/// <summary>
/// When this method is called a new particle will be added to the emitter set and NewParticle() will be called to change the
/// initial parameters of the particle if needed.
/// </summary>
protected void Emit()
{
XNACS1Particle particle = new XNACS1Particle(m_Center, m_DefaultSize, m_DefaultLife, m_DefaultTexture);
particle.m_TextureColor = m_DefaultColor;
particle.RemoveFromAutoDrawSet();
m_ParticleList.Add(particle);
NewParticle(particle);
}
protected override void NewParticle(XNACS1Particle particle)
{
float theta = XNACS1Base.RandomFloat(0, (float)(2 * Math.PI));
particle.CenterX = CenterX;
particle.CenterY = CenterY;
Vector2 randomVelocity = new Vector2(XNACS1Base.RandomFloat(-1, 1), XNACS1Base.RandomFloat(-1, 1));
randomVelocity *= 0.2f;
particle.Velocity = randomVelocity;
particle.ShouldTravel = true;
}
/// <summary>
/// Creates a new particle with a random start location, and verticle velocity
/// </summary>1
/// <param name="newParticle"></param>
protected override void NewParticle(XNACS1Particle newParticle)
{
newParticle.CenterX += XNACS1Base.RandomFloat(-(m_FireWidth / 2), (m_FireWidth / 2));
newParticle.CenterY += XNACS1Base.RandomFloat(-1, 1);
Vector2 velocity = m_FireDirection * XNACS1Base.RandomFloat(0, 1);
velocity *= m_Speed;
newParticle.Velocity = velocity;
newParticle.ShouldTravel = true;
}
/// <summary>
/// Overloaded NewParticle Method, gives explosion particles initial velocity and sets
/// ShouldTravel = true.
/// </summary>
/// <param name="newParticle"></param>
protected override void NewParticle(XNACS1Particle newParticle)
{
newParticle.CenterX += XNACS1Base.RandomFloat(-m_Radius / 10, m_Radius / 10);
newParticle.CenterY += XNACS1Base.RandomFloat(-m_Radius / 10, m_Radius / 10);
Vector2 randomVelocity = new Vector2(XNACS1Base.RandomFloat(-1, 1), XNACS1Base.RandomFloat(-1, 1));
randomVelocity.Normalize();
randomVelocity *= m_ExplodeSpeed * XNACS1Base.RandomFloat(.5f, 1);
newParticle.Velocity = randomVelocity;
newParticle.ShouldTravel = true;
}
/// <summary>
///
/// </summary>
/// <param name="newParticle"></param>
protected override void NewParticle(XNACS1Particle newParticle)
{
if (TailTravelMode != ParticleTravelMode.Linear)
{
newParticle.TravelMode = TailTravelMode;
newParticle.Velocity = m_Center - m_LastCenter;
newParticle.Velocity = Vector2.Normalize(newParticle.Velocity) / 100;
newParticle.DisplacementAmplitude = .5f;
newParticle.DisplacementFrequency = .3f;
newParticle.ShouldTravel = true;
}
}
/// <summary>
/// Overloaded UpdateParticle to cause particles to fade as they die.
/// </summary>
/// <param name="particle"></param>
protected override void UpdateParticle(XNACS1Particle particle)
{
int temp = (255 * particle.Life) / m_DefaultLife;
if (temp > 255)
{
temp = 255;
}
else if (temp < 0)
{
temp = 0;
}
particle.m_TextureColor.A = (byte)temp;
}
protected override void UpdateParticle(XNACS1Particle particle)
{
int temp = (255 * particle.Life) / InitialLife;
if (temp > 255)
{
temp = 255;
}
else if (temp < 0)
{
temp = 0;
}
Color tempColor = particle.TextureTintColor;
tempColor.A = (byte)temp;
particle.TextureTintColor = tempColor;
}
/// <summary>
/// This method is called by the Emit method whenever a particle is created. By default
/// particles are created at the Center location of the emitter with InitialLife, InitialSize, DefaultTexture, and DefaultColor.
/// Newly created particles also have shouldtravel set to false and velocity = 0.
/// By overloading this method you can change these properties to make particles emit in different ways.
/// <param name="newParticle">Particle that has just been created and added to the set.</param>
/// <seealso cref="AutoEmitEnabled"/>
/// <seealso cref="InitialLife"/>
/// <seealso cref="InitialSize"/>
/// <seealso cref="DefaultTexture"/>
/// <seealso cref="DefaultColor"/>
/// <seealso cref="EmitFrequency"/>
/// <seealso cref="Emit"/>
/// <seealso cref="UpdateParticle"/>
/// </summary>
protected virtual void NewParticle(XNACS1Particle newParticle)
{
}
/// <summary> /// This is where you define the behavior of particles in the emitter. This method /// will be called once a tick for each particle if the emitter is in the Emitter /// Update Set. /// This is an abstract method and must be overloaded. /// <seealso cref="AddEmitterToUpdateSet"/> /// <seealso cref="RemoveEmitterFromUpdateSet"/> /// </summary> /// <param name="particle">The particle being updated</param> protected abstract void UpdateParticle(XNACS1Particle particle);
/// <summary>
/// Removes a particle from the emitter list.
