mirror of
https://github.com/Relintai/broken_seals.git
synced 2024-11-13 20:47:19 +01:00
570 lines
16 KiB
GDScript
570 lines
16 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 = fbmval(v)
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# var col : Color = perlin(v)
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# var col : Color = cellular(v)
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# var col : Color = cellular2(v)
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# var col : Color = cellular3(v)
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# var col : Color = cellular4(v)
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# var col : Color = cellular5(v)
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var col : Color = cellular6(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 seed_o33355 = 26177;
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var p_o33355_scale_x = 2.000000000;
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var p_o33355_scale_y = 2.000000000;
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var p_o33355_iterations = 5.000000000;
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var p_o33355_persistence = 0.500000000;
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func fbmval(uv : Vector2) -> Color:
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var f : float = o33355_fbm(((uv)), Vector2(p_o33355_scale_x, p_o33355_scale_y), int(p_o33355_iterations), p_o33355_persistence, float(seed_o33355));
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return Color(f, f, f, 1)
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func perlin(uv : Vector2) -> Color:
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var f : float = o33355_perlin(((uv)), Vector2(p_o33355_scale_x, p_o33355_scale_y), int(p_o33355_iterations), p_o33355_persistence, float(seed_o33355));
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return Color(f, f, f, 1)
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func cellular(uv : Vector2) -> Color:
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var f : float = o33355_cellular(((uv)), Vector2(p_o33355_scale_x, p_o33355_scale_y), int(p_o33355_iterations), p_o33355_persistence, float(seed_o33355));
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return Color(f, f, f, 1)
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func cellular2(uv : Vector2) -> Color:
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var f : float = o33355_cellular2(((uv)), Vector2(p_o33355_scale_x, p_o33355_scale_y), int(p_o33355_iterations), p_o33355_persistence, float(seed_o33355));
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return Color(f, f, f, 1)
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func cellular3(uv : Vector2) -> Color:
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var f : float = o33355_cellular3(((uv)), Vector2(p_o33355_scale_x, p_o33355_scale_y), int(p_o33355_iterations), p_o33355_persistence, float(seed_o33355));
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return Color(f, f, f, 1)
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func cellular4(uv : Vector2) -> Color:
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var f : float = o33355_cellular4(((uv)), Vector2(p_o33355_scale_x, p_o33355_scale_y), int(p_o33355_iterations), p_o33355_persistence, float(seed_o33355));
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return Color(f, f, f, 1)
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func cellular5(uv : Vector2) -> Color:
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var f : float = o33355_cellular5(((uv)), Vector2(p_o33355_scale_x, p_o33355_scale_y), int(p_o33355_iterations), p_o33355_persistence, float(seed_o33355));
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return Color(f, f, f, 1)
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func cellular6(uv : Vector2) -> Color:
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var f : float = o33355_cellular6(((uv)), Vector2(p_o33355_scale_x, p_o33355_scale_y), int(p_o33355_iterations), p_o33355_persistence, float(seed_o33355));
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return Color(f, f, f, 1)
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func o33355_fbm(coord : Vector2, size : Vector2, octaves : int, persistence : float, pseed : float) -> float:
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var normalize_factor : float = 0.0;
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var value : float = 0.0;
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var scale : float = 1.0;
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for i in range(octaves):# (int i = 0; i < octaves; i++) {
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value += fbm_value(coord*size, size, pseed) * scale;
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normalize_factor += scale;
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size *= 2.0;
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scale *= persistence;
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return value / normalize_factor;
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func o33355_perlin(coord : Vector2, size : Vector2, octaves : int, persistence : float, pseed : float) -> float:
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var normalize_factor : float = 0.0;
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var value : float = 0.0;
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var scale : float = 1.0;
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for i in range(octaves):# (int i = 0; i < octaves; i++) {
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value += fbm_perlin(coord*size, size, pseed) * scale;
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normalize_factor += scale;
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size *= 2.0;
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scale *= persistence;
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return value / normalize_factor;
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func o33355_cellular(coord : Vector2, size : Vector2, octaves : int, persistence : float, pseed : float) -> float:
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var normalize_factor : float = 0.0;
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var value : float = 0.0;
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var scale : float = 1.0;
