// Update position, check collisions, etc. and draw if particle still lives.
// Return false if particle dies/timeouts in this tick.
public bool Draw(VRageRender.MyBillboard billboard)
{
var actualPosition = m_actualPosition + m_actualPivot;
MyTransparentGeometry.StartParticleProfilingBlock("Distance calculation");
// This time is scaled according to planned lifespan of the particle
// Distance for sorting
billboard.DistanceSquared = (float)Vector3D.DistanceSquared(MyTransparentGeometry.Camera.Translation, actualPosition);
MyTransparentGeometry.EndParticleProfilingBlock();
// If distance to camera is really small don't draw it.
if (billboard.DistanceSquared <= 0.1f)
{
return(false);
}
MyTransparentGeometry.StartParticleProfilingBlock("Quad calculation");
MyTransparentGeometry.StartParticleProfilingBlock("actualRadius");
float actualRadius = 1;
Radius.GetInterpolatedValue <float>(m_normalizedTime, out actualRadius);
MyTransparentGeometry.EndParticleProfilingBlock();
float actualAlphaCutout = 0;
if (AlphaCutout != null)
{
MyTransparentGeometry.StartParticleProfilingBlock("AlphaCutout calculation");
AlphaCutout.GetInterpolatedValue <float>(m_normalizedTime, out actualAlphaCutout);
MyTransparentGeometry.EndParticleProfilingBlock();
}
billboard.ContainedBillboards.Clear();
billboard.Near = m_generation.GetEffect().Near;
billboard.Lowres = m_generation.GetEffect().LowRes || VRageRender.MyRenderConstants.RenderQualityProfile.LowResParticles;
billboard.CustomViewProjection = -1;
billboard.ParentID = -1;
billboard.AlphaCutout = actualAlphaCutout;
float alpha = 1;
if (Type == MyParticleTypeEnum.Point)
{
MyTransparentGeometry.StartParticleProfilingBlock("GetBillboardQuadRotated");
GetBillboardQuadRotated(billboard, ref actualPosition, actualRadius, m_actualAngle);
MyTransparentGeometry.EndParticleProfilingBlock();
}
else if (Type == MyParticleTypeEnum.Line)
{
if (MyUtils.IsZero(Velocity.LengthSquared()))
{
Velocity = MyUtils.GetRandomVector3Normalized();
}
MyQuadD quad = new MyQuadD();
Vector3 actualVelocity = (Vector3)(m_actualPosition - m_previousPosition);
MyPolyLineD polyLine = new MyPolyLineD();
//polyLine.LineDirectionNormalized = MyUtils.Normalize(Velocity);
if (actualVelocity.LengthSquared() > 0)
{
polyLine.LineDirectionNormalized = MyUtils.Normalize(actualVelocity);
}
else
{
polyLine.LineDirectionNormalized = MyUtils.Normalize(Velocity);
}
if (m_actualAngle > 0)
{
polyLine.LineDirectionNormalized = Vector3.TransformNormal(polyLine.LineDirectionNormalized, Matrix.CreateRotationY(MathHelper.ToRadians(m_actualAngle)));
}
float radiusBySpeed = m_generation.RadiusBySpeed;
if (radiusBySpeed > 0)
{
float actualSpeed = actualVelocity.Length();
actualRadius = Math.Max(actualRadius, actualRadius * m_generation.RadiusBySpeed * actualSpeed);
}
polyLine.Point0 = actualPosition;
polyLine.Point1.X = actualPosition.X - polyLine.LineDirectionNormalized.X * actualRadius;
polyLine.Point1.Y = actualPosition.Y - polyLine.LineDirectionNormalized.Y * actualRadius;
polyLine.Point1.Z = actualPosition.Z - polyLine.LineDirectionNormalized.Z * actualRadius;
