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84076513b1
Particles won't move or rotate anymore with the node (or its parents) by default. This new default behavior is generally more suited to most use cases. Local coordinates can still be enabled on a per-node basis. This affects both 2D and 3D particles, and both CPU and GPU-based particles.
393 lines
22 KiB
XML
393 lines
22 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="CPUParticles3D" inherits="GeometryInstance3D" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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CPU-based 3D particle emitter.
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</brief_description>
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<description>
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CPU-based 3D particle node used to create a variety of particle systems and effects.
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See also [GPUParticles3D], which provides the same functionality with hardware acceleration, but may not run on older devices.
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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="convert_from_particles">
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<return type="void" />
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<argument index="0" name="particles" type="Node" />
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<description>
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Sets this node's properties to match a given [GPUParticles3D] node with an assigned [ParticlesMaterial].
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</description>
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</method>
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<method name="get_param_curve" qualifiers="const">
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<return type="Curve" />
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<argument index="0" name="param" type="int" enum="CPUParticles3D.Parameter" />
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<description>
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Returns the [Curve] of the parameter specified by [enum Parameter].
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</description>
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</method>
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<method name="get_param_max" qualifiers="const">
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<return type="float" />
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<argument index="0" name="param" type="int" enum="CPUParticles3D.Parameter" />
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<description>
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</description>
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</method>
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<method name="get_param_min" qualifiers="const">
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<return type="float" />
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<argument index="0" name="param" type="int" enum="CPUParticles3D.Parameter" />
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<description>
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</description>
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</method>
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<method name="get_particle_flag" qualifiers="const">
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<return type="bool" />
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<argument index="0" name="particle_flag" type="int" enum="CPUParticles3D.ParticleFlags" />
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<description>
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Returns the enabled state of the given particle flag (see [enum ParticleFlags] for options).
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</description>
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</method>
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<method name="restart">
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<return type="void" />
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<description>
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Restarts the particle emitter.
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</description>
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</method>
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<method name="set_param_curve">
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<return type="void" />
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<argument index="0" name="param" type="int" enum="CPUParticles3D.Parameter" />
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<argument index="1" name="curve" type="Curve" />
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<description>
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Sets the [Curve] of the parameter specified by [enum Parameter].
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</description>
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</method>
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<method name="set_param_max">
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<return type="void" />
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<argument index="0" name="param" type="int" enum="CPUParticles3D.Parameter" />
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<argument index="1" name="value" type="float" />
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<description>
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Sets the maximum value for the given parameter
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</description>
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</method>
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<method name="set_param_min">
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<return type="void" />
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<argument index="0" name="param" type="int" enum="CPUParticles3D.Parameter" />
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<argument index="1" name="value" type="float" />
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<description>
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Sets the minimum value for the given parameter
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</description>
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</method>
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<method name="set_particle_flag">
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<return type="void" />
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<argument index="0" name="particle_flag" type="int" enum="CPUParticles3D.ParticleFlags" />
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<argument index="1" name="enable" type="bool" />
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<description>
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Enables or disables the given particle flag (see [enum ParticleFlags] for options).
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</description>
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</method>
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</methods>
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<members>
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<member name="amount" type="int" setter="set_amount" getter="get_amount" default="8">
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Number of particles emitted in one emission cycle.
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</member>
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<member name="angle_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's rotation will be animated along this [Curve].
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</member>
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<member name="angle_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum angle.
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</member>
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<member name="angle_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum angle.
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</member>
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<member name="angular_velocity_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's angular velocity (rotation speed) will vary along this [Curve] over its lifetime.
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</member>
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<member name="angular_velocity_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum initial angular velocity (rotation speed) applied to each particle in [i]degrees[/i] per second.
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</member>
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<member name="angular_velocity_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum initial angular velocity (rotation speed) applied to each particle in [i]degrees[/i] per second.
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</member>
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<member name="anim_offset_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's animation offset will vary along this [Curve].
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</member>
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<member name="anim_offset_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum animation offset.
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</member>
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<member name="anim_offset_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum animation offset.
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</member>
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<member name="anim_speed_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's animation speed will vary along this [Curve].
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</member>
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<member name="anim_speed_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum particle animation speed.
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</member>
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<member name="anim_speed_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum particle animation speed.
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</member>
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<member name="color" type="Color" setter="set_color" getter="get_color" default="Color(1, 1, 1, 1)">
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Each particle's initial color. To have particle display color in a [BaseMaterial3D] make sure to set [member BaseMaterial3D.vertex_color_use_as_albedo] to [code]true[/code].
