UnityPaint - Painting with Unity

Hi

The last week I have been working on a painting application in Unity.
And this is the result.
In this version I'm using 32x anti-aliasing.
So far I have only three tools : Line tool, Brush tool and the Eraser tool.
I have also made a colorwheel instead of having those boring rgb sliders.

Paint here: http://www.arongranberg.com/unity/unitypaint/

What do you say about it?

 

Very cool

 

Why did you make this?

 

Well, there is no outOfTheBox solution for painting on a texture in Unity (unless I have missed something), and in a lot of my projects I sometimes need some painting functionality and I always en up with half-good results, so I wanted to make a good one for once.
Also I think others can have use for it, I think I'm going to release the source.

 

Yes, there are two projects I'm interested in doing in which this is essential. I would love to see the source.

 

I always love seeing different and creative uses of Unity. Good job mate Thumbs up!

 

Very cool sturestone!
Can you eloborate a bit how you did it?

 

Very interesting, and works surprisingly well and very fast/smooth. Well done!

 

Fun. What are the principles of

 

Hi

The painting works like this.
i start to get pixels from the texture I want to paint on in only the rect the line or whatever I want to paint takes up, then I loop through the pixels and call the nearest point on line (Mathfx - wiki) to see if the pixel is in a certain distance from the optimal line, if it is I do the same thing with 4/8/16/32 samples inside the pixel and see if they are in that distance and take the average of it
e.i if I have 4 samples in the pixel that looks like this: true true false true I take
1+1+0+1/4 = 0.75 the pixel will be 75% white (if white was the color I should paint with). with the brush tool I do almost the same thing, the only difference is that I use Gussian Falloff instead of just true/false.

In the source there is also code for painting vector lines but I removed that in the webplayer because it was so slow (like 1-4 seconds to paint one line).

I will post the source today or tomorrow.

 

Hi, unfortunately I have no time to put up the source today
So you will have to wait until tomorrow.

/Aron

 

Now you can download the project.
Just visit : http://arongranberg.com/unity/unitypaint and have fun.

 

Thanks for this! Interesting to see how you've made it.

 

Very generous, thanks Aron!

 

Very VERY cool.

 

Cool stuff!

 

Yep,

It could be a new texture paint panel in Unity !
For directly paint a texture of a mesh for example.
Basic painting without leaving the World editor would be great

 

Hello,
Your script is ausome!
Im trying to use parts of it on a little project of mine (hope this is ok),
I got a question, is there a way to clear all the painting changes to the texture? reimport is only manual, and is there a script code for this?
TY
amit.

 

By outOfTheBox , you mean no OS dependent?
I saw many paint like in HTML5 With a lot of features.

 

Thanks, this colorPicker in UNITY PAINT is really usefull!

 

Hey Hi,
Thanks for sharing but I have some issues,
I want draw on plane not on OnGUI and when change camera to orthographic or build and run it is not drawing on mouse position.
could you please help !!!

 

Is it possible to paint on textures and not just colors?

 

it's nice but i need it for iOS. when i build it for iOS it give lots of ERRORS ! :twisted:

 

For static image size its working fine, when i draw image and image rect with screen.width and height, its not working properly. Could you please help me to sort this issue.

Thanks,
Ben

 

I download your project but not able to used it. As I open the projects tons of error comes.
Currently I'm using the unity 5.0.

 

you should make a particle drawing tool like when I press the mouse some particles will play and stay on the canvas that would be awesome

 

Hello I have a question related to this Unity paint app. Everything is super awesome. But what if I want to not to disturb the drawing while brushing like if I apply brush on the drawing it comes over it instead of removing it. I am attaching images to explain my point. Can anyone help?

Thanks in advance

 

Hello everybody,
I'd like to develope a very similar app, i.e. painting a closed area by a brush, and I'm wondering if Unity should be the correct development tool.
I downloaded the project, I updated some outdated functions in 2017.3 and now I don't have any compiling error.
The problem is that the scene is almost empty: only a camera and the light.
Is it correct? If I switch on play mode (Win10) I see nothing.
Is there something missing?
The automatic conversion had lost some objects?

Thanks!