if (m_actualAngle > 0)
{ //centerize
polyLine.Point0.X = polyLine.Point0.X - polyLine.LineDirectionNormalized.X * actualRadius * 0.5f;
polyLine.Point0.Y = polyLine.Point0.Y - polyLine.LineDirectionNormalized.Y * actualRadius * 0.5f;
polyLine.Point0.Z = polyLine.Point0.Z - polyLine.LineDirectionNormalized.Z * actualRadius * 0.5f;
polyLine.Point1.X = polyLine.Point1.X - polyLine.LineDirectionNormalized.X * actualRadius * 0.5f;
polyLine.Point1.Y = polyLine.Point1.Y - polyLine.LineDirectionNormalized.Y * actualRadius * 0.5f;
polyLine.Point1.Z = polyLine.Point1.Z - polyLine.LineDirectionNormalized.Z * actualRadius * 0.5f;
}
polyLine.Thickness = Thickness;
var camPos = MyTransparentGeometry.Camera.Translation;
MyUtils.GetPolyLineQuad(out quad, ref polyLine, camPos);
if (this.m_generation.AlphaAnisotropic)
{
float angle = 1 - Math.Abs(Vector3.Dot(MyUtils.Normalize(MyTransparentGeometry.Camera.Forward), polyLine.LineDirectionNormalized));
float alphaCone = (float)Math.Pow(angle, 0.5f);
alpha = alphaCone;
}
billboard.Position0 = quad.Point0;
billboard.Position1 = quad.Point1;
billboard.Position2 = quad.Point2;
billboard.Position3 = quad.Point3;
}
else if (Type == MyParticleTypeEnum.Trail)
{
if (Quad.Point0 == Quad.Point2) //not moving particle
{
return(false);
}
if (Quad.Point1 == Quad.Point3) //not moving particle was previous one
{
return(false);
}
if (Quad.Point0 == Quad.Point3) //not moving particle was previous one
{
return(false);
}
billboard.Position0 = Quad.Point0;
billboard.Position1 = Quad.Point1;
billboard.Position2 = Quad.Point2;
billboard.Position3 = Quad.Point3;
//if (this.m_generation.AlphaAnisotropic)
/* { //Trails are anisotropic by default (nobody wants them to see ugly)
* Vector3 lineDir = Vector3.Normalize(Quad.Point1 - Quad.Point0);
* float angle = 1 - Math.Abs(Vector3.Dot(MyMwcUtils.Normalize(MyCamera.ForwardVector), lineDir));
* float alphaCone = (float)Math.Pow(angle, 0.3f);
* alpha = alphaCone;
* }*/
}
else
{
throw new NotSupportedException(Type + " is not supported particle type");
}
MyTransparentGeometry.EndParticleProfilingBlock();
MyTransparentGeometry.StartParticleProfilingBlock("Material calculation");
Vector4 color;
Color.GetInterpolatedValue <Vector4>(m_normalizedTime, out color);
var material1 = MyTransparentMaterials.GetMaterial("ErrorMaterial");
var material2 = MyTransparentMaterials.GetMaterial("ErrorMaterial");
float textureBlendRatio = 0;
if ((Flags & ParticleFlags.BlendTextures) != 0)
{
float prevTime, nextTime, difference;
Material.GetPreviousValue(m_normalizedTime, out material1, out prevTime);
Material.GetNextValue(m_normalizedTime, out material2, out nextTime, out difference);
if (prevTime != nextTime)
{
textureBlendRatio = (m_normalizedTime - prevTime) * difference;
}
}
else
{
Material.GetInterpolatedValue(m_normalizedTime, out material1);
}
MyTransparentGeometry.EndParticleProfilingBlock();
//This gets 0.44ms for 2000 particles
MyTransparentGeometry.StartParticleProfilingBlock("billboard.Start");
billboard.Material = material1.Name;