/// </summary>
/// <param name="particle">Particle to remove.</param>
protected void KillParticle(XNACS1Particle particle)
{
m_ParticleList.Remove(particle);
}
/// <summary> /// This is where you define the behavior of particles in the emitter. This method /// will be called once a tick for each particle if the emitter is in the Emitter /// Update Set. /// This is an abstract method and must be overloaded. /// <seealso cref="AddEmitterToUpdateSet"/> /// <seealso cref="RemoveEmitterFromUpdateSet"/> /// </summary> /// <param name="particle">The particle being updated</param> protected abstract void UpdateParticle(XNACS1Particle particle);
/// <summary>
/// This method is called by the Emit method whenever a particle is created. By default
/// particles are created at the Center location of the emitter with InitialLife, InitialSize, DefaultTexture, and DefaultColor.
/// Newly created particles also have shouldtravel set to false and velocity = 0.
/// By overloading this method you can change these properties to make particles emit in different ways.
/// <param name="newParticle">Particle that has just been created and added to the set.</param>
/// <seealso cref="AutoEmitEnabled"/>
/// <seealso cref="InitialLife"/>
/// <seealso cref="InitialSize"/>
/// <seealso cref="DefaultTexture"/>
/// <seealso cref="DefaultColor"/>
/// <seealso cref="EmitFrequency"/>
/// <seealso cref="Emit"/>
/// <seealso cref="UpdateParticle"/>
/// </summary>
protected virtual void NewParticle(XNACS1Particle newParticle)
{
}
/// <summary>
///
/// </summary>
/// <param name="newParticle"></param>
protected override void NewParticle(XNACS1Particle newParticle)
{
if (TailTravelMode != ParticleTravelMode.Linear) {
newParticle.TravelMode = TailTravelMode;
newParticle.Velocity = m_Center - m_LastCenter;
newParticle.Velocity = Vector2.Normalize(newParticle.Velocity) / 100;
newParticle.DisplacementAmplitude = .5f;
newParticle.DisplacementFrequency = .3f;
newParticle.ShouldTravel = true;
}
}
/// <summary>
/// When this method is called a new particle will be added to the emitter set and NewParticle() will be called to change the
/// initial parameters of the particle if needed.
/// </summary>
protected void Emit()
{
XNACS1Particle particle = new XNACS1Particle(m_Center, m_DefaultSize, m_DefaultLife, m_DefaultTexture);
particle.m_TextureColor = m_DefaultColor;
particle.RemoveFromAutoDrawSet();
m_ParticleList.Add(particle);
NewParticle(particle);
}
/// <summary>
/// Overloaded NewParticle Method, gives explosion particles initial velocity and sets
/// ShouldTravel = true.
/// </summary>
/// <param name="newParticle"></param>
protected override void NewParticle(XNACS1Particle newParticle)
{
newParticle.CenterX += XNACS1Base.RandomFloat(-m_Radius / 10, m_Radius / 10);
newParticle.CenterY += XNACS1Base.RandomFloat(-m_Radius / 10, m_Radius / 10);
Vector2 randomVelocity = new Vector2(XNACS1Base.RandomFloat(-1, 1), XNACS1Base.RandomFloat(-1, 1));
randomVelocity.Normalize();
randomVelocity *= m_ExplodeSpeed * XNACS1Base.RandomFloat(.5f,1);
newParticle.Velocity = randomVelocity;
newParticle.ShouldTravel = true;
}
/// <summary>
/// Overloaded UpdateParticle to cause particles to fade as they die.
/// </summary>
/// <param name="particle"></param>
protected override void UpdateParticle(XNACS1Particle particle)
{
int temp = (255 * particle.Life) / m_DefaultLife;
if (temp > 255) temp = 255;
else if (temp < 0) temp = 0;
particle.m_TextureColor.A = (byte)temp;
}
/// <summary>
/// Removes a particle from the emitter list.
/// </summary>
/// <param name="particle">Particle to remove.</param>
protected void KillParticle(XNACS1Particle particle)
{
m_ParticleList.Remove(particle);
}
/// <summary>
/// Creates a new particle with a random start location, and verticle velocity
/// </summary>1
/// <param name="newParticle"></param>
protected override void NewParticle(XNACS1Particle newParticle)
{
newParticle.CenterX += XNACS1Base.RandomFloat(-(m_FireWidth / 2), (m_FireWidth / 2));
newParticle.CenterY += XNACS1Base.RandomFloat(-1, 1);
Vector2 velocity = m_FireDirection * XNACS1Base.RandomFloat(0, 1);
velocity *= m_Speed;
newParticle.Velocity = velocity;
newParticle.ShouldTravel = true;
}
