Nez | Nez is a free 2D focused framework that works with MonoGame | Game Engine library
kandi X-RAY | Nez Summary
kandi X-RAY | Nez Summary
[AI (FSM, Behavior Tree, GOAP, Utility AI)] FAQs/AI.md). You can find the samples repo [here] It contains a variety of sample scenes that demonstrate the basics of getting stuff done with Nez. [This YouTube playlist] also has a few relevant videos. Using Nez with FNA.
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QUESTION
I have a 3D simple cubic lattice, which I call Grid in my code, with periodic boundary conditions of size 20x20x20 (number are arbitrary). What I want to do is plant multiple polymer chains with a degree of polymerization N (graphs with N nodes) that do no overlap, are self-avoiding.
At the moment, I can plant one polymer recursively. This is my code
...ANSWER
Answered 2022-Jan-16 at 04:24Self-avoiding walks has been studied at least since the 1960s and there's a vast literature on them. Fortunately, the problem you face belong to the simplest ones (walks' length is fixed at a relatively small value).
1The first thing you should be aware of is that your question is too broad to have a unique answer. That is, if you plant many polymers in the system, the result you're going to get depends on the dynamics of the polymer planting and growing. There are two major cases. Either you plant a number of seeds and start growing polymers from them, or you grow each polymer "elsewhere" and then try to plant them in the system at a random location, one by one, keeping the condition of self-avoidance. The two methods will result in statistically different distributions of polymers, and there's nothing you can do about it, except to specify the system dynamics in more detail.
I believe the second approach is a bit easier, as it saves you from deciding what to do if some polymers cannot grow to the desired length (restart the simulation?), so let's focus just on it.
The general algorithm might look like this:
- Set
maximum_number_of_attemptsto reasonably large, but not too large a value, say a million - Set
required_number_of_polymersto the required value - Set
number_of_attemptsto 0 - Set
number_of_planted_polymersto 0 - While
number_of_attempts<maximum_number_of_attemptsANDnumber_of_planted_polymers<required_number_of_polymers- increase
number_of_attemptsby 1 - generate the next random polymer
- chose a random position (lattice site) in the system
- check if the polymer can be planted at this position without intersections
- if and only if yes,
- accept the polymer (add it to the list of polymers; update the list of occupied lattice nodes)
- increase
number_of_planted_polymersby 1
- increase
To speed thing up, you can be choosing the initial positions only from unoccupied sites (e.g. in a while loop). Another idea is to try and use a polymer, on its first plating failure, several times (but not too many, you'd need to experiment) at different positions.
Now the next step: how to generate a self-avoiding random walk. Your code is almost OK, except for a few misconceptions.
In function void Grid::plant_polymer there's one grave error: it always performs the search in the space of possible polymer shapes in exactly the same order. In other words, it is deterministic. For Monte Carlo methods it sounds like a disaster. One thing you might do to handle it is to randomly shuffle the directions.
QUESTION
I'm working on one issue and I need some help. I'm working on HTML code that fills in special machine labels. It is a kind of web page on where people fill in the number of lines and text size, then enter the text of the lines they want the resulting table to contain in each line.
I need advice on how to put ajax array to coldfusion variable.
Here is a small sample of the problem where I sequentially retrieving text from the fields:
...ANSWER
Answered 2021-Nov-22 at 17:30Ajax variables are stored here:
Now all I have to do is list them under the table in the picture. Later I need to save them in the DB - all inputs: 1 - 5, the size of the text and the width and height of the table with the text.
QUESTION
I often write equations using numpy that take scalars as inputs and returns another scalar or a vector. Then later I find that I would like to do the same thing, but with one or more vectors as inputs. I'm trying to figure out a way to make one function work in both cases without sprinkling in all sorts of if tests calling np.isscalar() or np.atleast1d() (unless that's the only way).
Is it possible to handle scalar and vector inputs with only one function or am I stuck with multiple implementations?