billboard.BlendMaterial = material2.Name;
billboard.BlendTextureRatio = textureBlendRatio;
billboard.EnableColorize = false;
billboard.Color = color * alpha * m_generation.GetEffect().UserColorMultiplier;
billboard.ColorIntensity = ColorIntensity;
MyTransparentGeometry.EndParticleProfilingBlock();
return(true);
}
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.UserAxisScale, 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);
ColorIntensity.GetInterpolatedValue <float>(m_effect.GetElapsedTime(), out particle.ColorIntensity);
Material.GetInterpolatedKeys(m_effect.GetElapsedTime(), 0, 1.0f, particle.Material);
particle.Flags = 0;
particle.Flags |= BlendTextures.GetValue <bool>() ? MyAnimatedParticle.ParticleFlags.BlendTextures : 0;
if (PivotRotation.GetKeysCount() > 0 && PivotDistance.GetKeysCount() > 0)
{
particle.PivotDistance = new MyAnimatedPropertyFloat(PivotDistance.Name);
particle.PivotRotation = new MyAnimatedPropertyVector3(PivotRotation.Name);
PivotDistance.GetInterpolatedKeys(m_effect.GetElapsedTime(), PivotDistVar, 1.0f, particle.PivotDistance);
PivotRotation.GetInterpolatedKeys(m_effect.GetElapsedTime(), 1.0f, particle.PivotRotation);
}
if (Acceleration.GetKeysCount() > 0)
{
particle.Acceleration = new MyAnimatedPropertyVector3(Acceleration.Name);
float multiplier = MyUtils.GetRandomFloat(1 - AccelerationVar, 1 + AccelerationVar);
Acceleration.GetInterpolatedKeys(m_effect.GetElapsedTime(), multiplier, particle.Acceleration);
}
if (AlphaCutout.GetKeysCount() > 0)
{
particle.AlphaCutout = new MyAnimatedPropertyFloat(AlphaCutout.Name);
AlphaCutout.GetInterpolatedKeys(m_effect.GetElapsedTime(), 0, 1, particle.AlphaCutout);
}
particle.Start(this);
m_particles.Add(particle);
}
// Update position, check collisions, etc. and draw if particle still lives.
// Return false if particle dies/timeouts in this tick.
public bool Draw(VRageRender.MyBillboard billboard)
{
if (Pivot != null && !MyParticlesManager.Paused)
{
if (PivotRotation != null)
{
Matrix pivotRotationTransform =
Matrix.CreateRotationX(MathHelper.ToRadians(m_actualPivotRotation.X) * VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS) *
Matrix.CreateRotationY(MathHelper.ToRadians(m_actualPivotRotation.Y) * VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS) *
Matrix.CreateRotationZ(MathHelper.ToRadians(m_actualPivotRotation.Z) * VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS);
m_actualPivot = Vector3.TransformNormal(m_actualPivot, pivotRotationTransform);
}
m_actualPivot = Vector3D.TransformNormal(m_actualPivot, m_generation.GetEffect().WorldMatrix);
}
var actualPosition = m_actualPosition + m_actualPivot;
MyTransparentGeometry.StartParticleProfilingBlock("Distance calculation");
// This time is scaled according to planned lifespan of the particle
// Distance for sorting
billboard.DistanceSquared = (float)Vector3D.DistanceSquared(MyTransparentGeometry.Camera.Translation, actualPosition);
MyTransparentGeometry.EndParticleProfilingBlock();
// If distance to camera is really small don't draw it.
