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56 lines
1.5 KiB
Markdown
56 lines
1.5 KiB
Markdown
# vrn2_cells_space
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Create cell shapes of Voronoi in the first quadrant. You specify a space and a grid width. The center of each cell will be distributed in each grid randomly.
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**Since:** 2.4
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## Parameters
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- `size` : 2 value array [x, y], rectangle with dimensions x and y.
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- `grid_w` : The width of each grid. If it can split `size` equally, the voronoi diagram is seamless at the junction of top-bottom and left-right.
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- `seed` : Seed value for random number generator for repeatable results.
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## Examples
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use <polyline_join.scad>;
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use <voronoi/vrn2_cells_space.scad>;
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size = [20, 20];
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grid_w = 5;
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cells = vrn2_cells_space(size, grid_w);
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for(cell = cells) {
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cell_pt = cell[0];
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cell_poly = cell[1];
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linear_extrude(1)
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polyline_join([each cell_poly, cell_poly[0]])
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circle(.5);
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color(rands(0, 1, 3))
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translate(cell_pt)
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linear_extrude(2, scale = 0.8)
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translate(-cell_pt)
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polygon(cell_poly);
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}
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use <polyline_join.scad>;
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use <ptf/ptf_torus.scad>;
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use <voronoi/vrn2_cells_space.scad>;
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size = [40, 80];
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grid_w = 5;
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cells = vrn2_cells_space(size, grid_w);
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$fn = 4;
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for(cell = cells) {
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cell_poly = [for(p = cell[1]) ptf_torus(size, p, [10, 5], [360, 360])];
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polyline_join(cell_poly)
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sphere(.5);
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}
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