material-maker/addons/material_maker/nodes/beehive.mmg

{
	"name": "beehive",
	"node_position": {
		"x": 0,
		"y": 0
	},
	"parameters": {
		"sx": 4,
		"sy": 4
	},
	"shader_model": {
		"code": "vec2 $(name_uv)_uv = $uv*vec2($sx, $sy*1.73205080757);\nvec4 $(name_uv)_center = beehive_center($(name_uv)_uv);",
		"global": "float beehive_dist(vec2 p){\n\tvec2 s = vec2(1.0, 1.73205080757);\n    p = abs(p);\n    return max(dot(p, s*.5), p.x);\n}\n\nvec4 beehive_center(vec2 p) {\n\tvec2 s = vec2(1.0, 1.73205080757);\n    vec4 hC = floor(vec4(p, p - vec2(.5, 1))/vec4(s,s)) + .5;\n    vec4 h = vec4(p - hC.xy*s, p - (hC.zw + .5)*s);\n    return dot(h.xy, h.xy)<dot(h.zw, h.zw) ? vec4(h.xy, hC.xy) : vec4(h.zw, hC.zw + 9.73);\n}\n",
		"inputs": [

		],
		"instance": "",
		"name": "Beehive",
		"outputs": [
			{
				"f": "1.0-2.0*beehive_dist($(name_uv)_center.xy)",
				"type": "f"
			},
			{
				"rgb": "rand3(fract($(name_uv)_center.zw/vec2($sx, $sy))+vec2(float($seed)))",
				"type": "rgb"
			},
			{
				"rgb": "vec3(vec2(0.5)+$(name_uv)_center.xy, 0.0)",
				"type": "rgb"
			}
		],
		"parameters": [
			{
				"default": 2,
				"label": "Size X",
				"max": 64,
				"min": 1,
				"name": "sx",
				"step": 1,
				"type": "float"
			},
			{
				"default": 2,
				"label": "Size Y",
				"max": 64,
				"min": 1,
				"name": "sy",
				"step": 1,
				"type": "float"
			}
		]
	},
	"type": "shader"
}