if (billboard.DistanceSquared <= 0.1f)
{
return(false);
}
MyTransparentGeometry.StartParticleProfilingBlock("Quad calculation");
MyTransparentGeometry.StartParticleProfilingBlock("actualRadius");
float actualRadius = 1;
Radius.GetInterpolatedValue <float>(m_normalizedTime, out actualRadius);
MyTransparentGeometry.EndParticleProfilingBlock();
float actualAlphaCutout = 0;
if (AlphaCutout != null)
{
MyTransparentGeometry.StartParticleProfilingBlock("AlphaCutout calculation");
AlphaCutout.GetInterpolatedValue <float>(m_normalizedTime, out actualAlphaCutout);
MyTransparentGeometry.EndParticleProfilingBlock();
}
billboard.ContainedBillboards.Clear();
billboard.Near = m_generation.GetEffect().Near;
billboard.Lowres = VRageRender.MyRenderConstants.RenderQualityProfile.LowResParticles;
billboard.CustomViewProjection = -1;
billboard.ParentID = -1;
billboard.AlphaCutout = actualAlphaCutout;
billboard.UVOffset = Vector2.Zero;
billboard.UVSize = Vector2.One;
float alpha = 1;
Matrix transform = Matrix.Identity;
Vector3 normal = Vector3.Forward;
Vector3 actualVelocity = (Vector3)(m_actualPosition - m_previousPosition);
float radiusBySpeed = m_generation.RadiusBySpeed;
if (radiusBySpeed > 0)
{
float actualSpeed = actualVelocity.Length();
actualRadius = Math.Max(actualRadius, actualRadius * m_generation.RadiusBySpeed * actualSpeed);
}
if (Type == MyParticleTypeEnum.Point)
{
MyTransparentGeometry.StartParticleProfilingBlock("GetBillboardQuadRotated");
Vector2 actualRadiusV2 = new Vector2(actualRadius, actualRadius);
if (Thickness > 0)
{
actualRadiusV2.Y = Thickness;
}
if (m_generation.RotationReference == MyRotationReference.Camera)
{
transform =
Matrix.CreateFromAxisAngle(MyTransparentGeometry.Camera.Right, m_actualAngle.X) *
Matrix.CreateFromAxisAngle(MyTransparentGeometry.Camera.Up, m_actualAngle.Y) *
Matrix.CreateFromAxisAngle(MyTransparentGeometry.Camera.Forward, m_actualAngle.Z);
GetBillboardQuadRotated(billboard, ref actualPosition, actualRadiusV2, ref transform, MyTransparentGeometry.Camera.Left, MyTransparentGeometry.Camera.Up);
}
else if (m_generation.RotationReference == MyRotationReference.Local)
{
transform = Matrix.CreateFromAxisAngle(m_generation.GetEffect().WorldMatrix.Right, m_actualAngle.X) *
Matrix.CreateFromAxisAngle(m_generation.GetEffect().WorldMatrix.Up, m_actualAngle.Y) *
Matrix.CreateFromAxisAngle(m_generation.GetEffect().WorldMatrix.Forward, m_actualAngle.Z);
GetBillboardQuadRotated(billboard, ref actualPosition, actualRadiusV2, ref transform, m_generation.GetEffect().WorldMatrix.Left, m_generation.GetEffect().WorldMatrix.Up);
}
else if (m_generation.RotationReference == MyRotationReference.Velocity)
{
if (actualVelocity.LengthSquared() < 0.00001f)
{
return(false);
}
Matrix velocityRef = Matrix.CreateFromDir(Vector3.Normalize(actualVelocity));
transform = Matrix.CreateFromAxisAngle(velocityRef.Right, m_actualAngle.X) *
Matrix.CreateFromAxisAngle(velocityRef.Up, m_actualAngle.Y) *
Matrix.CreateFromAxisAngle(velocityRef.Forward, m_actualAngle.Z);
GetBillboardQuadRotated(billboard, ref actualPosition, actualRadiusV2, ref transform, velocityRef.Left, velocityRef.Up);
}
else if (m_generation.RotationReference == MyRotationReference.VelocityAndCamera)
{
if (actualVelocity.LengthSquared() < 0.0001f)
{
