I looked a bit around about motion blur shaders, but I couldn't find anything to handle a per-object blur, nor a way to do this with shader forge (from what I've seen, it's done using an accumulation buffer, and I didn't find that in Shader forge - I couldn't write manually a shader even if my life was at stake) It's good to read you saying that though, I guess I'll keep Oct 26, 2019 · Everything works well on small scale like 300x300 map, but when I try the intended map size, which is 5k by 2k, this function takes 17 minutes to process everything and I feel like there should be a better way to get RGB values without calling GetPixel 3 times. Jul 18, 2017 · "generate mipmaps" is definitely turned off, and I'd even tried setting the mipmap level to 0 while troubleshooting, just in case unity was somehow generating them despite me. Just to test this, I set shader to return 0. May 1, 2009 · As a test I created a texture in photoshop of rgb 128,128,128. Posts: 2,359. GetPixel (1,5); And that’ll do it! -Chris. 000)" UnityEngine. returns the colour 0. 5019 (Unity 0-1 float for color). So, copying the whole texture just to get access to one line would be too expensive framerate and memory wise. I got the texture from another source, in . If you need to get a large block of pixels, it might be faster to use GetPixels. GetPixels(); however does not return the correct colour. width); pCoord. When you import a texture in the Unity Editor, you can tick the "sRGB (Color Texture)" check box. Set tiling to 1, 1. Dec 21, 2015 · See: Unity - Scripting API: Texture2D. I'm developing an application that captures color information from device's camera image by using WebcamTexture. The texture must have the Read/Write Enabled flag set in the import settings, otherwise this function will fail. Collections; Mar 16, 2013 · The slowest way will be to do GetPixel / SetPixel, that's for sure. Hoeloe August 6, 2013, 10:25am 1. Enabling read/write on textures means they will be stored in both RAM and VRAM. I tried a targa thinking maybe it is the file itself and it worked Unity returns 128 (0. It only works on uncompressed textures currently. I get this result if the file is PSD or PNG. Texture2D data can live in both CPU and GPU memory. mgarurumon,Mar 15, 2021. Take a look at the documentation: https://docs. 000, 1. ) It would be slightly faster to do Jan 5, 2021 · pCoord. GetPixel (like this Best way to click on a object behind other - Unity Answers, but reinvented own wheel))) But in unity sprites (U4. GetTexture("_EmissionMap"); movie. Description. The whole process from the beginning. GetPixel (23,23) In debug it seems to be white, debug log: texture. (Note that this was standard Unity behavior until sometime after 2. But it should be a kind of blue according to Jan 30, 2018 · when I try to get the colour at the following position 100, 560 of the texture (texture coordinates) GetPixel. You need to access the texture of the sprite, so something like: Image myImage; Color c = myImage. ピクセル 情報を得たいレンダーテクスチャを Description. SetPixel. height); but I obtain the same result. Click to expand oh you're right, it was totally shrinking it down to 8 pixels wide. calling Texture2D. Why is this happen? Code is simple: Texture2D texture2d = new Texture2D(512, 512, TextureFormat. From the GetPixel manual entry, there is a vector called "size" that is used to transform the object position into texture coordinates. Aug 16, 2012 · On July 15, Unity Discussions will become read-only until July 18, when the new design and the migrated forum contents will go live. The returned array is a flattened 2D array, where pixels are laid out left to right, bottom to top (i. grizzly, Oct 16, 2017. I see - Default format is set to "Automatic" - iOS format is set to "RGBA Compressed PVRTC 4 bits", but the "Override For iOS" checkbox is not checked. mov) is not a problem. Texture coordinates start at lower left corner. png, 4 channels, RGBA, 32bit per pixel. activeを使います。. Nov 15, 2020 · Now, in the inspector, displayTexture is the right texture, with colors and so. Combine( folderPath + "/" + folder + "/" + count + ". Joined: Dec 20, 2011. RGBA32, … Oct 23, 2006 · Nov 21, 2013. 804, 0. position = pos; Unity is the ultimate game development platform. 500, 0. See: Unity - Scripting API: Texture2D. Posts: 357. 5019). Use Unity to build high-quality 3D and 2D games, deploy them across mobile, desktop, VR/AR, consoles or the A single call to GetPixels is usually faster than multiple calls to GetPixel, especially for large textures. cowtrix said: ↑. Normally GetPixel () is quite fast. y = heightmap. I can discard any trouble with screen coordinate Texture coordinates start at lower left corner. Use GetPixelData instead for very large textures. 