TargetSeek.h

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#pragma once

#include "Steering.h"

namespace ai {
namespace movement {

class TargetSeek: public ISteering {
protected:
    glm::vec3 _target;
public:
    STEERING_FACTORY(TargetSeek)

    explicit TargetSeek(const std::string& parameters) :
            ISteering() {
        _target = parse(parameters);
    }

    inline bool isValid () const {
        return !isInfinite(_target);
    }

    virtual MoveVector execute (const AIPtr& ai, float speed) const override {
        if (!isValid()) {
            return MoveVector(_target, 0.0f);
        }
        const glm::vec3& v = glm::normalize(_target - ai->getCharacter()->getPosition());
        const float orientation = angle(v);
        const MoveVector d(v * speed, orientation);
        return d;
    }
};

}
}