Demo refinements

Sources/FirebladeECS/Timer.swift

@@ -7,13 +7,13 @@
 
 import Darwin.Mach.mach_time
 
-struct Timer {
+public struct Timer {
 	private let numerator: UInt64
 	private let denominator: UInt64
 	private var startTime: UInt64 = 0
 	private var stopTime: UInt64 = 0
 
-	init() {
+	public init() {
 		var timeBaseInfo = mach_timebase_info.init(numer: 0, denom: 0 )
 		let success: kern_return_t = mach_timebase_info(&timeBaseInfo)
 		assert(KERN_SUCCESS == success)
@@ -21,30 +21,30 @@ struct Timer {
 		denominator = UInt64(timeBaseInfo.denom)
 	}
 
-	mutating func start() {
+	public mutating func start() {
 		startTime = mach_absolute_time()
 	}
-	mutating func stop() {
+	public mutating func stop() {
 		stopTime = mach_absolute_time()
 	}
-	mutating func reset() {
+	public mutating func reset() {
 		startTime = 0
 		stopTime = 0
 	}
 
-	var nanoSeconds: UInt64 {
+	public var nanoSeconds: UInt64 {
 		return ((stopTime - startTime) * numerator) / denominator
 	}
 
-	var microSeconds: Double {
+	public var microSeconds: Double {
 		return Double(nanoSeconds) / 1.0e3
 	}
 
-	var milliSeconds: Double {
+	public var milliSeconds: Double {
 		return Double(nanoSeconds) / 1.0e6
 	}
 
-	var seconds: Double {
+	public var seconds: Double {
 		return Double(nanoSeconds) / 1.0e9
 	}
 }

Sources/FirebladeECSDemo/main.swift

@@ -1,6 +1,7 @@
 import CSDL2
 import FirebladeECS
-
+var tSetup = Timer()
+tSetup.start()
 if SDL_Init(SDL_INIT_VIDEO) != 0 {
 	fatalError("could not init video")
 }
@@ -130,10 +131,31 @@ let positionResetSystem = PositionResetSystem()
 let renderSystem = RenderSystem(hWin: hWin)
 let colorSystem = ColorSystem()
 
-createScene()
+func printHelp() {
+	let help: String = """
+	================ FIREBLADE ECS DEMO ===============
+	press:
+	ESC		quit
+	c		change all colors (random)
+	r		reset all positions (to center)
+	s		stop movement
+	+		increase movement speed
+	-		reduce movement speed
+	space	reset to default movement speed
+	"""
+	print(help)
+}
 
+createScene()
+tSetup.stop()
+print("[SETUP]: took \(tSetup.milliSeconds)ms")
+var tRun = Timer()
+printHelp()
+
+tRun.start()
 var event: SDL_Event = SDL_Event()
 var quit: Bool = false
+print("================ RUNNING ================")
 while quit == false {
 	while SDL_PollEvent(&event) == 1 {
 		switch SDL_EventType(rawValue: event.type) {
@@ -172,3 +194,5 @@ while quit == false {
 
 SDL_DestroyWindow(hWin)
 SDL_Quit()
+tRun.stop()
+print("[RUN]: took \(tRun.seconds)s")