/*
Gary French, 2007

a simple analog clock based on shapes

add this using:
#include "Clock.as"

*/

var isClockInit;
if( isClockInit == undefined ) {
	isClockInit = true;

	var wrapper = this.createEmptyMovieClip( "ClockWrapper", 1000 );

	//time offset of the clock
	wrapper.offset = 0;
	if( _root.offset != undefined && parseInt(_root.offset) != NaN ) {
		wrapper.offset = parseInt(_root.offset);
	}

	//defaults to 100
	if( _root.alpha != undefined && parseInt(_root.alpha) != NaN ) {
		wrapper._alpha = parseInt(_root.alpha);
	}

	wrapper.radius = Stage.width/2;

	wrapper.rMarkMinor = 0.015;
	wrapper.rMarkMajor = 0.050;

	wrapper.rHandHour = 0.600;
	wrapper.rHandMinute = 0.700;
	wrapper.rHandSecond = 0.900;

	wrapper._x = Stage.width/2;
	wrapper._y = Stage.height/2;
	// a {_x:wrapper._x,_y:wrapper._y} anon object could be added if we wanted offset
	wrapper.createEmptyMovieClip( "ClockFace", 1001 );
	wrapper.createEmptyMovieClip( "ClockHour", 1002 );
	wrapper.createEmptyMovieClip( "ClockMinute", 1003 );
	wrapper.createEmptyMovieClip( "ClockSecond", 1004 );
	if( wrapper._alpha != 100 ) {
		this._alpha =  wrapper._alpha;
		wrapper["ClockFace"]._alpha = wrapper._alpha;
		wrapper["ClockHour"]._alpha = wrapper._alpha;
		wrapper["ClockMinute"]._alpha = wrapper._alpha;
		wrapper["ClockSecond"]._alpha = wrapper._alpha;
	}

	wrapper.drawFace = function() {
		with( wrapper["ClockFace"] ) {
			clear();
			var x,y,dn,r;
	
			//width and color of secondary
			lineStyle(1,0x006000);
	
			//angular change
			dn = 6 * (Math.PI/180);
	
			r = wrapper.rMarkMinor*wrapper.radius;
			for( var n=0; n<2*Math.PI; n+=dn ) {
				x = (wrapper.radius-r)*Math.cos(n);
				y = (wrapper.radius-r)*Math.sin(n);
				moveTo(x,y);
				x = (wrapper.radius)*Math.cos(n);
				y = (wrapper.radius)*Math.sin(n);
				lineTo(x,y);
			}
	
			//width and color of primary
			lineStyle(3,0x006000);
	
			//angular change
			dn = 30 * (Math.PI/180);
	
			r = wrapper.rMarkMajor * wrapper.radius;
			for( var n=0; n<2*Math.PI; n+=dn ) {
				x = (wrapper.radius-r)*Math.cos(n);
				y = (wrapper.radius-r)*Math.sin(n);
				moveTo(x,y);
				x = (wrapper.radius)*Math.cos(n);
				y = (wrapper.radius)*Math.sin(n);
				lineTo(x,y);
			}
		}
	}
	wrapper.drawFace();

	wrapper.onEnterFrame = function () {
		var x,y,n;
		var currentDate = new Date();

		//(current seconds) * (full rot)/(seconds in rot);
		//convert to rads;
		//rotate - 90 degrees
		n = currentDate.getSeconds() * (360/60) * (Math.PI/180) - (Math.PI/2);
		with( wrapper["ClockSecond"] ) {
			clear();
			x = this.radius*this.rHandSecond*Math.cos(n);
			y = this.radius*this.rHandSecond*Math.sin(n);

			/*simple hands
			lineStyle(1,0xA00000);
			moveTo(0,0);
			lineTo(x,y);
			*/

			/*fancy hands
			*/
			var dn = 3 * (Math.PI/180);
			var x0 = this.radius*this.rHandSecond*Math.cos(n-dn)*0.7;
			var y0 = this.radius*this.rHandSecond*Math.sin(n-dn)*0.7;
			var x1 = this.radius*this.rHandSecond*Math.cos(n+dn)*0.7;
			var y1 = this.radius*this.rHandSecond*Math.sin(n+dn)*0.7;
			lineStyle(1,0xA00000);
			moveTo(0,0);
			lineTo(x,y);
			lineStyle(2,0xA00000);
			moveTo(x0,y0);
			lineTo(x1,y1);

		}

		//(current minutes) * (full rot)/(minutes in rot);
		//convert to rads;
		//rotate - 90 degrees
		n = currentDate.getMinutes() * (360/60) * (Math.PI/180) - (Math.PI/2);
		with( wrapper["ClockMinute"] ) {
			clear();
			x = this.radius*this.rHandMinute*Math.cos(n);
			y = this.radius*this.rHandMinute*Math.sin(n);

			/*simple hands
			lineStyle(5,0x000000);
			moveTo(0,0);
			lineTo(x,y);
			*/

			/*fancy hands
			*/
			var dn = 6 * (Math.PI/180);
			var x0 = this.radius*this.rHandMinute*Math.cos(n-dn)*0.7;
			var y0 = this.radius*this.rHandMinute*Math.sin(n-dn)*0.7;
			var x1 = this.radius*this.rHandMinute*Math.cos(n+dn)*0.7;
			var y1 = this.radius*this.rHandMinute*Math.sin(n+dn)*0.7;
			lineStyle(0,0x000000);
			beginFill(0x000000);
			moveTo(0,0);
			lineTo(x0,y0);
			lineTo(x,y);
			lineTo(x1,y1);
			lineTo(0,0);
			endFill();

		}

		//works for either 12 or 24 format, but is a wee bit trickier to handle the fractional hour
		//the equation is broken up so it can be understood a bit easier
		//(current hours) * (minutes in hour) + (current minutes)
		//   * (full rot)/(hours in rot expressed in minutes);
		//convert to rads;
		//rotate - 90 degrees
		n = (currentDate.getHours()+wrapper.offset) * 60 + currentDate.getMinutes();
		n *= (360/(12*60))
		n *= (Math.PI/180);
		n -= (Math.PI/2);
		with( wrapper["ClockHour"] ) {
			clear();

			x = this.radius*this.rHandHour*Math.cos(n);
			y = this.radius*this.rHandHour*Math.sin(n);

			/*simple hands
			lineStyle(5,0x000000);
			moveTo(0,0);
			lineTo(x,y);
			*/

			/*fancy hands
			*/
			var dn = 8 * (Math.PI/180);
			var x0 = this.radius*this.rHandHour*Math.cos(n-dn)*0.7;
			var y0 = this.radius*this.rHandHour*Math.sin(n-dn)*0.7;
			var x1 = this.radius*this.rHandHour*Math.cos(n+dn)*0.7;
			var y1 = this.radius*this.rHandHour*Math.sin(n+dn)*0.7;
			lineStyle(0,0x000000);
			beginFill(0x000000);
			moveTo(0,0);
			lineTo(x0,y0);
			lineTo(x,y);
			lineTo(x1,y1);
			lineTo(0,0);
			endFill();

		}

	}

}