Tile UVs

gdshaderinc function for getting 0 to 1 UVs for a single tile from a TileSet

Shader code

#ifndef TILE_UVS
#define TILE_UVS

vec2 get_tile_uvs(vec2 p_uv,vec2 p_tex_size,vec2 p_region_size,vec2 p_margins,vec2 p_separation) {
	vec2 uv = p_uv - p_margins / p_tex_size;
	uv = fract(uv * p_tex_size / (p_region_size+p_separation));
	return uv * (p_region_size + p_separation) / p_region_size;
}
#endif

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