package uk.org.floop.epq3d;

public class Point3D {
    public double x;
    public double y;
    public double z;

    public Point3D(double _x, double _y, double _z){
        x = _x;
        y = _y;
        z = _z;
    }
    public Point3D(double[] xyz){
        if(xyz.length != 3){
            throw new RuntimeException("Point3D cannot be instantiated from != 3 points " +
                    "(attempted: " + xyz.length + ")");
        }
        x = xyz[0];
        y = xyz[1];
        z = xyz[2];
    }
    public Point3D(){
        x = 0;
        y = 0;
        z = 0;
    }
    public void set(double[] _new){
        x = _new[0];
        y = _new[1];
        z = _new[2];
    }
    public void translate(Point3D trVec){
        x += trVec.x;
        y += trVec.y;
        z += trVec.z;
    }
    public void translate(Vector3D trVec){
        x += trVec.x;
        y += trVec.y;
        z += trVec.z;
    }
    public Point2D project(double fpdis, int scrX, int scrY){
        return new Point2D(
                scrX - (int)(scrX*0.5*((fpdis*y)/(z) + 1)),
                (int)(scrX*0.5*((fpdis*x)/(z) + ((double)scrY/(double)scrX)))
        );
    }
    public Point2D project(drawData drawData) {
        Point2D point = new Point2D(0,0);
//                draw Data.scrX - (int)(drawData.scrX*0.5*((drawData.FPDis*y)/(z) + 1)),
//                (int)(drawData.scrX*0.5*((drawData.FPDis*x)/(z) + ((double)drawData.scrY/(double)drawData.scrX)))
        point.x = drawData.scrX - (int)(drawData.scrX*0.5*((drawData.FPDis*y)/(z) + 1));
        point.y = (int)(drawData.scrX*0.5*((drawData.FPDis*x)/(z) + ((double)drawData.scrY/(double)drawData.scrX)));
        point.z = z;

        if(Math.abs(point.x) > 5000 || Math.abs(point.y) > 5000){
            int debug = 12;
        }
        return point;
    }
    public void projectOn(drawData drawData, Point2D point){
        // this is a mess of random fixes because none of my coordinates are correct. :(
        // sorry
        point.x = drawData.scrX - (int)(drawData.scrX*0.5*((drawData.FPDis*y)/(z) + 1));
        point.y = (int)(drawData.scrX*0.5*((drawData.FPDis*x)/(z) + ((double)drawData.scrY/(double)drawData.scrX)));
        point.z = z;
    }
    public double[] get(){
        return new double[]{x, y, z};
    }


}