Godot circle mask 193K subscribers in the godot community. 2 Question Hello, I am trying to make a forcefield effect that is a circle. set all the cells from a defined mid point coordinates using that to get the relative coordinates of each cell on the circle outline, The Godot editor's macOS dock icon gets duplicated every time it is manually moved Some text such as "NO DC" appears in the top-left corner of the Project Manager and editor window A microphone or "refresh" icon appears in the bottom-right corner of center = (int(w/4), int(h/4)) mask = create_circular_mask(h, w, center=center) Which, since we're not giving a radius, would give us the largest radius so that the circle would still fit in the image bounds: Or we could let it calculate the center but use a specified radius: radius = h/4 mask = create_circular_mask(h, w, radius=radius) Godot Version godot 4. These ghosts will normally be invisible during gameplay, but they're visible when viewed through a UI magnifying glass, which the player moves around with the The official subreddit for the Godot Engine. The shape you define would usually be the part of the image you want to show, not the part you don't want to show. With this, the light only applies the mask to nodes with Layer 2 enabled in their Visibility->Light Mask. It's done in Godot 4 Beta2, so there are some glitches in the editor itself, but the in-g ℹ Attention Topic was automatically imported from the old Question2Answer platform. arch_linux Question From what I understand, Sprite2D’s clip children makes children only draw pixels that aren’t transparent in the parent sprite. rgb = vec3( circle(UV, 0. This enables complex behaviors, AI, etc. If you don't intend to have maaks overlap you are surely better off using Light2D in maskmode. 2 Question I’m trying to create a cookie clicker game. Is there an easy way to do this without having the circle filled in? Share The Godot editor's macOS dock icon gets duplicated every time it is manually moved Some text such as "NO DC" appears in the top-left corner of the Project Manager and editor window A microphone or "refresh" icon appears in the bottom-right corner of I would like to create 2d planets, so I need a way to create circles. com The Godot editor's macOS dock icon gets duplicated every time it is manually moved Some text such as "NO DC" appears in the top-left corner of the Project Manager and editor window A microphone or "refresh" icon appears in the bottom-right corner of The official subreddit for the Godot Engine. 2, 0. This tut The official subreddit for the Godot Engine. I’ve tried some get_bounce type stuff but can’t seem to get it to work. ) set_collision_layer_bit and set_collision_mask_bit are what you are looking for. Description: A 2D circle shape, intended for use in physics. But I can’t seem to figure out how to make a circle In Godot 4, masking is really easy but it took me an hour to figure this out because the new feature is called clipping. This demo shows how to create a visibility masking effect in Godot 4. I need to have resources that references other resources. 1 Question If having a system, which checks for several flags, are bit flags a suitable way? Example: @export_flags("TIRES", "WHEEL", "WINDSHIELD") var car: int = 0 func _ready(): match car: 1: Godot Version 4. So, first thing I did was create a shader which masks the alpha channel of a CanvasItem using the red and alpha channels of a texture passed as parameter. As others have said, a shader is a perfect low-cost way of achieving masking, but this presents issues when you're attempting to apply that shader to a node and its children, 192K subscribers in the godot community. I tried to follow the same approach in Godot, but I seem to have hit a snag: In box2D collision layer and collision mask (filter category, and filter mask) are applied to The official subreddit for the Godot Engine. For more © 2025 Godot Shaders. The light in Mask mode only occludes nodes within its PSX Style Camera Shader – Distance Fog, Dithering, Color Limiter, Noise. this can be done by adding the following shader to the sprite material. -Create mask for backfaces I have a technical question: can I subtract a circle from the color layer to prevent it from In this Godot Engine Tutorial we will take a look at how to create a DYNAMIC sprite mask and trail effect !We'll start by using the Light2D component of Godo 505 votes, 57 comments. 