public void Add(Particle particle)
{
int particleIndex = ParticleCount++;
if (particleIndex >= particles.Length)
{
Debug.Warning("Perf Warning: Had to resize particle system: {0} (Ran out of free slots)", GetType().Name);
Array.Resize(ref particles, particles.Length * 2);
}
particles[particleIndex] = particle;
}
public override void UpdateAndDraw(Particle particle, float deltaTime, IRenderTarget target)
{
particle.Speed += new Vector2(0f, 300f) * deltaTime;
particle.Color = initialColor.Transition(endColor, particle.Age / particle.Life);
var backColor = new Color(0, 0, 0, 255).Transition(new Color(0, 0, 0, 0), particle.Age / particle.Life);
particle.Coordinate += particle.Speed * deltaTime;
target.DrawTexture(Texture, particle.Coordinate - new Vector2(2f, 2f), backColor, particle.Scale + new Vector2(4f, 4f), Origin, particle.Rotation.Degree, new Rectangle(Vector2.Zero, Texture.Size));
target.DrawTexture(Texture, particle.Coordinate, particle.Color, particle.Scale, Origin, particle.Rotation.Degree, new Rectangle(Vector2.Zero, Texture.Size));
}
public abstract void UpdateAndDraw(Particle particle, float deltaTime, IRenderTarget target);