/// <summary>
/// When overridden in the derived class, handles processing the <paramref name="particle"/> when
/// it is updated. Only valid if <see cref="ParticleModifier.ProcessOnUpdate"/> is set.
/// </summary>
/// <param name="emitter">The <see cref="ParticleEmitter"/> that the <paramref name="particle"/>
/// came from.</param>
/// <param name="particle">The <see cref="Particle"/> to process.</param>
/// <param name="elapsedTime">The amount of time that has elapsed since the <paramref name="emitter"/>
/// was last updated.</param>
protected override void HandleProcessUpdated(ParticleEmitter emitter, Particle particle, int elapsedTime)
{
var agePercent = particle.GetAgePercent(CurrentTime);
if (AllBitsSet())
{
particle.Color = ReleaseColor.Lerp(UltimateColor, agePercent);
}
else
{
byte r, g, b, a;
if (ModifyRed)
{
r = (byte)MathHelper.Lerp(ReleaseColor.R, UltimateColor.R, agePercent);
}
else
{
r = particle.Color.R;
}
if (ModifyGreen)
{
g = (byte)MathHelper.Lerp(ReleaseColor.G, UltimateColor.G, agePercent);
}
else
{
g = particle.Color.G;
}
if (ModifyBlue)
{
b = (byte)MathHelper.Lerp(ReleaseColor.B, UltimateColor.B, agePercent);
}
else
{
b = particle.Color.B;
}
if (ModifyAlpha)
{
a = (byte)MathHelper.Lerp(ReleaseColor.A, UltimateColor.A, agePercent);
}
else
{
a = particle.Color.A;
}
particle.Color = new Color(r, g, b, a);
}
}
/// <summary>
/// When overridden in the derived class, handles processing the <paramref name="particle"/> when
/// it is updated. Only valid if <see cref="ParticleModifier.ProcessOnUpdate"/> is set.
/// </summary>
/// <param name="emitter">The <see cref="ParticleEmitter"/> that the <paramref name="particle"/>
/// came from.</param>
/// <param name="particle">The <see cref="Particle"/> to process.</param>
/// <param name="elapsedTime">The amount of time that has elapsed since the <paramref name="emitter"/>
/// was last updated.</param>
protected override void HandleProcessUpdated(ParticleEmitter emitter, Particle particle, int elapsedTime)
{
var agePercent = particle.GetAgePercent(CurrentTime);
if (AllBitsSet())
particle.Color = ReleaseColor.Lerp(UltimateColor, agePercent);
else
{
byte r, g, b, a;
if (ModifyRed)
r = (byte)MathHelper.Lerp(ReleaseColor.R, UltimateColor.R, agePercent);
else
r = particle.Color.R;
if (ModifyGreen)
g = (byte)MathHelper.Lerp(ReleaseColor.G, UltimateColor.G, agePercent);
else
g = particle.Color.G;
if (ModifyBlue)
b = (byte)MathHelper.Lerp(ReleaseColor.B, UltimateColor.B, agePercent);
else
b = particle.Color.B;
if (ModifyAlpha)
a = (byte)MathHelper.Lerp(ReleaseColor.A, UltimateColor.A, agePercent);
else
a = particle.Color.A;
particle.Color = new Color(r, g, b, a);
}
}
/// <summary>
/// When overridden in the derived class, handles processing the <paramref name="particle"/> when
/// it is updated. Only valid if <see cref="ParticleModifier.ProcessOnUpdate"/> is set.
/// </summary>
/// <param name="emitter">The <see cref="ParticleEmitter"/> that the <paramref name="particle"/>
/// came from.</param>
/// <param name="particle">The <see cref="Particle"/> to process.</param>
/// <param name="elapsedTime">The amount of time that has elapsed since the <paramref name="emitter"/>
/// was last updated.</param>
protected override void HandleProcessUpdated(ParticleEmitter emitter, Particle particle, int elapsedTime)
{
particle.Scale = MathHelper.Lerp(InitialScale, UltimateScale, particle.GetAgePercent(CurrentTime));
}
/// <summary>
/// When overridden in the derived class, handles processing the <paramref name="particle"/> when
/// it is updated. Only valid if <see cref="ParticleModifier.ProcessOnUpdate"/> is set.
/// </summary>
/// <param name="emitter">The <see cref="ParticleEmitter"/> that the <paramref name="particle"/>
/// came from.</param>
/// <param name="particle">The <see cref="Particle"/> to process.</param>
/// <param name="elapsedTime">The amount of time that has elapsed since the <paramref name="emitter"/>
/// was last updated.</param>
protected override void HandleProcessUpdated(ParticleEmitter emitter, Particle particle, int elapsedTime)
{
particle.Scale = MathHelper.Lerp(InitialScale, UltimateScale, particle.GetAgePercent(CurrentTime));
}