TwoDimensionalLineGraph.java

package net.d3add3d.d3processingutils;

import processing.core.PApplet;

public class TwoDimensionalLineGraph {

	private PApplet parent;
	private float[] values;
	private int spcx, spcy, startx, starty;
	private boolean drawGrid;
	/**
	 * 
	 * @param p
	 * @param arr
	 * @param spacingx
	 * @param spacingy
	 * @param xstart
	 * @param ystart
	 * @param grid
	 */
	public TwoDimensionalLineGraph(PApplet p, float[] arr, int spacingx, int spacingy, int xstart, int ystart, boolean grid) {
		
		this.parent = p;
		this.values = arr;
		this.spcx = spacingx;
		this.spcy = spacingy;
		this.startx = xstart;
		this.starty = ystart;
		this.drawGrid = grid;
		
	}
	
	public void drawGraph() {
		//draw grid
		if (drawGrid) {
			parent.stroke(255,50.0f);
			parent.strokeWeight(0.0f);
			for (int i=1; i < 101; i++) {
				parent.line(startx, starty+(spcy*i), this.values.length*spcx, starty+(spcy*i));
			}
			for (int i=1; i < this.values.length; i++) {
				parent.line(startx+(spcx*i), starty, startx+(spcx*i), starty+(spcy*this.values.length));
			}
		}
		
		//draw values
		parent.stroke(255,255.0f);
		parent.strokeWeight(2.0f);
		for (int j=0; j < this.values.length-1; j++) {
			parent.line(startx+(spcx*j), starty+(this.values[j]*10*spcy), startx+(spcx*(j+1)), starty+(this.values[j+1]*10*spcy));
		}
	}
	
}