CPUParticles2D

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 Go to latest Published: Sep 13, 2025 License: MIT Imports: 30 Imported by: 0

Documentation

Overview

Package CPUParticles2D provides methods for working with CPUParticles2D object instances.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Advanced 

type Advanced = class

Advanced exposes a 1:1 low-level instance of the class, undocumented, for those who know what they are doing.

type Any 

type Any interface {
	gd.IsClass
	AsCPUParticles2D() Instance
}

type DrawOrder 

type DrawOrder int //gd:CPUParticles2D.DrawOrder

const (
	/*Particles are drawn in the order emitted.*/
	DrawOrderIndex DrawOrder = 0
	/*Particles are drawn in order of remaining lifetime. In other words, the particle with the highest lifetime is drawn at the front.*/
	DrawOrderLifetime DrawOrder = 1
)

type EmissionShape 

type EmissionShape int //gd:CPUParticles2D.EmissionShape

const (
	/*All particles will be emitted from a single point.*/
	EmissionShapePoint EmissionShape = 0
	/*Particles will be emitted in the volume of a sphere flattened to two dimensions.*/
	EmissionShapeSphere EmissionShape = 1
	/*Particles will be emitted on the surface of a sphere flattened to two dimensions.*/
	EmissionShapeSphereSurface EmissionShape = 2
	/*Particles will be emitted in the area of a rectangle.*/
	EmissionShapeRectangle EmissionShape = 3
	/*Particles will be emitted at a position chosen randomly among [member emission_points]. Particle color will be modulated by [member emission_colors].*/
	EmissionShapePoints EmissionShape = 4
	/*Particles will be emitted at a position chosen randomly among [member emission_points]. Particle velocity and rotation will be set based on [member emission_normals]. Particle color will be modulated by [member emission_colors].*/
	EmissionShapeDirectedPoints EmissionShape = 5
	/*Represents the size of the [enum EmissionShape] enum.*/
	EmissionShapeMax EmissionShape = 6
)

type Expanded 

type Expanded [1]gdclass.CPUParticles2D

func (Expanded) Restart 

func (self Expanded) Restart(keep_seed bool)

Restarts the particle emitter. If [param keep_seed] is [code]true[/code], the current random seed will be preserved. Useful for seeking and playback.

type Extension 

type Extension[T gdclass.Interface] struct{ gdclass.Extension[T, Instance] }

Extension can be embedded in a new struct to create an extension of this class. T should be the type that is embedding this Extension

func (*Extension[T]) AsCPUParticles2D 

func (self *Extension[T]) AsCPUParticles2D() Instance

func (*Extension[T]) AsCanvasItem 

func (self *Extension[T]) AsCanvasItem() CanvasItem.Instance

func (*Extension[T]) AsNode 

func (self *Extension[T]) AsNode() Node.Instance

func (*Extension[T]) AsNode2D 

func (self *Extension[T]) AsNode2D() Node2D.Instance

func (*Extension[T]) AsObject 

func (self *Extension[T]) AsObject() [1]gd.Object

type ID 

type ID Object.ID

ID is a typed object ID (reference) to an instance of this class, use it to store references to objects with unknown lifetimes, as an ID will not panic on use if the underlying object has been destroyed.

func (ID) Instance 

func (id ID) Instance() (Instance, bool)

type Instance 

type Instance [1]gdclass.CPUParticles2D

CPU-based 2D particle node used to create a variety of particle systems and effects. See also [GPUParticles2D], which provides the same functionality with hardware acceleration, but may not run on older devices. 

var Nil Instance

Nil is a nil/null instance of the class. Equivalent to the zero value.