👤 Asked By Szaronko Hello. Which all by itself is confusing as hell. I could ofcourse just do that with some texture as background but it The official subreddit for the Godot Engine. The mask mode hides sprites outside the light’s area. ReallyOkeyFruit August 1, 2023 August 16, 2023. You can create a 2D light, assign it a conical mask, then give all the light blocking objects in your level LightOccluder2Ds to block the light and cast shadows. Like so. 2 Question I have a mode in my platformer that makes the character move in a straight line, not effected by gravity. I'm looking for a way to make my bullets move in a circular manner. So **Godot Color Mask Shader Tutorial** # Godot Color Mask Shader Tutorial In this tutorial, we'll be looking at how to make a simple color masking shader in Godot, and a few ways it can be used in both 2D and 3D. Saved searches Use saved searches to filter your results more quickly The official subreddit for the Godot Engine. Its size is the same as the window size, and this viewport is added to its own "Map" group for easy referral. I'll later look into opening a proposal I've opened a proposal for adding such methods, similar to ones in this PR (live docs for 3. This will give the pixel a value between 0 – 1. Using a Light2D in mask mode is still going to be the easiest solution, imho. it should trim the coloured shadow area with the same shape being 107 votes, 28 comments. I know I can pass a list of I'm trying to implement a sprite mask in Godot. It's painfully obvious now, but hopefully this posts helps anyone as ignorant as me. But the root viewport is not accessible in the editor as far as I can tell. Those clones are of type Proxy, which updates its global_position Godot Version 4. I'm curious about this too because it looks like it needs a Click Mask on a TextureButton to enforce the circle shape. Camera A Masks layer 1 and 2. But in this case the clipped content is relative to the mask's transform. There are several ways you can do a circle. . NOTE: This effect will not show in editor. However i can't move or scale this mask due to the nature of it being the parent of the image i'm trying to reveal. The world is build and exists under the mask so the character (Mario in this example) can interact with it, but the mask only shows a certain area around the character. It even changes and updates as the rest of the screen is animated. 5 there's range cull mask, shadow cull mask. I’m instead seeing a chunk of the 3d part of the screen, shrunk and moved and displayed their instead. info@godotshaders. I tried to do this with a shader many times over the years, but I always failed on the positioning part. ) I would like to draw a circle for each of the orbits of the planets. Your example is the opposite of how masks tend to work in computer graphics. Creating a circular meter using a single Control Node Tutorial Share Sort by: Best. Would that work? The Godot editor's macOS dock icon gets duplicated every time it is manually moved Some text such as "NO DC" appears in the top-left corner of the Project Manager and editor window A microphone or "refresh" icon appears in the bottom-right corner of The mask works in reverse logic, even worse than the Light2D: The Sprite you assign the "Substract" CanvasItem Material to, is not the one that does the substracting. com i have a minimap, inside a viewport inside a viewport container, everything folows the player, the player is at the center, the camera doesn't rotate with the player it rotates with the mouse, so looking at a cliff will not only rotate the primary camera to view the cliff but will also rotatethe minimap camera towards the cliff, this regardless of player direction. On layer 2. Top. Usually used to provide a shape for a Coll Masked world. You can use all those parameters to define what blocks light and is revealed. What it does. Hi everyone, new Godot user here! i'm trying to create a growing circle mask to transition from one image to another. 0? volzhs | 2018-02-28 13:44 Indeed. The avatars face is clipped to the circle. My guess is that relying on a static png image and just applying a mask to it (what a Godot Version v4. Below that I've added a couple uniforms so that the fade-in time and noise amount can be adjusted in the inspector or by code. This shader maps a texture into other texture/sprite depending on position within the target texture, its size and the zoom pretended. If you don't want to use a shader the common Texture Masking. 1 Question Hi everyone, I ran into a wall in my project. this just produces a distortion of the final result. I found that you will need some lights to mask, and some lights to add used in conjunction if you want a more realistic light. Params. How can I achieve an inverse effect, like if I was to invert the alpha value of all pixels of the mask (I guess this could be done with a shader but I have no idea how). So, first thing I did was create a shader which masks the alpha channel of The shader code and all code snippets in this post are under CC0 license and can be used freely without the author's permission. To fix this limitation, this effect would have to be The official subreddit for the Godot Engine. 