ghidra

//rotate 2d vector
vec2 rotateUV(vec2 uv, float angle)
{
	float rad = angle*(3.14159265359/180.0);
	float c = cos(rad);
	float s = sin(rad);
	return vec2( uv.x * c - uv.y * s, uv.x * s + uv.y * c);
}

//get a triplanar interpolated texture look up

ghidra

#include "Uniforms.glsl"
#include "Samplers.glsl"
#include "Transform.glsl"
#include "ScreenPos.glsl"

//varying vec2 vTexCoord;
varying vec2 vScreenPos2;

void VS()
{