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Get Textures Figures to render.

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Revar Desmera 2023-01-23 15:01:14 -08:00
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skin.scad
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@ -2585,9 +2585,15 @@ function associate_vertices(polygons, split, curpoly=0) =
// Another serious limitation is more subtle. In the 2D examples above, it is obvious how to connect the // Another serious limitation is more subtle. In the 2D examples above, it is obvious how to connect the
// dots together. But in 3D example we need to triangulate the points on a grid, and this triangulation is not unique. // dots together. But in 3D example we need to triangulate the points on a grid, and this triangulation is not unique.
// The `style` argument lets you specify how the points are triangulated using the styles supported by {{vnf_vertex_array()}}. // The `style` argument lets you specify how the points are triangulated using the styles supported by {{vnf_vertex_array()}}.
// In the example below we have expanded the 2D example into 3D: [[0,0,0,0],[0,1,1,0],[0,1,1,0],[0,0,0,0]], and we show the // In the example below we have expanded the 2D example into 3D:
// 3D triangulations produced by the different styles: // ```openscad
// Figure(Big, NoAxes, VPR = [39.2, 0, 13.3], VPT = [3.76242, -5.50969, 4.51854], VPD = 32.0275): // [[0,0,0,0],
// [0,1,1,0],
// [0,1,1,0],
// [0,0,0,0]]
// ```
// and we show the 3D triangulations produced by the different styles:
// Figure(3D,Big,NoAxes,VPR=[39.2,0,13.3],VPT=[3.76242,-5.50969,4.51854],VPD=32.0275):
// tex = [ // tex = [
// [0,0,0,0,0], // [0,0,0,0,0],
// [0,1,1,0,0], // [0,1,1,0,0],
@ -2628,10 +2634,10 @@ function associate_vertices(polygons, split, curpoly=0) =
// to make a valid object is to have no points at all on the Y=0 line, and of course none on Y=1. In this case, the resulting texture produces // to make a valid object is to have no points at all on the Y=0 line, and of course none on Y=1. In this case, the resulting texture produces
// a collection of disconnected objects. Note that the Z coordinates of your tile can be anything, but for the dimensional settings on textures // a collection of disconnected objects. Note that the Z coordinates of your tile can be anything, but for the dimensional settings on textures
// to work intuitively, you should construct your tile so that Z ranges from 0 to 1. // to work intuitively, you should construct your tile so that Z ranges from 0 to 1.
// Figure: This is the "hexgrid" VNF tile, which creates a hexagonal grid texture, something which doesn't work well with a height field because the edges of the hexagon don't align with the grid. Note how the tile ranges between 0 and 1 in both X, Y and Z. // Figure(3D): This is the "hexgrid" VNF tile, which creates a hexagonal grid texture, something which doesn't work well with a height field because the edges of the hexagon don't align with the grid. Note how the tile ranges between 0 and 1 in both X, Y and Z.
// tex = texture("hex_grid"); // tex = texture("hex_grid");
// vnf_polyhedron(tex); // vnf_polyhedron(tex);
// Figure: This is an example of a tile that has no edges at the top or bottom, so it creates disconnected rings. See below for examples showing this tile in use. // Figure(3D): This is an example of a tile that has no edges at the top or bottom, so it creates disconnected rings. See below for examples showing this tile in use.
// shape = skin([ // shape = skin([
// rect(2/5), // rect(2/5),
// rect(2/3), // rect(2/3),