1
0
mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-02-24 09:33:26 +01:00
dotSCAD/examples/maze/heart_maze.scad
2019-10-05 17:08:14 +08:00

111 lines
2.6 KiB
OpenSCAD

include <line2d.scad>;
include <hollow_out.scad>;
include <square_maze.scad>;
include <ellipse_extrude.scad>;
// only for creating a small maze
radius_of_heart = 15;
wall_thickness = 2;
wall_height = 1;
cblocks = 6;
levels = 3;
semi_minor_axis = 15;
module heart(radius, tip_r) {
offset_h = 0.410927 * radius;
translate([radius * 0.707107, offset_h, 0])
rotate([0, 0, -45])
hull() {
circle(radius);
translate([radius - tip_r, -radius * 2 + tip_r, 0])
circle(tip_r);
}
translate([-radius * 0.707107, offset_h, 0])
rotate([0, 0, 45])
hull() {
circle(radius);
translate([-radius + tip_r, -radius * 2 + tip_r, 0])
circle(tip_r);
}
}
module ring_heart(radius, thickness) {
hollow_out(thickness)
heart(radius + thickness, 5);
}
module ring_heart_sector(radius, angle, thickness, width) {
intersection() {
ring_heart(radius - 0.1, thickness + 0.2);
rotate([0, 0, angle])
line2d([0, 0], [0, radius * 3 + width], width);
}
}
module heart_to_heart_wall(radius, length, angle, thickness) {
intersection() {
difference() {
heart(radius + 1 + length , 5);
heart(radius + 1, 5);
}
rotate([0, 0, angle])
line2d([0, 0], [0, (radius + length) * 2 + thickness], thickness);
}
}
module heart_maze(maze, radius, cblocks, levels, thickness = 1) {
arc_angle = 360 / cblocks;
r = radius / (levels + 1);
difference() {
render() union() {
for(i = [1 : levels + 1]) {
ring_heart(r * i, thickness);
}
for(i = [0:len(maze) - 1]) {
block = maze[i];
cr = get_x(block);
cc = get_y(block) - 1;
angle = cc * arc_angle;
if(upper_wall(block) || upper_right_wall(block)) {
heart_to_heart_wall(r * cr, r, cc * arc_angle , thickness);
}
}
}
render() union() {
// maze entry
// ring_heart_sector(r, arc_angle / 1.975 , thickness, r / 3);
// road to the next level
for(i = [0:len(maze) - 1]) {
block = maze[i];
cr = get_x(block);
cc = get_y(block) - 1;
if(no_wall(block) || upper_wall(block)) {
ring_heart_sector(r * (cr + 1), (cc + 0.5) * arc_angle , thickness, r / 3);
}
}
}
}
}
maze = go_maze(1, 1,
starting_maze(cblocks, levels),
cblocks, levels, y_circular = true
);
ellipse_extrude(semi_minor_axis, 10)
heart_maze(maze, radius_of_heart, cblocks, levels, wall_thickness);
mirror([0, 0, 1])
ellipse_extrude(semi_minor_axis, semi_minor_axis / 3 * 2)
heart_maze(maze, radius_of_heart, cblocks, levels, wall_thickness);