mirror of
https://github.com/Relintai/broken_seals.git
synced 2024-12-21 13:16:49 +01:00
900 lines
30 KiB
GDScript
900 lines
30 KiB
GDScript
tool
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extends Reference
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const Commons = preload("res://addons/mat_maker_gd/nodes/common/commons.gd")
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#----------------------
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#beehive.mmg
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#Outputs: (beehive_1c, beehive_2c, beehive_3c TODO make common code parameters)
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#Common
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#vec2 $(name_uv)_uv = $uv*vec2($sx, $sy*1.73205080757);
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#vec4 $(name_uv)_center = beehive_center($(name_uv)_uv);
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#Output (float) - Shows the greyscale pattern
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#1.0-2.0*beehive_dist($(name_uv)_center.xy)
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#Random color (rgb) - Shows a random color for each hexagonal tile
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#rand3(fract($(name_uv)_center.zw/vec2($sx, $sy))+vec2(float($seed)))
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#UV map (rgb) - Shows an UV map to be connected to the UV map port of the Custom UV node
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#vec3(vec2(0.5)+$(name_uv)_center.xy, rand(fract($(name_uv)_center.zw/vec2($sx, $sy))+vec2(float($seed))))
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#Inputs:
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#size, vector2, default: 2, min: 1, max: 64, step: 1
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#----------------------
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#pattern.mmg
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#Outputs: $(name)_fct($(uv))
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#Combiner, enum, default: 0, values (CombinerType): Multiply, Add, Max, Min, Xor, Pow
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#Pattern_x_type, enum, default: 5, values (CombinerAxisType): Sine, Triangle, Square, Sawtooth, Constant, Bounce
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#Pattern_y_type, enum, default: 5, values (CombinerAxisType): Sine, Triangle, Square, Sawtooth, Constant, Bounce
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#Pattern_Repeat, vector2, min: 0, max: 32, default:4, step: 1
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#----------------------
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#bricks.mmg
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#Outputs:
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#Common
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#vec4 $(name_uv)_rect = bricks_$pattern($uv, vec2($columns, $rows), $repeat, $row_offset);
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#vec4 $(name_uv) = brick($uv, $(name_uv)_rect.xy, $(name_uv)_rect.zw, $mortar*$mortar_map($uv), $round*$round_map($uv), max(0.001, $bevel*$bevel_map($uv)));
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#Bricks pattern (float) - A greyscale image that shows the bricks pattern
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#$(name_uv).x
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#Random color (rgb) - A random color for each brick
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#brick_random_color($(name_uv)_rect.xy, $(name_uv)_rect.zw, float($seed))
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#Position.x (float) - The position of each brick along the X axis",
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#$(name_uv).y
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#Position.y (float) - The position of each brick along the Y axis
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#$(name_uv).z
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#Brick UV (rgb) - An UV map output for each brick, to be connected to the Map input of a CustomUV node
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#brick_uv($uv, $(name_uv)_rect.xy, $(name_uv)_rect.zw, float($seed))
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#Corner UV (rgb) - An UV map output for each brick corner, to be connected to the Map input of a CustomUV node
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#brick_corner_uv($uv, $(name_uv)_rect.xy, $(name_uv)_rect.zw, $mortar*$mortar_map($uv), $corner, float($seed))
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#Direction (float) - The direction of each brick (white: horizontal, black: vertical)
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#0.5*(sign($(name_uv)_rect.z-$(name_uv)_rect.x-$(name_uv)_rect.w+$(name_uv)_rect.y)+1.0)
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#Inputs:
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#type / Pattern, enum, default: 0, values: Running Bond,Running Bond (2),HerringBone,Basket Weave,Spanish Bond
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#repeat, int, min: 1, max: 8, default: 1, step:1
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#rows, int, min: 1, max: 64, default: 6, step:1
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#columns, int, min: 1, max: 64, default: 6, step:1
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#offset, float, min: 0, max: 1, default: 0.5, step:0.01
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#mortar, float, min: 0, max: 0.5, default: 0.1, step:0.01 (universal input)
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#bevel, float, min: 0, max: 0.5, default: 0.1, step:0.01 (universal input)
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#round, float, min: 0, max: 0.5, default: 0.1, step:0.01 (universal input)
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#corner, float, min: 0, max: 0.5, default: 0.1, step:0.01
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#----------------------
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#bricks_uneven.mmg
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#Outputs:
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#Common
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#vec4 $(name_uv)_rect = bricks_uneven($uv, int($iterations), $min_size, $randomness, float($seed));
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#vec4 $(name_uv) = brick2($uv, $(name_uv)_rect.xy, $(name_uv)_rect.zw, $mortar*$mortar_map($uv), $round*$round_map($uv), max(0.00001, $bevel*$bevel_map($uv)));
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#Bricks pattern (float) - A greyscale image that shows the bricks pattern
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#$(name_uv).x
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#Random color (rgb) - A random color for each brick
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#rand3(fract($(name_uv)_rect.xy)+rand2(vec2(float($seed))))
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#Position.x (float) - The position of each brick along the X axis",
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#$(name_uv).y
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#Position.y (float) - The position of each brick along the Y axis
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#$(name_uv).z
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#Brick UV (rgb) - An UV map output for each brick, to be connected to the Map input of a CustomUV node
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#brick_uv($uv, $(name_uv)_rect.xy, $(name_uv)_rect.zw, float($seed))
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#Corner UV (rgb) - An UV map output for each brick corner, to be connected to the Map input of a CustomUV node
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#brick_corner_uv($uv, $(name_uv)_rect.xy, $(name_uv)_rect.zw, $mortar*$mortar_map($uv), $corner, float($seed))
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#Direction (float) - The direction of each brick (white: horizontal, black: vertical)
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#0.5*(sign($(name_uv)_rect.z-$(name_uv)_rect.x-$(name_uv)_rect.w+$(name_uv)_rect.y)+1.0)
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#Inputs:
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#iterations, int, min: 1, max: 16, default:8, step:1
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#min_size, float, min: 0, max: 0.5, default: 0.3, step:0.01
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#randomness, float, min: 0, max: 1, default: 0.5, step:0.01
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#mortar, float, min: 0, max: 0.5, default: 0.1, step:0.01 (universal input)
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#bevel, float, min: 0, max: 0.5, default: 0.1, step:0.01 (universal input)
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#round, float, min: 0, max: 0.5, default: 0.1, step:0.01 (universal input)
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#corner, float, min: 0, max: 0.5, default: 0.1, step:0.01
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#----------------------
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#runes.mmg (includes sdline.mmg)
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#Generates a grid filled with random runes
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#Outputs:
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#Output (float) - A greyscale image showing random runes.
