rotatecomponent.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
// Local includes
#include "component.h"
 
// External includes
#include <utility/dllexport.h>
 
// Local includes
#include "transformcomponent.h"
 
#include <glm/glm.hpp>
 
namespace nap
{
    struct NAPAPI RotateProperties
    {
        glm::vec3   mAxis   = {0.0f, 1.0f, 0.0f};   
        float       mSpeed  = 1.0f;                 
        float       mOffset = 0.0f;                 
    };
 
 
    class RotateComponentInstance;
 
    class NAPAPI RotateComponent : public Component
    {
        RTTI_ENABLE(Component)
        DECLARE_COMPONENT(RotateComponent, RotateComponentInstance)
    public:
        void getDependentComponents(std::vector<rtti::TypeInfo>& components) const override
        {
            components.push_back(RTTI_OF(TransformComponent));
        }
 
    public:
        RotateProperties mProperties;           
        bool mEnabled = true;                   
    };
 
 
    class NAPAPI RotateComponentInstance : public ComponentInstance
    {
        RTTI_ENABLE(ComponentInstance)
    public:
        RotateComponentInstance(EntityInstance& entity, Component& resource) : ComponentInstance(entity, resource)      { }
 
        virtual bool init(utility::ErrorState& errorState) override;
 
        virtual void update(double deltaTime) override;
 
        void reset();
 
        void enable(bool enable)                                    { mEnabled = enable; }
 
        bool isEnabled() const                                      { return mEnabled; }
 
        /*
         * Sets the rotation speed
         * @param speed rotation speed in seconds
         */
        void setSpeed(float speed)                                  { mProperties.mSpeed = speed; }
 
        float getSpeed() const                                      { return mProperties.mSpeed; }
 
        void setAxis(const glm::vec3& axis)                         { mProperties.mAxis = axis; }
 
        glm::vec3 getAxis() const                                   { return mProperties.mAxis; }
 
        // Rotation properties
        RotateProperties mProperties;
 
    private:
        // Store pointer to transform, set during init
        nap::TransformComponentInstance* mTransform = nullptr;
 
        // Local elapsed time
        double mElapsedTime = 0.0;
 
        // Enable flag
        bool mEnabled = true;
 
        // Initial Rotation value
        glm::quat mInitialRotate = glm::quat();
    };
}