public void Update()
{
if (_countPartikel < _maxPartikel)
{
float speed = (float)rnd.NextDouble() * 0.3f + 0.2f;
if (_boothDirections)
{
int negativ = (int)(rnd.NextDouble() * 2);
if (negativ == 1)
speed *= -1;
}
Partikel p = new Partikel(_textureName, (int)(rnd.NextDouble() * 360),
_radius + (float)(rnd.NextDouble() * _range),
speed);
_countPartikel++;
p._alpha = (float)rnd.NextDouble();
p.StartColor = _startColor;
p.EndColor = _endColor;
_shader.CurrentTechnique.Passes[0].Apply();
_shader.Parameters["_colorTex"].SetValue(p.DrawColor.ToVector4());
_partikelList.Add(p);
}
foreach (Partikel p in _partikelList)
{
Vector2 position;
position.X = _position.X + (float)Math.Sin((double)MathHelper.ToRadians(p._angle)) * p._radius;
position.Y = _position.Y + (float)Math.Cos((double)MathHelper.ToRadians(p._angle)) * p._radius;
p.Update(position);
}
}
public void Update()
{
if (_countPartikel < _maxPartikel)
{
rnd = new Random();
Vector2 position = new Vector2((float)(rnd.NextDouble()*_rangeX + _drawField.X),(float)( rnd.NextDouble()* _rangeY + _drawField.Z));
Partikel p = new Partikel(_textureName, position, (float)(rnd.NextDouble()*0.01f));
_countPartikel++;
p.StartColor = _startColor;
p.EndColor = _endColor;
_partikelList.Add(p);
}
foreach (Partikel p in _partikelList)
{
if (p._alpha < 0)
{
Vector2 position = new Vector2((float)(rnd.NextDouble() * _rangeX + _drawField.X), (float)(rnd.NextDouble() * _rangeY + _drawField.Z));
p._position = position;
p._alpha = 0.05f;
p._fadeSpeed = -p._fadeSpeed;
p.Update();
}
else
p.Update();
}
}
public void InitAll()
{
while (_countPartikel < _maxPartikel)
{
Vector2 position = new Vector2((float)(rnd.NextDouble() * _rangeX + _drawField.X), (float)(rnd.NextDouble() * _rangeY + _drawField.Z));
Partikel p = new Partikel(_textureName, position, 1.0f);
p._alpha = 1.0f;
p._fadeSpeed = 1.0f;
p.StartColor = Color.White;
p.EndColor = Color.White;
_countPartikel++;
_partikelList.Add(p);
}
}
public void Update()
{
if (_countPartikel < _maxPartikel)
{
Vector2 position = new Vector2((float)(rnd.NextDouble()*_rangeX + _drawField.X),(float)( rnd.NextDouble()* _rangeY + _drawField.Z));
Partikel p = new Partikel(_textureName, position, (float)(rnd.NextDouble()*0.01f));
_countPartikel++;
p.StartColor = _startColor;
p.EndColor = _endColor;
_partikelList.Add(p);
}
foreach (Partikel p in _partikelList)
{
p._position.X += _speed;
}
}