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Copy patheased-transitions-rgb24-script.txt
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1502 lines (1379 loc) · 42.4 KB
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# FFmpeg custom expressions, made with xfade-easing.sh v. 3.6.6
# by Raymond Luckhurst, https://scriptit.uk, https://github.com/scriptituk/xfade-easing
# Eased transition expressions (rgb24), script for -/filter_complex filterchains
CIRCLECLOSE
st(1, hypot(W / 2, H / 2));
st(2, (0.5 - ld(0)) * 3);
st(1, hypot(X - W / 2, Y - H / 2) / ld(1) + ld(2));
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
CIRCLEOPEN
st(1, hypot(W / 2, H / 2));
st(2, (ld(0) - 0.5) * 3);
st(1, hypot(X - W / 2, Y - H / 2) / ld(1) + ld(2));
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
A * ld(1) + B * (1 - ld(1))
CIRCLECROP
st(1, (2 * abs(ld(0) - 0.5))^3 * hypot(W / 2, H / 2));
st(2, hypot(X - W / 2, Y - H / 2));
if(lt(ld(1), ld(2)),
ifnot(3-PLANE, 255),
if(lt(ld(0), 0.5), B, A)
)
RECTCROP
st(1, abs(ld(0) - 0.5));
if(lt(abs(X - W / 2), ld(1) * W) * lt(abs(Y - H / 2), ld(1) * H),
if(lt(ld(0), 0.5), B, A),
ifnot(3-PLANE, 255)
)
COVERLEFT
st(1, trunc(-W * ld(0)));
st(2, ld(1) + X);
st(3, (ld(2) - trunc(ld(2) / W) * W) + W * between(ld(2), 1 - W, -1));
if(between(ld(2), 0, W - 1),
ifnot(PLANE, b0(ld(3),Y), ifnot(1-PLANE, b1(ld(3),Y), ifnot(2-PLANE, b2(ld(3),Y), b3(ld(3),Y)))),
A
)
COVERRIGHT
st(1, trunc(W * ld(0)));
st(2, ld(1) + X);
st(3, (ld(2) - trunc(ld(2) / W) * W));
if(between(ld(2), 0, W - 1),
ifnot(PLANE, b0(ld(3),Y), ifnot(1-PLANE, b1(ld(3),Y), ifnot(2-PLANE, b2(ld(3),Y), b3(ld(3),Y)))),
A
)
COVERDOWN
st(1, trunc(H * ld(0)));
st(2, ld(1) + Y);
st(3, (ld(2) - trunc(ld(2) / H) * H));
if(between(ld(2), 0, H - 1),
ifnot(PLANE, b0(X,ld(3)), ifnot(1-PLANE, b1(X,ld(3)), ifnot(2-PLANE, b2(X,ld(3)), b3(X,ld(3))))),
A
)
COVERUP
st(1, trunc(-H * ld(0)));
st(2, ld(1) + Y);
st(3, (ld(2) - trunc(ld(2) / H) * H) + H * between(ld(2), 1 - H, -1));
if(between(ld(2), 0, H - 1),
ifnot(PLANE, b0(X,ld(3)), ifnot(1-PLANE, b1(X,ld(3)), ifnot(2-PLANE, b2(X,ld(3)), b3(X,ld(3))))),
A
)
DIAGBL
st(1, 1 + X / W * (H - 1 - Y) / H - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
DIAGBR
st(1, 1 + (W - 1 - X) / W * (H - 1 - Y) / H - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
DIAGTL
st(1, 1 + X / W * Y / H - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
DIAGTR
st(1, 1 + (W - 1 - X) / W * Y / H - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
FADE
A * ld(0) + B * (1 - ld(0))
FADEFAST
st(1, pow(ld(0), 1 + log(1 + abs(A - B) / 255)));
A * ld(1) + B * (1 - ld(1))
FADESLOW
st(1, pow(ld(0), 1 + log(2 - abs(A - B) / 255)));
A * ld(1) + B * (1 - ld(1))
DISSOLVE
st(1, (mod(sin(X * 12.9898 + Y * 78.233) * 43758.545, 1) + ld(0)) * 2 - 1.5);
if(gte(ld(1), 0.5), A, B)
FADEBLACK
st(1, ifnot(3-PLANE, 255));
st(2, st(2, clip((ld(0) - 0.8) / 0.2, 0, 1)) * ld(2) * (3 - 2 * ld(2)));
st(2, A * ld(2) + ld(1) * (1 - ld(2)));
st(3, st(3, clip((ld(0) - 0.2) / 0.8, 0, 1)) * ld(3) * (3 - 2 * ld(3)));
st(3, ld(1) * ld(3) + B * (1 - ld(3)));
ld(2) * ld(0) + ld(3) * (1 - ld(0))
FADEWHITE
st(1, 255);
st(2, st(2, clip((ld(0) - 0.8) / 0.2, 0, 1)) * ld(2) * (3 - 2 * ld(2)));
st(2, A * ld(2) + ld(1) * (1 - ld(2)));
st(3, st(3, clip((ld(0) - 0.2) / 0.8, 0, 1)) * ld(3) * (3 - 2 * ld(3)));
st(3, ld(1) * ld(3) + B * (1 - ld(3)));
ld(2) * ld(0) + ld(3) * (1 - ld(0))
FADEGRAYS
st(1, if(3-PLANE, (a0(X,Y) + a1(X,Y) + a2(X,Y)) / 3, A));
