public void Update(float dt)
{
for (int index = 0; index < this.Particles.Count; ++index)
{
ExplodingUIElementEffect.ExplosionParticle particle = this.Particles[index];
particle.Pos += Utils.PolarToCartesian(particle.angle, particle.speed * dt);
particle.speed -= particle.frictionSlowdownPerSec * dt;
if ((double)particle.speed <= 0.0)
{
particle.speed = 0.0f;
}
particle.rotation += particle.rotationRate * dt;
particle.rotationRate -= (float)((double)particle.frictionSlowdownPerSec * (double)dt * 0.100000001490116);
if ((double)particle.rotationRate <= 0.0)
{
particle.rotationRate = 0.0f;
}
particle.fade -= dt;
if ((double)particle.fade <= 0.0)
{
this.Particles.RemoveAt(index);
--index;
}
else
{
this.Particles[index] = particle;
}
}
}
public void Render(SpriteBatch sb)
{
for (int index = 0; index < this.Particles.Count; ++index)
{
ExplodingUIElementEffect.ExplosionParticle particle = this.Particles[index];
Texture2D texture2D = this.Textures[particle.textureIndex];
if (texture2D.IsDisposed)
{
texture2D = Utils.white;
}
Vector2 scale = new Vector2(particle.Size / (float)texture2D.Width, particle.Size / (float)texture2D.Width);
scale = new Vector2(Math.Min(scale.X, scale.Y), Math.Min(scale.X, scale.Y));
float num = 1f - Math.Min(1f, Math.Max(0.0f, particle.fade / 2f));
FlickeringTextEffect.DrawFlickeringSpriteFull(sb, particle.Pos, particle.rotation, scale, texture2D.GetCentreOrigin(), texture2D, particle.FlickerOffset, particle.Size, 0.0f, (object)OS.currentInstance, Utils.AddativeWhite * (particle.fade / 4f));
}
}