return(false);
}
Vector3 cameraToPoint = Vector3.Normalize(m_actualPosition - MyTransparentGeometry.Camera.Translation);
Vector3 velocityDir = Vector3.Normalize(actualVelocity);
Vector3 sideVector = Vector3.Cross(cameraToPoint, velocityDir);
Vector3 upVector = Vector3.Cross(sideVector, velocityDir);
Matrix velocityRef = Matrix.CreateWorld(m_actualPosition, velocityDir, upVector);
transform = Matrix.CreateFromAxisAngle(velocityRef.Right, m_actualAngle.X) *
Matrix.CreateFromAxisAngle(velocityRef.Up, m_actualAngle.Y) *
Matrix.CreateFromAxisAngle(velocityRef.Forward, m_actualAngle.Z);
GetBillboardQuadRotated(billboard, ref actualPosition, actualRadiusV2, ref transform, velocityRef.Left, velocityRef.Up);
}
else if (m_generation.RotationReference == MyRotationReference.LocalAndCamera)
{
Vector3 cameraToPoint = Vector3.Normalize(m_actualPosition - MyTransparentGeometry.Camera.Translation);
Vector3 localDir = m_generation.GetEffect().WorldMatrix.Forward;
float dot = cameraToPoint.Dot(localDir);
Matrix velocityRef;
if (dot >= 0.9999f)
{
// TODO Petr: probably not correct, at least it does not produce NaN positions
velocityRef = Matrix.CreateTranslation(m_actualPosition);
}
else
{
Vector3 sideVector = Vector3.Cross(cameraToPoint, localDir);
Vector3 upVector = Vector3.Cross(sideVector, localDir);
velocityRef = Matrix.CreateWorld(m_actualPosition, localDir, upVector);
}
transform = Matrix.CreateFromAxisAngle(velocityRef.Right, m_actualAngle.X) *
Matrix.CreateFromAxisAngle(velocityRef.Up, m_actualAngle.Y) *
Matrix.CreateFromAxisAngle(velocityRef.Forward, m_actualAngle.Z);
GetBillboardQuadRotated(billboard, ref actualPosition, actualRadiusV2, ref transform, velocityRef.Left, velocityRef.Up);
}
else
{
System.Diagnostics.Debug.Fail("Unknown RotationReference enum");
}
MyTransparentGeometry.EndParticleProfilingBlock();
}
else if (Type == MyParticleTypeEnum.Line)
{
if (MyUtils.IsZero(Velocity.LengthSquared()))
{
Velocity = MyUtils.GetRandomVector3Normalized();
}
MyQuadD quad = new MyQuadD();
MyPolyLineD polyLine = new MyPolyLineD();
//polyLine.LineDirectionNormalized = MyUtils.Normalize(Velocity);
if (actualVelocity.LengthSquared() > 0)
{
polyLine.LineDirectionNormalized = MyUtils.Normalize(actualVelocity);
}
else
{
polyLine.LineDirectionNormalized = MyUtils.Normalize(Velocity);
}
if (m_actualAngle.Z != 0)
{
polyLine.LineDirectionNormalized = Vector3.TransformNormal(polyLine.LineDirectionNormalized, Matrix.CreateRotationY(m_actualAngle.Z));
}
polyLine.Point0 = actualPosition;
polyLine.Point1.X = actualPosition.X - polyLine.LineDirectionNormalized.X * actualRadius;
polyLine.Point1.Y = actualPosition.Y - polyLine.LineDirectionNormalized.Y * actualRadius;
polyLine.Point1.Z = actualPosition.Z - polyLine.LineDirectionNormalized.Z * actualRadius;
if (m_actualAngle.LengthSquared() > 0)
{ //centerize
polyLine.Point0.X = polyLine.Point0.X - polyLine.LineDirectionNormalized.X * actualRadius * 0.5f;
polyLine.Point0.Y = polyLine.Point0.Y - polyLine.LineDirectionNormalized.Y * actualRadius * 0.5f;
polyLine.Point0.Z = polyLine.Point0.Z - polyLine.LineDirectionNormalized.Z * actualRadius * 0.5f;
polyLine.Point1.X = polyLine.Point1.X - polyLine.LineDirectionNormalized.X * actualRadius * 0.5f;
