FlxSkewedSprite: bigger hd grass graphics (#312)

* bigger hd grass graphics

* fix flash

Author: Geokureli

Effects/FlxSkewedSprite/Project.xml

@@ -16,7 +16,7 @@
 	<!-- ____________________________ Window Settings ___________________________ -->
 
 	<!--These window settings apply to all targets-->
-	<window width="300" height="200" fps="60" background="#000000" hardware="true" vsync="false" />
+	<window width="600" height="200" fps="60" background="#000000" hardware="true" vsync="false" />
 
 	<!--HTML5-specific-->
 	<window if="html5" resizable="false" />

Effects/FlxSkewedSprite/assets/grass.png

@@ -1,45 +1,41 @@
 package;
 
-import flixel.addons.effects.FlxSkewedSprite;
 import flixel.FlxG;
+import flixel.addons.effects.FlxSkewedSprite;
 
 /**
  * @author Zaphod
  */
 class Grass extends FlxSkewedSprite
 {
-	public var maxSkew:Float = 30;
-	public var minSkew:Float = -30;
-	public var skewSpeed:Float = 15;
-
-	var _skewDirection:Int = 1;
-
-	public function new(X:Float = 0, Y:Float = 0, Frame:Int = 0, StartSkew:Float = 0)
+	static public inline var SKEW_MAX = 10;
+	static public inline var SKEW_MIN = -30;
+	static public inline var SKEW_FREQ = 1.3;
+	
+	var time:Float;
+	
+	public function new(x = 0.0, y = 0.0, frame = 0, timeOffset = 0.0)
 	{
-		super(X, Y);
-
-		loadGraphic("assets/grass.png", true, 300, 28);
-		animation.frameIndex = Frame;
-
+		this.time = timeOffset * SKEW_FREQ;
+		super(x, y);
+		
+		if (frame < 0)
+			loadGraphic("assets/grass.png");
+		else
+		{
+			loadGraphic("assets/grass.png", true, 600, 56);
+			animation.frameIndex = frame;
+		}
+		
+		origin.set(0, height);
 		antialiasing = true;
-		skew.x = StartSkew;
 	}
-
+	
 	override public function update(elapsed:Float):Void
 	{
 		super.update(elapsed);
-
-		skew.x += _skewDirection * skewSpeed * elapsed;
-
-		if (skew.x > maxSkew)
-		{
-			skew.x = maxSkew;
-			_skewDirection = -1;
-		}
-		else if (skew.x < minSkew)
-		{
-			skew.x = minSkew;
-			_skewDirection = 1;
-		}
+		time += elapsed;
+		
+		skew.x = SKEW_MIN + (Math.cos(time / SKEW_FREQ * Math.PI) + 1) / 2 * (SKEW_MAX - SKEW_MIN);
 	}
 }

Effects/FlxSkewedSprite/source/Grass.hx

@@ -8,6 +8,6 @@ class Main extends Sprite
 	public function new()
 	{
 		super();
-		addChild(new FlxGame(300, 200, PlayState));
+		addChild(new FlxGame(0, 0, PlayState));
 	}
 }

Effects/FlxSkewedSprite/source/Main.hx

@@ -1,6 +1,7 @@
 package;
 
 import flixel.FlxG;
+import flixel.FlxSprite;
 import flixel.FlxState;
 import flixel.util.FlxColor;
 
@@ -12,18 +13,27 @@ class PlayState extends FlxState
 	override public function create():Void
 	{
 		FlxG.mouse.visible = false;
-
+		
 		// Sky-colored background
-		FlxG.cameras.bgColor = FlxColor.CYAN;
-
-		var grassY:Int = FlxG.height - 28;
-
-		var grass1:Grass = new Grass(0, grassY, 0, 0);
-		var grass2:Grass = new Grass(0, grassY, 1, -5);
-		var grass3:Grass = new Grass(0, grassY, 2, 5);
-
-		add(grass1);
-		add(grass2);
-		add(grass3);
+		FlxG.cameras.bgColor = 0xFF4D9BD3;
+		
+		var bottom = new FlxSprite();
+		bottom.makeGraphic(FlxG.width, 5, 0xFF161b3a);
+		bottom.y = FlxG.height - bottom.height;
+		add(bottom);
+		
+		var grass:Grass;
+		
+		// add(grass = new Grass(0, 0, -1, 0));
+		// grass.y = FlxG.height - grass.height;
+		
+		add(grass = new Grass(0, 0, 0, 0));
+		grass.y = bottom.y - grass.height;
+		
+		add(grass = new Grass(0, 0, 1, -0.2));
+		grass.y = bottom.y - grass.height;
+		
+		add(grass = new Grass(0, 0, 2, 0.2));
+		grass.y = bottom.y - grass.height;
 	}
 }