st(2, if(3-PLANE, (b0(X,Y) + b1(X,Y) + b2(X,Y)) / 3, B));
st(3, st(3, clip((ld(0) - 0.8) / 0.2, 0, 1)) * ld(3) * (3 - 2 * ld(3)));
st(1, A * ld(3) + ld(1) * (1 - ld(3)));
st(3, st(3, clip((ld(0) - 0.2) / 0.8, 0, 1)) * ld(3) * (3 - 2 * ld(3)));
st(2, ld(2) * ld(3) + B * (1 - ld(3)));
ld(1) * ld(0) + ld(2) * (1 - ld(0))
PIXELIZE
st(1, min(ld(0), 1 - ld(0)));
st(1, ceil(ld(1) * 50) / 50);
st(2, 2 * ld(1) * min(W, H) / 20);
st(3, ld(2));
st(2, if(gt(ld(1), 0), min((floor(X / ld(2)) + 0.5) * ld(2), W - 1), X));
st(3, if(gt(ld(1), 0), min((floor(Y / ld(3)) + 0.5) * ld(3), H - 1), Y));
st(1, ifnot(PLANE, a0(ld(2),ld(3)), ifnot(1-PLANE, a1(ld(2),ld(3)), ifnot(2-PLANE, a2(ld(2),ld(3)), a3(ld(2),ld(3))))));
st(2, ifnot(PLANE, b0(ld(2),ld(3)), ifnot(1-PLANE, b1(ld(2),ld(3)), ifnot(2-PLANE, b2(ld(2),ld(3)), b3(ld(2),ld(3))))));
ld(1) * ld(0) + ld(2) * (1 - ld(0))
HLSLICE
st(1, X / W);
st(2, ld(1) - ld(0) * 1.5);
st(2, st(2, clip((ld(2) + 0.5) / 0.5, 0, 1)) * ld(2) * (3 - 2 * ld(2)));
st(1, mod(10 * ld(1), 1));
if(gt(ld(2), ld(1)), B, A)
HRSLICE
st(1, (W - 1 - X) / W);
st(2, ld(1) - ld(0) * 1.5);
st(2, st(2, clip((ld(2) + 0.5) / 0.5, 0, 1)) * ld(2) * (3 - 2 * ld(2)));
st(1, mod(10 * ld(1), 1));
if(gt(ld(2), ld(1)), B, A)
VDSLICE
st(1, (H - 1 - Y) / H);
st(2, ld(1) - ld(0) * 1.5);
st(2, st(2, clip((ld(2) + 0.5) / 0.5, 0, 1)) * ld(2) * (3 - 2 * ld(2)));
st(1, mod(10 * ld(1), 1));
if(gt(ld(2), ld(1)), B, A)
VUSLICE
st(1, Y / H);
st(2, ld(1) - ld(0) * 1.5);
st(2, st(2, clip((ld(2) + 0.5) / 0.5, 0, 1)) * ld(2) * (3 - 2 * ld(2)));
st(1, mod(10 * ld(1), 1));
if(gt(ld(2), ld(1)), B, A)
HLWIND
st(1, 1 - X / W);
st(2, mod(sin(Y * 78.233) * 43758.545, 1));
st(1, ld(1) * 0.8 + ld(2) * 0.2 - (1 - ld(0)) * 1.2);
st(1, st(1, clip(ld(1) / -0.2, 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
HRWIND
st(1, X / W);
st(2, mod(sin(Y * 78.233) * 43758.545, 1));
st(1, ld(1) * 0.8 + ld(2) * 0.2 - (1 - ld(0)) * 1.2);
st(1, st(1, clip(ld(1) / -0.2, 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
VDWIND
st(1, Y / H);
st(2, mod(sin(X * 12.9898) * 43758.545, 1));
st(1, ld(1) * 0.8 + ld(2) * 0.2 - (1 - ld(0)) * 1.2);
st(1, st(1, clip(ld(1) / -0.2, 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
VUWIND
st(1, 1 - Y / H);
st(2, mod(sin(X * 12.9898) * 43758.545, 1));
st(1, ld(1) * 0.8 + ld(2) * 0.2 - (1 - ld(0)) * 1.2);
st(1, st(1, clip(ld(1) / -0.2, 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
HORZCLOSE
st(1, 1 + abs(2 * Y / H - 1) - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
HORZOPEN
st(1, 2 - abs(2 * Y / H - 1) - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
VERTCLOSE
st(1, 1 + abs(2 * X / W - 1) - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
VERTOPEN
st(1, 2 - abs(2 * X / W - 1) - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
REVEALLEFT
st(1, trunc(-W * ld(0)));
st(2, ld(1) + X);
st(3, (ld(2) - trunc(ld(2) / W) * W) + W * between(ld(2), 1 - W, -1));
if(between(ld(2), 0, W - 1),
B,
ifnot(PLANE, a0(ld(3),Y), ifnot(1-PLANE, a1(ld(3),Y), ifnot(2-PLANE, a2(ld(3),Y), a3(ld(3),Y))))
)
REVEALRIGHT
st(1, trunc(W * ld(0)));
st(2, ld(1) + X);
st(3, (ld(2) - trunc(ld(2) / W) * W));
if(between(ld(2), 0, W - 1),
B,
ifnot(PLANE, a0(ld(3),Y), ifnot(1-PLANE, a1(ld(3),Y), ifnot(2-PLANE, a2(ld(3),Y), a3(ld(3),Y))))
)
REVEALDOWN
st(1, trunc(H * ld(0)));
st(2, ld(1) + Y);
st(3, (ld(2) - trunc(ld(2) / H) * H));
if(between(ld(2), 0, H - 1),
B,