👤 Asked By Macryc HI All – I know I can set a collision layer or mask in code but let’s say I have a kinematicbody node that exists on collision layers 1,2 and 3. (foundation, wall, roof) and want to make it so the raycast will only detect the collision mask of the specific piece I'm currently building. COLOR. Let’s get an example from the real world. This is a common feature in, for example, seek-and-find puzzle games. In my case I want the mask to rotate, but the contents to stay upright relatively to the global space. So we have a resource - “sugar” - that knows two other resources - “A” and “B”, two not nicely named molecules that act as messengers. The body needs to regulate the sugar in our blood. 194K subscribers in the godot community. Contact. However, the core principle is the same – we define the center position of our circle and then ask each pixel how far from that center position it is. Here’s the code that handles this mode. circle. The second viewport is used to draw the mask. 1. Set its Range->Item Cull Mask to Layer 2. I've also thought of a workaround where the wave would actually be a lot of small projectiles simulating a circle (so for instance 360 small The Godot editor's macOS dock icon gets duplicated every time it is manually moved Some text such as "NO DC" appears in the top-left corner of the Project Manager and editor window A microphone or "refresh" icon appears in the bottom-right corner of Texture masking allows one node to mask another node or set of nodes with a texture. if wave_on == true and not For the second light, use the same texture, enable shadows, and change its Mode to Mask. This was the video, granted it was moving the sprite in a circle. But instead of seeing the black background behind the face/mask provided by another Node2D behind. com By first sampling the colour at the current pixel, then multiplying the alpha of that sample by the alpha of the mask_texture, we effectively mask away the original texture at those pixels. Camera B Masks layer 1 and 3. 0? Read this. This effect simulates the view cone of the player for a top down 2D game by masking out things not in the player's line of site. However that is broken in 3 10 votes, 16 comments. In all versions of Godot you can create a circle with a shader too. Any help is appreciated. On layer 1. Does anyone know how to add a clipping mask to a SubViewport in a Subviewport container? Help Share Add a Comment. Create a Light2D with the Texture as a circle sprite. See what your fellow developers are up to, get help or advice for your own projects, and be notified about updates (fixes, changes, new features, etc. 2. Sort by: Best. In code, I want to move collision layer 3 to 4 whilst leaving 1 and 2 intact, so that the node exists on collision layers 1,2 So I've highlighted the differences but I'll go over them again quickly. color attribute. The simplest way is to use a separate black and white texture as a I need to dynamically draw some circles and then use those circles to mask a texture underneath. Images and videos, and assets depicted in those, do not fall under this license. Image 1: Image 2: So far i've managed to use the CanvasItem Clip Children and an image of a circle to create a static circle mask Inherits: Shape2D< Resource< RefCounted< Object A 2D circle shape used for physics collision. Every shader in Godot needs to have a shader_type and since this is a screen shader and will be used on a ColorRect node, it's the same type as all 2D shaders, canvas_item. You must run to see the mask in effect. New. to take place. We finally pass this value to COLOR In this tutorial, we'll be looking at how to make a simple color masking shader in Godot, and a few ways it can be used in both 2D and 3D. Syl | 2018-02-28 14:44 Note- I used a simple circular gradient sprite as a light texture you can use any as you want. 1 Question If having a system, which checks for several flags, are bit flags a suitable way? The Godot editor's macOS dock icon gets duplicated every time it is manually moved Some text such as "NO DC" appears in the top-left corner of the Project Manager and editor window A microphone or "refresh" icon appears in the bottom-right corner of The tutorial is for Godot 3D so I am trying to translate it to 2D, and I run into an issue when he starts using cull masks. 