Fix crash due to division by zero when locking two or three ValueSlid…

…ers and one of them has the value of 0 and the user attempts to change it

CHANGELOG.md

@@ -30,6 +30,7 @@ Built using Godot 3.5.2
 - Optimize canvas drawing by only updating it when the image(s) have changed. [ac6a4db43d9296ebc03e639d8199dd3878a25d86](https://github.com/Orama-Interactive/Pixelorama/commit/ac6a4db43d9296ebc03e639d8199dd3878a25d86)
 - Fix bug where using shortcuts to switch between frames also moved the selection, causing deletions.
 - Pxo files can now be loaded from the Open menu option in the Web version. [3dcc51705a999145e53a8e6d4de217dc03b0f147](https://github.com/Orama-Interactive/Pixelorama/commit/3dcc51705a999145e53a8e6d4de217dc03b0f147)
+- Fixed crash due to division by zero when locking two or three ValueSliders, and one of them has the value of 0 and the user attempts to change it.
 - Fixed exporting selected layers not including the non-selected frames.
 - The ellipse tool no longer produces gaps with large sizes. [4f3a7a305a264e0d2fe86c201af76eca4b2fea0a](https://github.com/Orama-Interactive/Pixelorama/commit/4f3a7a305a264e0d2fe86c201af76eca4b2fea0a)
 - Fix "visible layers" option on the export dialog producing wrong results. [346d1f071a8c6b1defb1072d39aea9c642f1ef59](https://github.com/Orama-Interactive/Pixelorama/commit/346d1f071a8c6b1defb1072d39aea9c642f1ef59)

project.godot

@@ -343,7 +343,7 @@ config/icon="res://assets/graphics/icons/icon.png"
 config/macos_native_icon="res://assets/graphics/icons/icon.icns"
 config/windows_native_icon="res://assets/graphics/icons/icon.ico"
 config/custom_user_dir_name.X11="pixelorama"
-config/Version="v0.11.4-rc3"
+config/Version="v0.11.4-rc2"
 config/ExtensionsAPI_Version=3
 config/Pxo_Version=2
 

src/UI/Nodes/ValueSliderV2.gd

@@ -48,15 +48,17 @@ func _gcd(a: int, b: int) -> int:
 func _on_X_value_changed(val: float) -> void:
 	value.x = val
 	if _locked_ratio:
-		self.value.y = max(min_value.y, (value.x / ratio.x) * ratio.y)
+		if not is_zero_approx(ratio.x):
+			self.value.y = max(min_value.y, (value.x / ratio.x) * ratio.y)
 	if _can_emit_signal:
 		emit_signal("value_changed", value)
 
 
 func _on_Y_value_changed(val: float) -> void:
 	value.y = val
 	if _locked_ratio:
-		self.value.x = max(min_value.x, (value.y / ratio.y) * ratio.x)
+		if not is_zero_approx(ratio.y):
+			self.value.x = max(min_value.x, (value.y / ratio.y) * ratio.x)
 	if _can_emit_signal:
 		emit_signal("value_changed", value)
 

src/UI/Nodes/ValueSliderV3.gd

@@ -50,26 +50,29 @@ func _gcd(a: int, b: int) -> int:
 func _on_X_value_changed(val: float) -> void:
 	value.x = val
 	if _locked_ratio:
-		self.value.y = max(min_value.y, (value.x / ratio.x) * ratio.y)
-		self.value.z = max(min_value.z, (value.x / ratio.x) * ratio.z)
+		if not is_zero_approx(ratio.x):
+			self.value.y = max(min_value.y, (value.x / ratio.x) * ratio.y)
+			self.value.z = max(min_value.z, (value.x / ratio.x) * ratio.z)
 	if _can_emit_signal:
 		emit_signal("value_changed", value)
 
 
 func _on_Y_value_changed(val: float) -> void:
 	value.y = val
 	if _locked_ratio:
-		self.value.x = max(min_value.x, (value.y / ratio.y) * ratio.x)
-		self.value.z = max(min_value.z, (value.y / ratio.y) * ratio.z)
+		if not is_zero_approx(ratio.y):
+			self.value.x = max(min_value.x, (value.y / ratio.y) * ratio.x)
+			self.value.z = max(min_value.z, (value.y / ratio.y) * ratio.z)
 	if _can_emit_signal:
 		emit_signal("value_changed", value)
 
 
 func _on_Z_value_changed(val: float) -> void:
 	value.z = val
 	if _locked_ratio:
-		self.value.x = max(min_value.x, (value.z / ratio.z) * ratio.x)
-		self.value.y = max(min_value.y, (value.z / ratio.z) * ratio.y)
+		if not is_zero_approx(ratio.z):
+			self.value.x = max(min_value.x, (value.z / ratio.z) * ratio.x)
+			self.value.y = max(min_value.y, (value.z / ratio.z) * ratio.y)
 	if _can_emit_signal:
 		emit_signal("value_changed", value)