package;

import haxe.Timer;
import openfl.Vector;
import openfl.display.Bitmap;
import openfl.display.BitmapData;
import openfl.display.Sprite;
import openfl.Assets;
import openfl.events.Event;

class Main extends Sprite {
	
	var bitmap:Bitmap;
	
	var myShader = new MandelbrotShader();
	var shader1:MyShader;
	
	public function new () {
		
		super ();
		
		var b = new Bitmap (Assets.getBitmapData ("assets/openfl.png"));
		var sprite = new Sprite();
		sprite.addChild (b);
		sprite.x = 10;
		sprite.y = 10;
		sprite.width = 800;
		sprite.height = 600;
		addChild(sprite);

		// ----------- bitmap.shader -----------
		
		//myShader = new MyShader();
		myShader = new MandelbrotShader();	
		
		//myShader.custom_Value.value = [0.0];
		myShader.time.value = [0.0];
		
		//var bitmap = new Bitmap (Assets.getBitmapData ("assets/openfl.png"));
		bitmap = new Bitmap (new BitmapData(1,1));
		
		bitmap.shader = myShader;
		bitmap.x = 50;
		bitmap.y = 150;
		bitmap.width = 400;
		bitmap.height = 200;
		
		bitmap.alpha = 0.9;
		
		addChild (bitmap);
		
		// ----------- drawQuads -----------
		
		
		shader1 = new MyShader();
		shader1.bitmap.input = new BitmapData(400, 200);
		shader1.bitmap.filter = LINEAR;
		shader1.custom_Value.value = [0.0];
		// shader1.openfl_Alpha.value = [0.5]; // <- private
		
		//graphics.clear ();
		graphics.beginShaderFill (shader1);
		graphics.drawQuads ( Vector.ofArray ([0, 0, 400, 200]), null, Vector.ofArray ([20, 300]) );
		
		
		
		// --------------------------
		
		stage.addEventListener (Event.ENTER_FRAME, update);
		//stage.addEventListener (Event.RENDER, update);
		
		startTime = Timer.stamp();
	}
	
	var test = 0.0;
	var startTime = 0.0;
	
	private function update (event:Event):Void {
		stage.invalidate ();
		
		myShader.time.value = [Timer.stamp()-startTime];

		test += 0.01;
		
		shader1.custom_Value.value = [test];
		bitmap.x = 50+test*50;
		
		graphics.clear ();
		graphics.beginShaderFill (shader1);
		graphics.drawQuads ( Vector.ofArray ([0, 0, 400, 200]), null, Vector.ofArray ([20+test*50, 300]) );

	}
	
}