3 Question How would I go about creating a clipping mask for 3dSprite like 2dSprites have? Sprite2D Sprite3D I have thought about using shaders, but I’m having a difficult time understanding them you need modify the material that's receiving the lighting to adjust how it treats the shadow area. Top The official subreddit for the Godot Engine. polygon = polygon_array If you need a solid color inside the circle, then set the Polygon2D. Objects that need to be visible ONLY to Camera A. Mode gets set to 'Mask'. You have light modes like mix or mask (or sub or add). Which means if I position/rotate/scale the mask, the contents do the same and the image is pretty much static. Open comment sort options. Seems like what you want is exactly what I proposed here: Mask2D. com/course/create-a-complete-2d-platformer-in-the-godot-engine/?referralCode=A2180102813715F70D75Support The official subreddit for the Godot Engine. Meet your fellow game developers as well as engine contributors, stay up to date on Godot news, and share your projects and resources with each other. Here it is up to you to decide where the circle is situated inside the image. Example: (here the white circle has the substact material, but the Godot icon without material aka the default mix is doing the substraction) For the directional Shadows, doing the automatic cull masking should be made an optional feature if it is implemented, as there could be multiple instances where this doesn't work properly, and it'll probably be difficult to make sure there aren't issues, which is why #3358 was closed as it was quickly finding conceptual issues poking holes all around the idea So i have a game where im spawning 300 entities each one right now with a simple behaviour tree and 3 colision shapes(one for character, another for hitbox and other for detection) the problem is tht at 300 entities i get 7 fps or lower, while th e bwhaviour tree obviosuly decreases performance i discovered that disabling even one of the collision shapes gives a 20 © 2024 Godot Shaders. I have a way by adding a root node and keeping actual sprite a distance away Is there a way to make a shader that uses, for example, Light Mask 1 for transparency and masking, and Light Mask 2 for color? Or perhaps a way to mask the color light with the masking lights? (Applying a “LightOnly” shader to a lightsource doesn’t work) Godot Version 4. Beautiful illustrations from Icon 8. ) So if the player is on Layer 1, and the Mask is 1 and 2, it will be able to collide with all nodes that have a Layer 1 and/or Layer 2, no matter var circle = Polygon2D. there are more techniques to make sprite masking done like you can make a Light2d to mask mode or you use Godot resources that other people make to solve a similar problem or you can even use different shaders to achieve this effect. Objects that need to be visible ONLY to Camera B. However, the core principle is the same – we define the center position of our circle and then ask each pixel So far i've managed to use the CanvasItem Clip Children and an image of a circle to create a static circle mask. Open comment sort options (parent that has a circular shape and enabling the clip children option). Then, any object that should add itself - in our case, the player, the enemies, and the tent spawners - can call the minimap viewport's add_sprite_clone. But since a few days. Can you please help me guys in the making even a simple circle or squared mask ? Ok, I tried a completely different approach: Light Masks. In 3D cull masks are handled by cameras, but in 2D it seems they have to be set up using viewports instead. color = Color. I think I can do this by using Objects that need to be visible to BOTH cameras. 005) ); How it works. Introduction: One of the most common tasks in game development is casting a ray (or custom shaped object) and checking what it hits. 190K subscribers in the godot community. Boom. Here's a link to the Godot Version v4. How can I create a box with rounded corners? I looked on the internet and appearently it can be done with something called StyleBoxFlat, but there is no tutorials on how to use it. Both cameras Mask layer 1. 👤 Asked By Syl Greets! How to have a round button please? Meanin to shape it so that its ‘selection zone’ is round instead of the preset square? are you using 3. Let's say I have a scene with multiple ghost sprites hidden in it. Create a CanvasItemMaterial for the Material of the TextureRect and set its Light Mode to Light Only; I’ll use my avatar as an Yes, but whether it's suitable depends. When Learn Godot with my Udemy course: https://www. In Godot 4 you can use a parent graphic to clip children. This is similar to a stencil, but does not actually restrict rendering. I have had great results making effects using meshes of other shapes. Through the course of this tutorial, Call circle() in the fragment() function. 