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Questions tagged [shadows]

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Dark spaces cast by the presence of a solid object blocking the flow of light. Often helpful for telling where your character is going to land.

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Generated Mesh Does Not Have Shadows/Shading

Description I'm trying to create a water shader, and at this point in development I'm using a Photoshop-generated cloud texture as a map for vertex displacement. The displacement itself works just ...
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How do you make lights affect 2D sprites in a 3D environment using Unity's URP render pipeline?

I'm using Unity, URP and have 2d sprites characters in a 3D environment. I want 2D sprites to be affected by lights/shadows like the rest of the environment. -I know if I use a 2D renderer I can use ...
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14 views

How variance shadow maps moments fall into Chebyshev's inequality

I'm having hard time understanding how the moments fall into place into Chebyshev's inequality. I'm reading about the technique in the following article. In the article the following is written: ...
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33 views

The colors of Unity 2019 are different

I currently use Unity 2018 LTS, because of my 2019 Unity colours are not really good. For example, the white is not really white but more like grey and the Shadows are really strong too even if I ...
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How can I fix the artifacts near the shadow edges in my variance shadow map?

I'm trying to implement variance shadow mapping in my engine. I'm using WebGL 2 and now I have only one directional light source. It's working, but it has a serious issue near the shadow edges and I ...
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Strange lighting bug in my game

I've been experiencing this lighting bug in my game. As you can see there is a box around the player on the back wall and underneath it. the platform and back wall are 3D objects and the player is a ...
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1answer
70 views

How to make shadows softer as distance increases?

I'm trying to make shadows become more blurry as the distance between the caster and receiver, so they look a little more realistic. What method can I use to achieve this?
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SMR shadow fade by script?

I want to make fade for my player shadow. I don't know if it's possible or not. In my skinned mesh render there is "Cast shadows" with four options "Off, On, Two sides, and Shadows Only". How to do it ...
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188 views

Unity Light Baking for Best Balance between Performance and Visuals

I'm trying to optimize my Unity game. I have static objects, dynamic objects and (only) static lights. I wish to fully pre-compute lighting and shadows for the static objects while still ...
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Why do some games show lights shine through walls?

In some games, I see lights shining through walls, even if I set video quality on high levels. A couple of examples of games I recently played are Borderlands 2 (missile explosions) and Call of ...
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Unity: How to fix shadows with several meshes in different objects?

I'm creating many GameObjects and each one has a single mesh, created in a script. The problem is that I would like to draw them so that they behave like a single mesh. Is it possible? Or I must ...
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LWRP Custom Shader Graph material casts no shadow

I created an empty Shader Graph by clicking Create -> Shaders -> PBR Graph. I created the material for this shader and assigned it to my game object, but the object does not cast a shadow. If I ...
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Unity : Casting shadows of anima2d characters

I want to cast shadows of animated 2d character on a level like this : The only thing here I want is dynamic shadows for anima2d character as animation progresses.Is there a way of achieving shadows ...
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Shadows are not showing up

I am fairly new to graphics programming, and I am working on a rudimentary game engine in C++. I had some old graphics code written in Java that I translated, but for some reason the shadows are not ...
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26 views

How can spotlights be implemented with a perspective projection?

I was reading Shadow Mapping with Directional Lights and noted that spotlights are implemented by rendering with the perspective projection, stating that the spotlight worked just like the camera. ...
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352 views

Unity Soft Shadows

I'm building a puzzle level in Unity. I have a ball with cracks on it and a point light inside it. The goal is to project the light coming through the cracks into the walls. I've managed to do that ...
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1answer
133 views

Shadow artifacts/acne on block intersections

This is using the default shader and depth shader from LibGdx. It creates lines at the blocks intersections. This is what I use to create the blocks models for now: ...
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270 views

LibGDX Box2dlights - Body Shadow Problem

While playing around with the box2dlights with libGDX, I have managed to get it all up and running, but have a problem with the shadow rendering. This is what I currently have atm: With the lighting ...
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188 views

Why do I get this weird shadow render error?

Using Unity 2018.2.14/15 I've recently been working on a small project and I encountered a very weird problem. It's hard to describe so here is a picture: Originally I assumed it may be an issue with ...
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251 views

How can I create a 2D sprite shadow like in “Alto's Odyssey”?

I've seen that the game "Alto's Odyssey" has a very nice way of projecting shadows on the ground the player is sliding on: How could i replicate that? Would I use some shader magic, or by projecting ...
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Unity Lighting Problems [duplicate]

I've got a problem with the settings of lighting in my unity scene. The objects have got "dark sides" and it doesn't look natural. You can see the screenshots and my light settings here: The ...
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83 views

Cascading Shadow Maps - Spotlight Projection

In all the cascading shadow map explanations I have read, the final projection into the shadow-map is done using an orthographic projection. This makes sense for a directional light because a ...
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1answer
202 views

Light and shadows like Diablo

I wanted to have shadows in my game and thought the way they were implemented in Diablo was good enough. Any hints on how to produce a similar outcome?
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1answer
1k views

Strange realtime shadows in Unity3D

I'm trying to do realtime lighting, and my shadows are acting very strange. When I project a spotlight out from the camera (like a flashlight in a first person game) my shadows show up as 3D skews of ...
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1answer
232 views

Unity3d - Cast dynamic shadows without processing multiple lights

Back Story I've built a game with a friend and all goes well until there are too many spheres under a group of 5 lights, then things start getting choppy. Troubleshooting I've found that by turning ...
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648 views

Screen-space shadows?

