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broken_seals/game/addons/mat_maker_gd/nodes/common/tex3d.gd

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Turned a lot more mmg files into comments.
2021-10-13 00:38:05 +02:00
tool
extends Reference
const Commons = preload("res://addons/mat_maker_gd/nodes/common/commons.gd")
#----------------------
#tex3d_apply.mmg
#Applies 3D textures to a rendered 3D signed distance function scene.
# "inputs": [
# {
# "default": "0.0",
# "label": "Height",
# "longdesc": "The height map generated by the Render node",
# "name": "z",
# "shortdesc": "HeightMap",
# "type": "f"
# },
# {
# "default": "0.0",
# "label": "Color",
# "longdesc": "The color map generated by the Render node",
# "name": "c",
# "shortdesc": "ColorMap",
# "type": "f"
# },
# {
# "default": "vec3(1.0)",
# "label": "Texture",
# "longdesc": "The 3D texture",
# "name": "t",
# "shortdesc": "Tex3D",
# "type": "tex3d"
# }
# ],
# "outputs": [
# {
# "longdesc": "The textured 3D scene",
# "rgb": "$t(vec4($uv, $z($uv), $c($uv)))",
# "shortdesc": "Output",
# "type": "rgb"
# }
# ],
#----------------------
#tex3d_apply_invuvmap.mmg
#This node applies a 3D texture to an object using its inverse UV map.
# "inputs": [
# {
# "default": "vec3(1.0)",
# "label": "Texture",
# "longdesc": "The input 3D texture",
# "name": "t",
# "shortdesc": "Texture",
# "type": "tex3d"
# },
# {
# "default": "vec3(0.0)",
# "label": "Inv. UV Map",
# "longdesc": "The inverse UV map of the object",
# "name": "map",
# "shortdesc": "InvUVMap",
# "type": "rgb"
# }
# ],
# "outputs": [
# {
# "longdesc": "The generated texture",
# "rgb": "$t(vec4($map($uv), 0.0))",
# "shortdesc": "Output",
# "type": "rgb"
# }
# ],
#----------------------
#tex3d_blend.mmg
#Blends its 3D texture inputs, using an optional mask
# "inputs": [
# {
# "default": "vec3($uv.x, 1.0, 1.0)",
# "label": "Source1",
# "longdesc": "The foreground input",
# "name": "s1",
# "shortdesc": "Foreground",
# "type": "tex3d"
# },
# {
# "default": "vec3(1.0, $uv.y, 1.0)",
# "label": "Source2",
# "longdesc": "The background input",
# "name": "s2",
# "shortdesc": "Background",
# "type": "tex3d"
# },
# {
# "default": "vec3(1.0)",
# "label": "Opacity",
# "longdesc": "The optional opacity mask",
# "name": "a",
# "shortdesc": "Mask",
# "type": "tex3d"
# }
# ],
# "outputs": [
# {
# "longdesc": "The 3D texture generated by the blend operation",
# "shortdesc": "Output",
# "tex3d": "blend3d_$blend_type($s1($uv).rgb, $s2($uv).rgb, $amount*dot($a($uv), vec3(1.0))/3.0)",
# "type": "tex3d"
# }
# ],
# "parameters": [
# {
# "default": 0,
# "label": "",
# "longdesc": "The algorithm used to blend the inputs",
# "name": "blend_type",
# "shortdesc": "Blend mode",
# "type": "enum",
# "values": [
# {
# "name": "Normal",
# "value": "normal"
# },
# {
# "name": "Multiply",
# "value": "multiply"
# },
# {
# "name": "Screen",
# "value": "screen"
# },
# {
# "name": "Overlay",
# "value": "overlay"
# },
# {
# "name": "Hard Light",
# "value": "hard_light"
# },
# {
# "name": "Soft Light",
# "value": "soft_light"
# },
# {
# "name": "Burn",
# "value": "burn"
# },
# {
# "name": "Dodge",
# "value": "dodge"
# },
# {
# "name": "Lighten",
# "value": "lighten"
# },
# {
# "name": "Darken",
# "value": "darken"
# },
# {
# "name": "Difference",
# "value": "difference"
# }
# ]
# },
# {
# "control": "None",
# "default": 0.5,
# "label": "3:",
# "longdesc": "The opacity of the blend operation",
# "max": 1,
# "min": 0,
# "name": "amount",
# "shortdesc": "Opacity",
# "step": 0,
# "type": "float"
# }
# ],
#----------------------
