Questions tagged [lighting]
The simulation of light and illumination in games, including its interaction with the environment. A core element of games that can bring out vivacity into otherwise static worlds.
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Applying greyscale shading to objects in a Python 3D renderer
I need help with how to apply greyscale shading to objects in a 3D renderer I made in Python. The code is pasted below:
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Phong shading: missing specular lighting, skipped face
I'm implementing my first rasterizer, and I've run into a 2 issues with Phong shading that I have no idea how to debug. First, specular lighting seems to be completely missing. Second, there is an ...
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How to best simulate headlights
Goal:
How can I best simulate headlight beams, in a night-time scenario, in Godot 4?
The components I have are all sprite-based - a top-level car sprite, a shadow sprite (that is offset based on time-...
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Why does dynamic light flicker/get replaced with a square when rotating the camera?
I am facing the same problem over and over again with Dynamic Lights in Unity and don't know where next to look. I am still learning Unity so maybe I'm missing something trivial because it happens in ...
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How can I fix the rotation on a sprite normal map in Unity?
I'm making a 2D ball game in Unity v6.0, now in the process of adding some 2D lighting.
The player ball is a circle sprite. To make it look like a sphere, the sprite has a normal map added as a ...
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How to hide a Sprite unless it is illuminated by a Light 2D?
I want to have a sprite that is invisible when outside of light, and visible when inside of light.
I created a new Custom Lit Shader Graph in Unity 6 with the following setup:
I then created a player ...
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Unity Lighting Window API
I am trying to develop a tool for baking light in Unity but with some modifications and additions.
Currently, what I want to achieve is for the commands ...
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Difference between BakeAsync and BakeMultipleScenes
I am trying to develop a tool for light baking with certain modifications, but I do not understand the difference between the two functions BakeAsync and ...
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Generate Spherical Harmonics without intermediate cubemap
I am in the process of generating Lightprobes using Spherical Harmonics.
The usual approach is to render a cubemap, convolve it to generate an irradiance cubemap and then sample it to generate ...
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How to build directional light view / proj matrices in DirectX11?
I think I built my matrices wrong:
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How to feed lightmap in GPU instanced meshes in Unity?
Unity's documentation state that GPU Instancing supports baked lighting:
Since Unity 2018.1, Global Illumination (GI) rendering is supported by GPU Instancing in the form of light probes, occlusion ...
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Unknown light source in viewport when camera projection is orthogonal
I'm using Godot/Redot for my game development but so far this happens when camera projection is orthogonal, there's unknown light following the viewport when the camera is moving.
Here's the example
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Inconsistent light effect with same distance from the source from the opposite direction
I have the following brdf code to light my scene
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Light dissapear when baking in Unity
I am playing around with Unity and lighting is proving to be the most nerve racking thing about it so far.
I think I understand the types of light and pros and cons of bake vs realtime but when I do ...
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3D-lighting considerations
I'm considering how a graphics-engine lights any given environment, at the level of code.
So I guess perhaps the simplest way to light a scene is just to provide a Value-figure (i.e. Value as in the ...
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