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Docs: Fix ParticleProcessMaterial code snippet in alpha_curve description

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Nathan Frank 2025-11-26 22:57:00 -05:00 • committed by Rémi Verschelde
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doc/classes/ParticleProcessMaterial.xml
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@ -90,7 +90,7 @@
<members> <members>
<member name="alpha_curve" type="Texture2D" setter="set_alpha_curve" getter="get_alpha_curve"> <member name="alpha_curve" type="Texture2D" setter="set_alpha_curve" getter="get_alpha_curve">
The alpha value of each particle's color will be multiplied by this [CurveTexture] over its lifetime. The alpha value of each particle's color will be multiplied by this [CurveTexture] over its lifetime.
[b]Note:[/b] [member alpha_curve] multiplies the particle mesh's vertex colors. To have a visible effect on a [BaseMaterial3D], [member BaseMaterial3D.vertex_color_use_as_albedo] [i]must[/i] be [code]true[/code]. For a [ShaderMaterial], [code]ALBEDO *= COLOR.rgb;[/code] must be inserted in the shader's [code]fragment()[/code] function. Otherwise, [member alpha_curve] will have no visible effect. [b]Note:[/b] [member alpha_curve] multiplies the particle mesh's vertex colors. To have a visible effect on a [BaseMaterial3D], [member BaseMaterial3D.vertex_color_use_as_albedo] [i]must[/i] be [code]true[/code]. For a [ShaderMaterial], [code]ALPHA *= COLOR.a;[/code] must be inserted in the shader's [code]fragment()[/code] function. Otherwise, [member alpha_curve] will have no visible effect.
</member> </member>
<member name="angle_curve" type="Texture2D" setter="set_param_texture" getter="get_param_texture"> <member name="angle_curve" type="Texture2D" setter="set_param_texture" getter="get_param_texture">
Each particle's rotation will be animated along this [CurveTexture]. Each particle's rotation will be animated along this [CurveTexture].