#tex3d_colorize.mmg
#Remaps a greyscale 3D texture to a custom gradient
# "inputs": [
# {
# "default": "vec3($uv.x+0.5)",
# "label": "",
# "longdesc": "The input greyscale 3D texture",
# "name": "in",
# "shortdesc": "Input",
# "type": "tex3d"
# }
# ],
# "outputs": [
# {
# "longdesc": "The remapped color 3D texture ",
# "shortdesc": "Output",
# "tex3d": "$g(dot($in($uv), vec3(1.0))/3.0).rgb",
# "type": "tex3d"
# }
# ],
# "parameters": [
# {
# "default": {
# "interpolation": 1,
# "points": [
# {
# "a": 1,
# "b": 0,
# "g": 0,
# "pos": 0,
# "r": 0
# },
# {
# "a": 1,
# "b": 1,
# "g": 1,
# "pos": 1,
# "r": 1
# }
# ],
# "type": "Gradient"
# },
# "label": "",
# "longdesc": "The gradient to which the input is remapped",
# "name": "g",
# "shortdesc": "Gradient",
# "type": "gradient"
# }
# ],
#----------------------
#tex3d_distort.mmg
#Distorts its input 3D texture using another 3D texture
# "inputs": [
# {
# "default": "vec3(1.0)",
# "label": "",
# "longdesc": "The 3D texture to be distorted",
# "name": "in1",
# "shortdesc": "Input1",
# "type": "tex3d"
# },
# {
# "default": "vec3(0.0)",
# "label": "",
# "longdesc": "The 3D texture used to distort Input1",
# "name": "in2",
# "shortdesc": "Input2",
# "type": "tex3d"
# }
# ],
# "outputs": [
# {
# "longdesc": "The distorted 3D texture",
# "shortdesc": "Output",
# "tex3d": "$in1(vec4($uv.xyz+($in2($uv)*$Distort*0.5-0.5), 0.0))",
# "type": "tex3d"
# }
# ],
# "parameters": [
# {
# "control": "None",
# "default": 0.5,
# "label": "Distort",
# "longdesc": "The strength of the distort effect",
# "max": 1,
# "min": 0,
# "name": "Distort",
# "shortdesc": "Strength",
# "step": 0.01,
# "type": "float"
# }
# ],
#----------------------
#tex3d_fbm.mmg
#Generates a 3D noise made of several octaves of a simple noise
# "instance": "float $(name)_fbm(vec3 coord, vec3 size, int octaves, float persistence, float seed) {\n\tfloat normalize_factor = 0.0;\n\tfloat value = 0.0;\n\tfloat scale = 1.0;\n\tfor (int i = 0; i < octaves; i++) {\n\t\tvalue += tex3d_fbm_$noise(coord*size, size, seed) * scale;\n\t\tnormalize_factor += scale;\n\t\tsize *= 2.0;\n\t\tscale *= persistence;\n\t}\n\treturn value / normalize_factor;\n}\n",
# "outputs": [
# {
# "longdesc": "Shows a greyscale 3D texture of the generated noise",
# "shortdesc": "Output",
# "tex3d": "vec3($(name)_fbm($(uv).xyz, vec3($(scale_x), $(scale_y), $(scale_z)), int($(iterations)), $(persistence), float($(seed))))",
# "type": "tex3d"
# }
# ],
# "parameters": [
# {
# "default": 2,
# "label": "Noise",
# "longdesc": "The simple noise type",
# "name": "noise",
# "shortdesc": "Noise type",
# "type": "enum",
# "values": [
# {
# "name": "Value",
# "value": "value"
# },
# {
# "name": "Perlin",
# "value": "perlin"
# },
# {
# "name": "Cellular",
# "value": "cellular"
# }
# ]
# },
# {
# "control": "None",
# "default": 4,
# "label": "Scale X",
# "longdesc": "The scale of the first octave along the X axis",
# "max": 32,
# "min": 1,
# "name": "scale_x",
# "shortdesc": "Scale.x",
# "step": 1,
# "type": "float"
# },
# {
# "control": "None",
# "default": 4,
# "label": "Scale Y",
# "longdesc": "The scale of the first octave along the Y axis",
# "max": 32,
# "min": 1,