func New 

func New() Instance

func (Instance) Amount 

func (self Instance) Amount() int

func (Instance) AngleCurve 

func (self Instance) AngleCurve() Curve.Instance

func (Instance) AngleMax 

func (self Instance) AngleMax() Float.X

func (Instance) AngleMin 

func (self Instance) AngleMin() Float.X

func (Instance) AngularVelocityCurve 

func (self Instance) AngularVelocityCurve() Curve.Instance

func (Instance) AngularVelocityMax 

func (self Instance) AngularVelocityMax() Float.X

func (Instance) AngularVelocityMin 

func (self Instance) AngularVelocityMin() Float.X

func (Instance) AnimOffsetCurve 

func (self Instance) AnimOffsetCurve() Curve.Instance

func (Instance) AnimOffsetMax 

func (self Instance) AnimOffsetMax() Float.X

func (Instance) AnimOffsetMin 

func (self Instance) AnimOffsetMin() Float.X

func (Instance) AnimSpeedCurve 

func (self Instance) AnimSpeedCurve() Curve.Instance

func (Instance) AnimSpeedMax 

func (self Instance) AnimSpeedMax() Float.X

func (Instance) AnimSpeedMin 

func (self Instance) AnimSpeedMin() Float.X

func (Instance) AsCPUParticles2D 

func (self Instance) AsCPUParticles2D() Instance

func (Instance) AsCanvasItem 

func (self Instance) AsCanvasItem() CanvasItem.Instance

func (Instance) AsNode 

func (self Instance) AsNode() Node.Instance

func (Instance) AsNode2D 

func (self Instance) AsNode2D() Node2D.Instance

func (Instance) AsObject 

func (self Instance) AsObject() [1]gd.Object

func (Instance) Color 

func (self Instance) Color() Color.RGBA

func (Instance) ColorInitialRamp 

func (self Instance) ColorInitialRamp() Gradient.Instance

func (Instance) ColorRamp 

func (self Instance) ColorRamp() Gradient.Instance

func (Instance) ConvertFromParticles 

func (self Instance) ConvertFromParticles(particles Node.Instance)

Sets this node's properties to match a given [GPUParticles2D] node with an assigned [ParticleProcessMaterial].

func (Instance) DampingCurve 

func (self Instance) DampingCurve() Curve.Instance

func (Instance) DampingMax 

func (self Instance) DampingMax() Float.X

func (Instance) DampingMin 

func (self Instance) DampingMin() Float.X

func (Instance) Direction 

func (self Instance) Direction() Vector2.XY

func (Instance) DrawOrder 

func (self Instance) DrawOrder() DrawOrder

func (Instance) EmissionColors 

func (self Instance) EmissionColors() []Color.RGBA

func (Instance) EmissionNormals 

func (self Instance) EmissionNormals() []Vector2.XY

func (Instance) EmissionPoints 

func (self Instance) EmissionPoints() []Vector2.XY

func (Instance) EmissionRectExtents 

func (self Instance) EmissionRectExtents() Vector2.XY

func (Instance) EmissionShape 

func (self Instance) EmissionShape() EmissionShape

func (Instance) EmissionSphereRadius 

func (self Instance) EmissionSphereRadius() Float.X

func (Instance) Emitting 

func (self Instance) Emitting() bool

func (Instance) Explosiveness 

func (self Instance) Explosiveness() Float.X

func (Instance) FixedFps 

func (self Instance) FixedFps() int

func (Instance) FractDelta 

func (self Instance) FractDelta() bool

func (Instance) Gravity 

func (self Instance) Gravity() Vector2.XY

func (Instance) HueVariationCurve 

func (self Instance) HueVariationCurve() Curve.Instance

func (Instance) HueVariationMax 

func (self Instance) HueVariationMax() Float.X

func (Instance) HueVariationMin 

func (self Instance) HueVariationMin() Float.X

func (Instance) ID 

func (self Instance) ID() ID

func (Instance) InitialVelocityMax 

func (self Instance) InitialVelocityMax() Float.X

func (Instance) InitialVelocityMin 

func (self Instance) InitialVelocityMin() Float.X

func (Instance) Lifetime 

func (self Instance) Lifetime() Float.X

func (Instance) LifetimeRandomness 

func (self Instance) LifetimeRandomness() Float.X

func (Instance) LinearAccelCurve 

func (self Instance) LinearAccelCurve() Curve.Instance

func (Instance) LinearAccelMax 

func (self Instance) LinearAccelMax() Float.X

func (Instance) LinearAccelMin 

func (self Instance) LinearAccelMin() Float.X

func (Instance) LocalCoords 

func (self Instance) LocalCoords() bool

func (Instance) OnFinished 

func (self Instance) OnFinished(cb func(), flags ...Signal.Flags)