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for i in range(octaves):# (int i = 0; i < octaves; i++) {
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value += fbm_cellular(coord*size, size, pseed) * scale;
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normalize_factor += scale;
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size *= 2.0;
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scale *= persistence;
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return value / normalize_factor;
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func o33355_cellular2(coord : Vector2, size : Vector2, octaves : int, persistence : float, pseed : float) -> float:
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var normalize_factor : float = 0.0;
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var value : float = 0.0;
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var scale : float = 1.0;
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for i in range(octaves):# (int i = 0; i < octaves; i++) {
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value += fbm_cellular2(coord*size, size, pseed) * scale;
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normalize_factor += scale;
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size *= 2.0;
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scale *= persistence;
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return value / normalize_factor;
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func o33355_cellular3(coord : Vector2, size : Vector2, octaves : int, persistence : float, pseed : float) -> float:
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var normalize_factor : float = 0.0;
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var value : float = 0.0;
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var scale : float = 1.0;
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for i in range(octaves):# (int i = 0; i < octaves; i++) {
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value += fbm_cellular3(coord*size, size, pseed) * scale;
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normalize_factor += scale;
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size *= 2.0;
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scale *= persistence;
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return value / normalize_factor;
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func o33355_cellular4(coord : Vector2, size : Vector2, octaves : int, persistence : float, pseed : float) -> float:
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var normalize_factor : float = 0.0;
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var value : float = 0.0;
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var scale : float = 1.0;
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for i in range(octaves):# (int i = 0; i < octaves; i++) {
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value += fbm_cellular4(coord*size, size, pseed) * scale;
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normalize_factor += scale;
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size *= 2.0;
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scale *= persistence;
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return value / normalize_factor;
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func o33355_cellular5(coord : Vector2, size : Vector2, octaves : int, persistence : float, pseed : float) -> float:
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var normalize_factor : float = 0.0;
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var value : float = 0.0;
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var scale : float = 1.0;
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for i in range(octaves):# (int i = 0; i < octaves; i++) {
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value += fbm_cellular5(coord*size, size, pseed) * scale;
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normalize_factor += scale;
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size *= 2.0;
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scale *= persistence;
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return value / normalize_factor;
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func o33355_cellular6(coord : Vector2, size : Vector2, octaves : int, persistence : float, pseed : float) -> float:
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var normalize_factor : float = 0.0;
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var value : float = 0.0;
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var scale : float = 1.0;
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for i in range(octaves):# (int i = 0; i < octaves; i++) {
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value += fbm_cellular6(coord*size, size, pseed) * scale;
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normalize_factor += scale;
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size *= 2.0;
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scale *= persistence;
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return value / normalize_factor;
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func fbm_value(coord : Vector2, size : Vector2, pseed : float) -> float:
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var o : Vector2 = floorv2(coord) + rand2(Vector2(float(pseed), 1.0 - float(pseed))) + size;
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var f : Vector2 = fractv2(coord);
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var p00 : float = rand(modv2(o, size));
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var p01 : float = rand(modv2(o + Vector2(0.0, 1.0), size));
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var p10 : float = rand(modv2(o + Vector2(1.0, 0.0), size));
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var p11 : float = rand(modv2(o + Vector2(1.0, 1.0), size));
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var t : Vector2 = f * f * (Vector2(3, 3) - 2.0 * f);
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return lerp(lerp(p00, p10, t.x), lerp(p01, p11, t.x), t.y);
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func fbm_perlin(coord : Vector2, size : Vector2, pseed : float) -> float:
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var o : Vector2 = floorv2(coord) + rand2(Vector2(float(pseed), 1.0 - float(pseed))) + size;
