Mobius bobber.pde

//global variables
PImage img1, img2;
float x1, x2, y1, y2;
float angle1 = 0, angle2 = 25;
float scalar = 10;
float locationSave = height/2 + (scalar * sin(radians(angle1)));
static final color BG = -4;


void setup() {
  size(550, 550);
  imageMode(CENTER);
  
  img1 = loadImage("Mobius Track.png");
  img2 = loadImage("Dice (1).png");
  
    img1.resize(int(width*.95), int(height*.95));
    img2.resize(int(width*.95), int(height*.95));

}

void draw() {
  
    float ang1 = radians(angle1);
    float ang2 = radians(angle2);
    y1 = height/2 + (scalar * sin(ang1));
    y2 = height/2 + (scalar * sin(ang2));

//  background(255, 0);

background(BG);

pushMatrix();
translate(width/2, y2-(height/2));
image(img1, 0, y2);
popMatrix();

pushMatrix();
translate(width/2, y2-(height/2)-(height*0.03));
image(img2, 0, y1);
popMatrix();


    angle1 += 2;
    angle2 += 2;


saveTransparentCanvas(BG, "img");

if (y1 == height/2 + (scalar * sin(radians(0)))){
 print(frameCount); 
}
}


void saveTransparentCanvas(final color bg, final String name) {
  final PImage canvas = get(0,0,height,width);
  canvas.format = ARGB;
 
  final color p[] = canvas.pixels, bgt = bg & ~#000000;
  for (int i = 0; i != p.length; ++i)  if (p[i] == bg)  p[i] = bgt;
 
  canvas.updatePixels();
  canvas.save("Frame####"+frameCount+".png");
}