ifnot(PLANE, a0(X,ld(3)), ifnot(1-PLANE, a1(X,ld(3)), ifnot(2-PLANE, a2(X,ld(3)), a3(X,ld(3)))))
)
REVEALUP
st(1, trunc(-H * ld(0)));
st(2, ld(1) + Y);
st(3, (ld(2) - trunc(ld(2) / H) * H) + H * between(ld(2), 1 - H, -1));
if(between(ld(2), 0, H - 1),
B,
ifnot(PLANE, a0(X,ld(3)), ifnot(1-PLANE, a1(X,ld(3)), ifnot(2-PLANE, a2(X,ld(3)), a3(X,ld(3)))))
)
SLIDELEFT
st(1, trunc(-W * ld(0)));
st(2, ld(1) + X);
st(3, (ld(2) - trunc(ld(2) / W) * W) + W * between(ld(2), 1 - W, -1));
if(between(ld(2), 0, W - 1),
ifnot(PLANE, b0(ld(3),Y), ifnot(1-PLANE, b1(ld(3),Y), ifnot(2-PLANE, b2(ld(3),Y), b3(ld(3),Y)))),
ifnot(PLANE, a0(ld(3),Y), ifnot(1-PLANE, a1(ld(3),Y), ifnot(2-PLANE, a2(ld(3),Y), a3(ld(3),Y))))
)
SLIDERIGHT
st(1, trunc(W * ld(0)));
st(2, ld(1) + X);
st(3, (ld(2) - trunc(ld(2) / W) * W));
if(between(ld(2), 0, W - 1),
ifnot(PLANE, b0(ld(3),Y), ifnot(1-PLANE, b1(ld(3),Y), ifnot(2-PLANE, b2(ld(3),Y), b3(ld(3),Y)))),
ifnot(PLANE, a0(ld(3),Y), ifnot(1-PLANE, a1(ld(3),Y), ifnot(2-PLANE, a2(ld(3),Y), a3(ld(3),Y))))
)
SLIDEDOWN
st(1, trunc(H * ld(0)));
st(2, ld(1) + Y);
st(3, (ld(2) - trunc(ld(2) / H) * H));
if(between(ld(2), 0, H - 1),
ifnot(PLANE, b0(X,ld(3)), ifnot(1-PLANE, b1(X,ld(3)), ifnot(2-PLANE, b2(X,ld(3)), b3(X,ld(3))))),
ifnot(PLANE, a0(X,ld(3)), ifnot(1-PLANE, a1(X,ld(3)), ifnot(2-PLANE, a2(X,ld(3)), a3(X,ld(3)))))
)
SLIDEUP
st(1, trunc(-H * ld(0)));
st(2, ld(1) + Y);
st(3, (ld(2) - trunc(ld(2) / H) * H) + H * between(ld(2), 1 - H, -1));
if(between(ld(2), 0, H - 1),
ifnot(PLANE, b0(X,ld(3)), ifnot(1-PLANE, b1(X,ld(3)), ifnot(2-PLANE, b2(X,ld(3)), b3(X,ld(3))))),
ifnot(PLANE, a0(X,ld(3)), ifnot(1-PLANE, a1(X,ld(3)), ifnot(2-PLANE, a2(X,ld(3)), a3(X,ld(3)))))
)
SMOOTHLEFT
st(1, 1 + X / W - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
SMOOTHRIGHT
st(1, 1 + (W - 1 - X) / W - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
SMOOTHDOWN
st(1, 1 + (H - 1 - Y) / H - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
SMOOTHUP
st(1, 1 + Y / H - ld(0) * 2);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
SQUEEZEH
st(1, 0.5 + (Y / H - 0.5) / ld(0));
if(ld(0) * between(ld(1), 0, 1),
st(1, ld(1) * H);
ifnot(PLANE, a0(X,ld(1)), ifnot(1-PLANE, a1(X,ld(1)), ifnot(2-PLANE, a2(X,ld(1)), a3(X,ld(1))))),
B
)
SQUEEZEV
st(1, 0.5 + (X / W - 0.5) / ld(0));
if(ld(0) * between(ld(1), 0, 1),
st(1, ld(1) * W);
ifnot(PLANE, a0(ld(1),Y), ifnot(1-PLANE, a1(ld(1),Y), ifnot(2-PLANE, a2(ld(1),Y), a3(ld(1),Y)))),
B
)
RADIAL
st(1, atan2(X - W / 2, Y - H / 2) - (ld(0) - 0.5) * PI * 2.5);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
B * ld(1) + A * (1 - ld(1))
ZOOMIN
st(1, st(1, clip((ld(0) - 0.5) / 0.5, 0, 1)) * ld(1) * (3 - 2 * ld(1)));
st(2, 0.5 + (X / W - 0.5) * ld(1));
st(3, 0.5 + (Y / H - 0.5) * ld(1));
st(2, ceil(ld(2) * (W - 1)));
st(3, ceil(ld(3) * (H - 1)));
st(1, ifnot(PLANE, a0(ld(2),ld(3)), ifnot(1-PLANE, a1(ld(2),ld(3)), ifnot(2-PLANE, a2(ld(2),ld(3)), a3(ld(2),ld(3))))));
st(2, st(2, clip(ld(0) / 0.5, 0, 1)) * ld(2) * (3 - 2 * ld(2)));
ld(1) * ld(2) + B * (1 - ld(2))
WIPEBL
if(gt(Y, H * (1 - ld(0))) * lte(X, W * ld(0)), A, B)
WIPEBR
if(gt(Y, H * (1 - ld(0))) * gt(X, W * (1 - ld(0))), A, B)
WIPETL
if(lte(Y, H * ld(0)) * lte(X, W * ld(0)), A, B)
WIPETR
if(lte(Y, H * ld(0)) * gt(X, W * (1 - ld(0))), A, B)
WIPELEFT
if(gt(X, W * ld(0)), B, A)
WIPERIGHT
if(gt(X, W * (1 - ld(0))), A, B)
WIPEDOWN
if(gt(Y, H * (1 - ld(0))), A, B)
WIPEUP
if(gt(Y, H * ld(0)), B, A)
DISTANCE
NATIVE
HBLUR
NATIVE
GL_ANGULAR
st(1, 90);