polyLine.Point1.Y = polyLine.Point1.Y - polyLine.LineDirectionNormalized.Y * actualRadius * 0.5f;
polyLine.Point1.Z = polyLine.Point1.Z - polyLine.LineDirectionNormalized.Z * actualRadius * 0.5f;
}
polyLine.Thickness = Thickness;
var camPos = MyTransparentGeometry.Camera.Translation;
MyUtils.GetPolyLineQuad(out quad, ref polyLine, camPos);
transform.Forward = polyLine.LineDirectionNormalized;
billboard.Position0 = quad.Point0;
billboard.Position1 = quad.Point1;
billboard.Position2 = quad.Point2;
billboard.Position3 = quad.Point3;
}
else if (Type == MyParticleTypeEnum.Trail)
{
if (Quad.Point0 == Quad.Point2) //not moving particle
{
return(false);
}
if (Quad.Point1 == Quad.Point3) //not moving particle was previous one
{
return(false);
}
if (Quad.Point0 == Quad.Point3) //not moving particle was previous one
{
return(false);
}
billboard.Position0 = Quad.Point0;
billboard.Position1 = Quad.Point1;
billboard.Position2 = Quad.Point2;
billboard.Position3 = Quad.Point3;
}
else
{
throw new NotSupportedException(Type + " is not supported particle type");
}
if (this.m_generation.AlphaAnisotropic)
{
normal = Vector3.Normalize(Vector3.Cross(billboard.Position0 - billboard.Position1, billboard.Position0 - billboard.Position2));
Vector3 forward = (billboard.Position0 + billboard.Position1 + billboard.Position2 + billboard.Position3) / 4 - MyTransparentGeometry.Camera.Translation;
//Vector3 forward = MyTransparentGeometry.Camera.Forward;
float angle = Math.Abs(Vector3.Dot(MyUtils.Normalize(forward), normal));
float alphaCone = 1 - (float)Math.Pow(1 - angle, 4);
alpha = alphaCone;
}
MyTransparentGeometry.EndParticleProfilingBlock();
MyTransparentGeometry.StartParticleProfilingBlock("Material calculation");
Vector4 color = Vector4.One;
if (Color.GetKeysCount() > 0)
{
Color.GetInterpolatedValue <Vector4>(m_normalizedTime, out color);
}
if (m_arrayIndex != -1)
{
Vector3 arraySize = m_generation.ArraySize;
if (arraySize.X > 0 && arraySize.Y > 0)
{
int arrayOffset = m_generation.ArrayOffset;
int arrayModulo = m_generation.ArrayModulo == 0 ? (int)arraySize.X * (int)arraySize.Y : m_generation.ArrayModulo;
m_arrayIndex = m_arrayIndex % arrayModulo + arrayOffset;
float xDiv = 1.0f / arraySize.X;
float yDiv = 1.0f / arraySize.Y;
int xIndex = m_arrayIndex % (int)arraySize.X;
int yIndex = m_arrayIndex / (int)arraySize.X;
billboard.UVOffset = new Vector2(xDiv * xIndex, yDiv * yIndex);
billboard.UVSize = new Vector2(xDiv, yDiv);
}
}
var material1 = MyTransparentMaterials.GetMaterial("ErrorMaterial");
var material2 = MyTransparentMaterials.GetMaterial("ErrorMaterial");
float textureBlendRatio = 0;
if ((Flags & ParticleFlags.BlendTextures) != 0)
{
float prevTime, nextTime, difference;
Material.GetPreviousValue(m_normalizedTime, out material1, out prevTime);
Material.GetNextValue(m_normalizedTime, out material2, out nextTime, out difference);
if (prevTime != nextTime)
{
textureBlendRatio = (m_normalizedTime - prevTime) * difference;
}
}
else
{
Material.GetInterpolatedValue(m_normalizedTime, out material1);
}
MyTransparentGeometry.EndParticleProfilingBlock();
//This gets 0.44ms for 2000 particles
MyTransparentGeometry.StartParticleProfilingBlock("billboard.Start");
if (material1 != null)
{
billboard.Material = material1.Name;
}
billboard.BlendMaterial = material2.Name;
