onthewings.stuffs.stuff4

Main.hx

/**
 * Some of the renderings can be found at
 * http://www.flickr.com/photos/andy-li/sets/72157625719497466/
 * 
 * 
 * Copyright (c) 2011, Andy Li http://www.onthewings.net/
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, 
 * this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice, 
 * this list of conditions and the following disclaimer in the documentation 
 * and/or other materials provided with the distribution.
 * The name of the author may not be used to endorse or promote products derived 
 * from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package onthewings.stuffs.stuff4;

import cpp.Lib;
import cpp.Sys;
import nme.geom.Point;
import of.Context;

using of.Context.Functions;

using Lambda;
using DateTools;
using org.casalib.util.NumberUtil;
using nme.geom.Point;

class Main extends of.app.BaseApp
{
	var screenCap:Image;
	var width:Int;
	var height:Int;
	
	var pt:Point;
	var pts:Array<Point>;

	override public function setup():Void {		
		setFrameRate(120);
		enableAlphaBlending();
		enableSmoothing();
		background(0, 0, 0);
		noFill();

		width = getWidth();
		height = getHeight();

		screenCap = new Image();
		screenCap.allocate(width, height, Constants.OF_IMAGE_COLOR);
		var p = screenCap.getPixels();
		for (i in 0...p.length) {
			p[i] = cast 0;
		}
		screenCap.update();
		
		pt = new Point(0, 0);
		pts = [];
		
		pts.push(pt.clone());
		var pt = pt.clone();
		while (pt.x++ < width) {
			pt.y = sin(pt.x.map(0, width, 0, 2 * Math.PI)) * height;
			pts.push(pt.clone());
		}
	}

	override public function draw():Void {
		setColor(255, 255, 255, 255);
		screenCap.draw(0, 0);
		
		setColor(255, 255, 255, 5);
		var max = 0.0;
		var min = 0.0;
		var ppts = pts.copy();
		var pt = ppts[0];
		for (i in 1...ppts.length) {
			pt = ppts[i].clone();
			
			pt.y += sin(ppts[i - 1].y / pt.y);
			if (pt.y > max) max = pt.y;
			if (pt.y < min) min = pt.y;
			pts[i] = pt;
		}
		
		beginShape();
		pt = pts[0];
		vertex(pt.x, height * 0.5 + pt.y);
		vertex(pt.x, height * 0.5 + pt.y);
		for (i in 1...pts.length) {
			pt = pts[i];
			vertex(pt.x, pt.y.map(min, max, 0, height));
		}
		vertex(pt.x, height * 0.5 + pt.y);
		endShape();
		
		screenCap.grabScreen(0, 0, width, height);
	}
	
	
	override public function keyPressed(key:Int):Void {
		switch(key){
			case Constants.OF_KEY_RETURN:
				screenCap.saveImage(Date.now().format("%Y%m%d_") + getFrameNum() + ".png");
				Sys.exit(0);
		}
	}

	public static function main():Void {
		AppRunner.setupOpenGL(new AppGlutWindow(), 1440, 900, Constants.OF_FULLSCREEN);
		//AppRunner.setupOpenGL(new AppGlutWindow(), 800, 600, Constants.OF_WINDOW);
		AppRunner.runApp(new Main());
	}
}