package resources; public class Acceleration { private double massValue; private Pair<Double> forceValue; private Velocity velocity; private Onground onground; private Pair<Double> value; public void updateByMass(double mass) { this.massValue = mass; Pair temp_l0; if (this.onground.getOnground()) { temp_l0 = new Pair((forceValue.getFirst() / mass), 0.0); } else { temp_l0 = new Pair((forceValue.getFirst() / mass), (forceValue.getSecond() / mass)); } value = temp_l0; velocity.updateByAcceleration(value); } public void updateByForce(Pair<Double> force) { this.forceValue = force; Pair temp_l1; if (this.onground.getOnground()) { temp_l1 = new Pair((force.getFirst() / massValue), 0.0); } else { temp_l1 = new Pair((force.getFirst() / massValue), (force.getSecond() / massValue)); } value = temp_l1; velocity.updateByAcceleration(value); } public Acceleration(Velocity velocity, Onground onground) { this.velocity = velocity; this.onground = onground; } public Pair<Double> getValue() { return value; } }