diff options
| author | Hugo Locurcio <hugo.locurcio@hugo.pro> | 2023-04-30 00:38:13 +0200 |
|---|---|---|
| committer | Rémi Verschelde <rverschelde@gmail.com> | 2023-05-12 12:31:58 +0200 |
| commit | 7d0af7d10f612605f0a7f6c6c2ec5bbd19ce23e3 (patch) | |
| tree | f0a442d8d7a6070057b51dc1b4beb32242f70345 /doc/classes | |
| parent | f6ed43b7d385737218b623e22b0f7b74a7ae9714 (diff) | |
Document high performance cost of turbulence in ParticleProcessMaterial
- Mention that GPUParticlesAttractorVectorField3D can be used as an
alternative to turbulence in 3D.
(cherry picked from commit f10759489dbbe852144abc9f7746cb676102adc5)
Diffstat (limited to 'doc/classes')
| -rw-r--r-- | doc/classes/ParticleProcessMaterial.xml | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/doc/classes/ParticleProcessMaterial.xml b/doc/classes/ParticleProcessMaterial.xml index 50886d9606..ad2464005c 100644 --- a/doc/classes/ParticleProcessMaterial.xml +++ b/doc/classes/ParticleProcessMaterial.xml @@ -282,7 +282,8 @@ Minimum equivalent of [member tangential_accel_max]. </member> <member name="turbulence_enabled" type="bool" setter="set_turbulence_enabled" getter="get_turbulence_enabled" default="false"> - Enables and disables Turbulence for the particle system. + If [code]true[/code], enables turbulence for the particle system. Turbulence can be used to vary particle movement according to its position (based on a 3D noise pattern). + [b]Note:[/b] Enabling turbulence has a high performance cost on the GPU. Only enable turbulence on a few particle systems at once at most, and consider disabling it when targeting mobile/web platforms. </member> <member name="turbulence_influence_max" type="float" setter="set_param_max" getter="get_param_max" default="0.1"> Maximum turbulence influence on each particle. @@ -296,11 +297,11 @@ Each particle's amount of turbulence will be influenced along this [CurveTexture] over its life time. </member> <member name="turbulence_initial_displacement_max" type="float" setter="set_param_max" getter="get_param_max" default="0.0"> - Maximum displacement of each particles spawn position by the turbulence. + Maximum displacement of each particle's spawn position by the turbulence. The actual amount of displacement will be a factor of the underlying turbulence multiplied by a random value between [member turbulence_initial_displacement_min] and [member turbulence_initial_displacement_max]. </member> <member name="turbulence_initial_displacement_min" type="float" setter="set_param_min" getter="get_param_min" default="0.0"> - Minimum displacement of each particles spawn position by the turbulence. + Minimum displacement of each particle's spawn position by the turbulence. The actual amount of displacement will be a factor of the underlying turbulence multiplied by a random value between [member turbulence_initial_displacement_min] and [member turbulence_initial_displacement_max]. </member> <member name="turbulence_noise_scale" type="float" setter="set_turbulence_noise_scale" getter="get_turbulence_noise_scale" default="9.0"> @@ -312,10 +313,10 @@ A value of [code]Vector3(0.0, 0.0, 0.0)[/code] will freeze the turbulence pattern in place. </member> <member name="turbulence_noise_speed_random" type="float" setter="set_turbulence_noise_speed_random" getter="get_turbulence_noise_speed_random" default="0.0"> - Use to influence the noise speed in a random pattern. This helps to break up visible movement patterns. + Use to influence the noise speed in a random pattern. This helps break up visible movement patterns. </member> <member name="turbulence_noise_strength" type="float" setter="set_turbulence_noise_strength" getter="get_turbulence_noise_strength" default="1.0"> - The turbulence noise strength. Increasing this will result in a stronger, more contrasting, noise pattern. + The turbulence noise strength. Increasing this will result in a stronger, more contrasting noise pattern. </member> </members> <constants> |