1; it was first introduced in Unity iPhone. I used Paint (dot)NET to create bitmaps where each pixel colour represents a type of block, where I’d then use a script to read each pixel and create a block based on that. The easiest is probably to generate your stencil texture first and then apply that stencil to your texture, either as a shader (as mentioned above) or Dec 14, 2020 · When I Use SetPixel and GetPixel to wirte & read value in the texture,the value is not the same value i put there. Any help would be greatly appreciated Here are some examples of how this method can be used: Example 1: Texture2D texture = Resources. If you are reading a large block of pixels from the texture, it may be faster to use GetPixels32 or GetPixels which returns a whole block of pixel colors. y - sprite_width) / scale; return sprite_texture. GetPixels might fail if the array contains too much data. // alphaMask is the mask. The default mip level is zero (the May 28, 2013 · kiwi_koder May 28, 2013, 8:32am 1. Jan 27, 2013 · Texture2D. GetPixels32 supports Crunch compressed textures. The alternative is using more than one texture and overlay them to create a similar effect. Jun 7, 2007 · Hi, I'm pretty new to Unity, but I'm trying to use GetPixel to retrieve the color under a game object. Nov 15, 2016 · Hello everyone, I am trying to get texture2d from a material, which I play a movie on it by using a plug-in. On July 15, Unity Discussions will become read-only until July 18, when the new design and the migrated forum contents will go live. SetPixel( x, y, textureOut. However, there seems to be no way to access the current frame’s Texture2D to use its GetPixel function Jun 18, 2011 · Giometric. 000) and Color (0. z * heightmap. 000 Feb 23, 2020 · Apart from that I highly recommend to not use GetPIxel but instead use GetPixels / GetPixels32 to read in the whole texture as a flattened array. Mar 28, 2023 · Unity Log] GetPixel called on an undefined mip (valid values are - 6 The game worked this morning, tried to play now and it started showing that error and closing down . I am needing to use the TextureMap. I can't figure out where the values for size should come from to work with my setup. Apr 3, 2007 · I discovered that while GetPixel () and GetPixels () work the same with Texture2D's of TextureFormat. Reference: Unity - Scripting API: Texture2D. FloorToInt (transform. mainTexture component to it. It’s a normalized coordinate, so you’d need to scale your input by the texture’s width and height to go from 0 to 1: Thank you so much! Is there a way to find the color of a pixel (of a texture) at a given coordinate within my shader graph. y; transform. The lower left corner is (0, 0). grayscale documentation page, since Color uses values between 0 and 1, grayscale also returns a value between 0 and 1. Hi, lets say I have a 10x10 pixel texture of different colour Mar 15, 2011 · First you must convert from the X,Y coordinates of the click to the texture coordinates (typically referred to as U and V. 000, 0. GetPixel (), it works perfectly on the editor (Windows), but on the Android build it aparently picks a random (I think) color from the image independently from the point I touch. Interestingly, I've got another script which runs and tells me the colour values (GetPixel ()) at the click position using the same image. Dave-Carlile December 21, 2015, 4:14pm 3. active. GetPixels. Jul 11, 2017 · Dec 5, 2012. Unity - Scripting API: RenderTexture. The array contains the pixels row by row, starting at the bottom left of the texture. public Texture2D oldTexture = GetDistortedGradient(1f); public Texture2D GetTexture(){. These functions are quick to give CPU data access. textureCoord. If this function fails, Unity throws an exception. 2%). GetPixel (0, 0); . // Sets the y coordinate of the transform to follow the heightmap using UnityEngine; using System. . row after row). GetPixel(1,5); And that’ll do it! -Chris Jun 15, 2010 · 1,226. Check if the colour is correctly black or white depending on where you are clicking on the object. 