SCR_MoveInCircleComponent.c

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class SCR_MoveInCircleComponentClass : ScriptComponentClass
{
}
 
class SCR_MoveInCircleComponent : ScriptComponent
{
    protected ref TVectorArray m_CirclePoints = {};
    protected float m_fElapsedTime = 0;
    
    //------------------------------------------------------------------------------------------------
    override protected void EOnFixedFrame(IEntity owner, float timeSlice)
    {
        super.EOnFixedFrame(owner, timeSlice);
        
        m_fElapsedTime += timeSlice / 10;
        if(m_fElapsedTime >= 1)
            m_fElapsedTime -= 1;
        
        vector mat[4];
        Math3D.MatrixIdentity4(mat);
        
        mat[3] = Math3D.Curve(ECurveType.NaturalCubic, m_fElapsedTime, m_CirclePoints);
        Math3D.AnglesToMatrix(Vector(Math.Lerp(0, 360, m_fElapsedTime), 0.0, 0.0), mat);
        owner.SetTransform(mat);
    }
    
    //------------------------------------------------------------------------------------------------
    override void OnPostInit(IEntity owner)
    {
        super.OnPostInit(owner);
        
        SetEventMask(owner, EntityEvent.INIT | EntityEvent.FIXEDFRAME);
    }
 
    //------------------------------------------------------------------------------------------------
    override void EOnInit(IEntity owner)
    {
        vector entityPos = owner.GetOrigin();
        for (float i = 0; i < Math.PI2; )
        {
            float x = Math.Cos(i) * 10;
            float y = Math.Sin(i) * 10;
            i = i + 0.03;
            m_CirclePoints.Insert(Vector(entityPos[0] + x, entityPos[1], entityPos[2] + y));
        }
    }
 
    //------------------------------------------------------------------------------------------------
    // constructor
    void SCR_MoveInCircleComponent(IEntityComponentSource src, IEntity ent, IEntity parent)
    {
    }
}