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110
votes
1answer
21k views

Mathematica Minecraft

Some time ago I asked myself: with all these great graphics and interactive capabilities of Mathematica, what kinds of 3D games can be implemented in it? And the answer which came to mind is ...
5
votes
1answer
237 views

Evaluation order control

This question is related to Evaluation order of Button[]'s action Concusion was, Button[]'s actions are evaluated in preemptive link so "the code that needs ...
6
votes
3answers
455 views

Hovering mouse cursor over a plot to display a “corresponding” point in another plot

(Apologies for not having gotten around to responding to and accepting answers on my other recent questions—as a meticulous and thorough type, I'd like to take my time to fully comprehend and ...
4
votes
2answers
144 views

Capturing an F1

I teach an Intro to Mathematica course, and one of the things I try to reinforce early on is just how helpful Mathematica's help is. In the very first lab for the course, I even give the students a ...
4
votes
2answers
172 views

Detecting changes of variables' values

Is it possible to detect (and create a trigger for) an event when any of the variables defined in the notebook changes its value (for any reason)? I need to know which variable got changed and what ...
0
votes
2answers
77 views

What is wrong with combining two programs with event handlers?

I can delete the unwanted nodes of a RandomGraph by double-clicking on them from the first program, and I can change the positions of the nodes by dragging them ...
17
votes
3answers
633 views

Detecting KeyUp events

Is there a way to detect when a key is released, similar to EventHandler[InputField[], {"KeyDown", "k"} :> Print["k pressed"]] It seems such detection isn't ...
0
votes
0answers
190 views

Is it possible to create an event handler for changes in values of variables?

I am creating a networking application in Mathematica that runs a non-stop simulation, and periodically receives new information from the remote server that affects the simulation. Whenever values ...
9
votes
0answers
360 views

How to improve these WASD + mouse look 3D controls?

Insipred by this question and the corresponding answer I've written a code for full-screen exploration of 3D scenes using standard WASD and mouse look controls. Here it is. ...
3
votes
1answer
145 views

Creating event handler with ImplementJavaInterface inside a package

I am trying to make my Mathematica function to serve as an event handler for the events generated by a Java object. Specifically, I have a Java object that connects as a client to a server that ...
2
votes
1answer
118 views

Delay of events detection dependent of “MouseDown” position

Let's say we have a Rectangle with color which depends of CurrentValue["MouseOver"]: ...
3
votes
1answer
228 views

Problem with dynamic MouseAppearance updating while “MouseDown”

my problem is with combining EventHandler and MouseAppearance. I want to change cursor appearance if I have primary button ...
2
votes
3answers
197 views

Changing the Actions in EventHandler

I would like to be able to change which action specified events take depending on some condition. For example, I have established a SetterBar ...
2
votes
1answer
216 views

Dynamically updating interactive objects in Mathematica

Is it possible to create interactive code in Mathematica (via EventHandler[] or Manipulate[] perhaps) that continually updates some calculation based on external data in the time when no user input is ...
1
vote
1answer
107 views

BindEvent binding own function

I need to change property of window when button gets pressed. There are pretty enough examples on Wolfram's website, but all they bind predefined function "Print[]" and I have no problems with ...
1
vote
1answer
94 views

How to preserve focus on InputField after Print?

If you press Enter in the example below it should become clear that test is being adding to the textbox instead of the current ...
0
votes
0answers
43 views

Help to plot Poincare section for a system of delay differential equations

I'am trying to plot Poincare section for a 4-dimentional system of Delay differential equations. I don't know how to specify initial conditions. Can I use each of the code in the following ? Also how ...