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</member>
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<member name="color_initial_ramp" type="Gradient" setter="set_color_initial_ramp" getter="get_color_initial_ramp">
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Each particle's initial color will vary along this [GradientTexture1D] (multiplied with [member color]).
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</member>
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<member name="color_ramp" type="Gradient" setter="set_color_ramp" getter="get_color_ramp">
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Each particle's color will vary along this [GradientTexture1D] over its lifetime (multiplied with [member color]).
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</member>
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<member name="damping_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Damping will vary along this [Curve].
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</member>
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<member name="damping_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum damping.
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</member>
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<member name="damping_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum damping
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</member>
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<member name="direction" type="Vector3" setter="set_direction" getter="get_direction" default="Vector3(1, 0, 0)">
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Unit vector specifying the particles' emission direction.
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</member>
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<member name="draw_order" type="int" setter="set_draw_order" getter="get_draw_order" enum="CPUParticles3D.DrawOrder" default="0">
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Particle draw order. Uses [enum DrawOrder] values.
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</member>
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<member name="emission_box_extents" type="Vector3" setter="set_emission_box_extents" getter="get_emission_box_extents">
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The rectangle's extents if [member emission_shape] is set to [constant EMISSION_SHAPE_BOX].
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</member>
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<member name="emission_colors" type="PackedColorArray" setter="set_emission_colors" getter="get_emission_colors" default="PackedColorArray()">
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Sets the [Color]s to modulate particles by when using [constant EMISSION_SHAPE_POINTS] or [constant EMISSION_SHAPE_DIRECTED_POINTS].
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</member>
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<member name="emission_normals" type="PackedVector3Array" setter="set_emission_normals" getter="get_emission_normals">
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Sets the direction the particles will be emitted in when using [constant EMISSION_SHAPE_DIRECTED_POINTS].
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</member>
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<member name="emission_points" type="PackedVector3Array" setter="set_emission_points" getter="get_emission_points">
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Sets the initial positions to spawn particles when using [constant EMISSION_SHAPE_POINTS] or [constant EMISSION_SHAPE_DIRECTED_POINTS].
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</member>
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<member name="emission_ring_axis" type="Vector3" setter="set_emission_ring_axis" getter="get_emission_ring_axis">
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The axis of the ring when using the emitter [constant EMISSION_SHAPE_RING].
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</member>
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<member name="emission_ring_height" type="float" setter="set_emission_ring_height" getter="get_emission_ring_height">
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The height of the ring when using the emitter [constant EMISSION_SHAPE_RING].
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</member>
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<member name="emission_ring_inner_radius" type="float" setter="set_emission_ring_inner_radius" getter="get_emission_ring_inner_radius">
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The inner radius of the ring when using the emitter [constant EMISSION_SHAPE_RING].
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</member>
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<member name="emission_ring_radius" type="float" setter="set_emission_ring_radius" getter="get_emission_ring_radius">
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The radius of the ring when using the emitter [constant EMISSION_SHAPE_RING].
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</member>
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<member name="emission_shape" type="int" setter="set_emission_shape" getter="get_emission_shape" enum="CPUParticles3D.EmissionShape" default="0">
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Particles will be emitted inside this region. See [enum EmissionShape] for possible values.
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</member>
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<member name="emission_sphere_radius" type="float" setter="set_emission_sphere_radius" getter="get_emission_sphere_radius">
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The sphere's radius if [enum EmissionShape] is set to [constant EMISSION_SHAPE_SPHERE].
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</member>
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<member name="emitting" type="bool" setter="set_emitting" getter="is_emitting" default="true">
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If [code]true[/code], particles are being emitted.
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</member>
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<member name="explosiveness" type="float" setter="set_explosiveness_ratio" getter="get_explosiveness_ratio" default="0.0">
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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.
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</member>
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<member name="fixed_fps" type="int" setter="set_fixed_fps" getter="get_fixed_fps" default="0">
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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 particle system itself.
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</member>
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<member name="flatness" type="float" setter="set_flatness" getter="get_flatness" default="0.0">
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Amount of [member spread] in Y/Z plane. A value of [code]1[/code] restricts particles to X/Z plane.
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</member>
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<member name="fract_delta" type="bool" setter="set_fractional_delta" getter="get_fractional_delta" default="true">
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If [code]true[/code], results in fractional delta calculation which has a smoother particles display effect.
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</member>
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<member name="gravity" type="Vector3" setter="set_gravity" getter="get_gravity" default="Vector3(0, -9.8, 0)">
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Gravity applied to every particle.
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</member>
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<member name="hue_variation_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's hue will vary along this [Curve].