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#Rune(vec2($columns, $rows)*$uv, float($seed))
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#Inputs:
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#size, vector2, default: 4, min: 2, max: 32, step: 1
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#----------------------
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#scratches.mmg
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#Draws white scratches on a black background
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#Outputs:
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#Output (float) - Shows white scratches on a black background
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#scratches($uv, int($layers), vec2($length, $width), $waviness, $angle, $randomness, vec2(float($seed), 0.0))
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#Inputs:
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#scratch_size (l, w), vector2, min: 0.1, max: 1, default: (0.25, 0.5), step:0.01
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#layers, float, min: 1, max: 10, default: 4, step:1
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#waviness, float, min: 0, max: 1, default: 0.5, step:0.01
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#angle, float, min: -180, max: 180, default: 0, step:1
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#randomness, float, min: 0, max: 1, default: 0.5, step:0.01
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#----------------------
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#iching.mmg
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#This node generates a grid of random I Ching hexagrams.
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#Outputs:
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#Output (float) - A greyscale image showing random I Ching hexagrams.
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#IChing(vec2($columns, $rows)*$uv, float($seed))
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#Inputs:
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#size, vector2, default: 2, min: 2, max: 32, step: 1
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enum CombinerAxisType {
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SINE,
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TRIANGLE,
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SQUARE,
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SAWTOOTH,
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CONSTANT,
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BOUNCE
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}
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enum CombinerType {
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MULTIPLY,
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ADD,
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MAX,
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MIN,
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XOR,
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POW
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}
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#float $(name)_fct(vec2 uv) {
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# return mix_$(mix)(wave_$(x_wave)($(x_scale)*uv.x), wave_$(y_wave)($(y_scale)*uv.y));
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#}
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static func pattern(uv : Vector2, x_scale : float, y_scale : float, ct : int, catx : int, caty : int) -> float:
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var x : float = 0
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var y : float = 0
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if catx == CombinerAxisType.SINE:
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x = Commons.wave_sine(x_scale * uv.x)
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elif catx == CombinerAxisType.TRIANGLE:
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x = Commons.wave_triangle(x_scale * uv.x)
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elif catx == CombinerAxisType.SQUARE:
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x = Commons.wave_square(x_scale * uv.x)
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elif catx == CombinerAxisType.SAWTOOTH:
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x = Commons.wave_sawtooth(x_scale * uv.x)
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elif catx == CombinerAxisType.CONSTANT:
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x = Commons.wave_constant(x_scale * uv.x)
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elif catx == CombinerAxisType.BOUNCE:
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x = Commons.wave_bounce(x_scale * uv.x)
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if caty == CombinerAxisType.SINE:
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y = Commons.wave_sine(y_scale * uv.y)
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elif caty == CombinerAxisType.TRIANGLE:
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y = Commons.wave_triangle(y_scale * uv.y)
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elif caty == CombinerAxisType.SQUARE:
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y = Commons.wave_square(y_scale * uv.y)
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elif caty == CombinerAxisType.SAWTOOTH:
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y = Commons.wave_sawtooth(y_scale * uv.y)
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elif caty == CombinerAxisType.CONSTANT:
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y = Commons.wave_constant(y_scale * uv.y)
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elif caty == CombinerAxisType.BOUNCE:
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y = Commons.wave_bounce(y_scale * uv.y)
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if ct == CombinerType.MULTIPLY:
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return Commons.mix_mul(x, y)
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elif ct == CombinerType.ADD:
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return Commons.mix_add(x, y);
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elif ct == CombinerType.MAX:
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return Commons.mix_max(x, y);
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elif ct == CombinerType.MIN:
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return Commons.mix_min(x, y);
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elif ct == CombinerType.XOR:
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return Commons.mix_xor(x, y);
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elif ct == CombinerType.POW:
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return Commons.mix_pow(x, y);
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return 0.0
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static func truchet1c(uv : Vector2, pseed : Vector2) -> Color:
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var f : float = truchet1(uv, pseed)
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return Color(f, f, f, 1);
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static func truchet1(uv : Vector2, pseed : Vector2) -> float:
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var i : Vector2 = Commons.floorv2(uv);
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var f : Vector2 = Commons.fractv2(uv) - Vector2(0.5, 0.5);
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return 1.0 - abs(abs((2.0*Commons.step(Commons.rand(i+pseed), 0.5)-1.0)*f.x+f.y)-0.5);
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static func truchet2c(uv : Vector2, pseed : Vector2) -> Color:
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var f : float = truchet2(uv, pseed)
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return Color(f, f, f, 1);
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static func truchet2(uv : Vector2, pseed : Vector2) -> float:
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var i : Vector2 = Commons.floorv2(uv);
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var f : Vector2 = Commons.fractv2(uv);
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var random : float = Commons.step(Commons.rand(i+pseed), 0.5);
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f.x *= 2.0 * random-1.0;
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f.x += 1.0 - random;
