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simulation.js
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simulation.js
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function update(road, cars, roaddiv) {
//clear roadway
road.reset();
//draw cars
drawCars(cars, road);
//car decisions
decideCars(cars, road);
//car movement
moveCars(cars, road);
//check for collisions?
//display roadway
displayroadway(roaddiv, road);
//compute statistics
computeStats(cars);
}
function drawCars(cars, rw) {
for (k = 0; k < cars.length; k++) {
var t = cars[k].cartype;
for (i = 0; i < cars[k].length; i++) {
var s = cars[k].location + i;
if (s >= rw.length) {
s = s - rw.length;
}
rw.lanes[cars[k].lane][s] = "blocked";
}
}
}
function drawCar(car, rw) {
var t = car.cartype;
for (i = 0; i < car.length; i++) {
var s = car.location + i;
if (s >= rw.length) {
s = s - rw.length;
}
rw.lanes[car.lane][s] = t;
}
}
function decideCars(cars, rw) {
for (k = 0; k < cars.length; k++) {
cars[k].decide(rw);
drawCar(cars[k], rw);
}
}
function moveCars(cars, rw) {
for (i = 0; i < cars.length; i++) {
cars[i].location = cars[i].location - cars[i].speed;
if (cars[i].location < 0) {
cars[i].location = cars[i].location + rw.length;
}
else if (cars[i].location >= rw.length) {
cars[i].location = cars[i].location - rw.length;
}
}
}