private void UpdateVisualProperties(Particle particle, ParticleValues values)
{
particle.LayerDepth = particle.AgeInFrames / (float)values.AgeInFrames;
particle.Scale = values.Scale[particle.AgeInFrames] + particle.PengInput * _scaleInputScale;
particle.Alpha = values.Alpha[particle.AgeInFrames] + particle.PengInput * _alphaInputScale;
}
private void UpdatePhysicalProperties(Particle particle, ParticleValues values)
{
var acceleration = values.Acceleration[particle.AgeInFrames] + particle.PengInput * _accelerationInputScale;
var rotationSpeed = values.RotationSpeed[particle.AgeInFrames] + particle.PengInput * _rotationSpeedInputScale;
particle.Pos += particle.Move * _elapsedSeconds;
particle.Move += particle.DirectionVector * acceleration * _elapsedSeconds;
particle.Rotation += rotationSpeed * _elapsedSeconds;
particle.Move *= _dragMultiplier;
}
