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Update Voronoi.gdshaderinc

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Digvijaysinh Gohil 2024-03-19 19:38:22 +05:30
parent 55039f4c6b
commit 41f016feca
1 changed files with 6 additions and 17 deletions
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23
addons/ShaderLib/Procedural/Noise/Voronoi.gdshaderinc
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@ -1,22 +1,11 @@
#include "res://addons/ShaderLib/Maths/Vector/Distance/Manhattan2D.gdshaderinc"
#include "res://addons/ShaderLib/Maths/Vector/Distance/Chebyshev2D.gdshaderinc"
vec2 voronoi_random_vector(vec2 p) { vec2 voronoi_random_vector(vec2 p) {
mat2 matrix = mat2(vec2(15.27, 47.63), vec2(99.41, 89.98)); mat2 matrix = mat2(vec2(15.27, 47.63), vec2(99.41, 89.98));
return fract(sin(p * matrix) * 46839.32); return fract(sin(p * matrix) * 46839.32);
} }
float voronoi_euclidean_distance(vec2 point1, vec2 point2){
return distance(point1, point2);
}
float voronoi_manhattan_distance(vec2 point1, vec2 point2) {
vec2 d = point1 - point2;
return abs(d.x) + abs(d.y);
}
float voronoi_chebyshev_distance(vec2 point1, vec2 point2, float power) {
vec2 p = point1 - point2;
return pow(pow(p.x, power) + pow(p.y, power), 1. / power);
}
void voronoi_noise(vec2 uv, float cell_density, float angle_offset, int distance_index, float chebyshev_power, out float output, out float cells){ void voronoi_noise(vec2 uv, float cell_density, float angle_offset, int distance_index, float chebyshev_power, out float output, out float cells){
vec2 grid_uv = fract(uv * cell_density); vec2 grid_uv = fract(uv * cell_density);
vec2 grid_id = floor(uv * cell_density); vec2 grid_id = floor(uv * cell_density);
@ -32,13 +21,13 @@ void voronoi_noise(vec2 uv, float cell_density, float angle_offset, int distance
switch(distance_index){ switch(distance_index){
case 1: case 1:
d = voronoi_manhattan_distance(grid_uv, p); d = manhattan_distance_2d(grid_uv, p);
break; break;
case 2: case 2:
d = voronoi_chebyshev_distance(grid_uv, p, chebyshev_power); d = chebyshev_distance_2d(grid_uv, p, chebyshev_power);
break; break;
default: default:
d = voronoi_euclidean_distance(grid_uv, p); d = distance(grid_uv, p);
break; break;
} }