billboard.BlendTextureRatio = textureBlendRatio;
billboard.EnableColorize = false;
billboard.Color = color * alpha * m_generation.GetEffect().UserColorMultiplier;
billboard.ColorIntensity = ColorIntensity;
billboard.SoftParticleDistanceScale = SoftParticleDistanceScale;
MyTransparentGeometry.EndParticleProfilingBlock();
return(true);
}
private void UpdateParticlesLife()
{
int counter = 0;
VRageRender.MyRenderProxy.GetRenderProfiler().StartProfilingBlock("ParticleGeneration-UpdateParticlesLife");
MyParticleGeneration inheritedGeneration = null;
Vector3D previousParticlePosition = m_effect.WorldMatrix.Translation;
float particlesToCreate = 0;
m_AABB = BoundingBoxD.CreateInvalid();
m_AABB = m_AABB.Include(ref previousParticlePosition);
if (OnDie.GetValue <int>() != -1)
{
inheritedGeneration = GetInheritedGeneration(OnDie.GetValue <int>());
if (inheritedGeneration == null)
{
OnDie.SetValue(-1);
}
else
{
inheritedGeneration.IsInherited = true;
particlesToCreate = inheritedGeneration.m_particlesToCreate;
}
}
VRageRender.MyRenderProxy.GetRenderProfiler().EndProfilingBlock();
VRageRender.MyRenderProxy.GetRenderProfiler().StartProfilingBlock("ParticleGeneration-Update01");
Vector3D previousTrail0 = previousParticlePosition;
Vector3D previousTrail1 = previousParticlePosition;
using (ParticlesLock.AcquireExclusiveUsing())
{
while (counter < m_particles.Count)
{
float motionInheritance;
MotionInheritance.GetInterpolatedValue(m_effect.GetElapsedTime(), out motionInheritance);
MyAnimatedParticle particle = m_particles[counter];
if (motionInheritance > 0)
{
m_effect.CalculateDeltaMatrix = true;
}
if (particle.Update())
{
if (motionInheritance > 0)
{
var delta = m_effect.GetDeltaMatrix();
particle.AddMotionInheritance(ref motionInheritance, ref delta);
}
if (counter == 0)
{
previousParticlePosition = particle.ActualPosition;
previousTrail0 = particle.Quad.Point1;
previousTrail1 = particle.Quad.Point2;
particle.Quad.Point0 = particle.ActualPosition;
particle.Quad.Point2 = particle.ActualPosition;
}
counter++;
if (particle.Type == MyParticleTypeEnum.Trail)
{
if (particle.ActualPosition == previousParticlePosition)
{
particle.Quad.Point0 = particle.ActualPosition;
particle.Quad.Point1 = particle.ActualPosition;
particle.Quad.Point2 = particle.ActualPosition;
particle.Quad.Point3 = particle.ActualPosition;
}
else
{
MyPolyLineD polyLine = new MyPolyLineD();
polyLine.Thickness = particle.Thickness;
polyLine.Point0 = particle.ActualPosition;
polyLine.Point1 = previousParticlePosition;
Vector3D direction = polyLine.Point1 - polyLine.Point0;
Vector3D normalizedDirection = MyUtils.Normalize(polyLine.Point1 - polyLine.Point0);
polyLine.LineDirectionNormalized = normalizedDirection;
var camPos = MyTransparentGeometry.Camera.Translation;
MyUtils.GetPolyLineQuad(out particle.Quad, ref polyLine, camPos);
particle.Quad.Point0 = previousTrail0 + direction * 0.15f;
particle.Quad.Point3 = previousTrail1 + direction * 0.15f;
previousTrail0 = particle.Quad.Point1;
previousTrail1 = particle.Quad.Point2;
}
}
previousParticlePosition = particle.ActualPosition;
m_AABB = m_AABB.Include(ref previousParticlePosition);
continue;
}
if (inheritedGeneration != null)
{
inheritedGeneration.m_particlesToCreate = particlesToCreate;