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return 1.0 - min(abs(f.length() - 0.5), abs((Vector2(1, 1) - f).length() - 0.5));
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static func weavec(uv : Vector2, count : Vector2, width : float) -> Color:
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var f : float = weave(uv, count, width);
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return Color(f, f, f, 1)
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static func weave(uv : Vector2, count : Vector2, width : float) -> float:
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uv *= count;
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var c : float = (sin(3.1415926* (uv.x + floor(uv.y)))*0.5+0.5)*Commons.step(abs(Commons.fract(uv.y)-0.5), width*0.5);
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c = max(c, (sin(3.1415926*(1.0+uv.y+floor(uv.x)))*0.5+0.5)*Commons.step(abs(Commons.fract(uv.x)-0.5), width*0.5));
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return c;
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static func sinewavec(uv : Vector2, amplitude : float, frequency : float, phase : float) -> Color:
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var f : float = 1.0- abs(2.0 * (uv.y-0.5) - amplitude * sin((frequency* uv.x + phase) * 6.28318530718));
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return Color(f, f, f, 1)
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static func sinewavef(uv : Vector2, amplitude : float, frequency : float, phase : float) -> float:
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return 1.0- abs(2.0 * (uv.y-0.5) - amplitude * sin((frequency* uv.x + phase) * 6.28318530718));
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#float scratch(vec2 uv, vec2 size, float waviness, float angle, float randomness, vec2 seed) {
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# float subdivide = floor(1.0/size.x);
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# float cut = size.x*subdivide;
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#
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# uv *= subdivide;
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#
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# vec2 r1 = rand2(floor(uv)+seed);
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# vec2 r2 = rand2(r1);
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#
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# uv = fract(uv);
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# vec2 border = 10.0*min(fract(uv), 1.0-fract(uv));
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# uv = 2.0*uv-vec2(1.0);
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#
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# float a = 6.28318530718*(angle+(r1.x-0.5)*randomness);
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# float c = cos(a);
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# float s = sin(a);
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#
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# uv = vec2(c*uv.x+s*uv.y, s*uv.x-c*uv.y);
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# uv.y += 2.0*r1.y-1.0;
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# uv.y += 0.5*waviness*cos(2.0*uv.x+6.28318530718*r2.y);
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# uv.x /= cut;
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# uv.y /= subdivide*size.y;
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#
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# return min(border.x, border.y)*(1.0-uv.x*uv.x)*max(0.0, 1.0-1000.0*uv.y*uv.y);
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#}
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static func scratch(uv : Vector2, size : Vector2, waviness : float, angle : float, randomness : float, pseed : Vector2) -> float:
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var subdivide : float = floor(1.0/size.x);
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var cut : float = size.x*subdivide;
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uv *= subdivide;
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var r1 : Vector2 = Commons.rand2(Commons.floorv2(uv) + pseed);
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var r2 : Vector2 = Commons.rand2(r1);
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uv = Commons.fractv2(uv);
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uv = 2.0 * uv - Vector2(1, 1);
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var a : float = 6.28*(angle+(r1.x-0.5)*randomness);
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var c : float = cos(a);
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var s : float = sin(a);
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uv = Vector2(c*uv.x+s*uv.y, s*uv.x-c*uv.y);
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uv.y += 2.0*r1.y-1.0;
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uv.y += 0.5*waviness*cos(2.0*uv.x+6.28*r2.y);
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uv.x /= cut;
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uv.y /= subdivide*size.y;
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return (1.0-uv.x*uv.x)*max(0.0, 1.0-1000.0*uv.y*uv.y);
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#float scratches(vec2 uv, int layers, vec2 size, float waviness, float angle, float randomness, vec2 seed) {
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# float v = 0.0;
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#
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# for (int i = 0; i < layers; ++i) {
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# seed = rand2(seed);
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# v = max(v, scratch(fract(uv+seed), size, waviness, angle/360.0, randomness, seed));
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# }
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#
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# return v;
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#}
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static func scratches(uv : Vector2, layers : int, size : Vector2, waviness : float, angle : float, randomness : float, pseed : Vector2) -> float:
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var v : float = 0.0;
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for i in range(layers):# (int i = 0; i < layers; ++i) {
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v = max(v, scratch(Commons.fractv2(uv + pseed), size, waviness, angle/360.0, randomness, pseed));
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pseed = Commons.rand2(pseed);
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return v;
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static func scratchesc(uv : Vector2, layers : int, size : Vector2, waviness : float, angle : float, randomness : float, pseed : Vector2) -> Color:
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var f : float = scratches(uv, layers, size, waviness, angle, randomness, pseed)
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return Color(f, f, f, 1)
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static func runesc(uv : Vector2, col_row : Vector2) -> Color:
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var f : float = rune(col_row * uv);
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return Color(f, f, f, 1)
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static func runesf(uv : Vector2, col_row : Vector2) -> float:
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return rune(col_row * uv);
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#sdline.mmg
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#vec2 sdLine(vec2 p, vec2 a, vec2 b) {
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# vec2 pa = p-a, ba = b-a;
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# float h = clamp(dot(pa,ba)/dot(ba,ba), 0.0, 1.0);
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#
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# return vec2(length(pa-ba*h), h);
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#}
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#float ThickLine(vec2 uv, vec2 posA, vec2 posB, float radiusInv){
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# return clamp(1.1-20.0*sdLine(uv, posA, posB).x, 0.0, 1.0);
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#}
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#// makes a rune in the 0..1 uv space. Seed is which rune to draw.