st(2, 0);
st(1, ld(1) * PI / 180);
st(1, atan2(0.5 - Y / H, X / W - 0.5) + ld(1));
st(1, ld(1) / 2 / PI + 0.5);
if(ld(2), st(1, -ld(1)));
if(gte(1 - ld(0), mod(ld(1), 1)), B, A)
GL_BARS
st(1, 0);
st(1, if(ld(1), X / W, 1 - Y / H));
st(1, mod(sin(ld(1) * 12.9898) * 43758.545, 1));
if(gte(1 - ld(0), ld(1)), B, A)
GL_BLEND
NATIVE
GL_BOOKFLIP
st(1, X / W - 0.5);
st(2, 0.5 - Y / H);
st(3, gte(X / W, ld(0)));
st(4,
if(3-PLANE,
max(0.7, abs(ld(0) - 0.5) * 2),
1
)
);
if(lt(ld(1), 0),
ifnot(ld(3),
A,
st(5, ld(1) / (1 - 2 * ld(0)) + 0.5);
st(6, ld(2) / (1 - 4 * ld(0) * ld(1)) + 0.5);
st(5, ld(5) * W);
st(6, (1 - ld(6)) * H);
st(3, ifnot(PLANE, b0(ld(5),ld(6)), ifnot(1-PLANE, b1(ld(5),ld(6)), ifnot(2-PLANE, b2(ld(5),ld(6)), b3(ld(5),ld(6))))));
ld(3) * ld(4)
),
if(ld(3),
B,
st(5, (ld(1) - 0.5 + ld(0)) / (2 * ld(0) - 1));
st(6, ld(2) / (1 + 4 * (1 - ld(0)) * ld(1)) + 0.5);
st(5, ld(5) * W);
st(6, (1 - ld(6)) * H);
st(3, ifnot(PLANE, a0(ld(5),ld(6)), ifnot(1-PLANE, a1(ld(5),ld(6)), ifnot(2-PLANE, a2(ld(5),ld(6)), a3(ld(5),ld(6))))));
ld(3) * ld(4)
)
)
GL_BOUNCE
st(1, 3);
st(2, 0);
st(3, 0.6);
st(4, 0.075);
st(5, 0);
st(6, 1 - ld(0));
st(1, ld(6) * PI * ld(1));
st(1, abs(cos(ld(1))) * (1 - sin(ld(6) * PI / 2)));
if(gt(ld(2), 1), st(1, 1 - ld(1)));
st(7, X / W);
st(8, 1 - Y / H);
st(2, 8 - mod(ld(2), 2));
st(1, ld(ld(2)) - ld(1));
if(gt(ld(1), 0),
if(gt(ld(1), ld(4)),
B,
st(6, st(6, clip((ld(6) - 0.95) / 0.05, 0, 1)) * ld(6) * (3 - 2 * ld(6)));
st(4, (ld(1) / ld(4) - 1) * ld(3) + 1);
st(4, ld(4) * (1 - ld(6)) + ld(6));
st(3, if(3-PLANE, max(ld(5), 0), gte(ld(5), 0)) * 255);
ld(3) * (1 - ld(4)) + B * ld(4)
),
st(ld(2), 1 + ld(1));
st(7, ld(7) * W);
st(8, (1 - ld(8)) * H);
ifnot(PLANE, a0(ld(7),ld(8)), ifnot(1-PLANE, a1(ld(7),ld(8)), ifnot(2-PLANE, a2(ld(7),ld(8)), a3(ld(7),ld(8)))))
)
GL_BOWTIE
NATIVE
GL_BUTTERFLYWAVESCRAWLER
NATIVE
GL_CANNABISLEAF
ifnot(ld(0)-1, A,
st(1, 10 * pow(1 - ld(0), 3.5));
st(2, (X / W - 0.5) / ld(1));
st(3, (0.5 - Y / H) / ld(1) + 0.35);
st(1, atan2(ld(3), ld(2)));
st(1, (1 + sin(ld(1))) * (1 + 0.9 * cos(8 * ld(1))) *
(1 + 0.1 * cos(24 * ld(1))) * (0.9 + 0.05 * cos(200 * ld(1))));
if(gte(hypot(ld(2), ld(3)), 0.18 * ld(1)), A, B)
)
GL_CHESSBOARD
st(1, 8);
st(2, X / W * ld(1));
st(3, (1 - Y / H) * ld(1));
st(4, floor(ld(2)));
st(5, floor(ld(3)));
st(2, ld(2) - ld(4));
st(3, bitand(ld(4) + ld(5), 1));
st(1, 1 - ld(0));
if(
if(lt(ld(1), 0.5),
if(ld(3), gte(ld(1) * 2, ld(2))),
if(ld(3), 1, gte(ld(1) * 2 - 1, ld(2)))
),
B, A
)
GL_CORNERVANISH
st(2, 1 - st(1, ld(0) / 2));
if(between(X / W, ld(1), ld(2)) + between(1 - Y / H, ld(1), ld(2)), B, A)
GL_CRAZYPARAMETRICFUN
st(1, 4);
st(2, 1);
st(3, 120);
st(4, 0.1);
st(5, 1 - ld(0));
st(6, ld(1) - ld(2));
st(7, ld(1) / ld(2) - 1);
st(1, ld(6) * cos(ld(5)) + ld(2) * cos(ld(5) * ld(7)));
st(2, ld(6) * sin(ld(5)) - ld(2) * sin(ld(5) * ld(7)));
st(6, X / W - 0.5);
st(7, 0.5 - Y / H);
st(8, ld(5) * hypot(ld(6), ld(7)) * ld(3));
st(1, ld(6) * sin(ld(8) * ld(1)) / ld(4));
st(2, ld(7) * sin(ld(8) * ld(2)) / ld(4));
st(1, X + ld(1) * W);
st(2, Y - ld(2) * H);
st(1, ifnot(PLANE, a0(ld(1),ld(2)), ifnot(1-PLANE, a1(ld(1),ld(2)), ifnot(2-PLANE, a2(ld(1),ld(2)), a3(ld(1),ld(2))))));
st(2, st(2, clip((ld(5) - 0.2) / 0.8, 0, 1)) * ld(2) * (3 - 2 * ld(2)));
ld(1) * (1 - ld(2)) + B * ld(2)
GL_CROSSHATCH
st(1, 0.5);
st(2, 0.5);
st(3, 3);
st(4, 0.1);
st(5, 1 - ld(0));
st(6, hypot(X / W - ld(1), 1 - Y / H - ld(2)) / ld(3));