# "name": "scale_y",
# "shortdesc": "Scale.y",
# "step": 1,
# "type": "float"
# },
# {
# "control": "None",
# "default": 4,
# "label": "Scale Z",
# "longdesc": "The scale of the first octave along the Z axis",
# "max": 32,
# "min": 1,
# "name": "scale_z",
# "shortdesc": "Scale.z",
# "step": 1,
# "type": "float"
# },
# {
# "control": "None",
# "default": 3,
# "label": "Iterations",
# "longdesc": "The number of noise octaves",
# "max": 10,
# "min": 1,
# "name": "iterations",
# "shortdesc": "Octaves",
# "step": 1,
# "type": "float"
# },
# {
# "control": "None",
# "default": 0.5,
# "label": "Persistence",
# "longdesc": "The persistence between two consecutive octaves",
# "max": 1,
# "min": 0,
# "name": "persistence",
# "shortdesc": "Persistence",
# "step": 0.05,
# "type": "float"
# }
# ],
#----------------------
#tex3d_from2d.mmg
#Creates a 3D texture from a 2D texture
# "inputs": [
# {
# "default": "vec3(0.5)",
# "label": "",
# "longdesc": "The input 2D texture",
# "name": "in",
# "shortdesc": "Input",
# "type": "rgb"
# }
# ],
# "outputs": [
# {
# "longdesc": "The generated 3D texture",
# "shortdesc": "Output",
# "tex3d": "$in($uv.xy+vec2(0.5))",
# "type": "tex3d"
# }
# ],
#----------------------
#tex3d_pattern.mmg
#A greyscale 3D texture that combines patterns along all 3 axes
# "instance": "float $(name)_fct(vec3 uv) {\n\treturn mix3d_$(mix)(wave3d_$(x_wave)($(x_scale)*uv.x), wave3d_$(y_wave)($(y_scale)*uv.y), wave3d_$(z_wave)($(z_scale)*uv.z));\n}",
# "outputs": [
# {
# "longdesc": "The generated 3D texture",
# "shortdesc": "Output",
# "tex3d": "vec3($(name)_fct($(uv).xyz))",
# "type": "tex3d"
# }
# ],
# "parameters": [
# {
# "default": 0,
# "label": "Combiner",
# "longdesc": "The operation used to combine the X, Y and Z patterns",
# "name": "mix",
# "shortdesc": "Combine",
# "type": "enum",
# "values": [
# {
# "name": "Multiply",
# "value": "mul"
# },
# {
# "name": "Add",
# "value": "add"
# },
# {
# "name": "Max",
# "value": "max"
# },
# {
# "name": "Min",
# "value": "min"
# },
# {
# "name": "Xor",
# "value": "xor"
# },
# {
# "name": "Pow",
# "value": "pow"
# }
# ]
# },
# {
# "default": 0,
# "label": "X",
# "longdesc": "Pattern generated along the X axis",
# "name": "x_wave",
# "shortdesc": "Pattern.x",
# "type": "enum",
# "values": [
# {
# "name": "Sine",
# "value": "sine"
# },
# {
# "name": "Triangle",
# "value": "triangle"
# },
# {
# "name": "Square",
# "value": "square"
# },
# {
# "name": "Sawtooth",
# "value": "sawtooth"
# },
# {
# "name": "Constant",
# "value": "constant"
# },
# {
# "name": "Bounce",
# "value": "bounce"
# }
# ]
# },
# {
# "control": "None",
# "default": 4,
# "label": "2:",
# "longdesc": "Repetitions of the pattern along X axis",
# "max": 32,
# "min": 0,
# "name": "x_scale",
# "shortdesc": "Repeat.x",
# "step": 1,
# "type": "float"
# },
# {
# "default": 0,
# "label": "Y",
# "longdesc": "Pattern generated along the Y axis",
# "name": "y_wave",
# "shortdesc": "Pattern.y",
# "type": "enum",
# "values": [
# {
# "name": "Sine",
# "value": "sine"
# },
# {
# "name": "Triangle",
# "value": "triangle"
# },
# {
# "name": "Square",
# "value": "square"
# },
# {
# "name": "Sawtooth",
# "value": "sawtooth"
# },
# {
# "name": "Constant",
# "value": "constant"
# },
# {
# "name": "Bounce",
# "value": "bounce"
# }
# ]
# },
# {
# "control": "None",
# "default": 4,
# "label": "3:",
# "longdesc": "Repetitions