/*
My simple 3d engine... just bored

(C) Ed Mack
*/

function m3d(x,y){
	_root.createEmptyMovieClip("m3ds",1);
	this.screen = _root.m3ds;
	this.screen._x = x;
	this.screen._y = y;

	this.mesh = _root.mesh;
	this.pers = 270;
	this.pcount = 0;
}

m3d.prototype.draw = function(){
	var i,a;
	for(i=0;i<this.mesh.length;i++){
		if(this.mesh[i].type == "plane"){
			this.screen.createEmptyMovieClip("poly"+(++this.pcount),this.pcount);
			a = this.screen["poly"+this.pcount];
			a.lineStyle(1);
			a.beginFill(0xCCCCCC,100);
			a.moveTo(this.getPx(i,0),this.getPy(i,0));
			a.lineTo(this.getPx(i,1),this.getPy(i,1));
			a.lineTo(this.getPx(i,2),this.getPy(i,2));
			a.lineTo(this.getPx(i,3),this.getPy(i,3));
			a.lineTo(this.getPx(i,0),this.getPy(i,0));
			a.endFill();
		}
	}
};

m3d.prototype.getPx = function(i,j){
	return this.mesh[i].points[j].x*(this.mesh[i].points[j].z/this.pers+1);
};

m3d.prototype.getPy = function(i,j){
	return this.mesh[i].points[j].y*(this.mesh[i].points[j].z/this.pers+1);
};

m3d.prototype.rotate = function(x,y,z){
	var i,j,a,b;
	for(i=0;i<this.mesh.length;i++){
		for(j=0;j<this.mesh[i].points.length;j++){
			a = this.mesh[i].points[j];
			b.x = (Math.cos(y)*a.x)+(Math.sin(y)*a.z);
			b.y = (Math.cos(x)*a.y)-(Math.sin(x)*a.z);
			b.z = (Math.sin(x)*a.y)+(Math.cos(x)*a.z);
			a.x = b.x; a.y = b.y; a.z = b.z;
		}
	}
};