llhudeffectbeam.h

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#ifndef LL_LLHUDEFFECTBEAM_H
#define LL_LLHUDEFFECTBEAM_H

#include "llhudeffect.h"

#include "llframetimer.h"

#include "llinterp.h"

class LLViewerObject;

const S32 NUM_POINTS = 5;

class LLHUDEffectBeam : public LLHUDEffect
{
public:
        /*virtual*/ void setSourceObject(LLViewerObject *objp);

        // A beam can have either a target object or a target position
        void setTargetObject(LLViewerObject *objp);
        void setTargetPos(const LLVector3d &target_pos_global);

        friend class LLHUDObject;
protected:
        LLHUDEffectBeam(const U8 type);
        ~LLHUDEffectBeam();

        /*virtual*/ void render();
        /*virtual*/ void packData(LLMessageSystem *mesgsys);
        /*virtual*/ void unpackData(LLMessageSystem *mesgsys, S32 blocknum);
private:
        void setupParticle(const S32 i);

        
        F32 mKillTime;
        LLFrameTimer mTimer;
        LLInterpLinear<LLVector3d> mInterp[NUM_POINTS];
        LLInterpLinear<F32> mInterpFade[NUM_POINTS];
        LLInterpLinear<F32> mFadeInterp;
        LLVector3d      mTargetPos;
};

#endif // LL_LLHUDEFFECTBEAM_H

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