Hi,
I'm pretty new to this and i need help if anyone can.....
I have written the code below.
I want to draw 5 coins (ellipses) on the screen at random positions. I have done one.
I also want it so that once there are less than 5 coins, it draws another one, any help?

Cheers,
Nick

PImage balloon;

float xpos; // x position of balloon
float ypos; //y position of balloon
float x=0;
float y=1;
float coins;
float r = random(100, 400);
float r2 = random(100, 400);
float yCoin, xCoin;


void setup()
{
 size(500,500); // size of applet
 balloon = loadImage("balloon.gif"); // load balloon sprite
 xpos = width/2; // start position
 ypos = height/2; // start position
 framerate(60); // set framerate to 60
}

void draw()
{
 xpos = xpos + x;
 ypos = ypos + y;
 background(102, 0, 0);  // back colour
 if(coins <5)
 {
   drawCoins(xCoin, yCoin); // draw coins
   coins--; // decrement coin count
 }
 drawSprite(xpos, ypos); // draw the sprite to the screen
}

void drawSprite(float xpos, float ypos)
{
 image(balloon, xpos, ypos);  // Display the sprite at the position xpos, ypos
   // bounce if it hits the edges
 if (xpos < 0 || xpos > height-balloon.height)
 {
   x = x * -1;
 }
 if (ypos < 0 || ypos > width-balloon.width)
 {
   y = y * -1;
 }
}

void drawCoins(float xCoin, float yCoin)
{
 xCoin = r;
 yCoin = r2;
 ellipse(xCoin, yCoin, 20, 20);
 coins++;
}

void collision()
{
}

void keyPressed()
{
 if (keyCode == LEFT) // if left key pressed
 {
   x = -1;
   y = 0;
 }
 else if (keyCode == RIGHT) // if right key pressed
 {
   x = 1;
   y = 0;
 }
 else if (keyCode == UP) // if up key pressed
 {
   y = -1;
   x = 0;
 }
 else if (keyCode == DOWN) // if down key pressed
 {
   y = 1;
   x = 0;
 }
}