of the pattern along Y axis",
# "max": 32,
# "min": 0,
# "name": "y_scale",
# "shortdesc": "Repeat.y",
# "step": 1,
# "type": "float"
# },
# {
# "default": 0,
# "label": "Z",
# "longdesc": "Pattern generated along the Z axis",
# "name": "z_wave",
# "shortdesc": "Pattern.z",
# "type": "enum",
# "values": [
# {
# "name": "Sine",
# "value": "sine"
# },
# {
# "name": "Triangle",
# "value": "triangle"
# },
# {
# "name": "Square",
# "value": "square"
# },
# {
# "name": "Sawtooth",
# "value": "sawtooth"
# },
# {
# "name": "Constant",
# "value": "constant"
# },
# {
# "name": "Bounce",
# "value": "bounce"
# }
# ]
# },
# {
# "control": "None",
# "default": 4,
# "label": "4:",
# "longdesc": "Repetitions of the pattern along Z axis",
# "max": 32,
# "min": 0,
# "name": "z_scale",
# "shortdesc": "Repeat.z",
# "step": 1,
# "type": "float"
# }
# ],
#----------------------
#tex3d_rotate.mmg
#Rotates a 3D texture
# "inputs": [
# {
# "default": "vec3(1.0)",
# "label": "",
# "longdesc": "The input 3D texture",
# "name": "in",
# "shortdesc": "Input",
# "type": "tex3d"
# }
# ],
# "outputs": [
# {
# "longdesc": "The rotated 3D texture",
# "shortdesc": "Output",
# "tex3d": "$in(vec4(tex3d_rotate($uv.xyz, -vec3($ax, $ay, $az)*0.01745329251), $uv.w))",
# "type": "tex3d"
# }
# ],
# "parameters": [
# {
# "control": "None",
# "default": 0,
# "label": "X",
# "longdesc": "The rotation around the X axis",
# "max": 180,
# "min": -180,
# "name": "ax",
# "shortdesc": "Rotate.x",
# "step": 1,
# "type": "float"
# },
# {
# "control": "None",
# "default": 0,
# "label": "Y",
# "longdesc": "The rotation around the Y axis",
# "max": 180,
# "min": -180,
# "name": "ay",
# "shortdesc": "Rotate.y",
# "step": 1,
# "type": "float"
# },
# {
# "control": "None",
# "default": 0,
# "label": "Z",
# "longdesc": "The rotation around the Z axis",
# "max": 180,
# "min": -180,
# "name": "az",
# "shortdesc": "Rotate.z",
# "step": 1,
# "type": "float"
# }
# ],
#----------------------
#tex3d_select.mmg
#Selects a 3D texture for a given color index. This can be used to map several textures into a single 3D scene.
# "code": "float $(name_uv)_d = ($uv.w-$v)/$t;",
# "inputs": [
# {
# "default": "vec3(0.5)",
# "label": "",
# "longdesc": "The 3D texture associated to the specified color index",
# "name": "in1",
# "shortdesc": "Input1",
# "type": "tex3d"
# },
# {
# "default": "vec3(0.5)",
# "label": "",
# "longdesc": "The 3D texture(s) associated to other color indices",
# "name": "in2",
# "shortdesc": "Input2",
# "type": "tex3d"
# }
# ],
# "outputs": [
# {
# "longdesc": "The merged 3D texture",
# "shortdesc": "Output",
# "tex3d": "mix($in1($uv), $in2($uv), clamp(1.0-$(name_uv)_d*$(name_uv)_d, 0.0, 1.0))",
# "type": "tex3d"
# }
# ],
# "parameters": [
# {
# "control": "None",
# "default": 0.5,
# "label": "Value",
# "longdesc": "The value of the selected color index",
# "max": 1,
# "min": 0,
# "name": "v",
# "shortdesc": "Value",
# "step": 0.01,
# "type": "float"
# },
# {
# "control": "None",
# "default": 0.1,
# "label": "Tolerance",
# "longdesc": "The tolerance used when comparing color indices",
# "max": 1,
# "min": 0.01,
# "name": "t",
# "shortdesc": "Tolerance",
# "step": 0.001,
# "type": "float"
# }
# ],
#----------------------
#tex3d_select_shape.mmg
#Selects a 3D texture inside, and another outside a shape. This can be used to map several textures into a single 3D scene.