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var f : Vector2 = fractv2(coord);
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var a00 : float = rand(modv2(o, size)) * 6.28318530718;
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var a01 : float = rand(modv2(o + Vector2(0.0, 1.0), size)) * 6.28318530718;
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var a10 : float = rand(modv2(o + Vector2(1.0, 0.0), size)) * 6.28318530718;
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var a11 : float = rand(modv2(o + Vector2(1.0, 1.0), size)) * 6.28318530718;
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var v00 : Vector2 = Vector2(cos(a00), sin(a00));
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var v01 : Vector2 = Vector2(cos(a01), sin(a01));
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var v10 : Vector2 = Vector2(cos(a10), sin(a10));
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var v11 : Vector2 = Vector2(cos(a11), sin(a11));
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var p00 : float = v00.dot(f);
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var p01 : float = v01.dot(f - Vector2(0.0, 1.0));
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var p10 : float = v10.dot(f - Vector2(1.0, 0.0));
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var p11 : float = v11.dot(f - Vector2(1.0, 1.0));
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var t : Vector2 = f * f * (Vector2(3, 3) - 2.0 * f);
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return 0.5 + lerp(lerp(p00, p10, t.x), lerp(p01, p11, t.x), t.y);
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func fbm_cellular(coord : Vector2, size : Vector2, pseed : float) -> float:
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var o : Vector2 = floorv2(coord) + rand2(Vector2(float(pseed), 1.0 - float(pseed))) + size;
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var f : Vector2 = fractv2(coord);
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var min_dist : float = 2.0;
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for xx in range(-1, 2): #(float x = -1.0; x <= 1.0; x++) {
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var x : float = xx
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for yy in range(-1, 2):#(float y = -1.0; y <= 1.0; y++) {
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var y : float = yy
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var node : Vector2 = rand2(modv2(o + Vector2(x, y), size)) + Vector2(x, y);
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var dist : float = sqrt((f - node).x * (f - node).x + (f - node).y * (f - node).y);
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min_dist = min(min_dist, dist);
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return min_dist;
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func fbm_cellular2(coord : Vector2, size : Vector2, pseed : float) -> float:
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var o : Vector2 = floorv2(coord) + rand2(Vector2(float(pseed), 1.0 - float(pseed))) + size;
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var f : Vector2 = fractv2(coord);
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var min_dist1 : float = 2.0;
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var min_dist2 : float = 2.0;
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for xx in range(-1, 2): #(float x = -1.0; x <= 1.0; x++) {
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var x : float = xx
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for yy in range(-1, 2):#(float y = -1.0; y <= 1.0; y++) {
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var y : float = yy
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var node : Vector2 = rand2(modv2(o + Vector2(x, y), size)) + Vector2(x, y);
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var dist : float = sqrt((f - node).x * (f - node).x + (f - node).y * (f - node).y);
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if (min_dist1 > dist):
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min_dist2 = min_dist1;
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min_dist1 = dist;
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elif (min_dist2 > dist):
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min_dist2 = dist;
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return min_dist2-min_dist1;
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func fbm_cellular3(coord : Vector2, size : Vector2, pseed : float) -> float:
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var o : Vector2 = floorv2(coord) + rand2(Vector2(float(pseed), 1.0 - float(pseed))) + size;
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var f : Vector2 = fractv2(coord);
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var min_dist : float = 2.0;
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for xx in range(-1, 2): #(float x = -1.0; x <= 1.0; x++) {
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var x : float = xx
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for yy in range(-1, 2):#(float y = -1.0; y <= 1.0; y++) {
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var y : float = yy
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var node : Vector2 = rand2(modv2(o + Vector2(x, y), size))*0.5 + Vector2(x, y);
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var dist : float = abs((f - node).x) + abs((f - node).y);
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min_dist = min(min_dist, dist);
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return min_dist;
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func fbm_cellular4(coord : Vector2, size : Vector2, pseed : float) -> float:
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var o : Vector2 = floorv2(coord) + rand2(Vector2(float(pseed), 1.0 - float(pseed))) + size;
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var f : Vector2 = fractv2(coord);
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var min_dist1 : float = 2.0;
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var min_dist2 : float = 2.0;
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for xx in range(-1, 2): #(float x = -1.0; x <= 1.0; x++) {
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var x : float = xx
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for yy in range(-1, 2):#(float y = -1.0; y <= 1.0; y++) {
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var y : float = yy