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</member>
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<member name="hue_variation_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum hue variation.
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</member>
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<member name="hue_variation_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum hue variation.
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</member>
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<member name="initial_velocity_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum value of the initial velocity.
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</member>
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<member name="initial_velocity_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum value of the initial velocity.
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</member>
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<member name="lifetime" type="float" setter="set_lifetime" getter="get_lifetime" default="1.0">
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Amount of time each particle will exist.
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</member>
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<member name="lifetime_randomness" type="float" setter="set_lifetime_randomness" getter="get_lifetime_randomness" default="0.0">
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Particle lifetime randomness ratio.
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</member>
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<member name="linear_accel_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's linear acceleration will vary along this [Curve].
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</member>
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<member name="linear_accel_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum linear acceleration.
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</member>
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<member name="linear_accel_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum linear acceleration.
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</member>
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<member name="local_coords" type="bool" setter="set_use_local_coordinates" getter="get_use_local_coordinates" default="false">
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If [code]true[/code], particles use the parent node's coordinate space (known as local coordinates). This will cause particles to move and rotate along the [CPUParticles3D] node (and its parents) when it is moved or rotated. If [code]false[/code], particles use global coordinates; they will not move or rotate along the [CPUParticles3D] node (and its parents) when it is moved or rotated.
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</member>
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<member name="mesh" type="Mesh" setter="set_mesh" getter="get_mesh">
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The [Mesh] used for each particle. If [code]null[/code], particles will be spheres.
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</member>
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<member name="one_shot" type="bool" setter="set_one_shot" getter="get_one_shot" default="false">
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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.
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</member>
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<member name="orbit_velocity_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's orbital velocity will vary along this [Curve].
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</member>
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<member name="orbit_velocity_max" type="float" setter="set_param_max" getter="get_param_max">
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Maximum orbit velocity.
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</member>
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<member name="orbit_velocity_min" type="float" setter="set_param_min" getter="get_param_min">
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Minimum orbit velocity.
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</member>
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<member name="particle_flag_align_y" type="bool" setter="set_particle_flag" getter="get_particle_flag" default="false">
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Align Y axis of particle with the direction of its velocity.
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</member>
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<member name="particle_flag_disable_z" type="bool" setter="set_particle_flag" getter="get_particle_flag" default="false">
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If [code]true[/code], particles will not move on the Z axis.
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</member>
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<member name="particle_flag_rotate_y" type="bool" setter="set_particle_flag" getter="get_particle_flag" default="false">
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If [code]true[/code], particles rotate around Y axis by [member angle_min].
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</member>
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<member name="preprocess" type="float" setter="set_pre_process_time" getter="get_pre_process_time" default="0.0">
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Particle system starts as if it had already run for this many seconds.
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</member>
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<member name="radial_accel_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's radial acceleration will vary along this [Curve].
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</member>
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<member name="radial_accel_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum radial acceleration.
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</member>
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<member name="radial_accel_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum radial acceleration.
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</member>
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<member name="randomness" type="float" setter="set_randomness_ratio" getter="get_randomness_ratio" default="0.0">
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Emission lifetime randomness ratio.
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</member>
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<member name="scale_amount_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's scale will vary along this [Curve].
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</member>
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<member name="scale_amount_max" type="float" setter="set_param_max" getter="get_param_max" default="1.0">
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Maximum scale.
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</member>
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<member name="scale_amount_min" type="float" setter="set_param_min" getter="get_param_min" default="1.0">
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Minimum scale.
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</member>
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<member name="scale_curve_x" type="Curve" setter="set_scale_curve_x" getter="get_scale_curve_x">
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Curve for the scale over life, along the x axis.
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</member>
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<member name="scale_curve_y" type="Curve" setter="set_scale_curve_y" getter="get_scale_curve_y">
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Curve for the scale over life, along the y axis.
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</member>
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<member name="scale_curve_z" type="Curve" setter="set_scale_curve_z" getter="get_scale_curve_z">
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Curve for the scale over life, along the z axis.
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</member>
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<member name="speed_scale" type="float" setter="set_speed_scale" getter="get_speed_scale" default="1.0">
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Particle system's running speed scaling ratio. A value of [code]0[/code] can be used to pause the particles.
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</member>
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<member name="split_scale" type="bool" setter="set_split_scale" getter="get_split_scale" default="false">
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If set to true, three different scale curves can be specified, one per scale axis.
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</member>
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<member name="spread" type="float" setter="set_spread" getter="get_spread" default="45.0">
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Each particle's initial direction range from [code]+spread[/code] to [code]-spread[/code] degrees. Applied to X/Z plane and Y/Z planes.