# "inputs": [
# {
# "default": "vec3(0.5)",
# "label": "",
# "longdesc": "The 3D texture associated to the specified color index",
# "name": "in1",
# "shortdesc": "Input1",
# "type": "tex3d"
# },
# {
# "default": "vec3(0.5)",
# "label": "",
# "longdesc": "The 3D texture(s) associated to other color indices",
# "name": "in2",
# "shortdesc": "Input2",
# "type": "tex3d"
# },
# {
# "default": "0.0",
# "label": "",
# "longdesc": "The shape in which input1 is applied",
# "name": "shape",
# "shortdesc": "Shape",
# "type": "sdf3d"
# }
# ],
# "outputs": [
# {
# "longdesc": "The merged 3D texture",
# "shortdesc": "Output",
# "tex3d": "mix($in1($uv), $in2($uv), clamp($shape($uv.xyz)/max($d, 0.0001), 0.0, 1.0))",
# "type": "tex3d"
# }
# ],
# "parameters": [
# {
# "control": "None",
# "default": 0.5,
# "label": "Smoothness",
# "longdesc": "The width of the transition area between both textures",
# "max": 1,
# "min": 0,
# "name": "d",
# "shortdesc": "Smoothness",
# "step": 0.01,
# "type": "float"
# }
# ],
#----------------------
#tex3d_apply.mmg
#----------------------
#tex3d_apply.mmg
#----------------------
#tex3d_apply.mmg
#----------------------
#tex3d_apply.mmg
#vec3 blend3d_normal(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*c1 + (1.0-opacity)*c2;\n
#}
#vec3 blend3d_multiply(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*c1*c2 + (1.0-opacity)*c2;\n
#}
#vec3 blend3d_screen(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*(1.0-(1.0-c1)*(1.0-c2)) + (1.0-opacity)*c2;\n
#}
#float blend3d_overlay_f(float c1, float c2) {\n\t
# return (c1 < 0.5) ? (2.0*c1*c2) : (1.0-2.0*(1.0-c1)*(1.0-c2));\n
#}
#vec3 blend3d_overlay(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*vec3(blend3d_overlay_f(c1.x, c2.x), blend3d_overlay_f(c1.y, c2.y), blend3d_overlay_f(c1.z, c2.z)) + (1.0-opacity)*c2;\n
#}
#vec3 blend3d_hard_light(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*0.5*(c1*c2+blend3d_overlay(c1, c2, 1.0)) + (1.0-opacity)*c2;\n
#}
#float blend3d_soft_light_f(float c1, float c2) {\n\t
# return (c2 < 0.5) ? (2.0*c1*c2+c1*c1*(1.0-2.0*c2)) : 2.0*c1*(1.0-c2)+sqrt(c1)*(2.0*c2-1.0);\n
#}
#vec3 blend3d_soft_light(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*vec3(blend3d_soft_light_f(c1.x, c2.x), blend3d_soft_light_f(c1.y, c2.y), blend3d_soft_light_f(c1.z, c2.z)) + (1.0-opacity)*c2;\n
#}
#float blend3d_burn_f(float c1, float c2) {\n\t
# return (c1==0.0)?c1:max((1.0-((1.0-c2)/c1)),0.0);\n
#}
#vec3 blend3d_burn(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*vec3(blend3d_burn_f(c1.x, c2.x), blend3d_burn_f(c1.y, c2.y), blend3d_burn_f(c1.z, c2.z)) + (1.0-opacity)*c2;\n
#}