func (Instance) OneShot 

func (self Instance) OneShot() bool

func (Instance) OrbitVelocityCurve 

func (self Instance) OrbitVelocityCurve() Curve.Instance

func (Instance) OrbitVelocityMax 

func (self Instance) OrbitVelocityMax() Float.X

func (Instance) OrbitVelocityMin 

func (self Instance) OrbitVelocityMin() Float.X

func (Instance) ParticleFlagAlignY 

func (self Instance) ParticleFlagAlignY() bool

func (Instance) Preprocess 

func (self Instance) Preprocess() Float.X

func (Instance) RadialAccelCurve 

func (self Instance) RadialAccelCurve() Curve.Instance

func (Instance) RadialAccelMax 

func (self Instance) RadialAccelMax() Float.X

func (Instance) RadialAccelMin 

func (self Instance) RadialAccelMin() Float.X

func (Instance) Randomness 

func (self Instance) Randomness() Float.X

func (Instance) RequestParticlesProcess 

func (self Instance) RequestParticlesProcess(process_time Float.X)

Requests the particles to process for extra process time during a single frame. Useful for particle playback, if used in combination with [member use_fixed_seed] or by calling [method restart] with parameter [code]keep_seed[/code] set to [code]true[/code].

func (Instance) Restart 

func (self Instance) Restart()

Restarts the particle emitter. If [param keep_seed] is [code]true[/code], the current random seed will be preserved. Useful for seeking and playback.

func (Instance) ScaleAmountCurve 

func (self Instance) ScaleAmountCurve() Curve.Instance

func (Instance) ScaleAmountMax 

func (self Instance) ScaleAmountMax() Float.X

func (Instance) ScaleAmountMin 

func (self Instance) ScaleAmountMin() Float.X

func (Instance) ScaleCurveX 

func (self Instance) ScaleCurveX() Curve.Instance

func (Instance) ScaleCurveY 

func (self Instance) ScaleCurveY() Curve.Instance

func (Instance) Seed 

func (self Instance) Seed() int

func (Instance) SetAmount 

func (self Instance) SetAmount(value int)

func (Instance) SetAngleCurve 

func (self Instance) SetAngleCurve(value Curve.Instance)

func (Instance) SetAngleMax 

func (self Instance) SetAngleMax(value Float.X)

func (Instance) SetAngleMin 

func (self Instance) SetAngleMin(value Float.X)

func (Instance) SetAngularVelocityCurve 

func (self Instance) SetAngularVelocityCurve(value Curve.Instance)

func (Instance) SetAngularVelocityMax 

func (self Instance) SetAngularVelocityMax(value Float.X)

func (Instance) SetAngularVelocityMin 

func (self Instance) SetAngularVelocityMin(value Float.X)

func (Instance) SetAnimOffsetCurve 

func (self Instance) SetAnimOffsetCurve(value Curve.Instance)

func (Instance) SetAnimOffsetMax 

func (self Instance) SetAnimOffsetMax(value Float.X)

func (Instance) SetAnimOffsetMin 

func (self Instance) SetAnimOffsetMin(value Float.X)

func (Instance) SetAnimSpeedCurve 

func (self Instance) SetAnimSpeedCurve(value Curve.Instance)

func (Instance) SetAnimSpeedMax 

func (self Instance) SetAnimSpeedMax(value Float.X)

func (Instance) SetAnimSpeedMin 

func (self Instance) SetAnimSpeedMin(value Float.X)

func (Instance) SetColor 

func (self Instance) SetColor(value Color.RGBA)

func (Instance) SetColorInitialRamp 

func (self Instance) SetColorInitialRamp(value Gradient.Instance)