st(1, mod(sin((1 - Y / H) * 12.9898) * 43758.545, 1));
st(2, mod(sin(X / W * 78.233) * 43758.545, 1));
st(3, ld(5) - min(ld(1), ld(2)));
st(2, st(2, clip(ld(5) / ld(4), 0, 1)) * ld(2) * (3 - 2 * ld(2)));
st(4, 1 - ld(4));
st(1, st(1, clip((ld(5) - ld(4)) / (1 - ld(4)), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
st(4, gte(ld(3), ld(6)));
st(3, (ld(4) * (1 - ld(1)) + ld(1)) * ld(2));
A * (1 - ld(3)) + B * ld(3)
GL_CROSSOUT
st(1, 0.05);
st(2, (1 - ld(0)) / 2);
st(3, X / W - 0.5);
st(4, 0.5 - Y / H);
st(5, ld(3) + ld(4));
st(6, ld(4) - ld(3));
if(between(ld(5), -ld(2), ld(2)) + between(ld(6), -ld(2), ld(2)),
B,
st(7, ld(2) + ld(1));
ifnot(between(ld(5), -ld(7), ld(7)) + between(ld(6), -ld(7), ld(7)),
A,
st(7, abs(if(gte(ld(3), 0) - gte(ld(4), 0), ld(5), ld(6))));
st(7, (ld(7) - ld(2)) / ld(1));
B * (1 - ld(7)) + A * ld(7)
)
)
GL_CROSSWARP
st(1, (1 - ld(0)) * 2 + X / W - 1);
st(1, st(1, clip(ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
st(2, X / W - 0.5);
st(3, 0.5 - Y / H);
st(4, (ld(2) * (1 - ld(1)) + 0.5) * W);
st(5, (0.5 - ld(3) * (1 - ld(1))) * H);
st(6, ifnot(PLANE, a0(ld(4),ld(5)), ifnot(1-PLANE, a1(ld(4),ld(5)), ifnot(2-PLANE, a2(ld(4),ld(5)), a3(ld(4),ld(5))))));
st(4, (ld(2) * ld(1) + 0.5) * W);
st(5, (0.5 - ld(3) * ld(1)) * H);
st(7, ifnot(PLANE, b0(ld(4),ld(5)), ifnot(1-PLANE, b1(ld(4),ld(5)), ifnot(2-PLANE, b2(ld(4),ld(5)), b3(ld(4),ld(5))))));
ld(6) * (1 - ld(1)) + ld(7) * ld(1)
GL_CROSSZOOM
NATIVE
GL_CUBE
st(1, 0.7);
st(2, 0.3);
st(3, 0.4);
st(4, 3);
st(0, 1 - ld(0));
st(2, ld(2) * 2 * (0.5 - abs(0.5 - ld(0))));
st(7, X / W * (1 + ld(2)) - ld(2) / 2);
st(8, (1 - Y / H) * (1 + ld(2)) - ld(2) / 2);
st(2, ld(0) * (1 - ld(1)));
st(5, (ld(7) - ld(0)) / (1 - ld(0)));
st(6, (ld(8) - ld(2) * ld(5) / 2) / (1 - ld(2) * ld(5)));
st(2, 1 - ld(1) - ld(0) * ld(2));
st(1, ld(7) / ld(0));
st(2, (ld(8) - ld(2) * (1 - ld(1)) / 2) / (1 - ld(2) * (1 - ld(1))));
ifnot(st(0, -between(ld(5), 0, 1) * between(ld(6), 0, 1)),
ifnot(st(0, between(ld(1), 0, 1) * between(ld(2), 0, 1)),
st(2, ld(2) * -1.2 - ld(4) / 100);
ifnot(st(0, 2 * between(ld(1), 0, 1) * between(ld(2), 0, 1)),
st(6, ld(6) * -1.2 - ld(4) / 100);
st(0, -2 * between(ld(5), 0, 1) * between(ld(6), 0, 1))
)
)
);
st(4, 0);
st(4, if(3-PLANE, max(ld(4), 0), gte(ld(4), 0)) * 255);
if(ld(0),
if(lt(ld(0), 0), st(1, ld(5)); st(2, ld(6)));
st(5, ld(1) * W);
st(6, (1 - ld(2)) * H);
st(1, if(lt(ld(0), 0),
ifnot(PLANE, a0(ld(5),ld(6)), ifnot(1-PLANE, a1(ld(5),ld(6)), ifnot(2-PLANE, a2(ld(5),ld(6)), a3(ld(5),ld(6))))),
ifnot(PLANE, b0(ld(5),ld(6)), ifnot(1-PLANE, b1(ld(5),ld(6)), ifnot(2-PLANE, b2(ld(5),ld(6)), b3(ld(5),ld(6)))))
));
ifnot(2-abs(ld(0)),
st(3, ld(3) * (1 - ld(2)));
ld(4) * (1 - ld(3)) + ld(1) * ld(3),
ld(1)
),
ld(4)
)
GL_DIAMOND
st(1, 0.05);
st(2, 1 - ld(0));
st(3, abs(X / W - 0.5) + abs(0.5 - Y / H));
if(lt(ld(3), ld(2)),
B,
if(gt(ld(3), ld(2) + ld(1)),
A,
st(1, (ld(3) - ld(2)) / ld(1));
B * (1 - ld(1)) + A * ld(1)
)
)
GL_DIRECTIONALSCALED
st(1, 0);
st(2, 1);
st(3, 0.7);
st(4, 0);
st(5, 1 - ld(0));
st(3, 1 - (1 - 1 /ld(3)) * sin(ld(5) * PI));
st(5, pow(sin(ld(5) * PI / 2), 3));
st(1, X / W + ld(5) * sgn(ld(1)));
st(2, 1 - Y / H + ld(5) * sgn(ld(2)));
st(5, (mod(ld(1), 1) - 0.5) * ld(3) + 0.5);
st(6, (mod(ld(2), 1) - 0.5) * ld(3) + 0.5);
if(between(ld(5), 0, 1) * between(ld(6), 0, 1),
st(5, ld(5) * W);
st(6, (1 - ld(6)) * H);
if(between(ld(1), 0, 1) * between(ld(2), 0, 1),
ifnot(PLANE, a0(ld(5),ld(6)), ifnot(1-PLANE, a1(ld(5),ld(6)), ifnot(2-PLANE, a2(ld(5),ld(6)), a3(ld(5),ld(6))))),
