNode)

        

        // create and add a camera to the scene  0.1 加入相機

        let cameraNode = SCNNode()

        cameraNode.camera = SCNCamera()

        scene.rootNode.addChildNode(cameraNode)

        

        // place the camera

        cameraNode.position = SCNVector3(x: 0, y: 0, z: 15)

        

        // create and add a light to the scene 0.2 加入Omni光源

        let lightNode = SCNNode()

        lightNode.light = SCNLight()

        lightNode.light!.type = SCNLightTypeOmni

        lightNode.position = SCNVector3(x: 0, y: 10, z: 10)

        scene.rootNode.addChildNode(lightNode)

        

        // create and add an ambient light to the scene

        let ambientLightNode = SCNNode()

        ambientLightNode.light = SCNLight()

        ambientLightNode.light!.type = SCNLightTypeAmbient

        ambientLightNode.light!.color = UIColor.darkGrayColor()

        scene.rootNode.addChildNode(ambientLightNode)

        

        // retrieve the ship node 1.1 移除 ship 動畫

        //let ship = scene.rootNode.childNodeWithName("ship", recursively: true)!

        

        // animate the 3d object 1.2 移除 ship 動畫

        //ship.runAction(SCNAction.repeatActionForever(SCNAction.rotateByX(0, y: 2, z: 0, duration: 1)))

        

        // retrieve the SCNView

        let scnView = self.view as! SCNView

        

        // set the scene to the view

        scnView.scene = scene

        

        // allows the user to manipulate the camera

        scnView.allowsCameraControl = true

        

        // show statistics such as fps and timing information

        scnView.showsStatistics = true

        

        // configure the view

        scnView.backgroundColor = UIColor.blackColor()

        

        // add a tap gesture recognizer

        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(handleTap(_:)))

        scnView.addGestureRecognizer(tapGesture)

    }

3. Result

Mac 3D graphic w/o game template

Ref: https://www.weheartswift.com/introduction-scenekit-part-1/
Macbook pro (OS X EI Captian 10.11.5)
Xcode 7.3.1
案例以Single View Template 始，依序加入SceneKit Framework, PrimitivesScene.swift(建置繼承SCNView       類別的PrimitivesScene類別)，在PrimitivesScene類別建構元方法中建置3D物件，在ViewController的載入方法(viewDidLoad)中加入以PrimitivesScene類別建置的場景物件與，相機等物件．細部步驟：
1. Open New SingleView
2. 加入SceneKit Framework
   2.1 選取專案目標(Target)
   2.2 選取  Build Phases
   2.3 在Link Binary With Libraries 選取+ (加入程式庫)
   2.4 搜尋SceneKit.framework

3. 專案中建立新類別(加入檔案 PrimitivesScene.swift)

空白檔案僅有 import Foundation

import Foundation

//---- 依序建立繼承SCNScene類別的場景類別

import SceneKit

// 3.1. Add class  繼承 SCNScene

class PrimitivesScene : SCNScene {

// 3.2. Add init() method and required ... (auto fixed)

    override init() {

        super.init()

// 3.3. Add  圓

        let sphereGeometry = SCNSphere(radius: 0.5)

        let sphereNode = SCNNode(geometry: sphereGeometry)

        self.rootNode.addChildNode(sphereNode)

// 3.4. Add 2nd circle

        let secondSphereGeometry = SCNSphere(radius: 1.0)

        let secondSphereNode = SCNNode(geometry: secondSphereGeometry)

        secondSphereNode.position = SCNVector3(x: 3.0, y: 0.0, z: 0.0)

        self.rootNode.addChildNode(secondSphereNode)

        

    }

    // 3.1.2 選取自動修正產生

    required init?(coder aDecoder: NSCoder) {

        fatalError("init(coder:) has not been implemented")

    }

    

    

}

3.5 3.2-3.4 可先測試完再依序加入

4. viewController.swift 建置程序

// 4.2.配合MVC的方式，先在 Main.storyboard 加入 Scene Kit View 物件

import UIKit

// 4.1. Add import

import SceneKit

class ViewController: UIViewController {

// 4. 3, 以輔助視窗將(View)Main.storyboad的控制項連結至(Control)類別

//          Connect Scene Kit View

    @IBOutlet weak var scnview: SCNView!

    override func viewDidLoad() {

        super.viewDidLoad()

// Do any additional setup after loading the view, typically from a nib.

//  4.2-4.3 取代原範例       let scnview = self.view as! SCNView 

        scnview.scene = PrimitivesScene()

        scnview.backgroundColor = UIColor.blackColor()

        scnview.autoenablesDefaultLighting = true

        scnview.allowsCameraControl = true

    }

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

}

5. Result

iPhone 模擬器雙指動作

Ref:http://stackoverflow.com/questions/13275832/how-to-mimic-two-finger-scroll-drag-gesture-on-ios-simulator
Macbook pro (OS X EI Captian 10.11.5)
Xcode 7.3.1
1. Alt鍵 + 滑鼠 (Zoom)
2. Alt+ Shift 鍵 + 滑鼠 (Pan)

Mac OSX Game 2

Ref:https://www.raywenderlich.com/119815/sprite-kit-swift-2-tutorial-for-beginners
Macbook pro (OS X EI Captian 10.11.5)
Xcode 7.3.1
1. 準備ninja.png monster.png
2. 開啟新Game專案
3. 取消Portrait設定
4. 刪除 GameScene.sks (本例不需)
5. 開啟Assets.xcassets
    載入 ninja.png, monster.png
6. 開啟GameScene.swift
     以程式加入小圖片(Sprite)  
7. 加入ninja.png (name : player)
         // 1
        let player = SKSpriteNode(imageNamed: "Player")

        override func didMoveToView(view: SKView) {

        // 2

        backgroundColor = SKColor.whiteColor()

        // 3

        player.position = CGPoint(x: size.width * 0.1, y: size.height * 0.5)

        // 4

        addChild(player)

8. 以程式加入 monster

    //----- 2016.8.3

        runAction(SKAction.repeatActionForever(

            SKAction.sequence([

                SKAction.runBlock(addMonster),

                SKAction.waitForDuration(1.0)

                ])

            ))

    //-----

9. 加入mouseDown (iOS 用touchesEnded )

   //------

    override func mouseDown(theEvent: NSEvent) {

        

        // 1 - Choose one of the touches to work with

        //guard let touch = touches.first else {

        //    return

        //}

        let touchLocation = theEvent.locationInNode(self); //touch.locationInNode(self)

        ....

10. Result