public void Update(nIDrawable Parent, nSprite[] sprites, float seconds)
{
var s = (Spark) Parent;
var display = sprites [0];
if (!_ready)
Setup(display);
/* position */
s.Position [0] += s.Velocity [0] * seconds;
s.Position [1] += s.Velocity [1] * seconds;
s.Rotation += s.Velocity [2] * seconds;
s.Scale[0] += s.ScaleChange[0] * seconds;
s.Scale[1] += s.ScaleChange[1] * seconds;
/* transparency */
s.Lived += seconds;
Alive = s.Alive;
var visibility = 0f;
if (Alive)
visibility = 1.0f * (s.Lifespan - s.Lived) / s.Lifespan;
s.Tint[3] = visibility;
/* push changes into the display */
if (display != null) {
display.Color.Set(s.Tint);
display.Rotation = s.Rotation;
display.Position.Set(s.Position);
display.Scale.Set(s.Scale);
}
}
public nMotion(nIDrawable parent, nIAnim motion)
{
Parent = parent;
Motion = motion;
Sprites = null;
}
/** Check for participant */
public bool Contains(nIDrawable drawable)
{
return _drawables.Contains(drawable);
}
public void Add(nIDrawable drawable)
{
_drawables.Add(drawable);
}
public void Update(nIDrawable Parent, nSprite[] sprites, float seconds)
{
}
public void Update(nIDrawable Parent, nSprite[] sprites, float seconds)
{
_parent = (Twinkle)Parent;
Life += seconds;
var visible = 0.5f;
var factor = 0f;
if (Life < visible)
factor = (Life / visible);
else
factor = 1.0f - (Life / (Lifespan - visible));
sprites[0].Rotation += _parent.SpinRate * seconds;
sprites[0].Color[3] = factor;
}
public void Update(nIDrawable Parent, nSprite[] sprites, float seconds)
{
_parent = (ScoreDsp) Parent;
Life += seconds;
var factor = 1.0f - (Life / Lifespan);
sprites[0].Color[3] = factor;
sprites[0].Position[1] += _parent.Float * seconds;
}