func (Instance) SetColorRamp 

func (self Instance) SetColorRamp(value Gradient.Instance)

func (Instance) SetDampingCurve 

func (self Instance) SetDampingCurve(value Curve.Instance)

func (Instance) SetDampingMax 

func (self Instance) SetDampingMax(value Float.X)

func (Instance) SetDampingMin 

func (self Instance) SetDampingMin(value Float.X)

func (Instance) SetDirection 

func (self Instance) SetDirection(value Vector2.XY)

func (Instance) SetDrawOrder 

func (self Instance) SetDrawOrder(value DrawOrder)

func (Instance) SetEmissionColors 

func (self Instance) SetEmissionColors(value []Color.RGBA)

func (Instance) SetEmissionNormals 

func (self Instance) SetEmissionNormals(value []Vector2.XY)

func (Instance) SetEmissionPoints 

func (self Instance) SetEmissionPoints(value []Vector2.XY)

func (Instance) SetEmissionRectExtents 

func (self Instance) SetEmissionRectExtents(value Vector2.XY)

func (Instance) SetEmissionShape 

func (self Instance) SetEmissionShape(value EmissionShape)

func (Instance) SetEmissionSphereRadius 

func (self Instance) SetEmissionSphereRadius(value Float.X)

func (Instance) SetEmitting 

func (self Instance) SetEmitting(value bool)

func (Instance) SetExplosiveness 

func (self Instance) SetExplosiveness(value Float.X)

func (Instance) SetFixedFps 

func (self Instance) SetFixedFps(value int)

func (Instance) SetFractDelta 

func (self Instance) SetFractDelta(value bool)

func (Instance) SetGravity 

func (self Instance) SetGravity(value Vector2.XY)

func (Instance) SetHueVariationCurve 

func (self Instance) SetHueVariationCurve(value Curve.Instance)

func (Instance) SetHueVariationMax 

func (self Instance) SetHueVariationMax(value Float.X)

func (Instance) SetHueVariationMin 

func (self Instance) SetHueVariationMin(value Float.X)

func (Instance) SetInitialVelocityMax 

func (self Instance) SetInitialVelocityMax(value Float.X)

func (Instance) SetInitialVelocityMin 

func (self Instance) SetInitialVelocityMin(value Float.X)

func (Instance) SetLifetime 

func (self Instance) SetLifetime(value Float.X)

func (Instance) SetLifetimeRandomness 

func (self Instance) SetLifetimeRandomness(value Float.X)

func (Instance) SetLinearAccelCurve 

func (self Instance) SetLinearAccelCurve(value Curve.Instance)

func (Instance) SetLinearAccelMax 

func (self Instance) SetLinearAccelMax(value Float.X)

func (Instance) SetLinearAccelMin 

func (self Instance) SetLinearAccelMin(value Float.X)

func (Instance) SetLocalCoords 

func (self Instance) SetLocalCoords(value bool)

func (*Instance) SetObject 

func (self *Instance) SetObject(obj [1]gd.Object) bool

func (Instance) SetOneShot 

func (self Instance) SetOneShot(value bool)

func (Instance) SetOrbitVelocityCurve 

func (self Instance) SetOrbitVelocityCurve(value Curve.Instance)

func (Instance) SetOrbitVelocityMax 

func (self Instance) SetOrbitVelocityMax(value Float.X)

func (Instance) SetOrbitVelocityMin 

func (self Instance) SetOrbitVelocityMin(value Float.X)

func (Instance) SetParticleFlagAlignY 

func (self Instance) SetParticleFlagAlignY(value bool)

func (Instance) SetPreprocess 

func (self Instance) SetPreprocess(value Float.X)

func (Instance) SetRadialAccelCurve 

func (self Instance) SetRadialAccelCurve(value Curve.Instance)

func (Instance) SetRadialAccelMax 

func (self Instance) SetRadialAccelMax(value Float.X)

func (Instance) SetRadialAccelMin 

func (self Instance) SetRadialAccelMin(value Float.X)

func (Instance) SetRandomness 

func (self Instance) SetRandomness(value Float.X)