Is there such a thing as screen-space shadows? I know that most shadow projection comes from rendering the world from the viewpoint of the light source, projecting the shadows onto a large square ...
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61 views

Calculating the shadow cast by triangle onto the YZ plane

So, one of the exercises for my computer graphics class is as follows: Calculate the shadow cast by triangle T onto the YZ plane P. given: Triangle T coordinates: A=(30,10,16) B=(32,11,18) C=(31,...
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Getting proper shadows in my Disolve shader

So I wipped up this shader that disolves an object. The problem is that the shadow of the object is unaffected from the alpha value. How do I fix this. Full code : ...
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1answer
114 views

Omnidirectional Faded Soft Shadows

I'm doing research to implement a shadow algorithm for omnidirectional soft shadows in a real-time 3D renderer. I've read about PCF but to me it doesn't look very realistic since it doesn't "fade" ...
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1answer
155 views

How can you pass a large amount of textures or equivalent to the fragment shader in OpenGL?

I am adding shadow mapping to a game engine I am working on. For this effect, each light source needs it's own associated shadow map cube texture. I am going to be exaggerated and say there can be ...
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1answer
139 views

How to create a depth-recording shader for shadow mapping?

I am attempting to implement shadow maps. I am first going to implement spotlights over directional lights (I am aware this is harder). Since I was already rendering the geometry, my attempt was to ...
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1answer
121 views

Phantom objects in ray tracing

I am attempting to add volumetric shadowing to an application I am working on to test some things. For this effect I wrote the following fragment ...
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2answers
777 views

Proper indoor lighting without directional light

I would like to know how to properly handle indoor lighting without a directional light. My scene has a room( its some kind of shop), in which the player and ai-agents can move around. I can get good ...
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1answer
619 views

How can I animate shadow in surface shader?

I wrote wind shader that works but as you can see it have shadow problem! when I animating vertices shadow is fixed! ...
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1answer
2k views

How can I fix my shadow caster problem?

I'm trying to make invisible object with shadow by using it's shadow castting pass it additionaly shades back side of object itself. I mean object shades his back side and draws shadow on the ...
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216 views

Can you access the vertices passed into GLSL as an array?

So in the vertex shader I receive my vertex data as: ...
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72 views

How to put triangle information into a glsl shader for dynamic shadows?

I am experimenting with how much I can push the GPU with clever optimizations and correct use of hardware, so I know this may lag my computer a lot, that's not the issue. Currently my goal is as ...
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1answer
149 views

Unity Shadow shows on my Android device but NOT my Windows Mobile device

Unity version: 2017.1.1f1 Problem: I'm using Directional Light. Shadow is not showing in my Windows Mobile device (Lumia 640 XL), but works fine when I run the exact same UWP project as PC (Local ...
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220 views

Improving Shadow

I need to improve the shadows in my scene. At a first look they don't look too bad: They look awful when the camera gets closer to them, showing weird artifacts. I would like to know what are the ...
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1answer
332 views

How do I write to a 16-bit depth buffer using Monogame and HLSL?

I'm working on shadow mapping. Part of the implementation involves drawing 3D models to a depth buffer with recommended 16-bit depth. To that end, I'm first creating a render target as follows: ...
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432 views

A shader that casts shadows, doesn't receive shadows and doesn't render any textures/models at all?

Bit of a strange one but I'm in the situation where i need a shader to essentially render nothing and cast a shadow! I found this though some googling but sadly that casts shadows onto itself which ...
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1answer
291 views

Shadow Shimmering When Moving Objects

I am having a shadow shimmering in my scene when using a shadow mapping technique. I know that there is a lot of posts over the internet dealing with this subject but my issue is slightly different. ...
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581 views

Unity : orthographic camera and shadow

When using an Orthographic Camera, the shadows appear to be of poor quality. How can I display smooth shadows?
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108 views

How can I fix this shadow slicing the mesh on Android?

I have a golf ball in my Unity game for Android, which is an icosphere (imported from blender) with a baked normal map. There are 18 tracks located in one level around the (0, 0) coordinate, rotated ...
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1k views

Shadow casting in 2D OpenGL

I´ve read several articles, tutorials about shadow casting and I think that I understand the way how it works. However I miss some of the steps. Here is included my order list: Fill framebuffer with ...
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1answer
3k views

Pixelated shadows in Unity

I have tried everything I can think of and all the solutions I could find on forums, but I haven't been able to fix this problem. I have a point light that is shining on several spheres which are ...
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1answer
456 views

How to receive shadows on animated object In optimize way?

I've been trying to add shadow to my flag that animated In my vertex shader but after adding shadow , my shadow is fixed and does not follow the animation of the flag. for adding shadow I use below ...
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1answer
1k views

Rendering 2D shadows in shader

Update: I am getting slightly better results by modifying the shader so that it sets a flag on entering a obscured region, and then only sets the fragment to black if the ray casting exits the ...
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1answer
622 views

Mesh from MagicaVoxel cast a strange holed shadow

I have a problem with any mesh I import from MagicaVoxel into Unity. As you can see from the screenshot below, the mesh on the left cast a shadow that has holes in it. That's a basic 7-voxel mesh ...
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547 views

Shadows are choppy on Android, but look fine in Unity Editor on my PC

Here is a gif of what I'm seeing with my shadows on my Android device: https://gfycat.com/VapidTestyFrigatebird That shadow looks perfectly fine from any angle / distance in my Unity editor, however....

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