451,0. active = yourRT), and then use ReadPixels to read the data. E. g = theColour. You can't use GetPixel with textures that use Crunch texture Description. It's unclear to me how this happened, and what I need to do to fix it. Oct 15, 2012 · That's a valid point. e. I put it in the Unity project, make a texture out of it. (Interestingly, you're at least the fourth person within the last week to post a similar question, and as such, you get the benefit of the article that I'm in the process of writing, which should help guide you closer towards what you want - it even happens to have some circle-drawing May 13, 2019 · As you can see, I've added a debug test there to pause the editor if a non-black colour is reached. texture. Code (CSharp): // imageTex is the source image. What you want to get is the mouse position in canvas space (relative to the canvas size, so you don't have to worry about the canvas size). The returned array is a flattened 2D array, where the data appears row by row: the pixels are laid out left to right, bottom to top. x % texture2D. png"); File. The default mip level is Dec 5, 2018 · Also, you should be able to test this relatively easy. Jul 24, 2021 · byte [] bytes = File. This method sets pixel data for the texture in CPU memory. Apr 19, 2018 · レンダーターゲットをRenderTextureにするには、はRenderTexture. That way, the stencil generation is done on the GPU, which is usually a lot faster. x,hit. mousePosition to get the float coordinates, but using GetPixel to get the color requires the coordinates to be integers. If the pixel coordinate is outside the texture's dimensions, Unity clamps or repeats it, depending on the texture's TextureWrapMode. I may have to come back after doing some deeper digging on my own when I've got time. GetPixel (23, 23) "RGBA (1. Hey. Jul 5, 2018 · Hi there, I'm making a simple 64x64 map by placing tiles relative to their associated pixel location on a Sprite. See Also: GetPixels32 , GetPixels , SetPixel , GetPixelBilinear . blit and copy the texture into a readable texture, then read it using GetPixel (s). A single GetPixel call won't be noticeable. Apr 7, 2020 · byte[] image = tex. Imagine a texture with a size of only 2x2. y = Mathf. The source file is a . DrawTexture but when I try to Encode it to PNG file or when I read colors using GetPixels I got (0. Jul 28, 2008 · Apr 5, 2008. height); Vector3 pos = transform. This atlas is not set as readable. If those same textures are imported again as, e. I don't see a problem with your code to actually get the pixel (using GetPixelBilinear) so that just leaves the texture coordinates. Oct 31, 2009 · We are migrating the Unity Forums to Unity Discussions. StarManta said: ↑. Is there any was to get coordinates or something else that can help to get “pixel’s” color? Apr 21, 2022 · When I view the texture in the Unity Editor Inspector. GetPixel might be slower than some other texture methods because it converts the Apr 15, 2017 · Don't use SetPixel/GetPixel, it's a trap! If you're going to modify the texture, use Render Textures instead. I am having trouble with getting GetPixel to find the coordinate that I clicked on. GetPixel might be slower than some other texture methods because it converts the format Jan 5, 2014 · Task: need to get sprites’s color after click on it. Do you have an idea about this issue? I found out Jun 25, 2017 · float u = x / (float) width; float v = y / (float) height; textureIn. dman8723 likes this. GetComponent< SpriteRenderer >(). Read our full announcement for more information and let us know if you have any questions. 477, 0. The default mip level is zero (the GetPixel is not available on Textures using Crunch texture compression. Renderer r = GetComponent<Renderer>(); MovieTexture movie = (MovieTexture)r. It works fine (different methods, but both ultimately use the same material) I'm Aug 21, 2014 · float x = ( p. 3f1 LTS. This method gets pixel data from the texture in CPU memory. Tile Feb 28, 2017 · For future Unity-nauts who need something similar, this is a good example on how you can migrate to Get/SetPixels for large operations. Unfortunately, that's going to be relatively slow, but it's by the easiest way to do it in C#. Posts: 32,401. Jul 4, 2014 · So the problem is that comparing GetPixel to Color never returns true even if the colors are the same. For example they might be stored as RGBA32 which means each pixel is 4 bytes, 1 byte per channel or it might be stored as RGB24 which is similar but without the alpha so it is 3 bytes per pixel. Abs (pCoord. GetPixel returning wrong colours. I can draw that texture screen using GUI. textureCoord you can see that the returned values range between 0 and 1. com uses, just saved it and put it up on my domain. LoadImage (bytes); The problem is with the pixel retrieved by texture. 