void AimHelperHudget::update(float deltaSec) {
Ship* ship = m_hud->player()->ship();
if (!ship) {
setVisible(false);
return;
}
WorldObject* targetObject = ship->targetObject();
if(!targetObject) {
setVisible(false);
return;
}
calculateTargetPoint(targetObject);
if (m_lastTargetWorldObject == targetObject && m_lastVisible) {
m_smoothTargetPoint = glm::mix(m_smoothTargetPoint, m_targetPoint, 5.0f * deltaSec);
} else {
m_smoothTargetPoint = m_targetPoint;
}
pointToWorldPoint(m_smoothTargetPoint);
setRelativeDistance(1.0f);
if (hovered()) {
setDirectionAngle(directionAngle() + 12.0f * deltaSec);
} else {
setDirectionAngle(0.0f);
}
m_lastTargetWorldObject = targetObject;
m_lastVisible = visible();
}
void Object::lookAt(Point * to)
{
Point direction(position->x + 10, 0, position->z);
Point * p = new Point(to->x - position->x, 0, to->z - position->z);
if (p->z <= 0) direction.z *= -1;
float pModule = sqrt(pow(p->x, 2) + pow(p->z, 2));
float dModule = sqrt(pow(direction.x, 2) + pow(direction.z, 2));
float product = p->x * direction.x + p->z + direction.z;
float productModule = pModule * dModule;
if (productModule != 0) {
float aux = product / productModule;
if ( aux >= -1 && aux <= 1) {
float angle = acos(aux) * 180 / M_PI;
if (p->z <= 0) angle = 360 - angle;
setDirectionAngle(angle);
}
}
}
void Object::rotate(float amount) {
setDirectionAngle(directionAngle + amount);
}
Object::Object(Point * initialPosition, float m) {
position = initialPosition;
setDirectionAngle(0);
movementAmount = m;
}
Object::Object(float m) {
position = new Point(0, 0, 0);
setDirectionAngle(0);
movementAmount = m;
}