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mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-08-28 17:00:00 +02:00
This commit is contained in:
Justin Lin
2021-07-22 13:31:16 +08:00
parent 5d593ecbc3
commit 9c487ec304
9 changed files with 328 additions and 761 deletions

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use <helix.scad>;
use <along_with.scad>;
use <shape_trapezium.scad>;
use <ellipse_extrude.scad>;
use <shear.scad>;
use <curve.scad>;
use <sweep.scad>;
use <paths2sections.scad>;
use <ptf/ptf_rotate.scad>;
use <shape_circle.scad>;
use <bezier_curve.scad>;
use <path_scaling_sections.scad>;
use <util/rand.scad>;
use <noise/nz_perlin2s.scad>;
r1 = 25;
r2 = 15;
levels = 3;
level_dist = 20;
module scales(ang, leng, radius, height, thickness) {
module one_scale() {
rotate([0, ang, 0])
shear(sx = [0, -1.5])
linear_extrude(thickness, center = true)
scale([leng, 1])
circle(1, $fn = 4);
}
for(a = [0:30:330]) {
hull() {
rotate(a)
translate([radius, 0, height])
one_scale();
rotate(a + 15)
translate([radius, 0, height + 1.75])
one_scale();
}
}
}
module one_segment() {
// scales
scale([1,0.85,1]) union() {
scales(60, 4, 5, 0, 1.5);
scales(75, 2.5, 5, -4, 1.25);
scales(100, 1.25, 4.5, -7, 1);
// %scales(110, 1.25, 3, -9, 1);
// %scales(120, 2.5, 2, -9, 1);
}
// dorsal fin
translate([0, 3, -3])
rotate([-75, 0, 0])
shear(sy = [0, 3.5])
linear_extrude(2.25, scale = 0.2)
square([2, 12], center = true);
// belly
hull() {
translate([0, -2.5, 1])
rotate([-10, 0, 0])
scale([1.1, 0.8, 1.25])
sphere(5.8, $fn = 8);
translate([0, 0, -1.65])
rotate([-5, 0, 0])
scale([1, 0.8, 1.6])
sphere(5.5, $fn = 8);
}
}
module tail() {
scale([1,0.85,1]) union() {
// scales(60, 4, 5, 0, 1.5);
scales(75, 2.5, 5, -4, 1.25);
scales(100, 1.25, 4.5, -7, 1);
scales(110, 1.25, 3, -9, 1);
scales(120, 2.5, 2, -9, 1);
}
}
module head(angy_angz) {
module hair() {
for(i = [16:36]) {
rotate(i * 10)
translate([0, -13, 0])
rotate([9, 0, 0])
linear_extrude(15, scale = 0.05, twist = 50 - rands(0, 100, 1, seed = i)[0])
translate([0, 10, 0])
circle(3, $fn = 4);
}
for(i = [0:35]) {
rotate(i * 12)
translate([0, -11.5, 0])
rotate([5, 0, 0])
linear_extrude(20, scale = 0.05, twist = 50 - rands(0, 100, 1, seed = i + 1)[0])
translate([0, 10, 0])
circle(3.2, $fn = 5);
}
for(i = [0:35]) {
rotate(i * 10)
translate([0, -10, 0])
rotate([2, 0, 0])
linear_extrude(22, scale = 0.05, twist = 50 - rands(0, 100, 1, seed = i + 2)[0])
translate([0, 10, 0])
circle(3, $fn = 5);
}
}
module one_horn() {
translate([-9, -4, -2])
rotate([45, -25, 0])
linear_extrude(30, scale = 0.1, twist = -90)
translate([7.5, 0, 0])
circle(3, $fn = 4);
}
module mouth() {
path1 = curve(0.4, [[0, -8, -1], [0, -11, .25], [0, -12, 5], [0, -9, 5], [0, -4, 6], [0, -0.5, 8], [0, 5, 6.5], [0, 8, 6], [0, 12, 1], [0, 16, 0]]);