1. Unity provides methods that enable you to read from or write to pixel data with C# scripts. GetPixel on at least two of them (third one seems to work at human eye level but I didn't checked precisely each returned bit of data). r; It is the same xml that unity. Jan 4, 2016 · Dear game developers, I am creating a TV asset that needs to light the room based on the footage running on its screen. I am using Unity 2020. The default mip level is zero (the Apr 12, 2018 · Turns out you need to call Apply () on the Texture2D once you are done setting pixels. Posts: 26,601. That struct has byte members R, G, B, and A, which you can modify directly, and then call SetPixel(Color) on your Bitmap again. I leave here the code: EDITED CODE. This function is an extended version of GetPixels. For other people who stumble on this thread, the solution is this: Code (CSharp): Rect myRect = thisEgg. Aug 20, 2019 · But it will work as example, basically, GetPixel () is only returning the red value while the rest are like doesn't exist at all. isReadable must be true, and you must call Apply after SetPixels to upload the changed pixels to the GPU. You can't use GetPixelBilinear with textures that use Crunch texture compression. GetPixelBilinear( u, v)); } } This code works perfectly fine at any texture dimension, but by looking at it more leads me to confusion. I've yet to check if the problem persists on other installs of unity / on other systems. 3. The lower left corner is (0, 0, 0). Event though it isn’t mentioned on the Color. Documentation is your friend: Texture2D. These copies are unsynchronised so changes made to one will not automatically appear in the other. g; theColour. Returns pixel color at coordinates (x, y). Array size is width by height of the mip level used. unity3d. Apply is an expensive operation because it copies all the pixels in the texture even if you've only changed Jul 19, 2006 · Volunteer Moderator Moderator. Additional resources: GetPixel. The getpixel returns 0. Get the pixel colors from the texture. Aug 6, 2013 · GetPixel () returns blank texture - Questions & Answers - Unity Discussions. A quick calculator of it 128/255=0. Play(); Playing the movie (*. 0) of the point it hit. position. Check again. The dimensions of the array are width * height of the mip level. 941,1. isReadable must be true. g. using UnityEngine; Jun 9, 2017 · One workaround could be to use Graphics. It does not return data for all pixels, only the blockWidth by blockHeight region starting at x,y. First you need to know exactly what format Unity has stored the pixels. I tested it with a single color square texture and I Debug-Logged the value of GetPixel and it was: "RGB(0. the only way to make it faster is do it through a shader instead of downloading the image data to cpu, alter them and reupload the image to the gpu, which is the main cause for the slow performance. Drawing. EncodeToPNG(); string imagePath = Path. You can't use GetPixel with textures that use Crunch texture Apr 5, 2008 · As a test I created a texture in photoshop of rgb 128,128,128. The layout goes from largest to smallest mip, with each mip being “height” amount of “width” pixel values. html The lower left corner is (0, 0). 42 or 109 in 0-255 notation. Once you have your texture object, you can simply say: Color pixel_colour = my_texture. Because of Color always having 4 components, an Alpha8 (1 component) and a RGB24 (3 components) don't fit into a Color object perfectly. SetPixels (SkinColors); Skin is an imported texture that has been converted to ARGB32 in Unity and the var Col is ARGB so I am. No idea what's the editor. May 2, 2015 · We are migrating the Unity Forums to Unity Discussions. grayscale * size. 745 May 25, 2023 · Accessing texture data efficiently. Bitmap has a GetPixel(int x, int y) public method that returns a System. GetPixels(). 804,0. If the pixel coordinates are out of bounds (larger than width/height or small than 0), they will be clamped or repeated based on the texture's wrap mode. This NEVER gets hit ever. center for the location of the current sprite's center pixel. 5 and then checked what comes out; After ReadPixels and applying the Texture2D to store it, I used GetPixel to get a pixel from this Texture2D and it came out unchanged: RGBA (0. 0f1. Apr 6, 2021 · I'm using a Texture2D to display a map, and I need to get the color of the pixel I clicked on. [Serializable] public class TileDefinition { public Color accociatedColour; public WorldMaker. GetPixel(10, 20); // Get color of pixel at position (10,20) In this example, we first load a texture asset from the resource folder. Aug 13, 2012 · 1. GetPixelData() というAPIが追加されています。. According to the description, it will matter for a shader, but it doesn't seem to matter for GetPixels operations. You can't use GetPixel with textures that use Crunch texture compression. If you are reading a large block of pixels from the texture, it may be faster to use Apr 17, 2019 · Posts: 1,556. sprite. It looks like you’d expected a value between 0 and 255, however it returns a float, not a Sep 13, 2015 · I am using a colour picker to change the colour of a texture - part of a larger plan I have in mind - but I am getting. According to the documentation, it’s an expensive call so that’s why they don’t do it automatically. If GetPixels fails, Unity throws an exception. mousePosition is in screen space (meaning the position you get is relative to the screen size). You have to set the RenderTexture you want to read as active (RenderTexture. 