mirror of
https://github.com/Relintai/broken_seals.git
synced 2024-11-13 20:47:19 +01:00
365 lines
9.4 KiB
GDScript
365 lines
9.4 KiB
GDScript
extends Reference
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static 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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static 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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static 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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static 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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static 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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static 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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static 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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static 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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static 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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static 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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static 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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static 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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static func modf(x : float, y : float) -> float:
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return x - y * floor(x / y)
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static 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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static 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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static func fract(f : float) -> float:
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return f - floor(f)
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static 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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static 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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static 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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static 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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static 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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static func rgb_to_hsv(c : Vector3) -> Vector3:
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var K : Color = Color(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
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var p : Color
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if c.y < c.z:
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p = Color(c.z, c.y, K.a, K.b)
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else:
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p = Color(c.y, c.z, K.r, K.g);
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var q : Color
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if c.x < p.r:
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q = Color(p.r, p.g, p.a, c.x)
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else:
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q = Color(c.x, p.g, p.b, p.r);
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var d : float = q.r - min(q.a, q.g);
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var e : float = 1.0e-10;
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return Vector3(abs(q.b + (q.a - q.g) / (6.0 * d + e)), d / (q.r + e), q.r);
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static func hsv_to_rgb(c : Vector3) -> Vector3:
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var K : Color = Color(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
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var p : Vector3 = absv3(fractv3(Vector3(c.x, c.x, c.x) + Vector3(K.r, K.g, K.b)) * 6.0 - Vector3(K.a, K.a, K.a));
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return c.z * lerp(Vector3(K.r, K.r, K.r), clampv3(p - Vector3(K.r, K.r, K.r), Vector3(), Vector3(1, 1, 1)), c.y);
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static 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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static func color_dots(uv : Vector2, size : float, pseed : int) -> Vector3:
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var seed2 : Vector2 = rand2(Vector2(float(pseed), 1.0 - float(pseed)));
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uv /= size;
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var point_pos : Vector2 = floorv2(uv) + Vector2(0.5, 0.5);
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return rand3(seed2 + point_pos);
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static func wave_constant(x : float) -> float:
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return 1.0;
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static func wave_sine(x : float) -> float:
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return 0.5-0.5*cos(3.14159265359*2.0*x);
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static func wave_triangle(x : float) -> float:
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x = fractf(x);
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return min(2.0*x, 2.0-2.0*x);
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static func wave_sawtooth(x : float) -> float:
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return fractf(x);
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static func wave_square(x : float) -> float:
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if (fractf(x) < 0.5):
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return 0.0
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else:
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return 1.0
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static func wave_bounce(x : float) -> float:
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x = 2.0*(fractf(x)-0.5);
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return sqrt(1.0-x*x);
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static func mix_mul(x : float, y : float) -> float:
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return x*y;
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static func mix_add(x : float, y : float) -> float:
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return min(x+y, 1.0);
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static func mix_max(x : float, y : float) -> float:
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return max(x, y);
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static func mix_min(x : float, y : float) -> float:
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return min(x, y);
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static func mix_xor(x : float, y : float) -> float:
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return min(x+y, 2.0-x-y);
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static func mix_pow(x : float, y : float) -> float:
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return pow(x, y);