ifnot(PLANE, b0(ld(5),ld(6)), ifnot(1-PLANE, b1(ld(5),ld(6)), ifnot(2-PLANE, b2(ld(5),ld(6)), b3(ld(5),ld(6)))))
),
if(3-PLANE, max(ld(4), 0), gte(ld(4), 0)) * 255
)
GL_DIRECTIONALWARP
st(1, 0.1);
st(2, -1);
st(3, 1);
st(4, hypot(ld(2), ld(3)));
st(2, ld(2) / ld(4));
st(3, ld(3) / ld(4));
st(4, abs(ld(2)) + abs(ld(3)));
st(2, ld(2) / ld(4));
st(3, ld(3) / ld(4));
st(4, (ld(2) + ld(3)) / 2);
st(4, ld(2) * X / W + ld(3) * (1 - Y / H) - (ld(4) - 0.5 + (1 - ld(0)) * (1 + ld(1))));
st(1, 1 - st(1, clip((ld(4) + ld(1)) / ld(1), 0, 1)) * ld(1) * (3 - 2 * ld(1)));
st(2, X / W - 0.5);
st(3, 0.5 - Y / H);
st(4, (ld(2) * (1 - ld(1)) + 0.5) * W);
st(5, (0.5 - ld(3) * (1 - ld(1))) * H);
st(6, ifnot(PLANE, a0(ld(4),ld(5)), ifnot(1-PLANE, a1(ld(4),ld(5)), ifnot(2-PLANE, a2(ld(4),ld(5)), a3(ld(4),ld(5))))));
st(4, (ld(2) * ld(1) + 0.5) * W);
st(5, (0.5 - ld(3) * ld(1)) * H);
st(7, ifnot(PLANE, b0(ld(4),ld(5)), ifnot(1-PLANE, b1(ld(4),ld(5)), ifnot(2-PLANE, b2(ld(4),ld(5)), b3(ld(4),ld(5))))));
ld(6) * (1 - ld(1)) + ld(7) * ld(1)
GL_DOORWAY
st(1, 0.4);
st(2, 0.4);
st(3, 3);
st(4, 0);
st(0, 1 - ld(0));
st(5, X / W);
st(6, 1 - Y / H);
st(7, 0);
st(8, 2 * abs(ld(5) - 0.5) - ld(0));
if(gt(ld(8), 0),
st(8, 1 / (1 + ld(2) * ld(0) * (1 - ld(8))));
st(5, ld(5) + (1 - gt(ld(5), 0.5) * 2) * ld(0) / 2);
st(6, (ld(6) + (1 - ld(8)) / 2) * ld(8));
st(7, between(ld(5), 0, 1) * between(ld(6), 0, 1)),
st(8, ld(3) * (1 - ld(0)) + ld(0));
st(5, (ld(5) - 0.5) * ld(8) + 0.5);
st(6, (ld(6) - 0.5) * ld(8) + 0.5);
st(7, 2 * between(ld(5), 0, 1) * between(ld(6), 0, 1));
ifnot(ld(7),
st(6, ld(6) * -1.2 - 0.02);
st(7, 3 * between(ld(5), 0, 1) * between(ld(6), 0, 1))
)
);
st(4, if(3-PLANE, max(ld(4), 0), gte(ld(4), 0)) * 255);
if(ld(7),
st(2, ld(5) * W);
st(3, (1 - ld(6)) * H);
ifnot(1-ld(7),
ifnot(PLANE, a0(ld(2),ld(3)), ifnot(1-PLANE, a1(ld(2),ld(3)), ifnot(2-PLANE, a2(ld(2),ld(3)), a3(ld(2),ld(3))))),
st(3, ifnot(PLANE, b0(ld(2),ld(3)), ifnot(1-PLANE, b1(ld(2),ld(3)), ifnot(2-PLANE, b2(ld(2),ld(3)), b3(ld(2),ld(3))))));
ifnot(2-ld(7),
ld(3),
st(1, ld(1) * (1 - ld(6)));
ld(4) * (1 - ld(1)) + ld(3) * ld(1)
)
),
ld(4)
)
GL_DOUBLEDIAMOND
st(1, 0.05);
st(3, 1 - st(2, ld(0) / 2));
st(4, abs(X / W - 0.5) + abs(0.5 - Y / H));
if(between(ld(4), ld(2), ld(3)),
if(between(ld(4), ld(2) + ld(1), ld(3) - ld(1)),
B,
st(1, min(ld(4) - ld(2), ld(3) - ld(4)) / ld(1));
A * (1 - ld(1)) + B * ld(1)
),
A
)
GL_DREAMY
st(1, X / W);
st(2, 1 - Y / H);
st(3, 1 - ld(0));
st(4, 0.03 * ld(3) * cos(10 * (ld(3) + ld(1))));
st(4, ld(2) + ld(4));
st(4, (1 - ld(4)) * H);
st(4, ifnot(PLANE, a0(X,ld(4)), ifnot(1-PLANE, a1(X,ld(4)), ifnot(2-PLANE, a2(X,ld(4)), a3(X,ld(4))))));
st(5, 0.03 * (1 - ld(3)) * cos(10 * (1 - ld(3) + ld(1))));
st(5, ld(2) + ld(5));
st(5, (1 - ld(5)) * H);
st(5, ifnot(PLANE, b0(X,ld(5)), ifnot(1-PLANE, b1(X,ld(5)), ifnot(2-PLANE, b2(X,ld(5)), b3(X,ld(5))))));
ld(4) * (1 - ld(3)) + ld(5) * ld(3)
GL_EDGETRANSITION
NATIVE
GL_EXPONENTIAL_SWISH
NATIVE
GL_FADECOLOR
NATIVE
GL_FANIN
st(1, 0.05);
st(2, PI * (1 - ld(0)));
st(3, 1 - Y / H);
st(3, atan2(abs(X / W - 0.5), if(lt(ld(3), 0.5), 0.25 - ld(3), ld(3) - 0.75)) - ld(2));
if(lt(ld(3), 0),
B,
if(lt(ld(3), ld(1)),
st(3, ld(3) / ld(1));
B * (1 - ld(3)) + A * ld(3),
A
)
)
GL_FANOUT
st(1, 0.05);
st(2, 2 * PI * (1 - ld(0)));
st(3, X / W);
st(3, PI + atan2(Y / H - 0.5, if(lt(ld(3), 0.5), 0.25 - ld(3), ld(3) - 0.75)) - ld(2));
if(lt(ld(3), 0),
B,
if(lt(ld(3), ld(1)),
