Project_3_Dynamic_Drawing

//andrewid rdrice
//section c

var bgV = 0
var fVr = 255
var fVg = 255
var fVb = 255
var angle = 0   //starting angle for the electron
var speed = 0.1

var x = 100     //photon position
var y = 100
var xVel = 1    //starting horizontal velocity of the photon
var yVel = 1    //starting vertical velocity of the photon
var bSize = 20  //diameter of the photon

function setup() {
    createCanvas(600, 450);
    background(0);
}

function draw() {
    background(bgV);
    noStroke();
    fill(fVr, fVg, fVb);
    text("p5.js vers 0.9.0. rdrice. 'Hydrogen with Photon'", 10, 15);
    angleMode(DEGREES);

    var scale = dist(width/2, height/2, mouseX, mouseY); //scaling nucleus
    ellipse(width/2, height/2, min(scale, 250));

    x += xVel   //Reycled this script from assignment a
    y += yVel   //keeps the 'photon' moving
    ellipse(x, y, bSize);    //draws a circle at x, y

    if (x > width-bSize/2) {    //checks to see if photon is in x bounds
        xVel = xVel*(-1)        //reverses velocity if its not
    } else if (x < bSize/2) {
        xVel = xVel*(-1)}
    if (y > height-bSize/2) {   //does the same as above, but for y
        yVel = yVel*(-1)
    } else if (y < bSize/2) {
        yVel = yVel*(-1)}       //end recycled script

    translate(width/2, height/2);   //rotating electron
    angle = angle+speed
    rotate(angle);
        ellipse(100,100, min(500*(10/scale), 100));
}

function mousePressed() {
    if (bgV == 0){  //toggles bgV (background) between b&w
        bgV = 255;
    } else if (bgV == 255) {
        bgV = 0}

    if (fVr == 255 & fVg == 255 && fVb == 255){   //random fill value
        fVr = random(0,255);
        fVg = random(0,255);
        fVb = random(0,255);
    } else {    //toggles back to white
        fVr = 255
        fVg = 255
        fVb = 255}

    speed = random(-1, 1);  //new random speeds for moving objects
    xVel = random(-10,10);
    yVel = random(-10,10);
}