I am creating a Random Math Engine using the BGE and I am wondering how I can do mathematical operations between two properties. Example: "Property 1 + Property 2" and then it would output the answer in text when you hit "A". But I don't know how to add/subtract/multiply/divide properties together.
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Adding, Subtracting, Multiplying, or Dividing properties can be done very easily - you simply need a third property, which you can assign the result to.
You can use logic like this to perform mathematical operations on any type of object. If you want to display the result as a text object, the easiest way is like this:
In this case, the result is stored as a "Text Game Property" - This is a special type of property for text objects, which will display the value as text in game.
answered Oct 31, 2017 at 17:36
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$\begingroup$ I have the same problem but when I try the above my total property always stays at -1. I have checked and rechecked on spelling etc. I am unsure if there need to be special characters in the value input such as (A+B+C) or "A+B+C"? $\endgroup$ Apr 20, 2018 at 14:06
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$\begingroup$ One thing that could be messing it up is spaces in the property name. For example, if you have two properties, "Object Health" and "Damage", and you try to do "Object Health-Damage," the space will mess it up into making blender think you're subtracting "Damage" from a non-existent property "Health." I'm not sure if that is your problem, but it is one I've run into a lot before. $\endgroup$ Apr 21, 2018 at 15:42