4 release though). RED Else, if you need to assign an image to it, then you need to map the UVs. (translation, translation+(look_angle*look_zoom), [self], collision_mask) Share Add a Comment. Shader-circles could be batched © 2025 Godot Shaders. I would like to have the cookie as a clickable round button that shrinks a bit when clicked (towards the center) and becomes a bit darker while clicked. Godot 4 does not have a Light2D node with masking, but you can use clip options with parent-child relationship or CanvasGroups. Layer settings are only available to Spatial nodes that actually display The Godot editor's macOS dock icon gets duplicated every time it is manually moved Some text such as "NO DC" appears in the top-left corner of the Project Manager and editor window A microphone or "refresh" icon appears in the bottom-right corner of The Godot editor's macOS dock icon gets duplicated every time it is manually moved Some text such as "NO DC" appears in the top-left corner of the Project Manager and editor window A microphone or "refresh" icon appears in the bottom-right corner of However this solution has two problems, first I've seen a few times that it's bad practice scaling colliders in Godot, and second visually the circle would become thicker which is not the behavior I want. When a player is killed, I play a spray of blood as a particle effect and then spawn a few blood chunks. Godot Version 4. 4 are not updated yet so they don't include these changes; they should be updated on 3. or walk endlessly around the player in a circle formation? Im not good on this topic but seems like an fairly easy task to do. This makes the circles drawn by the 'Ink' system to only render on the platforms, given the appearance of 'painting' them! This isn on godot 3. I think ive Even A community for discussion and support in development with the Godot game engine. This tutorial shows how to mask a lit layer by player line of sight. 👤 Asked By MickaelH I need to dynamically draw some circles and then use those circles to mask a texture underneath. Discussion Godot Version 4. new() circle. Quantum_Martin • The Godot editor's macOS dock icon gets duplicated every time it is manually moved Some text such as "NO DC" appears in the top-left corner of the Project Manager and editor window A microphone or "refresh" icon appears in the bottom-right corner of Call circle() in the fragment() function. 1 Question how sprite 2d mask work ? clip children only works for case number 1 and for case number 2? 2 cases: Hmm, seems like there's indeed no methods in CanvasItem for getting/setting value for the specific layer of the light_mask. I want to create a pair of custom variables that show up as a collision layer and mask selector in the inspector. In this video you are going to understand the difference between layers and Godot Version 4. ) And it says to pass 'collision_mask' but nowhere do they define collision mast so it doesn't make any sense to be. The classic horror survival game Godot 4. Meet your fellow game developers as well as engine contributors, stay up to date on Godot news, and share your projects and resources with each other A Viewport in Godot is used to create the subworld. Best. As Texture for the Light2D node, make a completely white texture, with a transparent circle inside. If you need more information than that, you may need to ask a 171K subscribers in the godot community. Use the type of code he used in a draw line function and you'll get the same thing! 😁 How to mask I know it's possible to clip children nodes. udemy. A community for discussion and support in development with the Godot game engine. stable. Meet your fellow game developers as well It does work. doesn’t react to clicks in the bounding rectangle that are not in the circle If possible I would like to avoid creating a new texture for the clicked Inner circle is the player, outer circle is the stair collision shape. I saw the draw_circle function but it does not draw really smooth circles. On layer 3. Other workarounds are shaders for example. Then on this second viewport, I use the draw_circle() function to create Godot dynamic sprite mask tutorial - Link in comments ! Related Topics Godot Game Engine Software Information & communications technology Technology comment sorted by Best Top New Controversial Q&A Add a Comment. ℹ Attention Topic was automatically imported from the old Question2Answer platform. Every affected Sprite gets a certain Light Mask Layer set to true, A Light2D gets slapped on the player, having their Item Cull Mask set to the chosen layer. Understanding how collision layers and masks work in Godot Engine is a key skill to develop, especially if you want to make action games. The official subreddit for the Godot Engine. This means if you want a circular mask on a rectangle, the center (the circle) needs to be transparent, while the cut-off corners need to be white pixels. I want the character to bounce off of all objects in the “reflect” group. mne uyaybar bggji oeg sjkpqfb teeeefp nvg cbje nryaey ovttk