private void CreateParticle(Vector3D interpolatedEffectPosition)
{
MyAnimatedParticle particle = MyTransparentGeometry.AddAnimatedParticle();
if (particle == null)
{
return;
}
particle.Type = (MyParticleTypeEnum)ParticleType.GetValue <int>();
MyUtils.AssertIsValid(m_effect.WorldMatrix);
Vector3D startOffset;
m_emitter.CalculateStartPosition(m_effect.GetElapsedTime(), MatrixD.CreateWorld(interpolatedEffectPosition, m_effect.WorldMatrix.Forward, m_effect.WorldMatrix.Up), m_effect.UserEmitterScale * m_effect.UserScale, out startOffset, out particle.StartPosition);
Vector3D particlePosition = particle.StartPosition;
m_AABB = m_AABB.Include(ref particlePosition);
Life.GetInterpolatedValue <float>(m_effect.GetElapsedTime(), out particle.Life);
float lifeVar = LifeVar;
if (lifeVar > 0)
{
particle.Life = MathHelper.Max(MyUtils.GetRandomFloat(particle.Life - lifeVar, particle.Life + lifeVar), 0.1f);
}
Vector3 vel;
Velocity.GetInterpolatedValue <Vector3>(m_effect.GetElapsedTime(), out vel);
vel.X *= m_effect.UserScale;
vel.Y *= m_effect.UserScale;
vel.Z *= m_effect.UserScale;
particle.Velocity = vel;
if (VelocityDir == MyVelocityDirEnum.FromEmitterCenter)
{
if (!MyUtils.IsZero(startOffset - particle.StartPosition))
{
float length = particle.Velocity.Length();
particle.Velocity = MyUtils.Normalize(particle.StartPosition - (Vector3D)startOffset) * length;
}
}
particle.Velocity = Vector3D.TransformNormal(particle.Velocity, GetEffect().WorldMatrix);
Angle.GetInterpolatedValue <float>(m_effect.GetElapsedTime(), out particle.Angle);
float angleVar = AngleVar;
if (angleVar > 0)
{
particle.Angle = MyUtils.GetRandomFloat(particle.Angle - AngleVar, particle.Angle + AngleVar);
}
RotationSpeed.GetInterpolatedValue <float>(m_effect.GetElapsedTime(), out particle.RotationSpeed);
float rotationSpeedVar = RotationSpeedVar;
if (rotationSpeedVar > 0)
{
particle.RotationSpeed = MyUtils.GetRandomFloat(particle.RotationSpeed - RotationSpeedVar, particle.RotationSpeed + RotationSpeedVar);
}
float radiusVar;
RadiusVar.GetInterpolatedValue <float>(m_effect.GetElapsedTime(), out radiusVar);
float lodRadius = 1.0f;
if (GetEffect().EnableLods)
{
LODRadius.GetInterpolatedValue <float>(GetEffect().Distance, out lodRadius);
}
Radius.GetInterpolatedKeys(m_effect.GetElapsedTime(),
radiusVar,
(EnableCustomRadius.GetValue <bool>() ? m_effect.UserRadiusMultiplier : 1.0f)
* lodRadius
* GetEffect().UserScale,
particle.Radius);
if (particle.Type != MyParticleTypeEnum.Point)
{
Thickness.GetInterpolatedValue <float>(m_effect.GetElapsedTime(), out particle.Thickness);
}
particle.Thickness *= lodRadius;
float colorVar;
ColorVar.GetInterpolatedValue <float>(m_effect.GetElapsedTime(), out colorVar);
Color.GetInterpolatedKeys(m_effect.GetElapsedTime(), colorVar, 1.0f, particle.Color);
Material.GetInterpolatedKeys(m_effect.GetElapsedTime(), 0, 1.0f, particle.Material);
particle.Flags = 0;
particle.Flags |= BlendTextures.GetValue <bool>() ? MyAnimatedParticle.ParticleFlags.BlendTextures : 0;
particle.Flags |= GetEffect().IsInFrustum ? MyAnimatedParticle.ParticleFlags.IsInFrustum : 0;
particle.Start(this);
m_particles.Add(particle);
}