3) RaycastHit2D has no textureCoord at all. I think you want the Sample Texture 2D node. y % texture2D. This will be much faster with less overhead. Likewise you should create a Dictionary<Color32, Block> to implement your “color_Map”. x - sprite_width) / scale; float y = -( p. GetPixel () in a switch and case statement. #3. var texture = new Texture2D(width, height); var pixels = new Color[width * height]; for(var Gets the pixel color data for a mipmap level as Color structs. Joined: Jul 19, 2006. Pixel data describes the color of individual pixels in a texture. material. I saved using both uncompressed PNG and BMP and when I use Texture2D, it works fine for images of about size 20x20, but once I Mar 2, 2009 · 436. Learn about the benefits and trade-offs of different ways to access the underlying texture pixel data in your Unity project. Debug. CopyTexture works on the GPU side while Set/GetPixels work on the CPU side. g, check whether the pixel at coordinates 0, 200 is of color red or not. If you know the size of the texture, you can multiply the UV coordinate by the texture size, then round that down, to get back approximately which pixel it's on. Hey, I’m trying to render pixels to a raw image in the canvas by creating an array of Color32s This method gets pixel data from the texture in CPU memory. 使用 GetPixels 可比反复调用 GetPixel 更快，尤其是 对于较大纹理而言。 此外， GetPixels 还可访问单独的多级渐进纹理级别。 对于大多数纹理来说， 使用 GetPixels32 甚至还要再快一些，GetPixels32 返回低精度颜色数据， 而不需要进行代价高昂的整数到浮点数转换。 Nov 17, 2020 · We are migrating the Unity Forums to Unity Discussions. GetPixel. RGB24. Nov 15, 2014 · The terrain I am attempting to paint onto the mesh. com/ScriptReference/Texture2D. Use a material with a black and white checkerboard texture. int z = Mathf. If a lower-precision representation is acceptable, GetPixels32 is faster and uses less memory because it does not perform integer-to-float conversions. 3. " Mar 15, 2021 · You're right, and I finally figured it out. 804). x = Mathf. 788. One way might be to make a little 64x64 texture, blit (or copytex) the big texture to it, modify the little texture, then blit it back. Jul 17, 2014 · I use GetPixelBilinear to read from several textures. This might not work due to the sprites getting packed into a atlas a run time (when you hit play or build to a player). May 25, 2023 · GetRawTextureData and LoadRawTextureData are Texture2D-only methods that work with arrays containing the raw pixel data of all mip levels, one after another. In my experience, render textures are much faster and better than Set/GetPixel. ARGB32, they work differently with TextureFormat. Dec 21, 2015 · Hey there. テクスチャからピクセル色を取得します。. すなわち、下記のようにすればTexture2Dに ピクセル 情報を格納できるということになります。. Jul 24, 2023 · Unity 2020. GetPixels(); Color [] maskPixels = alphaMask. I used Input. Load ("myTexture"); // Load texture asset from resource folder. For instance, I get the positive X Jul 3, 2017 · However, if the texture is in the gamma space, it should be converted to the linear space. In fact if, for example, I open the same image in Photoshop at the same coordinates ( 100, 240 starting from the top left corner) it gives me 0. Aug 20, 2015 · pixelColor = tex. The Sprite is loaded from an Assetbundle. Input. "Unsupported texture format - needs to be ARGB32, RGBA32, RGB24 or Alpha8" on Skin. You could try (this is a bad hack, and you may go to hell for it) to cast the Pixel map as a one-dimensional Array of float, and Access each Pixel by calculating the offset (y * width + x) * 4 - or even iterate by steps of 4 (or 3 if you have an RGB texture). GetPixel () works flawlessly, however, I can't use it because some of my textures' Read/Write is disabled. Color pixelColor = texture. When GetPixel () grabs a Alpha8 or May 8, 2014 · Details: Using Unity 2021. Alpha8 and Alpha8. , ARGB32 uncompressed, then GetPixel returns the May 7, 2012 · GetPixel (x,y). I create a texture2D and assigned materials. Posts: 170. textureRect; and then getting myRect. しかし May 6, 2019 · GetPixel will clamp or wrap around depending on the wrapping settings of the texture in case the indices are outside the valid area. The RaycastHit object that you can get out of the Physics. So if you want to process a texture in CPU Jan 9, 2017 · The mouse position you get using . The block is limited by the size of the mipmap level. (in reality the image has just grayscale values, but that shouldn't be of concern for the problem) Import Settings: Sprite Mode: Multiple. I am trying to read image's pixel data. logging the pCoord values in a UI text, I notice that its x and y values always return zero on Android, whereas x varies between 0 and 256 in the editor (a Magica Voxel texture is 256x1 px). But, the GetPixel line only return (0. Sets the pixel colors of an entire mipmap level. I’m attempting to write a pixel-based font renderer, so I can pass in font textures and draw them to the screen. Jan 18, 2016 · We are migrating the Unity Forums to Unity Discussions. T5Shared, Jan 7, 2019. #8. At the end of the row or column, x and y are 1, so the uv is only 1 Jul 31, 2020 · Yes it can be a lot faster depending on a few things. 