User:Nan Wang/counting

Car myCar1; Car myCar2; Car myCar3; Car myCar4; Car myCar5; Car myCar6; Car myCar7; Car myCar8; Car myCar9; Car myCar10; Car myCar11; Car myCar12; Car myCar13; Car myCar14; Car myCar15; // objects!

void setup() {

 size(760, 576);

 // Parameters 
 myCar1 = new Car(color(225, 225, 225), 0, 100, 2); 
 myCar2 = new Car(color(225, 225, 225), 0, 550, 1);
 myCar3 = new Car(color(225, 225, 225), 0, 300, 1.3);
 myCar4 = new Car(color(209, 209, 209), 0, 60, 3);
 myCar5 = new Car(color(225, 225, 225), 0, 120, 0.8);
 myCar6 = new Car(color(225, 225, 225), 0, 200, 1.5);
 myCar7 = new Car(color(225, 225, 225), 0, 500, 2.5);
 myCar8 = new Car(color(160, 160, 160), 0, 400, 4);
 myCar9 = new Car(color(225, 225, 225), 0, 20, 3.5);
 myCar10 = new Car(color(225, 225, 225), 0, 180, 0.8);
 myCar11 = new Car(color(225, 225, 225), 0, 78, 1.5);
 myCar12 = new Car(color(225, 225, 225), 0, 370, 2.5);
 myCar13 = new Car(color(225, 225, 225), 0, 460, 4);
 myCar14 = new Car(color(225, 225, 225), 0, 230, 3.5);
 myCar15 = new Car(color(225, 225, 225), 0, 480, 0.8);

}

void draw() {

 background(0);
 myCar1.drive();
 myCar1.display();
 myCar2.drive();
 myCar2.display();
 myCar3.drive();
 myCar3.display();
 myCar4.drive();
 myCar4.display();
 myCar5.drive();
 myCar5.display();
 myCar6.drive();
 myCar6.display();
 myCar7.drive();
 myCar7.display();
 myCar8.drive();
 myCar8.display();
 myCar9.drive();
 myCar9.display();

}

class Car {

 color c;
 float xpos;
 float ypos;
 float xspeed;

 //  defined.
 Car(color tempC, float tempXpos, float tempYpos, float tempXspeed) { 
   c = tempC;
   xpos = tempXpos;
   ypos = tempYpos;
   xspeed = tempXspeed;
 }

 void display() {
   stroke(0);
   fill(c);
   rectMode(CENTER);
   rect(xpos, ypos, 20, 10);
 }

 void drive() {
   xpos = xpos + xspeed;
   if (xpos > width) {
     xpos = 0;
   }
 }

}