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refactor

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Justin Lin
2019-09-04 07:35:20 +08:00
parent df4ebba3c3
commit ed2845a4e8
1 changed files with 56 additions and 51 deletions
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79
examples/stereographic_hex_maze.scad
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@@ -12,6 +12,13 @@ wall_height = 1;
// build a hex maze // build a hex maze
module build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness) { module build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness) {
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) { module hex_seg(begin, end) {
polyline2d( polyline2d(
[for(a = [begin:60:end]) [for(a = [begin:60:end])
@@ -28,64 +35,62 @@ module build_hex_maze(y_cells, x_cells, maze_vector, cell_radius, wall_thickness
module down_wall() { hex_seg(240, 300); } module down_wall() { hex_seg(240, 300); }
module down_right_wall() { hex_seg(300, 360); } module down_right_wall() { hex_seg(300, 360); }
function cell_position(x_cell, y_cell) = module build_cell(x, y, wall_type) {
let( module build_right_wall(x_cell) {
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 build_cell_right_wall(x_cell) {
up_right_wall(); up_right_wall();
if(x_cell % 2 != 0) { if(x_cell % 2 != 0) {
down_right_wall(); down_right_wall();
} }
} }
module build_cell_row_wall(x_cell) { module build_row_wall(x_cell, y_cell) {
if(x_cell % 2 != 0) { if(x_cell % 2 != 0) {
up_right_wall(); up_right_wall();
if(y_cell == y_cells - 1) {
up_left_wall();
}
} }
else { else {
down_right_wall(); down_right_wall();
} }
} }
module build_cell_border_if_necessary(x_cell, y_cell) { build_row_wall(x, y);
if(x_cell == 0) {
up_left_wall();
down_left_wall();
}
if(y_cell == 0) {
down_wall();
if(x_cell % 2 == 0) {
down_left_wall();
down_right_wall();
}
}
else if(y_cell == y_cells - 1 && x_cell % 2 != 0) {
up_left_wall();
}
}
// create the wall of maze
for(i = [0:len(maze_vector) - 1]) {
cord = maze_vector[i];
x = cord[0] - 1;
y = cord[1] - 1;
wall_type = cord[2];
translate(cell_position(x, y)) {
if(wall_type == UPPER_WALL || wall_type == UPPER_RIGHT_WALL) { if(wall_type == UPPER_WALL || wall_type == UPPER_RIGHT_WALL) {
upper_wall(); upper_wall();
} }
if(wall_type == RIGHT_WALL || wall_type == UPPER_RIGHT_WALL) { if(wall_type == RIGHT_WALL || wall_type == UPPER_RIGHT_WALL) {
build_cell_right_wall(x); build_right_wall(x);
}
} }
build_cell_row_wall(x); // create the wall of maze
build_cell_border_if_necessary(x, y); for(cell = maze_vector) {
x = cell[0] - 1;
y = cell[1] - 1;
wall_type = cell[2];
translate(cell_position(x, y)) {
build_cell(x, y, wall_type);
}
}
// build left border
for(y = [0:y_cells - 1]) {
translate(cell_position(0, y)) {
up_left_wall();
down_left_wall();
}
}
// build bottom border
for(x = [0:x_cells - 1]) {
translate(cell_position(x, 0)) {
down_wall();
if(x % 2 == 0) {
down_left_wall();
down_right_wall();
}
} }
} }
} }