098,0. 942,1. Graphics. The colors are represented by Color structs. I’m currently attempting to automatically calculate kerning values, based on the leftmost and rightmost pixels of Oct 11, 2011 · Regarding the getpixel/setpixel, if you have unity pro, you could paint your changes to a RenderTexture. position; pos. y); Looking at the documentation of RaycastHit. 1から Texture2D. Texture. Aug 9, 2019 · Similar to Texture2D. Raycast can give you the UV coordinates (0. Change the tiling to 3, 3. z / size. 000,0. GetPixel (). Bunny83 November 15, 2014, 5:00am 2. Hey carking. Feb 13, 2011 · Ok. 500) in Debug print. Use GetPixelData or GetRawTextureData instead for very large textures. Apr 5, 2008 · We are migrating the Unity Forums to Unity Discussions. // Get the color data for both textures at once. The several colors that will be hit are Color (0. Use GetPixels32 instead. 0 to 1. The code works fine for single-mode sprites, and it works for multiples if I add appropriate offsets to x and y (presumably indexing them into their common texture). To get the correct pixel position, you probably should multiply the x by the width and the y by the height like they do in the example. that's insane that it does that by default, and its also crazy that GetPixel, a function that takes two integers, will return Nov 5, 2016 · System. Retrieves a copy of the the pixel color data for a given area of a given mip level. Color [] imagePixels = imageTex. Color structure. GetPixel(x, z). However, I only need to read pixels from the first line of the texture, while the whole texture is 4096x4096. Any idea why this A single call to GetPixels is usually faster than multiple calls to GetPixel, especially for large textures. This function returns an array of pixel colors of the whole mip level of the texture. In 3D it was done using RaycastHit → textureCoord → texture. However, this is not the correct colour. 2. l don't know how to Nov 7, 2005 · On a set of three NPOT, DXT5-compressed textures without mipmaps, I get incorrect results from Texture2D. This has several advantages. Mar 23, 2017 · You need a Texture2D to access the GetPixels Method, try to add a public Texture2D Variable, assign a texture to it in the unity inspector, and then Get the Pixels with yourTextureVariable. ReadAllBytes (path); Texture2D texture = new Texture2D (1, 1); texture. 00)", which was the color I was looking for, but it still returned false. Works fine on Android & PC with their default formats ( RGBA Compressed ETC2 8 bits & RGBA Compressed DXT5, respectively ). GetPixels(); Jul 19, 2006 · We are migrating the Unity Forums to Unity Discussions. WriteAllBytes( imagePath, image); } The problem is that the captured cubemap image is both a 180 degree rotated and horizontally flipped version of what the camera supposedly captures. png file, pngcheck output is (256x256, 32-bit RGB+alpha, non-interlaced, 95. GetPixel( x, y); } (with the pivot in the upper-left). 804) Where did i messed up ? Olmi November 15, 2020, 9:51pm 2. 925,0. 000,1. ) Then you can fetch the pixel color at that spot. But on iOS, if I use the default format ( RGBA Compressed PVRTC 4 bits) it errors with "Unsupported GraphicsFormat (117) for GetPixel operations. GetPixel (hit. I put it in the material (transparent) on the example mesh, displays correctly (with correct alpha) Mar 21, 2010 · RenderTexture format is ARGBFloat and Texture2D format is RGBAFloat. It's often not recommended, but for stuff like what you mention (reading a color, which encodes things like "groundtype (to play different footsteps audio)", or to query a "lightmap", to change the shading of your character should be fine. To avoid multiplying and rounding I've declared a serialized class to define respected tile type colours. May 23, 2011 · We are migrating the Unity Forums to Unity Discussions. このメソッドを使えば、CPU上にあるテクスチャ色情報を直接参照することができるため、 GetPixels() と比較して、テクスチャ色情報を配列にコピーするコストを下げることができます。. A single call to GetPixels is usually faster than multiple calls to GetPixel, especially for large textures. There are several specific colors that the ray will definitely hit which is why I am trying to use a switch case statement. Color. On July 12, the Unity Forums will become read-only.
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