gd: added input addon

addons/guide/modifiers/guide_modifier_negate.gd

@@ -0,0 +1,52 @@
+## Inverts input per axis.
+@tool
+class_name GUIDEModifierNegate
+extends GUIDEModifier
+
+## Whether the X axis should be inverted.
+@export var x:bool = true:
+	set(value):
+		if x == value:
+			return
+		x = value
+		_update_caches()
+		emit_changed()
+		
+## Whether the Y axis should be inverted.		
+@export var y:bool = true:
+	set(value):
+		if y == value:
+			return
+		y = value
+		_update_caches()
+		emit_changed()
+
+## Whether the Z axis should be inverted.
+@export var z:bool = true:
+	set(value):
+		if z == value:
+			return
+		z = value
+		_update_caches()
+		emit_changed()
+
+var _multiplier:Vector3 = Vector3.ONE * -1
+
+func _update_caches():
+	_multiplier.x = -1 if x else 1
+	_multiplier.y = -1 if y else 1
+	_multiplier.z = -1 if z else 1
+		
+
+func _modify_input(input:Vector3, delta:float, value_type:GUIDEAction.GUIDEActionValueType) -> Vector3:
+	if not input.is_finite():
+		return Vector3.INF
+		
+	return input * _multiplier
+
+func _editor_name() -> String:
+	return "Negate"	
+
+
+func _editor_description() -> String:
+	return "Inverts input per axis."