As an example, here are some functions to convert x, y angles into a north, east, down unit vector (assume the angles are in radians already). I've included a scalar version, vectorized version, and one using np.meshgrid() with calls to the scalar version. I'm trying to avoid doing explicit for looping or calls to np.vectorize().
Scalar Example
...ANSWER
Answered 2021-Nov-09 at 14:45This may be bordering on a frame challenge, but I would suggest changing your implementation philosophy slightly to conform to what most numpy functions do already. This has two advantages: (1) experienced numpy users will know what to expect from your functions, and (2) the scalar-vector problems go away.
Normally if faced with a function like xy_to_nez(x, y), I would expect it to take arrays x and y, and return something that has the broadcasted shape of the two, with 3 as either the first or last dimension. The choice of putting 3 in the last dimension is totally fine here. However, magically meshing the arrays together instead of broadcasting them is a rather un-num-pythonic thing to do.
Have the user tell you what you want explicitly (a core tenet of python, item #2 in import this). For example, given a broadcasting interface as suggested above, your scalar function is nearly complete. The only change you would need to make is to stack along the last axis instead of the first, as np.array does:
QUESTION
I´m using absolute position and I know it's not the best but when I used something else it was just worse. Don´t look at the result of the code but on the image. I am trying to think about it but I don't see results.
...ANSWER
Answered 2021-Nov-07 at 12:15For the footer I suggest you to use a sticky footer, add this into your CSS but remember to modify it if your id is different.
QUESTION
I'm currently working on one issue and I need some help. I'm working on HTML code that fills in special machine labels. It is a kind of web page on where people fill in the number of lines and text size, then enter the text of the lines they want the resulting table to contain in each line.
I need advice on how to save JavaScript variable to cf variable. We use ColdFusion to link the code to DB.
Here is a small sample of the problem.
...ANSWER
Answered 2021-Oct-25 at 17:59As stated in the comments, in order to use the values in CF, the form data must be submitted to the CF server via an http request (ajax, basic form submit, etc..). For example, perform a simple form post:
Add
method="POST"and a submit button to the formAssign a
nameto the label fields. Otherwise, their values won't be sent to the server.
QUESTION
ANSWER
Answered 2021-Sep-01 at 11:58Align the APK file using zipalign and (if not already) sign using apksigner which handles the v2 signature, an additional requirement.
There are two mentions of alignment in your logcat, which strongly suggests that your APK file is not aligned. Since Android 11, there is a requirement that the APK file contains an uncompressed resources.asrc file, which is aligned to 4 bytes in the file.
Replicating the issue via ADB, I used the following:
QUESTION
I need advice on one mistake. On my page, which I do, I have modules and theories, and it's all in the tag system so that you can switch those modules with the theory, but the buttons on those tablinks so they pop and always move above each other instead of being next to each other. I did not find the error anywhere, so I would need advice, in my opinion it will not be a mistake in css but in something else but I'm not sure, thank you in advance for your help.
I will attach examples of the image with the problem below the code.
HTML Code:
...ANSWER
Answered 2021-Aug-15 at 16:58Here I made it easy for you.
QUESTION
So I have a data frame that looks like this:
...ANSWER
Answered 2021-Jul-14 at 21:19After grouping by the columns of interest, get the sum of logical vector as the count i.e. - is.na(valor) returns a logical vector with TRUE where there are NA and FALSE for non-NA, negate (!) to reverse it and get the sum of the logical such as each TRUE (-> 1) represents one non-NA element
QUESTION
I would like to ask what's wrong with the code, cuz I have no idea about it. It says that toLowerCase is undefined.I've tried many ways to solve this problem, but unfortunately I haven't figured anything out yet. The discord.js version is 11.5.1. Well... there's the code:
...ANSWER
Answered 2021-Apr-24 at 22:09Cannot read x of undefined
This error means that you are trying to access a property off of undefined. For example:
QUESTION
I am trying to create a grouped new variable in R that is based on the lagged value of a another variable.
My data.frame looks like this:
...ANSWER
Answered 2020-Nov-11 at 10:29Try using this :
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