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var node : Vector2 = rand2(modv2(o + Vector2(x, y), size))*0.5 + Vector2(x, y);
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var dist : float = abs((f - node).x) + abs((f - node).y);
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if (min_dist1 > dist):
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min_dist2 = min_dist1;
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min_dist1 = dist;
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elif (min_dist2 > dist):
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min_dist2 = dist;
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return min_dist2 - min_dist1;
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func fbm_cellular5(coord : Vector2, size : Vector2, pseed : float) -> float:
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var o : Vector2 = floorv2(coord) + rand2(Vector2(float(pseed), 1.0 - float(pseed))) + size;
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var f : Vector2 = fractv2(coord);
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var min_dist : float = 2.0;
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for xx in range(-1, 2): #(float x = -1.0; x <= 1.0; x++) {
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var x : float = xx
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for yy in range(-1, 2):#(float y = -1.0; y <= 1.0; y++) {
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var y : float = yy
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var node : Vector2 = rand2(modv2(o + Vector2(x, y), size)) + Vector2(x, y);
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var dist : float = max(abs((f - node).x), abs((f - node).y));
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min_dist = min(min_dist, dist);
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return min_dist;
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func fbm_cellular6(coord : Vector2, size : Vector2, pseed : float) -> float:
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var o : Vector2 = floorv2(coord) + rand2(Vector2(float(pseed), 1.0 - float(pseed))) + size;
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var f : Vector2 = fractv2(coord);
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var min_dist1 : float = 2.0;
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var min_dist2 : float = 2.0;
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for xx in range(-1, 2): #(float x = -1.0; x <= 1.0; x++) {
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var x : float = xx
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for yy in range(-1, 2):#(float y = -1.0; y <= 1.0; y++) {
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var y : float = yy
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var node : Vector2 = rand2(modv2(o + Vector2(x, y), size)) + Vector2(x, y);
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var dist : float = max(abs((f - node).x), abs((f - node).y));
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if (min_dist1 > dist):
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min_dist2 = min_dist1;
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min_dist1 = dist;
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elif (min_dist2 > dist):
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min_dist2 = dist;
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return min_dist2 - min_dist1;
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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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|
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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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|
|
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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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|
|
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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:
|
|
var v : Vector2 = Vector2()
|
|
|
|
v.x = modf(a.x, b.x)
|
|
v.y = modf(a.y, b.y)
|
|
|
|
return v
|
|
|
|
func modf(x : float, y : float) -> float:
|
|
return x - y * floor(x / y)
|
|
|
|
func fractv2(v : Vector2) -> Vector2:
|
|
v.x = v.x - floor(v.x)
|
|
v.y = v.y - floor(v.y)
|
|
|
|
return v
|
|
|
|
func fractv3(v : Vector3) -> Vector3:
|
|
v.x = v.x - floor(v.x)
|
|
v.y = v.y - floor(v.y)
|
|
v.z = v.z - floor(v.z)
|
|
|
|
return v
|
|
|
|
func fract(f : float) -> float:
|
|
return f - floor(f)
|
|
|
|
func clampv2(v : Vector2, pmin : Vector2, pmax : Vector2) -> Vector2:
|
|
v.x = clamp(v.x, pmin.x, pmax.x)
|
|
v.y = clamp(v.y, pmin.y, pmax.y)
|
|
|
|
return v
|
|
|
|
func rand(x : Vector2) -> float:
|
|
return fract(cos(x.dot(Vector2(13.9898, 8.141))) * 43758.5453);
|
|
|
|
func rand2(x : Vector2) -> Vector2:
|
|
return fractv2(cosv2(Vector2(x.dot(Vector2(13.9898, 8.141)),
|
|
x.dot(Vector2(3.4562, 17.398)))) * 43758.5453);
|
|
|
|
func rand3(x : Vector2) -> Vector3:
|
|
return fractv3(cosv3(Vector3(x.dot(Vector2(13.9898, 8.141)),
|
|
x.dot(Vector2(3.4562, 17.398)),
|
|
x.dot(Vector2(13.254, 5.867)))) * 43758.5453);
|
|
|
|
func step(edge : float, x : float) -> float:
|
|
if x < edge:
|
|
return 0.0
|
|
else:
|
|
return 1.0
|
|
|
|
|
|
#common -----
|
|
|
|
#float rand(vec2 x) {
|
|
# return fract(cos(dot(x, vec2(13.9898, 8.141))) * 43758.5453);
|
|
#}
|
|
#
|
|
#vec2 rand2(vec2 x) {
|
|
# return fract(cos(vec2(dot(x, vec2(13.9898, 8.141)),
|
|
# dot(x, vec2(3.4562, 17.398)))) * 43758.5453);
|
|
#}
|
|
#
|
|
#vec3 rand3(vec2 x) {
|
|
# return fract(cos(vec3(dot(x, vec2(13.9898, 8.141)),
|
|
# dot(x, vec2(3.4562, 17.398)),
|
|
# dot(x, vec2(13.254, 5.867)))) * 43758.5453);
|
|
#}
|
|
#
|
|
#vec3 rgb2hsv(vec3 c) {
|
|
# vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
|
|
# vec4 p = c.g < c.b ? vec4(c.bg, K.wz) : vec4(c.gb, K.xy);
|
|
# vec4 q = c.r < p.x ? vec4(p.xyw, c.r) : vec4(c.r, p.yzx);
|
|
#
|
|
# float d = q.x - min(q.w, q.y);
|
|
# float e = 1.0e-10;
|
|
# return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
|
|
#}
|
|
#
|
|
#vec3 hsv2rgb(vec3 c) {
|
|
# vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
|
|
# vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
|
|
# return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
|
|
#}
|
|
|
|
|
|
#end common
|
|
|
|
|
|
func reffg():
|
|
return false
|
|
|
|
func reff(bb):
|
|
if bb:
|
|
gen()
|
|
|