Did the same to noise_voronoi.gd.

game/addons/mat_maker_gd/nodes/common/noise_voronoi.gd

@@ -3,6 +3,67 @@ extends Reference
 
 const Commons = preload("res://addons/mat_maker_gd/nodes/common/commons.gd")
 
+#voronoi.mmg
+
+#voronoi_1, 2, 3, 4 -> different outputs
+#TODO make a set which takes color as input so all 4 variants can be calculated easily
+
+#scale, min: 1, max: 32, step: 1, default: 4
+#stretch, min: 0.01, max: 1, step: 0.01, default: 1
+#intensity, min: 0, max: 1, step: 0.01, default: 0.75
+#randomness, min: 0, max: 1, step: 0.01, default: 1
+
+#vec4 $(name_uv)_xyzw = voronoi($uv, vec2($scale_x, $scale_y), vec2($stretch_y, $stretch_x), $intensity, $randomness, $seed);
+
+#note this is newer than what I have TODO
+
+#// Based on https://www.shadertoy.com/view/ldl3W8
+#// The MIT License
+#// Copyright © 2013 Inigo Quilez
+#vec3 iq_voronoi(vec2 x, vec2 size, vec2 stretch, float randomness, vec2 seed) {
+#	vec2 n = floor(x);
+#	vec2 f = fract(x);
+#	vec2 mg, mr, mc;
+#	float md = 8.0;
+#
+#	for (int j=-1; j<=1; j++)
+#		for (int i=-1; i<=1; i++) {
+#			vec2 g = vec2(float(i),float(j));
+#			vec2 o = randomness*rand2(seed + mod(n + g + size, size));
+#			vec2 c = g + o;
+#			vec2 r = c - f;
+#			vec2 rr = r*stretch;
+#			float d = dot(rr,rr);
+#			if (d<md) {
+#				mc = c;
+#				md = d;
+#				mr = r;
+#				mg = g;
+#			}  
+#		}
+#
+#	md = 8.0;
+#
+#	for (int j=-2; j<=2; j++)
+#		for (int i=-2; i<=2; i++) {
+#			vec2 g = mg + vec2(float(i),float(j));
+#			vec2 o = randomness*rand2(seed + mod(n + g + size, size));
+#			vec2 r = g + o - f;
+#			vec2 rr = (mr-r)*stretch;
+#
+#			if (dot(rr,rr)>0.00001)
+#				md = min(md, dot(0.5*(mr+r)*stretch, normalize((r-mr)*stretch)));
+#		}
+#
+#	return vec3(md, mc+n);
+#}
+#
+#vec4 voronoi(vec2 uv, vec2 size, vec2 stretch, float intensity, float randomness, float seed) {
+#	uv *= size;
+#	vec3 v = iq_voronoi(uv, size, stretch, randomness, rand2(vec2(seed, 1.0-seed)));
+#	return vec4(v.yz, intensity*length((uv-v.yz)*stretch), v.x);
+#}
+
 static func voronoi(uv : Vector2, size : Vector2, stretch : Vector2, intensity : float, randomness : float, pseed : int) -> Color:
 	var seed2 : Vector2 = Commons.rand2(Vector2(float(pseed), 1.0-float(pseed)));
 	uv *= size;
@@ -33,16 +94,22 @@ static func voronoi(uv : Vector2, size : Vector2, stretch : Vector2, intensity :
 	
 	return Color(point0.x, point0.y, best_distance0 * (size).length() * intensity, edge_distance);
 
+#$(name_uv)_xyzw.z
+
 static func voronoi_1(uv : Vector2, size : Vector2, stretch : Vector2, intensity : float, randomness : float, pseed : int) -> Color:
 	var c : Color = voronoi(uv, size, stretch, intensity, randomness, pseed);
 	
 	return Color(c.b, c.b, c.b, 1)
 
+#$(name_uv)_xyzw.w
+
 static func voronoi_2(uv : Vector2, size : Vector2, stretch : Vector2, intensity : float, randomness : float, pseed : int) -> Color:
 	var c : Color = voronoi(uv, size, stretch, intensity, randomness, pseed);
 	
 	return Color(c.a, c.a, c.a, 1)
 
+#rand3(fract(floor($(name_uv)_xyzw.xy)/vec2($scale_x, $scale_y)))
+
 static func voronoi_3(uv : Vector2, size : Vector2, stretch : Vector2, intensity : float, randomness : float, pseed : int) -> Color:
 	var c : Color = voronoi(uv, size, stretch, intensity, randomness, pseed);
 	
@@ -52,3 +119,6 @@ static func voronoi_3(uv : Vector2, size : Vector2, stretch : Vector2, intensity
 	
 	return Color(v.x, v.y, v.z, 1)
 
+#vec4(fract(($(name_uv)_xyzw.xy-1.0)/vec2($scale_x, $scale_y)), vec2(2.0)/vec2($scale_x, $scale_y))
+
+#voronoi_4 todo