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#// passes back gray in x and derivates for lighting in yz
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#float Rune(vec2 uv, float s) {
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# float finalLine = 0.0;
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# vec2 seed = floor(uv)-rand2(vec2(s));
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# uv = fract(uv);
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#
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# for (int i = 0; i < 4; i++) // number of strokes
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# {
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# vec2 posA = rand2(floor(seed+0.5));
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# vec2 posB = rand2(floor(seed+1.5));
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# seed += 2.0;
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# // expand the range and mod it to get a nicely distributed random number - hopefully. :)
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# posA = fract(posA * 128.0);
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# posB = fract(posB * 128.0);
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# // each rune touches the edge of its box on all 4 sides
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#
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# if (i == 0) posA.y = 0.0;
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# if (i == 1) posA.x = 0.999;
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# if (i == 2) posA.x = 0.0;
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# if (i == 3) posA.y = 0.999;
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#
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# // snap the random line endpoints to a grid 2x3
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# vec2 snaps = vec2(2.0, 3.0);
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# posA = (floor(posA * snaps) + 0.5) / snaps; // + 0.5 to center it in a grid cell
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# posB = (floor(posB * snaps) + 0.5) / snaps;
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#
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# //if (distance(posA, posB) < 0.0001) continue;
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# // eliminate dots.
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# // Dots (degenerate lines) are not cross-GPU safe without adding 0.001 - divide by 0 error.
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# finalLine = max(finalLine, ThickLine(uv, posA, posB + 0.001, 20.0));
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# }
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#
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# return finalLine;
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#}
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# makes a rune in the 0..1 uv space. Seed is which rune to draw.
|
|
# passes back gray in x and derivates for lighting in yz
|
|
static func rune(uv : Vector2) -> float:
|
|
var finalLine : float = 0.0;
|
|
var pseed : Vector2 = Commons.floorv2(uv) - Vector2(0.41, 0.41);
|
|
|
|
uv = Commons.fractv2(uv);
|
|
|
|
for i in range(4):# (int i = 0; i < 4; i++): # // number of strokes
|
|
var posA : Vector2 = Commons.rand2(Commons.floorv2(pseed + Vector2(0.5, 0.5)));
|
|
var posB : Vector2 = Commons.rand2(Commons.floorv2(pseed + Vector2(1.5, 1.5)));
|
|
pseed.x += 2.0;
|
|
pseed.y += 2.0;
|
|
|
|
# expand the range and mod it to get a nicely distributed random number - hopefully. :)
|
|
|
|
posA = Commons.fractv2(posA * 128.0);
|
|
posB = Commons.fractv2(posB * 128.0);
|
|
|
|
# each rune touches the edge of its box on all 4 sides
|
|
if (i == 0):
|
|
posA.y = 0.0;
|
|
|
|
if (i == 1):
|
|
posA.x = 0.999;
|
|
|
|
if (i == 2):
|
|
posA.x = 0.0;
|
|
|
|
if (i == 3):
|
|
posA.y = 0.999;
|
|
|
|
# snap the random line endpoints to a grid 2x3
|
|
|
|
var snaps : Vector2 = Vector2(2.0, 3.0);
|
|
|
|
posA = (Commons.floorv2(posA * snaps) + Vector2(0.5, 0.5)) / snaps; # + 0.5 to center it in a grid cell
|
|
posB = (Commons.floorv2(posB * snaps) + Vector2(0.5, 0.5)) / snaps;
|
|
|
|
#if (distance(posA, posB) < 0.0001) continue; // eliminate dots.
|
|
# Dots (degenerate lines) are not cross-GPU safe without adding 0.001 - divide by 0 error.
|
|
|
|
finalLine = max(finalLine, Commons.ThickLine(uv, posA, posB + Vector2(0.001, 0.001), 20.0));
|
|
|
|
return finalLine;
|
|
|
|
static func IChingc(uv : Vector2, row_col : Vector2, pseed : int) -> Color:
|
|
var f : float = IChing(row_col * uv, float(pseed));
