// Code based on https://gist.github.com/johncolby/1295842 

String[] lines;
float[] x, y, z;
int scale = 5;
int axis  = 80;

void setup() {
    size(800, 480, P3D);
    
    // Load scatterplot data
    lines = loadStrings("data/plot-data.csv");
    x = new float[lines.length];
    y = new float[lines.length];
    z = new float[lines.length];
    for (int i=1; i < lines.length; i++) {
        String[] pieces = split(lines[i], ',');
        x[i] = float(pieces[0]);
        y[i] = float(pieces[1]);
        z[i] = float(pieces[2]);
    }
}

void draw() {

    colorMode(RGB, 1);
    
    camera(2.2*50*sin(PI*mouseX/width), 2.2*50*cos(PI*mouseX/width), 10, 0, 0, 35, 0, 0, -1);
    
    // Make axis
    //background(1);
	background(0, 0, 0, 0);
    noFill();
    stroke(1);
    line(0, 0, 0, 1*axis, 0, 0);
    line(0, 0, 0, 0, 1*axis, 0);
    line(0, 0, 0, 0, 0, 1*axis);
    
    // Plot points
    for (int i=1; i < x.length; i++) {
        pushMatrix();
        translate(scale*x[i], scale*y[i], scale*z[i]);
        fill(1);
        box(0.10*scale);
        noFill();
        popMatrix();
    }
}