inheritedGeneration.EffectMatrix = MatrixD.CreateWorld(particle.ActualPosition, Vector3D.Normalize(particle.Velocity), Vector3D.Cross(Vector3D.Left, particle.Velocity));
inheritedGeneration.UpdateParticlesCreation();
}
m_particles.Remove(particle);
MyTransparentGeometry.DeallocateAnimatedParticle(particle);
}
}
VRageRender.MyRenderProxy.GetRenderProfiler().EndProfilingBlock();
}
public bool Update()
{
m_elapsedTime += VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS;
if (m_elapsedTime >= Life)
{
return(false);
}
m_normalizedTime += m_elapsedTimeDivider;
m_velocity += m_generation.GetEffect().Gravity *m_generation.Gravity *VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS;
m_previousPosition = m_actualPosition;
m_actualPosition.X += Velocity.X * VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS;
m_actualPosition.Y += Velocity.Y * VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS;
m_actualPosition.Z += Velocity.Z * VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS;
if (Pivot != null)
{
MyTransparentGeometry.StartParticleProfilingBlock("Pivot calculation");
Pivot.GetInterpolatedValue <Vector3>(m_normalizedTime, out m_actualPivot);
MyTransparentGeometry.EndParticleProfilingBlock();
}
if (Acceleration != null)
{
MyTransparentGeometry.StartParticleProfilingBlock("Acceleration calculation");
Acceleration.GetInterpolatedValue <Vector3>(m_normalizedTime, out m_actualAcceleration);
Matrix transform = Matrix.Identity;
if (m_generation.AccelerationReference == MyAccelerationReference.Camera)
{
transform = MyTransparentGeometry.Camera;
}
else if (m_generation.AccelerationReference == MyAccelerationReference.Local)
{
}
else if ((m_generation.AccelerationReference == MyAccelerationReference.Velocity))
{
Vector3 actualVelocity = (Vector3)(m_actualPosition - m_previousPosition);
if (actualVelocity.LengthSquared() < 0.00001f)
{
m_actualAcceleration = Vector3.Zero;
}
else
{
transform = Matrix.CreateFromDir(Vector3.Normalize(actualVelocity));
}
}
else if ((m_generation.AccelerationReference == MyAccelerationReference.Gravity))
{
if (m_generation.GetEffect().Gravity.LengthSquared() < 0.00001f)
{
m_actualAcceleration = Vector3.Zero;
}
else
{
transform = Matrix.CreateFromDir(Vector3.Normalize(m_generation.GetEffect().Gravity));
}
}
else
{
System.Diagnostics.Debug.Fail("Unknown RotationReference enum");
}
m_actualAcceleration = Vector3.TransformNormal(m_actualAcceleration, transform);
Velocity += m_actualAcceleration * VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS;
MyTransparentGeometry.EndParticleProfilingBlock();
}
if (RotationSpeed != null)
{
Vector3 rotationSpeed;
RotationSpeed.GetInterpolatedValue <Vector3>(m_normalizedTime, out rotationSpeed);
m_actualAngle += new Vector3(MathHelper.ToRadians(rotationSpeed.X), MathHelper.ToRadians(rotationSpeed.Y), MathHelper.ToRadians(rotationSpeed.Z)) * VRage.Game.MyEngineConstants.UPDATE_STEP_SIZE_IN_SECONDS;
}
if (PivotRotation != null)
{
Vector3 pivotRotation;
PivotRotation.GetInterpolatedValue <Vector3>(m_normalizedTime, out pivotRotation);
m_actualPivotRotation += pivotRotation;
}
if (ArrayIndex != null)
{
ArrayIndex.GetInterpolatedValue <int>(m_normalizedTime, out m_arrayIndex);
}
MyUtils.AssertIsValid(m_actualPosition);
MyUtils.AssertIsValid(m_actualAngle);
return(true);
}
