Seek

void BSeek::doActions(float deltaTime) {
	if (m_parentObject != nullptr) {
		glm::vec2 desired_velocity = m_targetPos - m_parentObject->getPos();
		float last_dist_to_target = glm::length(m_targetPos - m_lastPos);
		float dist_to_target = glm::length(desired_velocity);

		if (m_onInnerRadiusEnter && last_dist_to_target > m_innerRadius && dist_to_target <= m_innerRadius)
			// If we have just entered the destination zone
			m_onInnerRadiusEnter();
		if (m_onInnerRadiusExit && last_dist_to_target <= m_innerRadius && dist_to_target > m_innerRadius)
			// If we have just left the destination zone
			m_onInnerRadiusExit();
		if (m_onOuterRadiusEnter && last_dist_to_target > m_outerRadius && dist_to_target <= m_outerRadius)
			// If we have just entered the agro zone
				m_onOuterRadiusEnter();
		if (m_onOuterRadiusExit && last_dist_to_target <= m_outerRadius && dist_to_target > m_outerRadius)
			// If we have just left the agro zone
			m_onOuterRadiusExit();


		if (dist_to_target <= m_outerRadius)
			// Perform arrival behaviour
			desired_velocity = glm::normalize(desired_velocity) * (dist_to_target / m_outerRadius) * m_strength;
		else {
			desired_velocity = glm::normalize(desired_velocity) * m_strength;
		}


		m_parentObject->applyForce(desired_velocity * getForceScale());


		m_lastPos = m_parentObject->getPos();
	}
}