void Doe::Flee(sf::Vector2f target)
{
target = Closest(m_position, target);
sf::Vector2f diff = m_position - target;
if (diff.x*diff.x + diff.y*diff.y > 100000)
{
m_speed = 3;
Move();
}
else
{
m_speed = 8.25f;
m_rotation = atan2(diff.y, diff.x);
m_direction = sf::Vector2f(cos(m_rotation), sin(m_rotation));
m_position += m_direction * m_speed;
float length = sqrt((m_direction.x * m_direction.x) + (m_direction.y * m_direction.y));
if (length > 0)
{
sf::Vector2f normalised = m_direction / length;
m_bodySprite.setPosition(m_position);
m_bodySprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_selectedSprite.setPosition(m_position);
m_selectedSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_headSprite.setPosition(m_position + (normalised * (float)DistanceOfNeck));
m_headSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_tailSprite.setPosition(m_position + (normalised * (float)DistanceOfTail));
m_tailSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
}
}
}
Vector3f TrackballManipulator::SphereLineIntersection(const Vector3f& pStart, const Vector3f& pEnd,
const Vector3f& pSpherePos, Float pRadius)
{
// pStart P1 coordinates (point of line)
// pEnd P2 coordinates (point of line)
// pSpherePos, pRadius P3 coordinates and radius (sphere)
Vector3f interVector;
Float a, b, c, mu, i ;
a = (pEnd - pStart).GetLengthSqr();
b = 2 * ( (pEnd.x - pStart.x)*(pStart.x - pSpherePos.x) +
(pEnd.y - pStart.y)*(pStart.y - pSpherePos.y) +
(pEnd.z - pStart.z)*(pStart.z - pSpherePos.z) );
c = pSpherePos.GetLengthSqr() +
pStart.GetLengthSqr() -
2 * ( pSpherePos | pStart ) -
pRadius * pRadius;
i = b * b - 4 * a * c ;
if( i < 0.0 )
{
// no intersection
interVector = Closest(pStart, pEnd, pSpherePos);
}
if( i == 0.0 )
{
// one intersection
mu = -b/(2*a) ;
interVector = pStart + ((pEnd - pStart) * mu);
}
if ( i > 0.0 )
{
// two intersections
// first intersection
mu = (-b + Maths::Sqrt( b*b - 4*a*c )) / (2*a);
Vector3f inter1 = pStart + ((pEnd - pStart) * mu);
// second intersection
mu = (-b - Maths::Sqrt( b*b - 4*a*c )) / (2*a);
Vector3f inter2 = pStart + ((pEnd - pStart) * mu);
// Get the camera.
Camera* camera = mEditor->GetWorldManager().GetCurrentCamera();
if((inter1 - camera->GetPosition()).GetLength() <
(inter2 - camera->GetPosition()).GetLength())
{
interVector = inter1;
}
else
{
interVector = inter2;
}
}
return interVector;
}
void Stag::Chase(sf::Vector2f target)
{
time_t now;
target = Closest(m_position, target);
sf::Vector2f diff = m_position - target;
if (m_attacking)
{
m_animatedSprite.update(frameTime);
m_animatedSprite.move(m_direction * frameTime.asSeconds());
if (!m_animatedSprite.isPlaying())
{
m_attacking = false;
}
}
if (Collision::CircleTest(m_headSprite, Player::GetInstance()->GetSprite()) && std::chrono::duration_cast<milliseconds>(Clock::now() - lastHit).count() > 1000)
{
m_animatedSprite.play(*m_currentAnimation);
lastHit = Clock::now();
m_attacking = true;
m_speed = 0;
Player::GetInstance()->DecreaseHealth(10);
}
else if (diff.x*diff.x + diff.y*diff.y >= 18000)
{
m_speed = 5;
m_rotation = atan2(target.y - m_position.y, target.x - m_position.x);
m_direction = sf::Vector2f(cos(m_rotation), sin(m_rotation));
m_position += m_direction * m_speed;
float length = sqrt((m_direction.x * m_direction.x) + (m_direction.y * m_direction.y));
if (length > 0)
{
sf::Vector2f normalised = m_direction / length;
m_bodySprite.setPosition(m_position);
m_bodySprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_selectedSprite.setPosition(m_position);
m_selectedSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_headSprite.setPosition(m_position + (normalised * (float)DistanceOfNeck));
m_headSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_tailSprite.setPosition(m_position + (normalised * (float)DistanceOfTail));
m_tailSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_animatedSprite.setPosition(m_position + (normalised * (float)DistanceOfAttack));
m_animatedSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_attackArea.setPosition(m_position + (normalised * (float)DistanceOfAttack));
m_attackArea.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
}
}
}
void Particle::Update(sf::Vector2f target)
{
m_sprite.setPosition(m_position);
target = Closest(m_position, target);
sf::Vector2f diff = m_position - target;
if (isAlive)
{
m_speed = rand() % 5 + 3;
m_rotation = atan2(target.y - m_position.y, target.x - m_position.x);
m_direction = sf::Vector2f(cos(m_rotation), sin(m_rotation));
m_position += m_direction * m_speed;
m_sprite.setColor(m_colour);
if (diff.x*diff.x + diff.y*diff.y < 1000)
{
m_sprite.setColor(sf::Color::Transparent);
isAlive = false;
m_position = sf::Vector2f(-10000, -100);
}
}
}
void Stag::Flee(sf::Vector2f target)
{
m_attacking = false;
target = Closest(m_position, target);
sf::Vector2f diff = m_position - target;
if (diff.x*diff.x + diff.y*diff.y > 200000)
{
Move();
m_speed = 3;
}
else
{
m_speed = 4.75;
m_rotation = atan2(diff.y, diff.x);
m_direction = sf::Vector2f(cos(m_rotation), sin(m_rotation));
m_position += m_direction * m_speed;
//m_bodySprite.setRotation(m_rotation * 180 / (22.0f / 7.0f) + 90.0f);
//Set position of Head and rotation
float length = sqrt((m_direction.x * m_direction.x) + (m_direction.y * m_direction.y));
if (length > 0)
{
sf::Vector2f normalised = m_direction / length;
m_bodySprite.setPosition(m_position);
m_bodySprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_selectedSprite.setPosition(m_position);
m_selectedSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_headSprite.setPosition(m_position + (normalised * (float)DistanceOfNeck));
m_headSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
m_tailSprite.setPosition(m_position + (normalised * (float)DistanceOfTail));
m_tailSprite.setRotation(atan2(normalised.y, normalised.x) * 180 / (22.0f / 7.0f) + 90.0f);
}
}
}