st(3, ld(3) / ld(1));
B * (1 - ld(3)) + A * ld(3),
A
)
)
GL_FANUP
st(1, 0.05);
st(2, PI / 2 * (1 - ld(0)));
st(3, atan2(abs(X / W - 0.5), Y / H) - ld(2));
if(lt(ld(3), 0),
B,
if(lt(ld(3), ld(1)),
st(3, ld(3) / ld(1));
B * (1 - ld(3)) + A * ld(3),
A
)
)
GL_FLOWER
st(1, 0.05);
st(2, 360);
st(3, (X / W - 0.5) * W / H);
st(4, Y / H - 0.5);
st(5, hypot(ld(3), ld(4)));
st(2, (1 - ld(0)) * ld(2) * PI / 180);
st(3, atan2(ld(3), ld(4)) + ld(2));
st(4, mod(abs(ld(3)), 0.628319));
st(6, W / H / 0.731 * (1 - ld(0)));
st(7, ld(6) * 0.381962);
st(2, ifnot(mod(trunc(ld(3) / 0.628319), 2),
ld(4) / 0.628319 * (ld(6) - ld(7)) + ld(7),
(1 - ld(4) / 0.628319) * (ld(6) - ld(7)) + ld(7)
));
if(gt(ld(5), ld(2) + ld(1)),
A,
if(gt(ld(5), ld(2)),
st(1, (ld(5) - ld(2)) / ld(1));
B * (1 - ld(1)) + A * ld(1),
B
)
)
GL_GRIDFLIP
NATIVE
GL_HEART
st(1, 1.6 * (1 - ld(0)));
ifnot(ld(1),
A,
st(2, (X / W - 0.5) / ld(1));
st(3, (0.6 - Y / H) / ld(1));
st(1, st(2, ld(2) * ld(2)) + st(4, ld(3) * ld(3)) - 0.3);
if(gte(ld(2) * ld(3) * ld(4), ld(1)^3), B, A)
)
GL_HEXAGONALIZE
st(1, 50);
st(2, 20);
st(3, 2 * min(ld(0), 1 - ld(0)));
if(gt(ld(1), 0), st(3, ceil(ld(3) * ld(1)) / ld(1)));
if(gt(ld(3), 0),
st(2, ld(3) * 0.57735 / ld(2));
st(3, (X / W - 0.5) / ld(2));
st(4, ((H - Y) / W - 0.5) / ld(2));
st(3, (ld(3) * 1.73205 - ld(4)) / 3);
st(4, ld(4) * 0.666667);
st(5, -ld(3) - ld(4));
st(6, floor(ld(3) + 0.5));
st(7, floor(ld(4) + 0.5));
st(8, floor(ld(5) + 0.5));
st(3, abs(ld(6) - ld(3)));
st(4, abs(ld(7) - ld(4)));
st(5, abs(ld(8) - ld(5)));
if(gt(ld(3), ld(4)) * gt(ld(3), ld(5)),
st(6, -ld(7) - ld(8)),
if(gt(ld(4), ld(5)), st(7, -ld(6) - ld(8)))
);
st(3, (ld(7) / 2 + ld(6)) * ld(2) * 1.73205 + 0.5);
st(4, ld(7) * ld(2) * 1.5 + 0.5);
st(3, ld(3) * W);
st(4, H - ld(4) * W);
st(1, ifnot(PLANE, a0(ld(3),ld(4)), ifnot(1-PLANE, a1(ld(3),ld(4)), ifnot(2-PLANE, a2(ld(3),ld(4)), a3(ld(3),ld(4))))));
st(2, ifnot(PLANE, b0(ld(3),ld(4)), ifnot(1-PLANE, b1(ld(3),ld(4)), ifnot(2-PLANE, b2(ld(3),ld(4)), b3(ld(3),ld(4))))));
ld(2) * (1 - ld(0)) + ld(1) * ld(0),
B * (1 - ld(0)) + A * ld(0)
)
GL_INVERTEDPAGECURL
st(1, 0.159);
st(0, (1 - ld(0)) * (1.5 - -0.16) + -0.16);
st(2, ld(0) / ld(1));
st(3, X / W);
st(4, 1 - Y / H);
st(6, -0.173649 * ld(4) + 0.89 - 0.984808 * ld(3));
st(7, ld(6) - ld(0));
if(gt(ld(7), ld(1)),
st(3, A),
st(9, -0.173649 * ld(3) + 0.984808 * ld(4) + -0.801);
if(lt(ld(7), -ld(1)),
st(7, -2 * ld(1) - ld(7));
st(8, acos(ld(7) / ld(1)) + ld(2) - PI);
st(6, ld(8) * ld(1));
st(5, -0.173649 * ld(9) - 0.984808 * ld(6) + 0.985);
st(6, 0.984808 * ld(9) + -0.173649 * ld(6) + 0.985);
if(lt(ld(7), 0) * between(ld(5), 0, 1) * between(ld(6), 0, 1) * (lt(ld(8), PI) + gt(ld(0), 0.5)),
st(8, (1 - hypot(ld(5) - 0.5, ld(6) - 0.5) * 1.414) * pow(-ld(7) / ld(1), 3) / 2);
st(8, clip(ld(8) * 255, 0, B)),
st(8, 0)
);
st(3, if(3-PLANE, B - ld(8), B)),
st(3,
st(8, PI - acos(ld(7) / ld(1)) + ld(2));
if(gt(ld(7), 0),
A,
st(4, ld(8) * ld(1));
st(5, -0.173649 * ld(9) - 0.984808 * ld(4) + 0.985);
st(6, 0.984808 * ld(9) + -0.173649 * ld(4) + 0.985);
if(between(ld(5), 0, 1) * between(ld(6), 0, 1),
st(5, ld(5) * W);
st(6, (1 - ld(6)) * H);
ifnot(PLANE, a0(ld(5),ld(6)), ifnot(1-PLANE, a1(ld(5),ld(6)), ifnot(2-PLANE, a2(ld(5),ld(6)), a3(ld(5),ld(6))))),
B
)
)
);
st(8, 2 * ld(2) - ld(8));
st(4, mod(ld(8), 2 * PI));
ifnot(gt(ld(4), PI) * lt(ld(0), 0.5) + gt(ld(4), PI / 2) * lt(ld(0), 0),
st(4, ld(8) * ld(1));
st(5, -0.173649 * ld(9) - 0.984808 * ld(4) + 0.985);