#float blend3d_dodge_f(float c1, float c2) {\n\t
# return (c1==1.0)?c1:min(c2/(1.0-c1),1.0);\n
#}
#vec3 blend3d_dodge(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*vec3(blend3d_dodge_f(c1.x, c2.x), blend3d_dodge_f(c1.y, c2.y), blend3d_dodge_f(c1.z, c2.z)) + (1.0-opacity)*c2;\n
#}
#vec3 blend3d_lighten(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*max(c1, c2) + (1.0-opacity)*c2;\n
#}
#vec3 blend3d_darken(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*min(c1, c2) + (1.0-opacity)*c2;
#}
#vec3 blend3d_difference(vec3 c1, vec3 c2, float opacity) {\n\t
# return opacity*clamp(c2-c1, vec3(0.0), vec3(1.0)) + (1.0-opacity)*c2;\n
#}
#float rand31(vec3 p) {\n\t
# return fract(sin(dot(p,vec3(127.1,311.7, 74.7)))*43758.5453123);\n
#}
#vec3 rand33(vec3 p) {\n\t
# p = vec3( dot(p,vec3(127.1,311.7, 74.7)),
# dot(p,vec3(269.5,183.3,246.1)),\n\t\t\t
# dot(p,vec3(113.5,271.9,124.6)));\n\n\t
#
# return -1.0 + 2.0*fract(sin(p)*43758.5453123);
#}
#float tex3d_fbm_value(vec3 coord, vec3 size, float seed) {\n\t
# vec3 o = floor(coord)+rand3(vec2(seed, 1.0-seed))+size;\n\t
# vec3 f = fract(coord);\n\t
# float p000 = rand31(mod(o, size));\n\t
# float p001 = rand31(mod(o + vec3(0.0, 0.0, 1.0), size));\n\t
# float p010 = rand31(mod(o + vec3(0.0, 1.0, 0.0), size));\n\t
# float p011 = rand31(mod(o + vec3(0.0, 1.0, 1.0), size));\n\t
# float p100 = rand31(mod(o + vec3(1.0, 0.0, 0.0), size));\n\t
# float p101 = rand31(mod(o + vec3(1.0, 0.0, 1.0), size));\n\t
# float p110 = rand31(mod(o + vec3(1.0, 1.0, 0.0), size));\n\t
# float p111 = rand31(mod(o + vec3(1.0, 1.0, 1.0), size));\n\t
#
# vec3 t = f * f * (3.0 - 2.0 * f);\n\t
#
# return mix(mix(mix(p000, p100, t.x), mix(p010, p110, t.x), t.y), mix(mix(p001, p101, t.x), mix(p011, p111, t.x), t.y), t.z);\n
#}
#float tex3d_fbm_perlin(vec3 coord, vec3 size, float seed) {\n\t
# vec3 o = floor(coord)+rand3(vec2(seed, 1.0-seed))+size;\n\t
# vec3 f = fract(coord);\n\t
# vec3 v000 = normalize(rand33(mod(o, size))-vec3(0.5));\n\t
# vec3 v001 = normalize(rand33(mod(o + vec3(0.0, 0.0, 1.0), size))-vec3(0.5));\n\t
# vec3 v010 = normalize(rand33(mod(o + vec3(0.0, 1.0, 0.0), size))-vec3(0.5));\n\t
# vec3 v011 = normalize(rand33(mod(o + vec3(0.0, 1.0, 1.0), size))-vec3(0.5));\n\t
# vec3 v100 = normalize(rand33(mod(o + vec3(1.0, 0.0, 0.0), size))-vec3(0.5));\n\t
# vec3 v101 = normalize(rand33(mod(o + vec3(1.0, 0.0, 1.0), size))-vec3(0.5));\n\t
# vec3 v110 = normalize(rand33(mod(o + vec3(1.0, 1.0, 0.0), size))-vec3(0.5));\n\t
# vec3 v111 = normalize(rand33(mod(o + vec3(1.0, 1.0, 1.0), size))-vec3(0.5));\n\t
#
# float p000 = dot(v000, f);\n\tfloat p001 = dot(v001, f - vec3(0.0, 