package mygraphs;

public class PlotPath {
	int		numPoints = 0;
	float	[]	xPts = new float[100];
	float	[]	yPts = new float[100];
	
	public PlotPath() {}

	public final void addPoint(float x, float y) {
		if(numPoints == xPts.length) {
			float 	[]	temp_xpts = new float[numPoints + 100];
			float	[]	temp_ypts = new float[numPoints + 100];
			
			System.arraycopy(xPts, 0, temp_xpts, 0, numPoints);
			System.arraycopy(yPts, 0, temp_ypts, 0, numPoints);
			xPts = temp_xpts;
			yPts = temp_ypts;
		}
		xPts[numPoints] = x;
		yPts[numPoints] = y;
		numPoints++;
	}
	
	public int getNumPoints() { return numPoints; }
	public float getX(int pt) { return xPts[pt]; }
	public float getY(int pt) { return yPts[pt]; }
}