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static func fractf(x : float) -> float:
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return x - floor(x)
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static func invert(color : Color) -> Color:
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return Color(1.0 - color.r, 1.0 - color.g, 1.0 - color.b, color.a);
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static func ThickLine(uv : Vector2, posA : Vector2, posB : Vector2, radiusInv : float) -> float:
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var dir : Vector2 = posA - posB;
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var dirLen : float = dir.length()
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var dirN : Vector2 = dir.normalized()
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var dotTemp : float = clamp((uv - posB).dot(dirN), 0.0, dirLen);
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var proj : Vector2 = dotTemp * dirN + posB;
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var d1 : float = (uv - proj).length()
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var finalGray : float = clamp(1.0 - d1 * radiusInv, 0.0, 1.0);
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return finalGray;
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static func shape_circle(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = max(edge, 1.0e-8)
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var distance : float = uv.length()
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return clamp((1.0 - distance / size) / edge, 0.0, 1.0)
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static func shape_polygon(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = max(edge, 1.0e-8)
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#simple no branch for division by zero
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uv.x += 0.0000001
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var angle : float = atan(uv.y / uv.x) + 3.14159265359
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var slice : float = 6.28318530718 / sides
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return clamp((size - cos(floor(0.5 + angle / slice) * slice - angle) * uv.length()) / (edge * size), 0.0, 1.0)
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static func shape_star(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = max(edge, 1.0e-8);
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#simple no branch for division by zero
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uv.x += 0.0000001
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var angle : float = atan(uv.y / uv.x)
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var slice : float = 6.28318530718 / sides
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return clamp((size - cos(floor(1.5 + angle / slice - 2.0 * step(0.5 * slice, modf(angle, slice))) * slice - angle) * uv.length()) / (edge * size), 0.0, 1.0);
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static func shape_curved_star(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = max(edge, 1.0e-8);
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#simple no branch for division by zero
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uv.x += 0.0000001
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var angle : float = 2.0*(atan(uv.y / uv.x) + 3.14159265359)
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var slice : float = 6.28318530718 / sides
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return clamp((size - cos(floor(0.5 + 0.5 * angle / slice) * 2.0 * slice - angle) * uv.length())/(edge * size), 0.0, 1.0);
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static func shape_rays(uv : Vector2, sides : float, size : float, edge : float) -> float:
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uv.x = 2.0 * uv.x - 1.0
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uv.y = 2.0 * uv.y - 1.0
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edge = 0.5 * max(edge, 1.0e-8) * size
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#simple no branch for division by zero
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uv.x += 0.0000001
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var slice : float = 6.28318530718 / sides
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var angle : float = modf(atan(uv.y / uv.x) + 3.14159265359, slice) / slice
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return clamp(min((size - angle) / edge, angle / edge), 0.0, 1.0);
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static func adjust_hsv(color : Color, hue : float, saturation : float, value : float) -> Color:
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var hsv : Vector3 = rgb_to_hsv(Vector3(color.r, color.g, color.b));
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var x : float = fract(hsv.x + hue)
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var y : float = clamp(hsv.y * saturation, 0.0, 1.0)
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var z : float = clamp(hsv.z * value, 0.0, 1.0)
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var h : Vector3 = hsv_to_rgb(Vector3(x, y, z))
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return Color(h.x, h.y, h.z, color.a);
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static func brightness_contrast(color : Color, brightness : float, contrast : float) -> Color:
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var bv : Vector3 = Vector3(brightness, brightness, brightness)
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var cvv : Vector3 = Vector3(color.r * contrast, color.g * contrast, color.b * contrast)
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var cv : Vector3 = cvv + bv + Vector3(0.5, 0.5, 0.5) - (Vector3(contrast, contrast, contrast) * 0.5)
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var v : Vector3 = clampv3(cv, Vector3(), Vector3(1, 1, 1))
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return Color(v.x, v.y, v.z, 1);
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static func grayscale_min(c : Vector3) -> float:
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return min(c.x, min(c.y, c.z));
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static func grayscale_max(c : Vector3) -> float:
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return max(c.x, max(c.y, c.z));
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static func grayscale_lightness(c : Vector3) -> float:
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return 0.5*(max(c.x, max(c.y, c.z)) + min(c.x, min(c.y, c.z)));
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static func grayscale_average(c : Vector3) -> float:
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return 0.333333333333*(c.x + c.y + c.z);
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static func grayscale_luminosity(c : Vector3) -> float:
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return 0.21 * c.x + 0.72 * c.y + 0.07 * c.z;
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static func sinewave(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 noise_color(uv : Vector2, pseed : int) -> Color:
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var v : Vector3 = color_dots(((uv)), 1.0/512.000000000, pseed);
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return Color(v.x, v.y, v.z, 1)
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