func (Instance) SetScaleAmountCurve 

func (self Instance) SetScaleAmountCurve(value Curve.Instance)

func (Instance) SetScaleAmountMax 

func (self Instance) SetScaleAmountMax(value Float.X)

func (Instance) SetScaleAmountMin 

func (self Instance) SetScaleAmountMin(value Float.X)

func (Instance) SetScaleCurveX 

func (self Instance) SetScaleCurveX(value Curve.Instance)

func (Instance) SetScaleCurveY 

func (self Instance) SetScaleCurveY(value Curve.Instance)

func (Instance) SetSeed 

func (self Instance) SetSeed(value int)

func (Instance) SetSpeedScale 

func (self Instance) SetSpeedScale(value Float.X)

func (Instance) SetSplitScale 

func (self Instance) SetSplitScale(value bool)

func (Instance) SetSpread 

func (self Instance) SetSpread(value Float.X)

func (Instance) SetTangentialAccelCurve 

func (self Instance) SetTangentialAccelCurve(value Curve.Instance)

func (Instance) SetTangentialAccelMax 

func (self Instance) SetTangentialAccelMax(value Float.X)

func (Instance) SetTangentialAccelMin 

func (self Instance) SetTangentialAccelMin(value Float.X)

func (Instance) SetTexture 

func (self Instance) SetTexture(value Texture2D.Instance)

func (Instance) SetUseFixedSeed 

func (self Instance) SetUseFixedSeed(value bool)

func (Instance) SpeedScale 

func (self Instance) SpeedScale() Float.X

func (Instance) SplitScale 

func (self Instance) SplitScale() bool

func (Instance) Spread 

func (self Instance) Spread() Float.X

func (Instance) TangentialAccelCurve 

func (self Instance) TangentialAccelCurve() Curve.Instance

func (Instance) TangentialAccelMax 

func (self Instance) TangentialAccelMax() Float.X

func (Instance) TangentialAccelMin 

func (self Instance) TangentialAccelMin() Float.X

func (Instance) Texture 

func (self Instance) Texture() Texture2D.Instance

func (Instance) UseFixedSeed 

func (self Instance) UseFixedSeed() bool

func (Instance) Virtual 

func (self Instance) Virtual(name string) reflect.Value

type Parameter 

type Parameter int //gd:CPUParticles2D.Parameter

const (
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set initial velocity properties.*/
	ParamInitialLinearVelocity Parameter = 0
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set angular velocity properties.*/
	ParamAngularVelocity Parameter = 1
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set orbital velocity properties.*/
	ParamOrbitVelocity Parameter = 2
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set linear acceleration properties.*/
	ParamLinearAccel Parameter = 3
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set radial acceleration properties.*/
	ParamRadialAccel Parameter = 4
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set tangential acceleration properties.*/
	ParamTangentialAccel Parameter = 5
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set damping properties.*/
	ParamDamping Parameter = 6
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set angle properties.*/
	ParamAngle Parameter = 7
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set scale properties.*/
	ParamScale Parameter = 8
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set hue variation properties.*/
	ParamHueVariation Parameter = 9
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set animation speed properties.*/
	ParamAnimSpeed Parameter = 10
	/*Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set animation offset properties.*/
	ParamAnimOffset Parameter = 11
	/*Represents the size of the [enum Parameter] enum.*/
	ParamMax Parameter = 12
)

type ParticleFlags 

type ParticleFlags int //gd:CPUParticles2D.ParticleFlags

const (
	/*Use with [method set_particle_flag] to set [member particle_flag_align_y].*/
	ParticleFlagAlignYToVelocity ParticleFlags = 0
	/*Present for consistency with 3D particle nodes, not used in 2D.*/
	ParticleFlagRotateY ParticleFlags = 1
	/*Present for consistency with 3D particle nodes, not used in 2D.*/
	ParticleFlagDisableZ ParticleFlags = 2
	/*Represents the size of the [enum ParticleFlags] enum.*/
	ParticleFlagMax ParticleFlags = 3
)

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