Interactions

src/resources/reaction.gd

@@ -2,6 +2,6 @@ extends Resource
 
 class_name Reaction
 
-@export var input_substances: Array[Substance]
-@export var output_substances: Array[Substance]
+@export var input_substances: Array[ReactionSubstance]
+@export var output_substances: Array[ReactionSubstance]
 @export var reaction_temperature: float = -1

src/resources/reaction_substance.gd

@@ -0,0 +1,6 @@
+extends Resource
+
+class_name ReactionSubstance
+
+@export var coefficient: int
+@export var substance: Substance

src/resources/reaction_substance.gd.uid

@@ -0,0 +1 @@
+uid://bb8o8l6u6fiai

src/resources/substance.gd

@@ -6,6 +6,7 @@ class_name Substance
 @export var scientific_name: StringName
 @export var melting_point: float
 @export var boiling_point: float
+@export var liquid_transparency: float = 0.5
 @export var color: Color
 @export var prefer_scientific_name: bool
 @export var is_solution: bool