|
|
|
|
return Color(f, f, f, 1)
|
|
|
|
#float IChing(vec2 uv, float seed) {
|
|
# int value = int(32.0*rand(floor(uv)+vec2(seed)));
|
|
# float base = step(0.5, fract(fract(uv.y)*6.5))*step(0.04, fract(uv.y+0.02))*step(0.2, fract(uv.x+0.1));
|
|
# int bit = int(fract(uv.y)*6.5);
|
|
#
|
|
# return base*step(0.1*step(float(bit & value), 0.5), fract(uv.x+0.55));
|
|
#}
|
|
|
|
static func IChing(uv : Vector2, pseed : float) -> float:
|
|
var value : int = int(32.0 * Commons.rand(Commons.floorv2(uv) + Vector2(pseed, pseed)));
|
|
var base : float = Commons.step(0.5, Commons.fract(Commons.fract(uv.y)*6.5))*Commons.step(0.04, Commons.fract(uv.y+0.02)) * Commons.step(0.2, Commons.fract(uv.x+0.1));
|
|
var bit : int = int(Commons.fract(uv.y)*6.5);
|
|
|
|
return base * Commons.step(0.1*Commons.step(float(bit & value), 0.5), Commons.fract(uv.x+0.55));
|
|
|
|
#Beehive output 1
|
|
#Shows the greyscale pattern
|
|
#vec2 $(name_uv)_uv = $uv*vec2($sx, $sy*1.73205080757);
|
|
#vec4 $(name_uv)_center = beehive_center($(name_uv)_uv);
|
|
#1.0-2.0*beehive_dist($(name_uv)_center.xy)
|
|
|
|
static func beehive_1c(uv : Vector2, size : Vector2, pseed : int) -> Color:
|
|
var o80035_0_uv : Vector2 = uv * Vector2(size.x, size.y * 1.73205080757);
|
|
var center : Color = beehive_center(o80035_0_uv);
|
|
|
|
var f : float = 1.0 - 2.0 * beehive_dist(Vector2(center.r, center.g));
|
|
|
|
return Color(f, f, f, 1)
|
|
|
|
#Beehive output 2
|
|
#Shows a random color for each hexagonal tile
|
|
#vec2 $(name_uv)_uv = $uv*vec2($sx, $sy*1.73205080757);
|
|
#vec4 $(name_uv)_center = beehive_center($(name_uv)_uv);
|
|
#rand3(fract($(name_uv)_center.zw/vec2($sx, $sy))+vec2(float($seed)))
|
|
|
|
static func beehive_2c(uv : Vector2, size : Vector2, pseed : int) -> Color:
|
|
var o80035_0_uv : Vector2 = uv * Vector2(size.x, size.y * 1.73205080757);
|
|
var center : Color = beehive_center(o80035_0_uv);
|
|
|
|
var f : float = 1.0 - 2.0 * beehive_dist(Vector2(center.r, center.g));
|
|
|
|
var v : Vector3 = Commons.rand3(Commons.fractv2(Vector2(center.b, center.a) / Vector2(size.x, size.y)) + Vector2(float(pseed),float(pseed)));
|
|
|
|
return Color(v.x, v.y, v.z, 1)
|
|
|
|
#Beehive output 3
|
|
#Shows an UV map to be connected to the UV map port of the Custom UV node
|
|
#vec3(vec2(0.5)+$(name_uv)_center.xy, rand(fract($(name_uv)_center.zw/vec2($sx, $sy))+vec2(float($seed))))
|
|
#vec2 $(name_uv)_uv = $uv*vec2($sx, $sy*1.73205080757);
|
|
#vec4 $(name_uv)_center = beehive_center($(name_uv)_uv);
|
|
|
|
static func beehive_3c(uv : Vector2, size : Vector2, pseed : int) -> Color:
|
|
var o80035_0_uv : Vector2 = uv * Vector2(size.x, size.y * 1.73205080757);
|
|
var center : Color = beehive_center(o80035_0_uv);
|
|
|
|
#var f : float = 1.0 - 2.0 * beehive_dist(Vector2(center.r, center.g));
|
|
|
|
var v1 : Vector2 = Vector2(0.5, 0.5) + Vector2(center.r, center.g)
|
|
var ff : float = Commons.rand(Commons.fractv2(Vector2(center.b, center.a) / Vector2(size.x, size.y)) + Vector2(float(pseed), float(pseed)))
|
|
|
|
var c : Color = Color(v1.x, v1.y, ff, ff);
|
|
|
|
return c
|
|
|
|
#float beehive_dist(vec2 p){
|
|
# ec2 s = vec2(1.0, 1.73205080757);
|
|
# p = abs(p);
|
|
# return max(dot(p, s*.5), p.x);
|
|
#}
|
|
|
|
static func beehive_dist(p : Vector2) -> float:
|
|
var s : Vector2 = Vector2(1.0, 1.73205080757);
|
|
|
|
p = Commons.absv2(p);
|
|
|
|
return max(p.dot(s*.5), p.x);
|
|
|
|
#vec4 beehive_center(vec2 p) {
|
|
# vec2 s = vec2(1.0, 1.73205080757);
|
|
# vec4 hC = floor(vec4(p, p - vec2(.5, 1)) / vec4(s,s)) + .5;
|
|
# vec4 h = vec4(p - hC.xy*s, p - (hC.zw + .5)*s);
|
|
# return dot(h.xy, h.xy)<dot(h.zw, h.zw) ? vec4(h.xy, hC.xy) : vec4(h.zw, hC.zw + 9.73);
|
|
#}
|
|
|
|
static func beehive_center(p : Vector2) -> Color:
|
|
var s : Vector2 = Vector2(1.0, 1.73205080757);
|
|
|
|
var hC : Color = Color(p.x, p.y, p.x - 0.5, p.y - 1) / Color(s.x, s.y, s.x, s.y);
|
|
|
|
hC = Commons.floorc(Color(p.x, p.y, p.x - 0.5, p.y - 1) / Color(s.x, s.y, s.x, s.y)) + Color(0.5, 0.5, 0.5, 0.5);
|
|
|
|
var v1 : Vector2 = Vector2(p.x - hC.r * s.x, p.y - hC.g * s.y)
|
|
var v2 : Vector2 = Vector2(p.x - (hC.b + 0.5) * s.x, p.y - (hC.a + 0.5) * s.y)
|
|
|
|
var h : Color = Color(v1.x, v1.y, v2.x, v2.y);
|
|
|
|
if Vector2(h.r, h.g).dot(Vector2(h.r, h.g)) < Vector2(h.b, h.a).dot(Vector2(h.b, h.a)):
|
|
return Color(h.r, h.g, hC.r, hC.g)
|
|
else:
|
|
return Color(h.b, h.a, hC.b + 9.73, hC.a + 9.73)
|
|
|
|
#return dot(h.xy, h.xy) < dot(h.zw, h.zw) ? Color(h.xy, hC.xy) : Color(h.zw, hC.zw + 9.73);
|
|
|
|
#vec3 brick_corner_uv(vec2 uv, vec2 bmin, vec2 bmax, float mortar, float corner, float seed) {
|
|
# vec2 center = 0.5*(bmin + bmax);
|
|