st(6, 0.984808 * ld(9) + -0.173649 * ld(4) + 0.985);
st(8, if(lt(ld(5), 0), -ld(5), if(gt(ld(5), 1), ld(5) - 1, if(gt(ld(5), 0.5), 1 - ld(5), ld(5)))));
st(9, if(lt(ld(6), 0), -ld(6), if(gt(ld(6), 1), ld(6) - 1, if(gt(ld(6), 0.5), 1 - ld(6), ld(6)))));
st(8, if(between(ld(5), 0, 1) + between(ld(6), 0, 1), min(ld(8), ld(9)), hypot(ld(8), ld(9))));
st(8, (1 - ld(8) * 30) / 3);
st(8, clip(ld(8) * ld(0) * 255, 0, ld(3)));
if(3-PLANE, st(3, ld(3) - ld(8)));
if(between(ld(5), 0, 1) * between(ld(6), 0, 1),
st(5, ld(5) * W);
st(6, (1 - ld(6)) * H);
if(3-PLANE,
st(3, (a0(ld(5),ld(6)) + a1(ld(5),ld(6)) + a2(ld(5),ld(6))) / 255 / 15);
st(3, ld(3) + 0.8 * (pow(1 - abs(ld(7) / ld(1)), 0.2) / 2 + 0.5));
st(3, ld(3) * 255),
st(3, a3(ld(5), ld(6)))
)
)
)
)
);
ld(3)
GL_KALEIDOSCOPE
st(1, 1);
st(2, 1);
st(3, 1.5);
st(4, X / W - 0.5);
st(5, 0.5 - Y / H);
st(1, (1 - ld(0)) ^ ld(3) * ld(1));
st(3, 8);
while(st(3, ld(3) - 1),
st(6, sin(ld(1)));
st(7, cos(ld(1)));
st(8, ld(4) * ld(6) + ld(5) * ld(7));
st(5, ld(5) * ld(6) - ld(4) * ld(7));
st(4, abs(mod(ld(8), 2) - 1));
st(5, abs(mod(ld(5), 2) - 1));
st(1, ld(1) + ld(2))
);
st(4, ld(4) * W);
st(5, (1 - ld(5)) * H);
st(7, ifnot(PLANE, a0(ld(4),ld(5)), ifnot(1-PLANE, a1(ld(4),ld(5)), ifnot(2-PLANE, a2(ld(4),ld(5)), a3(ld(4),ld(5))))));
st(8, ifnot(PLANE, b0(ld(4),ld(5)), ifnot(1-PLANE, b1(ld(4),ld(5)), ifnot(2-PLANE, b2(ld(4),ld(5)), b3(ld(4),ld(5))))));
st(1, ld(8) * (1 - ld(0)) + ld(7) * ld(0));
st(2, B * (1 - ld(0)) + A * ld(0));
st(3, abs(ld(0) - 0.5) * 2);
ld(1) * (1 - ld(3)) + ld(2) * ld(3)
GL_LINEARBLUR
st(1, 0.1);
st(1, ld(1) * (0.5 - abs(ld(0) - 0.5)));
st(3, ld(1) * W);
st(4, ld(1) * H);
st(1, st(2, 0));
st(7, -0.5);
while(lt(st(7, ld(7) + 0.166667), 0.4),
st(5, round(X + ld(7) * ld(3)));
st(8, 0.5);
while(gt(st(8, ld(8) - 0.166667), -0.4),
st(6, round(Y + ld(8) * ld(4)));
st(1, ld(1) + ifnot(PLANE, a0(ld(5),ld(6)), ifnot(1-PLANE, a1(ld(5),ld(6)), ifnot(2-PLANE, a2(ld(5),ld(6)), a3(ld(5),ld(6))))));
st(2, ld(2) + ifnot(PLANE, b0(ld(5),ld(6)), ifnot(1-PLANE, b1(ld(5),ld(6)), ifnot(2-PLANE, b2(ld(5),ld(6)), b3(ld(5),ld(6))))))
)
);
ld(2) / 25 * (1 - ld(0)) + ld(1) / 25 * ld(0)
GL_LISSAJOUS_TILES
NATIVE
GL_MORPH
NATIVE
GL_MOSAIC
st(1, 2);
st(2, -1);
st(5, 1 - 2 * ld(0));
st(5, abs(3 - ld(5) * ld(5) * 2));
st(6, pow(cos(ld(0) * PI) / 2 + 0.5, 2));
st(3, 0.5 * (1 - ld(6)) + (ld(1) + 0.5) * ld(6));
st(4, 0.5 * (1 - ld(6)) + (ld(2) + 0.5) * ld(6));
st(3, (X / W - 0.5) * ld(5) + ld(3));
st(4, (0.5 - Y / H) * ld(5) + ld(4));
st(5, floor(ld(3)));
st(6, floor(ld(4)));
st(3, ld(3) - ld(5));
st(4, ld(4) - ld(6));
st(1, eq(ld(5), ld(1)) * eq(ld(6), ld(2)));
st(2, mod(sin(ld(5) * 12.9898 + ld(6) * 78.233) * 43758.545, 1));
ifnot(ld(1),
st(7, trunc(ld(2) * 4) * PI / 2);
st(5, cos(ld(7)));
st(6, sin(ld(7)));
st(3, ld(5) * st(7, ld(3) - 0.5) + ld(6) * st(4, ld(4) - 0.5) + 0.5);
st(4, ld(5) * ld(4) - ld(6) * ld(7) + 0.5)
);
st(3, ld(3) * W);
st(4, (1 - ld(4)) * H);
if(ld(1) + gt(ld(2), 0.5),
ifnot(PLANE, b0(ld(3),ld(4)), ifnot(1-PLANE, b1(ld(3),ld(4)), ifnot(2-PLANE, b2(ld(3),ld(4)), b3(ld(3),ld(4))))),
ifnot(PLANE, a0(ld(3),ld(4)), ifnot(1-PLANE, a1(ld(3),ld(4)), ifnot(2-PLANE, a2(ld(3),ld(4)), a3(ld(3),ld(4)))))
)
GL_PERLIN
st(1, 4);
st(2, 0.01);
st(3, X / W * ld(1));
st(4, (1 - Y / H) * ld(1));
st(5, floor(ld(3)));
st(6, floor(ld(4)));
st(3, ld(3) - ld(5));
st(4, ld(4) - ld(6));
st(3, ld(3) * ld(3) * (3 - 2 * ld(3)));
st(4, ld(4) * ld(4) * (3 - 2 * ld(4)));