/// <summary>
/// For internal use within the Spawn method of ParticleEffect and its subclasses
/// Sets the particle's position, velocity, acceleration, and lifetime
/// Velocity and acceleration are rotated by angle degrees
/// Can pass in a subclass of Particle for more specific behavior
/// </summary>
/// <param name="particle">A Particle, or subclass thereof, to adjust the parameters of and add to the particle list</param>
protected void AddNewParticle(Particle particle, float angle)
{
Matrix rotMatrix = Matrix.CreateRotationZ(MathHelper.ToRadians(angle));
//add randomness in positioning, movement, and life
particle.Position = addRandomSpread(SourcePosition, PositionSpread);
particle.Velocity = Vector2.Transform(addRandomSpread(BaseVelocity, VelocitySpread), rotMatrix);
particle.Acceleration = Vector2.Transform(addRandomSpread(BaseAcceleration, AccelerationSpread), rotMatrix);
particle.LifeTime = addRandomSpread(DefaultParticleLife, ParticleLifeSpread);
mParticles.Add(particle);
}
/// <summary>
/// For internal use within the Spawn method of ParticleEffect and its subclasses
/// Sets the particle's position, velocity, acceleration, and lifetime
/// Can pass in a subclass of Particle for more specific behavior
/// </summary>
/// <param name="particle">A Particle, or subclass thereof, to adjust the parameters of and add to the particle list</param>
protected void AddNewParticle(Particle particle)
{
//add randomness in positioning, movement, and life
particle.Position = addRandomSpread(SourcePosition, PositionSpread);
particle.Velocity = addRandomSpread(BaseVelocity, VelocitySpread);
particle.Acceleration = addRandomSpread(BaseAcceleration, AccelerationSpread);
particle.LifeTime = addRandomSpread(DefaultParticleLife, ParticleLifeSpread);
mParticles.Add(particle);
}
