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-rw-r--r--doc/classes/Decal.xml4
-rw-r--r--scene/3d/decal.cpp4
2 files changed, 4 insertions, 4 deletions
diff --git a/doc/classes/Decal.xml b/doc/classes/Decal.xml
index c0ad61b77e..c38e1d1499 100644
--- a/doc/classes/Decal.xml
+++ b/doc/classes/Decal.xml
@@ -79,7 +79,7 @@
Sets the size of the [AABB] used by the decal. The AABB goes from [code]-extents[/code] to [code]extents[/code].
</member>
<member name="lower_fade" type="float" setter="set_lower_fade" getter="get_lower_fade" default="0.3">
- Sets the curve over which the decal will fade as the surface gets further from the center of the [AABB].
+ Sets the curve over which the decal will fade as the surface gets further from the center of the [AABB]. Only positive values are valid (negative values will be clamped to [code]0.0[/code]).
</member>
<member name="modulate" type="Color" setter="set_modulate" getter="get_modulate" default="Color(1, 1, 1, 1)">
Changes the [Color] of the Decal by multiplying it with this value.
@@ -100,7 +100,7 @@
[Texture2D] storing ambient occlusion, roughness, and metallic for the decal. Use this to add extra detail to decals.
</member>
<member name="upper_fade" type="float" setter="set_upper_fade" getter="get_upper_fade" default="0.3">
- Sets the curve over which the decal will fade as the surface gets further from the center of the [AABB].
+ Sets the curve over which the decal will fade as the surface gets further from the center of the [AABB]. Only positive values are valid (negative values will be clamped to [code]0.0[/code]).
</member>
</members>
<constants>
diff --git a/scene/3d/decal.cpp b/scene/3d/decal.cpp
index ab07f33ace..01cab493ec 100644
--- a/scene/3d/decal.cpp
+++ b/scene/3d/decal.cpp
@@ -72,7 +72,7 @@ real_t Decal::get_albedo_mix() const {
}
void Decal::set_upper_fade(real_t p_fade) {
- upper_fade = p_fade;
+ upper_fade = MAX(p_fade, 0.0);
RS::get_singleton()->decal_set_fade(decal, upper_fade, lower_fade);
}
@@ -81,7 +81,7 @@ real_t Decal::get_upper_fade() const {
}
void Decal::set_lower_fade(real_t p_fade) {
- lower_fade = p_fade;
+ lower_fade = MAX(p_fade, 0.0);
RS::get_singleton()->decal_set_fade(decal, upper_fade, lower_fade);
}