public void AddTransform(Matrix transform, float rotation, Color tint, Color color, bool rebuild)
{
LocalTransforms.Add(transform * Matrix.Invert(GlobalTransform));
Rotations.Add(rotation);
Tints.Add(tint);
Colors.Add(color);
if (rebuild)
{
RebuildPrimitive();
}
}
private void CreateBurst()
{
if (ParticleRegistrationCallback != null)
{
// Check if we have not set up any tints/fadepoints/emission offsets and put in some defaults if we have not
if (Tints.Count < 1)
{
Tints.Add(Color.White);
}
if (_sortedFadePoints.Count < 1)
{
if (_fadePoints != null)
{
_sortedFadePoints = _fadePoints.OrderBy(fp => fp.X).ToList();
}
else
{
_sortedFadePoints.Add(new Vector2(0.0f, 1.0f)); _sortedFadePoints.Add(new Vector2(1.0f, 0.0f));
}
}
if (EmissionPointOffsets.Count < 1)
{
EmissionPointOffsets.Add(Vector2.Zero);
}
for (int i = 0; i < _particlesPerBurst; i++)
{
Particle newParticle = new Particle();
newParticle.Duration = _lifespanRange.RandomValue;
newParticle.WorldPosition = WorldPosition + EmissionPointOffsets[(int)Random.Generator.Next(EmissionPointOffsets.Count)];
newParticle.CameraPosition = CameraPosition;
newParticle.Texture = ParticleTexture;
newParticle.Frame = ParticleTexture.Bounds;
newParticle.Origin = new Vector2(ParticleTexture.Width, ParticleTexture.Height) / 2.0f;
newParticle.RenderDepth = RenderDepth;
newParticle.Tint = Tints[(int)Random.Generator.Next(Tints.Count)] * _sortedFadePoints[0].Y;
newParticle.FadePoints = _sortedFadePoints;
newParticle.Visible = true;
newParticle.Direction = Direction + Random.Generator.Next(-Spread, Spread);
newParticle.Gravity = _gravity;
newParticle.GravityAccelerator = _gravityAccelerator;
newParticle.Speed = _speedLaunchRange.RandomValue;
newParticle.SpeedDelta = _speedDeltaRange.RandomValue;
newParticle.SpeedAccelerator = _speedAcceleratorRange.RandomValue;
newParticle.Rotation = _rotationLaunchRange.RandomValue;
newParticle.RotationDelta = _rotationDeltaRange.RandomValue;
newParticle.RotationAccelerator = _rotationAcceleratorRange.RandomValue;
newParticle.Scale = _scaleLaunchRange.RandomValue;
newParticle.ScaleDelta = _scaleDeltaRange.RandomValue;
newParticle.ScaleAccelerator = _scaleDeltaRange.RandomValue;
ParticleRegistrationCallback(newParticle);
}
_burstCount = Math.Max(-1, _burstCount - 1);
if ((_burstCount != 0) && (_timerRegistered))
{
_burstTimer.NextActionDuration = _burstIntervalInMilliseconds;
}
}
}