mirror of
https://github.com/Relintai/broken_seals.git
synced 2024-11-13 20:47:19 +01:00
294 lines
6.7 KiB
GDScript
294 lines
6.7 KiB
GDScript
tool
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extends TextureRect
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var image : Image
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var tex : ImageTexture
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export(Vector2) var bmin : Vector2 = Vector2(0.1, 0.1)
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export(Vector2) var bmax : Vector2 = Vector2(1, 1)
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export(bool) var refresh setget reff,reffg
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func _ready():
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if !Engine.editor_hint:
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gen()
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func gen() -> void:
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if !image:
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image = Image.new()
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image.create(300, 300, false, Image.FORMAT_RGBA8)
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if !tex:
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tex = ImageTexture.new()
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# var bmin : Vector2 = Vector2(0.1, 0.1)
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# var bmax : Vector2 = Vector2(1, 1)
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image.lock()
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var w : float = image.get_width()
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var h : float = image.get_width()
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var pseed : float = randf() + randi()
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for x in range(image.get_width()):
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for y in range(image.get_height()):
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var v : Vector2 = Vector2(x / w, y / h)
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# var f : float = pattern(v, 4, 4, CombinerType.MULTIPLY, CombinerAxisType.SINE, CombinerAxisType.SINE)
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var col : Color = sinewave(v)
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# var col : Color = beehive_2_col(v)
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# var col : Color = beehive_3_col(v)
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image.set_pixel(x, y, col)
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image.unlock()
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tex.create_from_image(image)
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texture = tex
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var p_o41835_translate_x = 0.500000000;
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var p_o41835_translate_y = 0.500000000;
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var p_o41835_rotate = 0.000000000;
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var p_o41835_scale_x = 1.000000000;
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var p_o41835_scale_y = 1.000000000;
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var seed_o41836 = 31052;
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var p_o41836_scale_x = 4.000000000;
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var p_o41836_scale_y = 4.000000000;
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var p_o41836_iterations = 3.000000000;
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var p_o41836_persistence = 0.500000000;
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func sinewave(uv : Vector2) -> Color:
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var f : float = perlin((((uv))), Vector2(p_o41836_scale_x, p_o41836_scale_y), int(p_o41836_iterations), p_o41836_persistence, seed_o41836);
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var ff : float = perlin((transform(((uv)), Vector2(p_o41835_translate_x*(2.0*f-1.0), p_o41835_translate_y*(2.0*f-1.0)), p_o41835_rotate*0.01745329251*(2.0*1.0-1.0), Vector2(p_o41835_scale_x*(2.0*1.0-1.0), p_o41835_scale_y*(2.0*1.0-1.0)), true)), Vector2(p_o41836_scale_x, p_o41836_scale_y), int(p_o41836_iterations), p_o41836_persistence, seed_o41836);
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return Color(ff, ff, ff, 1)
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func perlin(uv : Vector2, size : Vector2, iterations : int, persistence : float, pseed : int) -> float:
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var seed2 : Vector2 = rand2(Vector2(float(pseed), 1.0-float(pseed)));
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var rv : float = 0.0;
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var coef : float = 1.0;
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var acc : float = 0.0;
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for i in range(iterations):
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var step : Vector2 = Vector2(1, 1) / size;
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var xy : Vector2 = floorv2(uv * size);
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var f0 : float = rand(seed2 + modv2(xy, size));
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var f1 : float = rand(seed2 + modv2(xy + Vector2(1.0, 0.0), size));
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var f2 : float = rand(seed2 + modv2(xy + Vector2(0.0, 1.0), size));
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var f3 : float = rand(seed2 + modv2(xy + Vector2(1.0, 1.0), size));
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var mixval : Vector2 = smoothstepv2(0.0, 1.0, fractv2(uv * size));
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rv += coef * lerp(lerp(f0, f1, mixval.x), lerp(f2, f3, mixval.x), mixval.y);
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acc += coef;
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size *= 2.0;
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coef *= persistence;
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return rv / acc;
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func transform(uv : Vector2, translate : Vector2, rotate : float, scale : Vector2, repeat : bool) -> Vector2:
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var rv : Vector2 = Vector2();
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uv -= translate;
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uv -= Vector2(0.5, 0.5);
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rv.x = cos(rotate)*uv.x + sin(rotate)*uv.y;
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rv.y = -sin(rotate)*uv.x + cos(rotate)*uv.y;
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rv /= scale;
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rv += Vector2(0.5, 0.5);
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if (repeat):
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return fractv2(rv);
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else:
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return clampv2(rv, Vector2(0, 0), Vector2(1, 1));
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func clampv3(v : Vector3, mi : Vector3, ma : Vector3) -> Vector3:
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v.x = clamp(v.x, mi.x, ma.x)
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v.y = clamp(v.y, mi.y, ma.y)
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v.y = clamp(v.z, mi.z, ma.z)
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return v
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func floorc(a : Color) -> Color:
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var v : Color = Color()
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v.r = floor(a.r)
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v.g = floor(a.g)
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v.b = floor(a.b)
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v.a = floor(a.a)
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return v
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func floorv2(a : Vector2) -> Vector2:
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var v : Vector2 = Vector2()
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v.x = floor(a.x)
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v.y = floor(a.y)
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return v
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func smoothstepv2(a : float, b : float, c : Vector2) -> Vector2:
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var v : Vector2 = Vector2()