# vec2 size = bmax - bmin;
|
|
#
|
|
# float max_size = max(size.x, size.y);
|
|
# float min_size = min(size.x, size.y);
|
|
#
|
|
# mortar *= min_size;
|
|
# corner *= min_size;
|
|
#
|
|
# return vec3(clamp((0.5*size-vec2(mortar)-abs(uv-center))/corner, vec2(0.0), vec2(1.0)), rand(fract(center)+vec2(seed)+ceil(vec2(uv-center))));
|
|
#}
|
|
|
|
static func brick_corner_uv(uv : Vector2, bmin : Vector2, bmax : Vector2, mortar : float, corner : float, pseed : float) -> Vector3:
|
|
var center : Vector2 = 0.5 * (bmin + bmax)
|
|
var size : Vector2 = bmax - bmin
|
|
var max_size : float = max(size.x, size.y)
|
|
var min_size : float = min(size.x, size.y)
|
|
mortar *= min_size
|
|
corner *= min_size
|
|
|
|
var r : Vector3 = Vector3()
|
|
|
|
r.x = clamp(((0.5 * size.x - mortar) - abs(uv.x - center.x)) / corner, 0, 1)
|
|
r.y = clamp(((0.5 * size.y - mortar) - abs(uv.y - center.y)) / corner, 0, 1)
|
|
r.z = Commons.rand(Commons.fractv2(center) + Vector2(pseed, pseed))
|
|
|
|
return r
|
|
|
|
# return vec3(clamp((0.5*size-vec2(mortar)-abs(uv-center))/corner, vec2(0.0), vec2(1.0)), rand(fract(center)+vec2(seed)));
|
|
|
|
#vec4 brick(vec2 uv, vec2 bmin, vec2 bmax, float mortar, float round, float bevel) {
|
|
# float color;
|
|
# vec2 size = bmax - bmin;
|
|
# float min_size = min(size.x, size.y);
|
|
#
|
|
# mortar *= min_size;
|
|
# bevel *= min_size;
|
|
# round *= min_size;
|
|
# vec2 center = 0.5*(bmin+bmax);
|
|
# vec2 d = abs(uv-center)-0.5*(size)+vec2(round+mortar);
|
|
#
|
|
# color = length(max(d,vec2(0))) + min(max(d.x,d.y),0.0)-round;
|
|
# color = clamp(-color/bevel, 0.0, 1.0);
|
|
# vec2 tiled_brick_pos = mod(bmin, vec2(1.0, 1.0));
|
|
#
|
|
# return vec4(color, center, tiled_brick_pos.x+7.0*tiled_brick_pos.y);
|
|
#}
|
|
|
|
static func brick(uv : Vector2, bmin : Vector2, bmax : Vector2, mortar : float, pround : float, bevel : float) -> Color:
|
|
var color : float
|
|
var size : Vector2 = bmax - bmin
|
|
|
|
var min_size : float = min(size.x, size.y)
|
|
mortar *= min_size
|
|
bevel *= min_size
|
|
pround *= min_size
|
|
|
|
var center : Vector2 = 0.5 * (bmin + bmax)
|
|
var d : Vector2 = Vector2()
|
|
|
|
d.x = abs(uv.x - center.x) - 0.5 * (size.x) + (pround + mortar)
|
|
d.y = abs(uv.y - center.y) - 0.5 * (size.y) + (pround + mortar)
|
|
|
|
color = Vector2(max(d.x, 0), max(d.y, 0)).length() + min(max(d.x, d.y), 0.0) - pround
|
|
|
|
color = clamp(-color / bevel, 0.0, 1.0)
|
|
|
|
# var tiled_brick_pos : Vector2 = Vector2(bmin.x - 1.0 * floor(bmin.x / 1.0), bmin.y - 1.0 * floor(bmin.y / 1.0))
|
|
|
|
var tiled_brick_pos_x : float = bmin.x - 1.0 * floor(bmin.x / 1.0)
|
|
var tiled_brick_pos_y : float = bmin.y - 1.0 * floor(bmin.y / 1.0)
|
|
|
|
#vec2 tiled_brick_pos = mod(bmin, vec2(1.0, 1.0));
|
|
|
|
return Color(color, center.x, center.y, tiled_brick_pos_x + 7.0 * tiled_brick_pos_y)
|
|
|
|
#vec3 brick_random_color(vec2 bmin, vec2 bmax, float seed) {
|
|
# vec2 center = 0.5*(bmin + bmax);
|
|
# return rand3(fract(center + vec2(seed)));
|
|
#}
|
|
|
|
static func brick_random_color(uv : Vector2, bmin : Vector2, bmax : Vector2, pseed : float) -> Vector3:
|
|
var center : Vector2 = 0.5 * (bmin + bmax)
|
|
|
|
return Commons.rand3(Commons.fractv2(center + Vector2(pseed, pseed)));
|
|
|
|
#vec3 brick_uv(vec2 uv, vec2 bmin, vec2 bmax, float seed) {
|
|
# vec2 center = 0.5*(bmin + bmax);
|
|
# vec2 size = bmax - bmin;
|
|
#
|
|
# float max_size = max(size.x, size.y);
|
|
#
|
|
# return vec3(0.5+(uv-center)/max_size, rand(fract(center)+vec2(seed)));
|
|
#}
|
|
|
|
static func brick_uv(uv : Vector2, bmin : Vector2, bmax : Vector2, pseed : float) -> Vector3:
|
|
var center : Vector2 = 0.5 * (bmin + bmax)
|
|
var size : Vector2 = bmax - bmin
|
|
var max_size : float = max(size.x, size.y)
|
|
|
|
var x : float = 0.5+ (uv.x - center.x) / max_size
|
|
var y : float = 0.5+ (uv.y - center.y) /max_size
|
|
|
|
return Vector3(x, y, Commons.rand(Commons.fractv2(center) + Vector2(pseed, pseed)))
|
|
|
|
#vec4 bricks_rb(vec2 uv, vec2 count, float repeat, float offset) {
|
|
# count *= repeat;float x_offset = offset*step(0.5, fract(uv.y*count.y*0.5));
|
|
#
|
|
# vec2 bmin = floor(vec2(uv.x*count.x-x_offset, uv.y*count.y));
|
|
#
|
|
# bmin.x += x_offset;
|
|
# bmin /= count;
|
|
#
|
|
# return vec4(bmin, bmin+vec2(1.0)/count);
|
|
#}
|
|
|
|
static func bricks_rb(uv : Vector2, count : Vector2, repeat : float, offset : float) -> Color:
|
|
count *= repeat
|
|
|
|
var x_offset : float = offset * Commons.step(0.5, Commons.fractf(uv.y * count.y * 0.5))
|
|
|
|
var bmin : Vector2
|
|
bmin.x = floor(uv.x * count.x - x_offset)
|
|
bmin.y = floor(uv.y * count.y)
|
|
|
|
bmin.x += x_offset;
|
|
bmin /= count
|
|
