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Add support for different color schemes with color_this()

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This commit is contained in:
Adrian Mariano 2022-03-19 22:16:50 -04:00
parent c08d33aec0
commit 372b3ae857
1 changed files with 35 additions and 8 deletions
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attachments.scad
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@ -17,8 +17,27 @@
$tags = "";
$overlap = 0;
$color = undef;//"yellow";
$save_color = undef; // Saved color to revert back for children
_DEFAULT_COLOR = "#f9d72c"; // