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refactor

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Justin Lin
2019-09-09 09:23:20 +08:00
parent c8a5993787
commit bfcd168e4b
2 changed files with 95 additions and 89 deletions
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94
examples/maze/square_maze.scad
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@@ -202,6 +202,7 @@ function try_routes_from(x, y, dir, maze, rows, columns, x_circular, y_circular)
// road closed so return maze directly // road closed so return maze directly
: maze; : maze;
// ==========
module build_square_maze(rows, columns, blocks, block_width, wall_thickness, left_border = true, bottom_border = true) { module build_square_maze(rows, columns, blocks, block_width, wall_thickness, left_border = true, bottom_border = true) {
module build_block(block, block_width, wall_thickness) { module build_block(block, block_width, wall_thickness) {
translate([get_x(block) - 1, get_y(block) - 1] * block_width) { translate([get_x(block) - 1, get_y(block) - 1] * block_width) {
@@ -238,6 +239,97 @@ module build_square_maze(rows, columns, blocks, block_width, wall_thickness, lef
} }
} }
// ==========
module build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness, left_border = true, bottom_border = true) {
function cell_position(x_cell, y_cell) =
let(
grid_h = 2 * cell_radius * sin(60),
grid_w = cell_radius + cell_radius * cos(60)
)
[grid_w * x_cell, grid_h * y_cell + (x_cell % 2 == 0 ? 0 : grid_h / 2), 0];
module hex_seg(begin, end) {
polyline2d(
[for(a = [begin:60:end])
[cell_radius * cos(a), cell_radius * sin(a)]],
wall_thickness,
startingStyle = "CAP_ROUND", endingStyle = "CAP_ROUND"
);
}
module build_upper_right() { hex_seg(0, 60); }
module build_upper() { hex_seg(60, 120); }
module build_upper_left() { hex_seg(120, 180); }
module build_down_left() { hex_seg(180, 240); }
module build_down() { hex_seg(240, 300); }
module build_down_right() { hex_seg(300, 360); }
module build_cell(block) {
module build_right_wall(x_cell) {
if(x_cell % 2 != 0) {
build_down_right();
}
else {
build_upper_right();
}
}
module build_row_wall(x_cell, y_cell) {
if(x_cell % 2 != 0) {
build_upper_right();
build_upper_left();
}
else {
build_down_right();
}
}
x = get_x(block) - 1;
y = get_y(block) - 1;
translate(cell_position(x, y)) {
build_row_wall(x, y);
if(upper_wall(block) || upper_right_wall(block)) {
build_upper();
}
if(right_wall(block) || upper_right_wall(block)) {
build_right_wall(x);
}
}
}
// create the wall of maze
for(block = maze_vector) {
build_cell(block);
}
if(left_border) {
for(y = [0:y_cells - 1]) {
translate(cell_position(0, y)) {
build_upper_left();
build_down_left();
}
}
}
if(bottom_border) {
for(x = [0:x_cells - 1]) {
translate(cell_position(x, 0)) {
build_down();
if(x % 2 == 0) {
build_down_left();
build_down_right();
}
}
}
}
}
// ==========
function block_walls(block, block_width) = function block_walls(block, block_width) =
let( let(
loc = [get_x(block) - 1, get_y(block) - 1] * block_width, loc = [get_x(block) - 1, get_y(block) - 1] * block_width,
@@ -276,3 +368,5 @@ function y_twist(walls, angle, rows, columns, block_width) =
rotate_p(pt, [0, pt[1] * a_step, 0]) + [x_offset, 0, 0] rotate_p(pt, [0, pt[1] * a_step, 0]) + [x_offset, 0, 0]
] ]
]; ];
// ==========

88
examples/maze/stereographic_hex_maze.scad
View File

@@ -10,94 +10,6 @@ fn = 24;
shadow = "YES"; // [YES, NO] shadow = "YES"; // [YES, NO]
wall_height = 1; wall_height = 1;
// build a hex maze
module build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness, left_border = true, bottom_border = true) {
function cell_position(x_cell, y_cell) =
let(
grid_h = 2 * cell_radius * sin(60),
grid_w = cell_radius + cell_radius * cos(60)
)
[grid_w * x_cell, grid_h * y_cell + (x_cell % 2 == 0 ? 0 : grid_h / 2), 0];
module hex_seg(begin, end) {
polyline2d(
[for(a = [begin:60:end])
[cell_radius * cos(a), cell_radius * sin(a)]],
wall_thickness,
startingStyle = "CAP_ROUND", endingStyle = "CAP_ROUND"
);
}
module build_upper_right() { hex_seg(0, 60); }
module build_upper() { hex_seg(60, 120); }
module build_upper_left() { hex_seg(120, 180); }
module build_down_left() { hex_seg(180, 240); }
module build_down() { hex_seg(240, 300); }
module build_down_right() { hex_seg(300, 360); }
module build_cell(block) {
module build_right_wall(x_cell) {
if(x_cell % 2 != 0) {
build_down_right();
}
else {
build_upper_right();
}
}
module build_row_wall(x_cell, y_cell) {
if(x_cell % 2 != 0) {
build_upper_right();
build_upper_left();
}
else {
build_down_right();
}
}
x = get_x(block) - 1;
y = get_y(block) - 1;
translate(cell_position(x, y)) {
build_row_wall(x, y);
if(upper_wall(block) || upper_right_wall(block)) {
build_upper();
}
if(right_wall(block) || upper_right_wall(block)) {
build_right_wall(x);
}
}
}
// create the wall of maze
for(block = maze_vector) {
build_cell(block);
}
if(left_border) {
for(y = [0:y_cells - 1]) {
translate(cell_position(0, y)) {
build_upper_left();
build_down_left();
}
}
}
if(bottom_border) {
for(x = [0:x_cells - 1]) {
translate(cell_position(x, 0)) {
build_down();
if(x % 2 == 0) {
build_down_left();
build_down_right();
}
}
}
}
}
module hex_maze_stereographic_projection(x_cells, cell_radius, wall_thickness, fn, wall_height, shadow) { module hex_maze_stereographic_projection(x_cells, cell_radius, wall_thickness, fn, wall_height, shadow) {
y_cells = round(0.866 * x_cells - 0.211); y_cells = round(0.866 * x_cells - 0.211);