var bmc : Vector2 = bmin + Vector2(1.0, 1.0) / count
|
|
|
|
return Color(bmin.x, bmin.y, bmc.x, bmc.y)
|
|
|
|
#vec4 bricks_rb2(vec2 uv, vec2 count, float repeat, float offset) {
|
|
# count *= repeat;
|
|
#
|
|
# float x_offset = offset*step(0.5, fract(uv.y*count.y*0.5));
|
|
# count.x = count.x*(1.0+step(0.5, fract(uv.y*count.y*0.5)));
|
|
#
|
|
# vec2 bmin = floor(vec2(uv.x*count.x-x_offset, uv.y*count.y));
|
|
#
|
|
# bmin.x += x_offset;
|
|
# bmin /= count;
|
|
#
|
|
# return vec4(bmin, bmin+vec2(1.0)/count);
|
|
#}
|
|
|
|
static func bricks_rb2(uv : Vector2, count : Vector2, repeat : float, offset : float) -> Color:
|
|
count *= repeat
|
|
|
|
var x_offset : float = offset * Commons.step(0.5, Commons.fractf(uv.y * count.y * 0.5))
|
|
count.x = count.x * (1.0+Commons.step(0.5, Commons.fractf(uv.y * count.y * 0.5)))
|
|
var bmin : Vector2 = Vector2()
|
|
|
|
bmin.x = floor(uv.x * count.x - x_offset)
|
|
bmin.y = floor(uv.y * count.y)
|
|
|
|
bmin.x += x_offset
|
|
bmin /= count
|
|
|
|
var b : Vector2 = bmin + Vector2(1, 1) / count
|
|
|
|
return Color(bmin.x, bmin.y, b.x, b.y)
|
|
|
|
#vec4 bricks_hb(vec2 uv, vec2 count, float repeat, float offset) {
|
|
# float pc = count.x+count.y;
|
|
# float c = pc*repeat;
|
|
# vec2 corner = floor(uv*c);
|
|
# float cdiff = mod(corner.x-corner.y, pc);
|
|
#
|
|
# if (cdiff < count.x) {
|
|
# return vec4((corner-vec2(cdiff, 0.0))/c, (corner-vec2(cdiff, 0.0)+vec2(count.x, 1.0))/c);
|
|
# } else {
|
|
# return vec4((corner-vec2(0.0, pc-cdiff-1.0))/c, (corner-vec2(0.0, pc-cdiff-1.0)+vec2(1.0, count.y))/c);
|
|
# }
|
|
#}
|
|
|
|
static func bricks_hb(uv : Vector2, count : Vector2, repeat : float, offset : float) -> Color:
|
|
var pc : float = count.x + count.y
|
|
var c : float = pc * repeat
|
|
|
|
var corner : Vector2 = Vector2(floor(uv.x * c), floor(uv.y * c))
|
|
var cdiff : float = Commons.modf(corner.x - corner.y, pc)
|
|
|
|
if (cdiff < count.x):
|
|
var col : Color = Color()
|
|
|
|
col.r = (corner.x - cdiff) / c
|
|
col.g = corner.y / c
|
|
|
|
col.b = (corner.x - cdiff + count.x) / c
|
|
col.a = (corner.y + 1.0) / c
|
|
|
|
return col
|
|
else:
|
|
var col : Color = Color()
|
|
|
|
col.r = corner.x / c
|
|
col.g = (corner.y - (pc - cdiff - 1.0)) / c
|
|
|
|
col.b = (corner.x + 1.0) / c
|
|
col.a = (corner.y - (pc - cdiff - 1.0) + count.y) / c
|
|
|
|
return col
|
|
|
|
#vec4 bricks_bw(vec2 uv, vec2 count, float repeat, float offset) {
|
|
# vec2 c = 2.0*count*repeat;
|
|
# float mc = max(c.x, c.y);
|
|
# vec2 corner1 = floor(uv*c);
|
|
# vec2 corner2 = count*floor(repeat*2.0*uv);
|
|
# float cdiff = mod(dot(floor(repeat*2.0*uv), vec2(1.0)), 2.0);
|
|
# vec2 corner;
|
|
# vec2 size;
|
|
#
|
|
# if (cdiff == 0.0) {
|
|
# orner = vec2(corner1.x, corner2.y);
|
|
# size = vec2(1.0, count.y);
|
|
# } else {
|
|
# corner = vec2(corner2.x, corner1.y);
|
|
# size = vec2(count.x, 1.0);
|
|
# }
|
|
#
|
|
# return vec4(corner/c, (corner+size)/c);
|
|
#}
|
|
|
|
static func bricks_bw(uv : Vector2, count : Vector2, repeat : float, offset : float) -> Color:
|
|
var c : Vector2 = 2.0 * count * repeat
|
|
var mc : float = max(c.x, c.y)
|
|
var corner1 : Vector2 = Vector2(floor(uv.x * c.x), floor(uv.y * c.y))
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var corner2 : Vector2 = Vector2(count.x * floor(repeat* 2.0 * uv.x), count.y * floor(repeat * 2.0 * uv.y))
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var tmp : Vector2 = Vector2(floor(repeat * 2.0 * uv.x), floor(repeat * 2.0 * uv.y))
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var cdiff : float = Commons.modf(tmp.dot(Vector2(1, 1)), 2.0)
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var corner : Vector2
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var size : Vector2
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if cdiff == 0:
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corner = Vector2(corner1.x, corner2.y)
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size = Vector2(1.0, count.y)
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else:
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corner = Vector2(corner2.x, corner1.y)
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size = Vector2(count.x, 1.0)
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return Color(corner.x / c.x, corner.y / c.y, (corner.x + size.x) / c.x, (corner.y + size.y) / c.y)
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#vec4 bricks_sb(vec2 uv, vec2 count, float repeat, float offset) {
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# vec2 c = (count+vec2(1.0))*repeat;
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# float mc = max(c.x, c.y);
