Liquid instance colors can now actually be set, lol.

Data/Scenes/World.tscn

@@ -79,3 +79,5 @@ texture = ExtResource( 1 )
 [node name="Liquid" parent="." instance=ExtResource( 3 )]
 position = Vector2( 109.92, 197.289 )
 scale = Vector2( 2.96, 1 )
+liquid_body_color = Color( 0, 0.0901961, 0.815686, 1 )
+liquid_surface_color = Color( 0.576471, 0.760784, 0.996078, 1 )

Data/Scripts/Liquid.gd

@@ -1,8 +1,25 @@
 extends Sprite
 
+export var liquid_body_color:Color setget _set_liquid_body_color, _get_liquid_body_color
+export var liquid_surface_color:Color setget _set_liquid_surface_color, _get_liquid_surface_color
+
+
+func _set_liquid_body_color(c):
+	material.set_shader_param("liquid_color_main", c)
+
+func _get_liquid_body_color():
+	return material.get_shader_param("liquid_color_main")
+
+func _set_liquid_surface_color(c):
+	material.set_shader_param("liquid_color_surface", c)
+	$Splash.process_material.color = c
+
+func _get_liquid_surface_color():
+	return material.get_shader_param("liquid_color_surface")
+
 func _ready():
 	material.set_shader_param("sprite_scale", scale)
-	$Splash.process_material.color = material.get_shader_param("liquid_color_surface")
+	#$Splash.process_material.color = material.get_shader_param("liquid_color_surface")
 	if scale.x != 0 and scale.y != 0:
 		$Splash.scale = Vector2(1/scale.x, 1/scale.y)
 	set_process(true)