CPU-based 2D particle emitter.
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.
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Sets this node's properties to match a given [GPUParticles2D] node with an assigned [ParticlesMaterial].
Returns the [Curve] of the parameter specified by [enum Parameter].
Returns the enabled state of the given flag (see [enum ParticleFlags] for options).
Restarts the particle emitter.
Sets the [Curve] of the parameter specified by [enum Parameter].
Enables or disables the given flag (see [enum ParticleFlags] for options).
Number of particles emitted in one emission cycle.
Each particle's rotation will be animated along this [Curve].
Each particle's angular velocity will vary along this [Curve].
Each particle's animation offset will vary along this [Curve].
Each particle's animation speed will vary along this [Curve].
Each particle's initial color. If [member texture] is defined, it will be multiplied by this color.
Each particle's color will vary along this [Gradient] (multiplied with [member color]).
Damping will vary along this [Curve].
Unit vector specifying the particles' emission direction.
Particle draw order. Uses [enum DrawOrder] values.
Sets the [Color]s to modulate particles by when using [constant EMISSION_SHAPE_POINTS] or [constant EMISSION_SHAPE_DIRECTED_POINTS].
Sets the direction the particles will be emitted in when using [constant EMISSION_SHAPE_DIRECTED_POINTS].
Sets the initial positions to spawn particles when using [constant EMISSION_SHAPE_POINTS] or [constant EMISSION_SHAPE_DIRECTED_POINTS].
The rectangle's extents if [member emission_shape] is set to [constant EMISSION_SHAPE_RECTANGLE].
Particles will be emitted inside this region. See [enum EmissionShape] for possible values.
The sphere's radius if [member emission_shape] is set to [constant EMISSION_SHAPE_SPHERE].
If [code]true[/code], particles are being emitted.
How rapidly particles in an emission cycle are emitted. If greater than [code]0[/code], there will be a gap in emissions before the next cycle begins.
The particle system's frame rate is fixed to a value. For instance, changing the value to 2 will make the particles render at 2 frames per second. Note this does not slow down the simulation of the particle system itself.
If [code]true[/code], results in fractional delta calculation which has a smoother particles display effect.
Gravity applied to every particle.
Each particle's hue will vary along this [Curve].
Amount of time each particle will exist.
Particle lifetime randomness ratio.
Each particle's linear acceleration will vary along this [Curve].
If [code]true[/code], particles use the parent node's coordinate space. If [code]false[/code], they use global coordinates.
If [code]true[/code], only one emission cycle occurs. If set [code]true[/code] during a cycle, emission will stop at the cycle's end.
Each particle's orbital velocity will vary along this [Curve].
Align Y axis of particle with the direction of its velocity.
Particle system starts as if it had already run for this many seconds.
Each particle's radial acceleration will vary along this [Curve].
Emission lifetime randomness ratio.
Each particle's scale will vary along this [Curve].
Particle system's running speed scaling ratio. A value of [code]0[/code] can be used to pause the particles.
Each particle's initial direction range from [code]+spread[/code] to [code]-spread[/code] degrees.
Each particle's tangential acceleration will vary along this [Curve].
Particle texture. If [code]null[/code], particles will be squares.
Particles are drawn in the order emitted.
Particles are drawn in order of remaining lifetime.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set initial velocity properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set angular velocity properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set orbital velocity properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set linear acceleration properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set radial acceleration properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set tangential acceleration properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set damping properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set angle properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set scale properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set hue variation properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set animation speed properties.
Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set animation offset properties.
Represents the size of the [enum Parameter] enum.
Use with [method set_particle_flag] to set [member particle_flag_align_y].
Present for consistency with 3D particle nodes, not used in 2D.
Present for consistency with 3D particle nodes, not used in 2D.
Represents the size of the [enum ParticleFlags] enum.
All particles will be emitted from a single point.
Particles will be emitted in the volume of a sphere flattened to two dimensions.
Particles will be emitted on the surface of a sphere flattened to two dimensions.
Particles will be emitted in the area of a rectangle.
Particles will be emitted at a position chosen randomly among [member emission_points]. Particle color will be modulated by [member emission_colors].
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].
Represents the size of the [enum EmissionShape] enum.