path2 = [for(p = path1) ptf_rotate(p, [0, -12, 0]) * 0.9 + [-2, 0, 0]];
path3 = [for(i = [0:len(path1) - 1]) [-i / 6 - 1.5, i / 1.65 - 9, 0]];
path4 = [for(p = path3) [-p[0], p[1], p[2]]];
path5 = [for(p = path2) [-p[0], p[1], p[2]]];
translate([0, 0, -2])
rotate([90, 0, -90])
sweep(paths2sections([path1, path2, path3, path4, path5]));
translate([0, 0, -3.25])
rotate([90, 0, -90])
ellipse_extrude(5.5, slices = 2)
polygon(
shape_trapezium([5, 18],
h = 20,
corner_r = 2, $fn = 4)
);
mirror([1, 0, 0])
translate([0, 0, -3])
rotate([85, 0, -90])
ellipse_extrude(4, slices = 2)
polygon(
shape_trapezium([5, 18],
h = 20,
corner_r = 2, $fn = 5)
);
}
module one_eye() {
translate([-5, 2.5, -2])
rotate([-5, -8, -10])
scale([1, 1, 1.75])
sphere(1.75, $fn = 6);
translate([-5.1, 3.75, -2.25])
rotate([-25, 0, 75])
sphere(0.65, $fn = 6);
}
module one_beard() {
translate([-11.15, -12, -10])
rotate(180)
linear_extrude(8, scale = 0.2, twist = 90)
translate([-10, -10, 0])
circle(1, $fn = 6);
}
rotate([0, angy_angz[0] + 15, angy_angz[1]])
translate([0, 0, -25 / 2])
scale(1.15) {
scale([0.8, 0.9, 1]) hair();
translate([0, 0, 2]) {
rotate(-90) {
one_horn();
mirror([-1, 0, 0]) one_horn();
}
mouth();
one_eye();
mirror([0, 1, 0]) one_eye();
one_beard();
mirror([0, 1, 0]) one_beard();
}
}
}
module dragon() {
path_pts = helix(
radius = [r1, r2],
levels = levels,
level_dist = level_dist,
vt_dir = "SPI_DOWN",
rt_dir = "CLK",
$fn = 36
);
function __angy_angz(p1, p2) =
let(
dx = p2[0] - p1[0],
dy = p2[1] - p1[1],
dz = p2[2] - p1[2],
ya = atan2(dz, sqrt(dx * dx + dy * dy)),
za = atan2(dy, dx)
) [ya, za];
angy_angz = __angy_angz(path_pts[0], path_pts[1]);
scale(1.1)
along_with(path_pts, scale = 0.85, method = "EULER_ANGLE")
one_segment();
translate([28, 1, -1.6])
rotate([-88, 0, 0])
rotate([0, 0, 15])
scale([.975, .975, 1.2])
tail();
translate([19, 0, 65])
rotate([95, 0, 0])
head(angy_angz);
}
module flame_mountain(beginning_radius, fn, amplitude,curve_step, smoothness) {
seed = 1000;
section = shape_circle(radius = beginning_radius, $fn = fn);
pt = [beginning_radius, 0, 0];
edge_path = bezier_curve(curve_step, [
pt,
pt + [-6, 0, 20],
pt + [-7, 0, 50],
pt + [-9, 0, 60],
pt + [-26, 0, 72],
pt * 0.9 + [-23.25, 0, 85]
]);
sections = path_scaling_sections(section, edge_path);
noise = function(pts, seed) nz_perlin2s(pts, seed);
noisy = [
for(section = sections)
let(nz = noise(section / smoothness, seed))
[
for(i = [0:len(nz) - 1])
let(
p = section[i],
p2d = [p[0], p[1]],
noisyP = p2d + p2d / norm(p2d) * nz[i] * amplitude
)
[noisyP[0], noisyP[1], p[2]]
]
];
sweep(noisy);
}
rotate(180) {
translate([0, 0, 7])
dragon($fn = 12);
rotate(60)
flame_mountain(
beginning_radius = 26,
fn = 18,
amplitude = 7,
curve_step = 0.04,
smoothness = 10
);
}