0.0, 1.0));\n\t
# float p010 = dot(v010, f - vec3(0.0, 1.0, 0.0));\n\t
# float p011 = dot(v011, f - vec3(0.0, 1.0, 1.0));\n\t
# float p100 = dot(v100, f - vec3(1.0, 0.0, 0.0));\n\t
# float p101 = dot(v101, f - vec3(1.0, 0.0, 1.0));\n\t
# float p110 = dot(v110, f - vec3(1.0, 1.0, 0.0));\n\t
# float p111 = dot(v111, f - vec3(1.0, 1.0, 1.0));\n\t
#
# vec3 t = f * f * (3.0 - 2.0 * f);\n\t
#
# return 0.5 + mix(mix(mix(p000, p100, t.x), mix(p010, p110, t.x), t.y), mix(mix(p001, p101, t.x), mix(p011, p111, t.x), t.y), t.z);
#}
#float tex3d_fbm_cellular(vec3 coord, vec3 size, float seed) {\n\t
# vec3 o = floor(coord)+rand3(vec2(seed, 1.0-seed))+size;\n\t
# vec3 f = fract(coord);\n\tfloat min_dist = 3.0;\n\t
#
# for (float x = -1.0; x <= 1.0; x++) {\n\t\t
# for (float y = -1.0; y <= 1.0; y++) {\n\t\t\t
# for (float z = -1.0; z <= 1.0; z++) {\n\t\t\t\t
# vec3 node = 0.4*rand33(mod(o + vec3(x, y, z), size)) + vec3(x, y, z);\n\t\t\t\t
# float dist = sqrt((f - node).x * (f - node).x + (f - node).y * (f - node).y + (f - node).z * (f - node).z);\n\t\t\t\t
# min_dist = min(min_dist, dist);\n\t\t\t
# }\n\t\t
#
# }\n\t
#
# }\n\t
#
# return min_dist;
#}
#float wave3d_constant(float x) {\n\t
# return 1.0;\n
#}
#float wave3d_sine(float x) {\n\t
# return 0.5-0.5*cos(3.14159265359*2.0*x);\n
#}
#float wave3d_triangle(float x) {\n\t
# x = fract(x);\n\t
# return min(2.0*x, 2.0-2.0*x);\n
#}
#float wave3d_sawtooth(float x) {\n\t
# return fract(x);\n
#}
#float wave3d_square(float x) {\n\t
# return (fract(x) < 0.5) ? 0.0 : 1.0;\n
#}
#float wave3d_bounce(float x) {\n\t
# x = 2.0*(fract(x)-0.5);\n\t
# return sqrt(1.0-x*x);\n
#}
#float mix3d_mul(float x, float y, float z) {\n\t
# return x*y*z;\n
#}
#float mix3d_add(float x, float y, float z) {\n\t
# return min(x+y+z, 1.0);\n
#}
#float mix3d_max(float x, float y, float z) {\n\t
# return max(max(x, y), z);\n
#}
#float mix3d_min(float x, float y, float z) {\n\t
# return min(min(x, y), z);\n
#}
#float mix3d_xor(float x, float y, float z) {\n\t
# float xy = min(x+y, 2.0-x-y);\n\t
# return min(xy+z, 2.0-xy-z);\n
#}
#float mix3d_pow(float x, float y, float z) {\n\t
# return pow(pow(x, y), z);\n
#}
#vec3 tex3d_rotate(vec3 p, vec3 a) {\n\t
# vec3 rv;\n\t
# float c;\n\t
# float s;\n\t
# c = cos(a.x);\n\t
# s = sin(a.x);\n\t
# rv.x = p.x;\n\t
# rv.y = p.y*c+p.z*s;\n\t
# rv.z = -p.y*s+p.z*c;\n\t
# c = cos(a.y);\n\t
# s = sin(a.y);\n\t
# p.x = rv.x*c+rv.z*s;\n\t
# p.y = rv.y;\n\t
# p.z = -rv.x*s+rv.z*c;\n\t
# c = cos(a.z);\n\t
# s = sin(a.z);\n\t
# rv.x = p.x*c+p.y*s;\n\t
# rv.y = -p.x*s+p.y*c;\n\t
# rv.z = p.z;\n\t
# return rv;\n
#}
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