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v.x = smoothstep(a, b, c.x)
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v.y = smoothstep(a, b, c.y)
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return v
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func maxv2(a : Vector2, b : Vector2) -> Vector2:
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var v : Vector2 = Vector2()
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v.x = max(a.x, b.x)
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v.y = max(a.y, b.y)
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return v
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func maxv3(a : Vector3, b : Vector3) -> Vector3:
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var v : Vector3 = Vector3()
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v.x = max(a.x, b.x)
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v.y = max(a.y, b.y)
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v.z = max(a.z, b.z)
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return v
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func absv2(v : Vector2) -> Vector2:
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v.x = abs(v.x)
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v.y = abs(v.y)
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return v
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func absv3(v : Vector3) -> Vector3:
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v.x = abs(v.x)
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v.y = abs(v.y)
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v.y = abs(v.y)
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return v
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func cosv2(v : Vector2) -> Vector2:
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v.x = cos(v.x)
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v.y = cos(v.y)
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return v
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func cosv3(v : Vector3) -> Vector3:
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v.x = cos(v.x)
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v.y = cos(v.y)
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v.y = cos(v.y)
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return v
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func modv3(a : Vector3, b : Vector3) -> Vector3:
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var v : Vector3 = Vector3()
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v.x = modf(a.x, b.x)
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v.y = modf(a.y, b.y)
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v.z = modf(a.z, b.z)
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return v
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func modv2(a : Vector2, b : Vector2) -> Vector2:
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var v : Vector2 = Vector2()
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v.x = modf(a.x, b.x)
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v.y = modf(a.y, b.y)
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return v
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func modf(x : float, y : float) -> float:
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return x - y * floor(x / y)
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func fractv2(v : Vector2) -> Vector2:
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v.x = v.x - floor(v.x)
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v.y = v.y - floor(v.y)
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return v
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func fractv3(v : Vector3) -> Vector3:
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v.x = v.x - floor(v.x)
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v.y = v.y - floor(v.y)
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v.z = v.z - floor(v.z)
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return v
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func fract(f : float) -> float:
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return f - floor(f)
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func clampv2(v : Vector2, pmin : Vector2, pmax : Vector2) -> Vector2:
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v.x = clamp(v.x, pmin.x, pmax.x)
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v.y = clamp(v.y, pmin.y, pmax.y)
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return v
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func rand(x : Vector2) -> float:
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return fract(cos(x.dot(Vector2(13.9898, 8.141))) * 43758.5453);
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func rand2(x : Vector2) -> Vector2:
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return fractv2(cosv2(Vector2(x.dot(Vector2(13.9898, 8.141)),
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x.dot(Vector2(3.4562, 17.398)))) * 43758.5453);
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func rand3(x : Vector2) -> Vector3:
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return fractv3(cosv3(Vector3(x.dot(Vector2(13.9898, 8.141)),
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x.dot(Vector2(3.4562, 17.398)),
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x.dot(Vector2(13.254, 5.867)))) * 43758.5453);
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func step(edge : float, x : float) -> float:
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if x < edge:
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return 0.0
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else:
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return 1.0
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#common -----
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#float rand(vec2 x) {
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# return fract(cos(dot(x, vec2(13.9898, 8.141))) * 43758.5453);
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#}
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#
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#vec2 rand2(vec2 x) {
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# return fract(cos(vec2(dot(x, vec2(13.9898, 8.141)),
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# dot(x, vec2(3.4562, 17.398)))) * 43758.5453);
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#}
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#
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#vec3 rand3(vec2 x) {
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# return fract(cos(vec3(dot(x, vec2(13.9898, 8.141)),
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# dot(x, vec2(3.4562, 17.398)),
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# dot(x, vec2(13.254, 5.867)))) * 43758.5453);
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#}
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#
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#vec3 rgb2hsv(vec3 c) {
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# vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
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# vec4 p = c.g < c.b ? vec4(c.bg, K.wz) : vec4(c.gb, K.xy);
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# vec4 q = c.r < p.x ? vec4(p.xyw, c.r) : vec4(c.r, p.yzx);
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#
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# float d = q.x - min(q.w, q.y);
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# float e = 1.0e-10;
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# return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
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#}
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#
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#vec3 hsv2rgb(vec3 c) {
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# vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
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# vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
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# return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
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#}
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#end common
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func reffg():
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return false
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func reff(bb):
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if bb:
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gen()
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