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QUESTION
I have a simple class that represents 3 dimensional coordinates called Coord3
that simply has x, y, and z int
values.
I want to declare a static constant variable Coord3.zero
where x, y, and z are set to 0.
I have attempted this with:
...ANSWER
Answered 2022-Mar-07 at 21:41readonly
is not quite the same thing as immutable in the sense you mean. readonly
means you cannot assign to a variable. So you couldn't do
QUESTION
I am trying to make a custom inspector for my sequence class. The idea is to allow the user to configure various UnityEvents that get called at the start or the end of a sequence.
I want to have a collection of sequences in a ReorderableList so that it is highly configurable inside the inspector.
I am very close to a solution but i am fairly inexperienced with editor scripting. My scripts are almost working correctly. But I still need to solve the best way to dynamically adjust the vertical height of each item, in the DrawListItem method, and the total vertical height in the ElementHeight Method.
I am considering trying to deserialize the unity events so that i can use the GetPersistentEventCount method to get an idea of the required vertical height, but this seems like it is probably overkill. I suspect that there must be a simpler way to retrieve this data.
Currently when i add multiple items to the sequence I am getting what is pictured below, where the event fields overlap each other and the add/remove buttons are beneath the lower Unity Event.
Does anyone know the best way to resolve this?
...ANSWER
Answered 2022-Mar-02 at 03:49It's possible to access public fields of Sequence
by casting the elements of serializedObject.targetObjects
in your editor script. You can also use serializedObject.targetObject
or Editor.target
if you aren't using [CanEditMultipleObjects]
.
QUESTION
Note: Turns out this issue is specific to Unity.
I read that async void
was to be avoided. I am trying to do so using Result
, but my application keeps locking up. How can I avoid using async void?
ANSWER
Answered 2022-Jan-11 at 08:34You misunderstood what is meant by the async void
that is to be avoided.
It doesn't mean you should never use a task with no result attached. It just says the asynchronous methods that invoke them should return a Task
, not void
.
Simply take the signature of your async method from
QUESTION
Recently, I was reading about the Ancient Babylonian Civilization that used a number system with base 60 instead of base 10. Even with this number system at base 60, they were still able to approximate the square root of 2 — and that too, thousands of years ago!
I was curious about this, and wanted to see how numbers from our decimal system (base 10) can be converted into the sexagesimal system (base 60). Using the R programming language, I found this link in which an answer is provided on converting numbers from some base to a different base.
However, it seems here that the base can only be between 2 and 36 (I want base 60):
...ANSWER
Answered 2022-Jan-30 at 20:41The code as given almost works. The limitation to bases < 36 is only there because the original author wanted to express the values with the symbols [0-9A-Z]. Removing that limitation and extending the algorithm to allow extra digits 'after the decimal point' (or 'after the sexagesimal point' in the case of base 60 :-) ) we get something that almost works (function definition below):
QUESTION
Hey there trying to make my Unity WebGL export work on my React JS project but for some reason is not working I'm using the following React Unity WebGL version (react-unity-webgl@7.x # For Unity 2018 and 2019 (Active LTS)) and I have followed the instructions accordingly to the version I'm using, someone ran into the same issue than me and asked a question in the GitHub and I followed what they said which is basically to put the unity folder in the public folder but still is not working. Anyone has any idea of how to fix this ?
This is how I have my folder structure:
And this is the 2 codes I have try (which they are basically the same):
Code A:
...ANSWER
Answered 2022-Jan-08 at 23:13you have to move your unitybuid folder as child of Public file, as this /public/Build/yourfiles.json
i am havinbg problems after that, it runs well on local host, but when building on a hosting sites, it doesnt loading for me.
QUESTION
I just bought template products in Unity expecting to learn some logic
i just encountered errors of CS0246 when importing. and it seems all coming from one package in Library below is one of the error message.
Library/PackageCache/com.unity.collab-proxy@1.2.16/Editor/Collab/Presenters/CollabHistoryPresenter.cs(21,9): error CS0246: The type or namespace name 'BuildAccess' could not be found (are you missing a using directive or an assembly reference?)
i am a beginner and i don't know how to handle on this kind of error. can anyone kindly help me point out where and why this error happen?