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</member>
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<member name="tangential_accel_curve" type="Curve" setter="set_param_curve" getter="get_param_curve">
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Each particle's tangential acceleration will vary along this [Curve].
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</member>
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<member name="tangential_accel_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0">
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Maximum tangent acceleration.
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</member>
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<member name="tangential_accel_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0">
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Minimum tangent acceleration.
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</member>
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</members>
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<constants>
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<constant name="DRAW_ORDER_INDEX" value="0" enum="DrawOrder">
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Particles are drawn in the order emitted.
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</constant>
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<constant name="DRAW_ORDER_LIFETIME" value="1" enum="DrawOrder">
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Particles are drawn in order of remaining lifetime.
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</constant>
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<constant name="DRAW_ORDER_VIEW_DEPTH" value="2" enum="DrawOrder">
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Particles are drawn in order of depth.
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</constant>
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<constant name="PARAM_INITIAL_LINEAR_VELOCITY" value="0" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set initial velocity properties.
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</constant>
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<constant name="PARAM_ANGULAR_VELOCITY" value="1" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set angular velocity properties.
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</constant>
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<constant name="PARAM_ORBIT_VELOCITY" value="2" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set orbital velocity properties.
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</constant>
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<constant name="PARAM_LINEAR_ACCEL" value="3" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set linear acceleration properties.
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</constant>
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<constant name="PARAM_RADIAL_ACCEL" value="4" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set radial acceleration properties.
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</constant>
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<constant name="PARAM_TANGENTIAL_ACCEL" value="5" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set tangential acceleration properties.
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</constant>
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<constant name="PARAM_DAMPING" value="6" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set damping properties.
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</constant>
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<constant name="PARAM_ANGLE" value="7" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set angle properties.
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</constant>
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<constant name="PARAM_SCALE" value="8" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set scale properties.
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</constant>
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<constant name="PARAM_HUE_VARIATION" value="9" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set hue variation properties.
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</constant>
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<constant name="PARAM_ANIM_SPEED" value="10" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set animation speed properties.
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</constant>
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<constant name="PARAM_ANIM_OFFSET" value="11" enum="Parameter">
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Use with [method set_param_min], [method set_param_max], and [method set_param_curve] to set animation offset properties.
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</constant>
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<constant name="PARAM_MAX" value="12" enum="Parameter">
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Represents the size of the [enum Parameter] enum.
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</constant>
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<constant name="PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY" value="0" enum="ParticleFlags">
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Use with [method set_particle_flag] to set [member particle_flag_align_y].
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</constant>
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<constant name="PARTICLE_FLAG_ROTATE_Y" value="1" enum="ParticleFlags">
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Use with [method set_particle_flag] to set [member particle_flag_rotate_y].
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</constant>
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<constant name="PARTICLE_FLAG_DISABLE_Z" value="2" enum="ParticleFlags">
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Use with [method set_particle_flag] to set [member particle_flag_disable_z].
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</constant>
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<constant name="PARTICLE_FLAG_MAX" value="3" enum="ParticleFlags">
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Represents the size of the [enum ParticleFlags] enum.
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</constant>
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<constant name="EMISSION_SHAPE_POINT" value="0" enum="EmissionShape">
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All particles will be emitted from a single point.
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</constant>
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<constant name="EMISSION_SHAPE_SPHERE" value="1" enum="EmissionShape">
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Particles will be emitted in the volume of a sphere.
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</constant>
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<constant name="EMISSION_SHAPE_SPHERE_SURFACE" value="2" enum="EmissionShape">
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|
Particles will be emitted on the surface of a sphere.
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</constant>
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<constant name="EMISSION_SHAPE_BOX" value="3" enum="EmissionShape">
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|
Particles will be emitted in the volume of a box.
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|
</constant>
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|
<constant name="EMISSION_SHAPE_POINTS" value="4" enum="EmissionShape">
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Particles will be emitted at a position chosen randomly among [member emission_points]. Particle color will be modulated by [member emission_colors].
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</constant>
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<constant name="EMISSION_SHAPE_DIRECTED_POINTS" value="5" enum="EmissionShape">
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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].
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</constant>
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<constant name="EMISSION_SHAPE_RING" value="6" enum="EmissionShape">
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|
Particles will be emitted in a ring or cylinder.
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|
</constant>
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|
<constant name="EMISSION_SHAPE_MAX" value="7" enum="EmissionShape">
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|
Represents the size of the [enum EmissionShape] enum.
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</constant>
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</constants>
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</class>
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