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84 lines
2.6 KiB
Markdown
84 lines
2.6 KiB
Markdown
# mz_square_initialize
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It's a helper for initializing cell data of a maze.
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**Since:** 2.5
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## Parameters
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- `rows` : The rows of the maze.
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- `columns` : The columns of the maze.
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- `mask` : The mask for a maze. A list of 0s and 1s. Cells makred as 0 won't be traveled.
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## Examples
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use <maze/mz_square_initialize.scad>;
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use <maze/mz_square_cells.scad>;
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use <maze/mz_square_walls.scad>;
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use <polyline2d.scad>;
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rows = 10;
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columns = 10;
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cell_width = 5;
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wall_thickness = 2;
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init_cells = mz_square_initialize(rows, columns);
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cells = mz_square_cells(rows, columns, init_cells = init_cells);
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walls = mz_square_walls(cells, rows, columns, cell_width);
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for(wall = walls) {
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polyline2d(wall, wall_thickness, joinStyle = "JOIN_MITER");
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}
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use <maze/mz_square_cells.scad>;
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use <maze/mz_square_walls.scad>;
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use <maze/mz_square_initialize.scad>;
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use <polyline2d.scad>;
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mask = [
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
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[0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0],
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[0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0],
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[0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0],
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[0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0],
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[0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0],
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[0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0],
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[0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0],
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[0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0],
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[0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0],
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[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
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];
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start = [3, 3];
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cell_width = 5;
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wall_thickness = 2;
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rows = len(mask);
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columns = len(mask[0]);
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init_cells = mz_square_initialize(mask = mask);
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cells = mz_square_cells(rows, columns, start, init_cells);
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walls = mz_square_walls(cells, rows, columns, cell_width, false, false);
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// Maze
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for(wall = walls) {
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polyline2d(wall, wall_thickness, joinStyle = "JOIN_MITER");
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}
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// Mask
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mask_width = cell_width + wall_thickness;
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translate([-wall_thickness / 2, -wall_thickness / 2])
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for(i = [0:rows - 1]) {
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for(j = [0:columns - 1]) {
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if(mask[i][j] == 0) {
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translate([cell_width * j, cell_width * (rows - i - 1)])
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square(mask_width);
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}
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}
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}
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I provide a tool [img2binary](https://github.com/JustinSDK/img2binary) for converting an image into 0 and 1. 0 is for black and 1 is for white. You may use it to create a mask from an image. The mask of [maze_masking](https://github.com/JustinSDK/dotSCAD/blob/master/examples/maze/maze_masking.scad) is an example.
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