void Ship :: update (WorldInterface& r_world)
{
if (isUnitAiSet())
{
if (!desired_velocity.isZero())
{
double theta = max_rotation_rate * TimeSystem::getFrameDuration();
if(theta > 0.0)
{
rotateTowards(desired_velocity.getNormalized(), theta);
}
double delta = max_acceleration * TimeSystem::getFrameDuration();
if(delta > 0.0)
{
double currentSpeed = getSpeed();
double desiredSpeed = desired_velocity.getNorm();
if (currentSpeed < desiredSpeed)
{
currentSpeed += delta;
if (currentSpeed > desiredSpeed) currentSpeed = desiredSpeed;
setSpeed(currentSpeed);
}
else if (currentSpeed > desiredSpeed)
{
currentSpeed -= delta;
if (currentSpeed < desiredSpeed) currentSpeed = desiredSpeed;
setSpeed(currentSpeed);
}
}
}
if (wantsToFire && isReloaded())
{
r_world.addBullet(getPosition(), getForward(), getId());
wantsToFire = false;
markReloading();
}
}
if(isAlive() && isDying())
{
r_world.addExplosion(getPositionPrevious(), getRadius() * EXPLOSION_SIZE_FACTOR, 0);
m_is_dead = true;
// no further updates
assert(invariant());
return;
}
if(isAlive())
{
updateBasic(); // moves the Ship
m_reload_timer += TimeSystem::getFrameDuration();
}
assert(invariant());
}
void LineItem::creationPolygonChanged(View::CreationEvent event) {
if (event == View::MousePress) {
const QPolygonF poly = mapFromScene(parentView()->creationPolygon(View::MousePress));
setPos(poly.first().x(), poly.first().y());
setViewRect(QRectF(0.0, 0.0, 0.0, sizeOfGrip().height()));
parentView()->scene()->addItem(this);
//setZValue(1);
return;
}
if (event == View::MouseMove) {
const QPolygonF poly = mapFromScene(parentView()->creationPolygon(View::MouseMove));
if (!rect().isEmpty()) {
rotateTowards(line().p2(), poly.last());
}
QRectF r = rect();
r.setSize(QSizeF(QLineF(line().p1(), poly.last()).length(), r.height()));
setViewRect(r);
return;
}
if (event == View::MouseRelease) {
const QPolygonF poly = mapFromScene(parentView()->creationPolygon(View::MouseRelease));
parentView()->disconnect(this, SLOT(deleteLater())); //Don't delete ourself
parentView()->disconnect(this, SLOT(creationPolygonChanged(View::CreationEvent)));
parentView()->setMouseMode(View::Default);
maybeReparent();
emit creationComplete();
return;
}
}
void LineItem::setLine(const QLineF &line_) {
setPos(line_.p1());
setViewRect(QRectF(0.0, 0.0, 0.0, sizeOfGrip().height()));
if (!rect().isEmpty()) {
rotateTowards(line().p2(), line_.p2());
}
QRectF r = rect();
r.setSize(QSizeF(QLineF(line().p1(), line_.p2()).length(), r.height()));
setViewRect(r);
}
void Ship::update(InputButtons::Bitset& input, GameState& game_state) {
static const float TURNING_SPEED = radiansFromDegrees(5.0f);
static const vec2 turning_vel = complex_from_angle(TURNING_SPEED);
anim_flags.reset();
if (input.test(InputButtons::LEFT)) {
rb.angular_vel = complex_conjugate(turning_vel);
anim_flags.set(AnimationFlags::THRUST_CCW);
}
if (input.test(InputButtons::RIGHT)) {
rb.angular_vel = turning_vel;
anim_flags.set(AnimationFlags::THRUST_CW);
}
if (input.test(InputButtons::LEFT) == input.test(InputButtons::RIGHT)) {
rb.angular_vel = complex_1;
Position mouse_pos = game_state.camera.inverse_transform(
mvec2(static_cast<float>(game_state.mouse_x), static_cast<float>(game_state.mouse_y)));
vec2 mouse_orientation = normalized(mouse_pos - rb.pos);
rb.orientation = rotateTowards(rb.orientation, mouse_orientation, TURNING_SPEED);
}
if (input.test(InputButtons::BRAKE)) {
rb.vel = 0.96f * rb.vel;
anim_flags.set(AnimationFlags::INERTIAL_BRAKE);
} else if (input.test(InputButtons::THRUST)) {
vec2 accel = 0.05f * rb.orientation;
rb.vel = rb.vel + accel;
anim_flags.set(AnimationFlags::THRUST_FORWARD);
}
if (input.test(InputButtons::SHOOT) && shoot_cooldown == 0) {
Bullet bullet;
bullet.physp.pos = rb.pos;
bullet.orientation = rb.orientation;
bullet.physp.vel = rb.vel + 4.0f * rb.orientation;
bullet.img = img_bullet;
game_state.bullets.push_back(bullet);
shoot_cooldown = 5;
}
if (shoot_cooldown > 0) {
--shoot_cooldown;
}
shield.update();
rb.update();
}