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# vec2 corner1 = floor(uv*c);
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# vec2 corner2 = (count+vec2(1.0))*floor(repeat*uv);
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# vec2 rcorner = corner1 - corner2;
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# vec2 corner;
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# vec2 size;
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#
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# if (rcorner.x == 0.0 && rcorner.y < count.y) {
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# corner = corner2;
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# size = vec2(1.0, count.y);
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# } else if (rcorner.y == 0.0) {
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# corner = corner2+vec2(1.0, 0.0);
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# size = vec2(count.x, 1.0);
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# } else if (rcorner.x == count.x) {
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# corner = corner2+vec2(count.x, 1.0);
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# size = vec2(1.0, count.y);
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# } else if (rcorner.y == count.y) {
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# corner = corner2+vec2(0.0, count.y);
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# size = vec2(count.x, 1.0);
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# } else {
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# corner = corner2+vec2(1.0);
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# size = vec2(count.x-1.0, count.y-1.0);
|
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# }
|
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#
|
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# return vec4(corner/c, (corner+size)/c);
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#}
|
|
|
|
static func bricks_sb(uv : Vector2, count : Vector2, repeat : float, offset : float) -> Color:
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|
var c : Vector2 = (count + Vector2(1, 1)) * repeat
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|
var mc : float = max(c.x, c.y)
|
|
var corner1 : Vector2 = Vector2(floor(uv.x * c.x), floor(uv.y * c.y))
|
|
var corner2 : Vector2 = (count + Vector2(1, 1)) * Vector2(floor(repeat * uv.x), floor(repeat * uv.y))
|
|
var rcorner : Vector2 = corner1 - corner2
|
|
|
|
var corner : Vector2
|
|
var size : Vector2
|
|
|
|
if (rcorner.x == 0.0 && rcorner.y < count.y):
|
|
corner = corner2
|
|
size = Vector2(1.0, count.y)
|
|
elif (rcorner.y == 0.0):
|
|
corner = corner2 + Vector2(1.0, 0.0)
|
|
size = Vector2(count.x, 1.0)
|
|
elif (rcorner.x == count.x):
|
|
corner = corner2 + Vector2(count.x, 1.0)
|
|
size = Vector2(1.0, count.y)
|
|
elif (rcorner.y == count.y):
|
|
corner = corner2 + Vector2(0.0, count.y)
|
|
size = Vector2(count.x, 1.0)
|
|
else:
|
|
corner = corner2 + Vector2(1, 1)
|
|
size = Vector2(count.x-1.0, count.y-1.0)
|
|
|
|
return Color(corner.x / c.x, corner.y / c.y, (corner.x + size.x) / c.x, (corner.y + size.y) / c.y)
|
|
|
|
#vec4 brick2(vec2 uv, vec2 bmin, vec2 bmax, float mortar, float round, float bevel) {
|
|
# float color;
|
|
# vec2 size = bmax - bmin;
|
|
# vec2 center = 0.5*(bmin+bmax);
|
|
# vec2 d = abs(uv-center)-0.5*(size)+vec2(round+mortar);
|
|
#
|
|
# color = length(max(d,vec2(0))) + min(max(d.x,d.y),0.0)-round;
|
|
# color = clamp(-color/bevel, 0.0, 1.0);
|
|
#
|
|
# vec2 tiled_brick_pos = mod(bmin, vec2(1.0, 1.0));
|
|
#
|
|
# return vec4(color, center, tiled_brick_pos.x+7.0*tiled_brick_pos.y);
|
|
#}
|
|
|
|
static func brick2(uv : Vector2, bmin : Vector2, bmax : Vector2, mortar : float, pround : float, bevel : float) -> Color:
|
|
return Color()
|
|
|
|
#vec4 bricks_uneven(vec2 uv, int iterations, float min_size, float randomness, float seed) {
|
|
# vec2 a = vec2(0.0);
|
|
# vec2 b = vec2(1.0);
|
|
# for (int i = 0; i < iterations; ++i) {
|
|
# vec2 size = b-a;
|
|
# if (max(size.x, size.y) < min_size) {
|
|
# break;
|
|
# }
|
|
#
|
|
# float x = rand(rand2(vec2(rand(a+b), seed)))*randomness+(1.0-randomness)*0.5;
|
|
#
|
|
# if (size.x > size.y) {
|
|
# x *= size.x;
|
|
#
|
|
# if (uv.x > a.x+x) {
|
|
# a.x += x;
|
|
# } else {
|
|
# b.x = a.x + x;
|
|
# }
|
|
# } else {
|
|
# x *= size.y;
|
|
#
|
|
# if (uv.y > a.y+x) {
|
|
# a.y += x;
|
|
# } else {
|
|
# b.y = a.y + x;
|
|
# }
|
|
# }
|
|
# }
|
|
#
|
|
# return vec4(a, b);
|
|
#}
|
|
|
|
static func bricks_uneven(uv : Vector2, iterations : int, min_size : float, randomness : float, pseed : float) -> Color:
|
|
return Color()
|