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y twisted

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Justin Lin
2019-09-07 15:23:52 +08:00
parent 1b07f29fa8
commit dc31063b4c
1 changed files with 10 additions and 10 deletions
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20
examples/twisted_maze.scad
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@ -2,8 +2,8 @@ include <hull_polyline3d.scad>;
include <rotate_p.scad>; include <rotate_p.scad>;
include <square_maze.scad>; include <square_maze.scad>;
rows = 8; rows = 16;
columns = 16; columns = 8;
block_width = 2; block_width = 2;
wall_thickness = 1; wall_thickness = 1;
angle = 90; angle = 90;
@ -35,20 +35,20 @@ function maze_walls(blocks, rows, columns, block_width, left_border = true, bott
, left_walls, buttom_walls , left_walls, buttom_walls
); );
function x_twist(walls, angle, rows, columns, block_width) = function y_twist(walls, angle, rows, columns, block_width) =
let( let(
y_offset = rows * block_width / 2, x_offset = columns * block_width / 2,
y_centered = [ x_centered = [
for(wall_pts = walls) for(wall_pts = walls)
[for(pt = wall_pts) [pt[0], pt[1], 0] + [0, -y_offset, 0]] [for(pt = wall_pts) [pt[0], pt[1], 0] + [-x_offset, 0, 0]]
], ],
a_step = angle / columns a_step = angle / rows
) )
[ [
for(wall_pts = y_centered) for(wall_pts = x_centered)
[ [
for(pt = wall_pts) for(pt = wall_pts)
rotate_p(pt, [pt[0] * a_step, 0, 0]) + [0, y_offset, 0] rotate_p(pt, [0, pt[1] * a_step, 0]) + [x_offset, 0, 0]
] ]
]; ];
@ -60,6 +60,6 @@ blocks = go_maze(
walls = maze_walls(blocks, rows, columns, block_width); walls = maze_walls(blocks, rows, columns, block_width);
for(wall_pts = x_twist(walls, angle, rows, columns, block_width)) { for(wall_pts = y_twist(walls, angle, rows, columns, block_width)) {
hull_polyline3d(wall_pts, wall_thickness); hull_polyline3d(wall_pts, wall_thickness);
} }