#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;
}