#include a_samp

/*
Testing the smooth movement of arrows using sin()

Obviously the timer is very rapid, so to compensate, I would have to make them
'streamed' - i.e. only animated if players are near (perhaps within 100 meters)
*/

#define ARROW_MODEL 19198
#define ANIMATION_FPS 30 // Timer calls per second

new arrow, step;
new arrow2, step2;

public OnFilterScriptInit()
{
    arrow = CreateObject(ARROW_MODEL, 0, 0, 4, 0, 0, 0);
    SetTimer("DoAnimFrame", 1000/ANIMATION_FPS, true);

    arrow2 = CreateObject(ARROW_MODEL, 0, 2, 4, 0, 0, 0);
    CallLocalFunction("OnObjectMoved", "i", arrow2);
}

public OnFilterScriptExit()
{
    DestroyObject(arrow);
    DestroyObject(arrow2);
    return 1;
}

forward DoAnimFrame();
public DoAnimFrame()
{
    SetObjectPos(arrow, 0.0, 0.0, 4.0+(floatsin(float(step), degrees)/2));
    step += 5;
    if(step == 360) step = 0;
    return 1;
}

public OnObjectMoved(objectid)
{
    if(objectid == arrow2)
    {
        if(step2 == 0) // First move - UP
        {
            MoveObject(arrow2, 0, 2, 3.5+1, 0.85);
        }
        else // DOWN
        {
            MoveObject(arrow2, 0, 2, 3.5, 0.85);
        }

        step2 = !step2;
    }
    return 1;
}