...ANSWER
Answered 2021-Jul-27 at 04:56Here are a few suggestions for tracking down the issue. Hard to tell what is missing.
- close unity and delete Library and obj folders. Then open Unity again. It will re-sync those folders.
- disable collaborate from services window in 2019- or window/collaborate in 2020+ and see if the issue gets resolved.
QUESTION
GOAL
I'm relatively new to Unity and I want my character to be able to run and jump at the same time causing the character to go up diagonally.
PROBLEM
However after making some adjustments to give the character some acceleration, the jump seems to clear all existing velocity, meaning the character goes up and then to the side instead of both at the same time:
(I apologise if its a bit hard to see)
CODE
This is my character movement script:
ANSWER
Answered 2022-Jan-09 at 23:05This is happening because you're setting the velocity of your rigidbody directly with rb.velocity = Vector2.up * jumpHeight
. So that will wipe all existing velocity.
If you want to just add a force to the velocity rather than replacing it entirely, you can do that with methods like Rigidbody2D.AddForce.
QUESTION
Background:
I am building an editor extension for Unity (although this question is not strictly unity related). The user can select a binary operation from a dropdown and the operation is performed on the inputs, as seen in the diagram:
The code is taken from a tutorial, and uses an enum here in combination with a switch statement here to achieve the desired behavior.
This next image demonstrates the relationship between the code and the behavior in the graph UI:
Problem
Based on my prior experience programming in other languages, and my desire to allow for user-extensible operations that don't require users to edit a switch statement in the core code, I would LIKE the resulting code to look something like this (invalid) C# code:
...ANSWER
Answered 2021-Dec-30 at 16:43Usually I'd say your question is quite broad and the use case very tricky and requires a lot of not so trivial steps to approach. But I see you also have put quite an effort in research and your question so I'll try to do the same (little Christmas Present) ;)
In general I think generics is not what you want to use here. Generics always require compile time constant parameters.
As I am only on the phone and don't know I can't give you a full solution right now but I hope I can bring you into the right track.
1. Common Interface or base classI think the simplest thing would rather be a common interface such as e.g.
QUESTION
I'm making a Theremin-like app in Unity (C#).
I have horizontal Axis X, on which I can click (with a mouse or with a finger on a smartphone). This X-axis determines the frequency, which will be played. The user will specify the frequency range of the board (X-Axis), let's say from frequency 261.63 (note C4) to 523.25 (note C5).
I'll calculate x_position_ratio
which is a number between 0 and 1 determining, where did the user click on the X-axis (0 being on the most left (note C4 in this example), 1 on the most right (note C5))
From this, I will calculate the frequency to play by equation
...ANSWER
Answered 2021-Dec-24 at 13:44I figured it out. Tried to plot it logarithmic to at least approximate the result.
I was inspired by this answer Plotting logarithmic graph Turns out this solution worked
To draw notes on the x-axis I used this:
QUESTION
I would like to extract the unit of measurement (decimal degrees, metres, feet, etc.) from a spatial object in R. For example, if I have an SF data frame that uses the WGS84 co-ordinate reference system (EPSG:4326), I would like to be able to determine that the co-ordinates are specified in decimal degrees. Similarly, I'd like to be able to determine that UTM co-ordinates (e.g. EPSG:32615) are specified in metres.
I have tried using the st_crs()
function from the sf
package, which returns the co-ordinate reference system in well-known text format. However, I'm struggling to be certain that a regex that extracts the unit of measurement from that well-known text will operate reliably for a wide range of co-ordinate systems.
Is there an existing function that returns the measurement unit for a spatial object?
For example, the following code produces an SF data frame that uses the WGS84 co-ordinate system:
...ANSWER
Answered 2021-Dec-21 at 15:05st_crs()
has a parameters
argument that returns a list of useful CRS parameters when TRUE
, including the units of the CRS. Here's an example with the built-in nc
data:
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