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refactor

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Justin Lin
2020-10-03 21:17:23 +08:00
parent 23c86b1ec2
commit 3c29270a8f
1 changed files with 25 additions and 107 deletions
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132
examples/maze/stereographic_hex_maze.scad
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@@ -1,140 +1,58 @@
use <polyline2d.scad>;
use <stereographic_extrude.scad>;
use <maze/mz_blocks.scad>;
use <maze/mz_get.scad>;
use <maze/mz_hex_walls.scad>;
x_cells = 10;
columns = 10;
cell_radius = 20;
wall_thickness = 12;
fn = 24;
shadow = "YES"; // [YES, NO]
wall_height = 1;
module build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness, left_border = true, bottom_border = true) {
function no_wall(block) = get_wall_type(block) == "NO_WALL";
function upper_wall(block) = get_wall_type(block) == "UPPER_WALL";
function right_wall(block) = get_wall_type(block) == "RIGHT_WALL";
function upper_right_wall(block) = get_wall_type(block) == "UPPER_RIGHT_WALL";
function get_x(block) = mz_get(block, "x");
function get_y(block) = mz_get(block, "y");
function get_wall_type(block) = mz_get(block, "w");
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) {
y_cells = round(0.866 * x_cells - 0.211);
module hex_maze_stereographic_projection(columns, cell_radius, wall_thickness, fn, wall_height, shadow) {
rows = round(0.866 * columns - 0.211);
grid_h = 2 * cell_radius * sin(60);
grid_w = cell_radius + cell_radius * cos(60);
square_w = grid_w * (x_cells - 1) + cell_radius * 2 + wall_thickness * 2;
square_h = grid_h * y_cells + grid_h / 2 + wall_thickness * 2;
square_w = grid_w * (columns - 1) + cell_radius * 2 + wall_thickness * 2;
square_h = grid_h * rows + grid_h / 2 + wall_thickness * 2;
square_offset_x = square_w / 2 -cell_radius - wall_thickness;
square_offset_y = square_h / 2 -grid_h / 2 - wall_thickness;
pyramid_height = square_w / sqrt(2);
// create a maze
maze_vector = mz_blocks(
blocks = mz_blocks(
[1, 1],
y_cells, x_cells
rows, columns
);
walls = mz_hex_walls(blocks, rows, columns, cell_radius, wall_thickness);
stereographic_extrude(square_w, $fn = fn)
translate([grid_w - square_w / 2, grid_h - square_w / 2, 0])
build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness);
for(wall = walls) {
polyline2d(
wall,
wall_thickness,
startingStyle = "CAP_ROUND", endingStyle = "CAP_ROUND"
);
}
if(shadow == "YES") {
color("black")
linear_extrude(wall_height)
translate([grid_w - square_w / 2, grid_h - square_w / 2, 0])
build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness);
for(wall = walls) {
polyline2d(
wall,
wall_thickness,
startingStyle = "CAP_ROUND", endingStyle = "CAP_ROUND"
);
}
}
}
hex_maze_stereographic_projection(x_cells, cell_radius, wall_thickness, fn, wall_height, shadow);
hex_maze_stereographic_projection(columns, cell_radius, wall_thickness, fn, wall_height, shadow);