slembcke

uniform sampler2D texture;

varying vec2 uv;

void main(){
	vec2 size = textureSize(texture);
	vec2 puv = uv*size;
	
	vec2 hfw = 0.5*fwidth(puv);
	vec2 fl = floor(puv - 0.5) + 0.5;

bgolus

Shader "Pristine Grid"
{
    Properties
    {
        [KeywordEnum(MeshUV, WorldX, WorldY, WorldZ)] _UVMode ("UV Mode", Float) = 2.0
        _GridScale ("Grid Scale", Float) = 1.0
        
        _LineWidthX ("Line Width X", Range(0,1.0)) = 0.01
        _LineWidthY ("Line Width Y", Range(0,1.0)) = 0.01

andrew-raphael-lukasik

Shader Graph files to create billboard trees with billboard shadows. Exported from Unity 2023.2 and Shader Graph 16.0.4

Note: Shaders written for default Quad meshes in mind.

To make sure shadows are being drawn always behind tree billboards change shadow material’s Sorting Priority to a negative value: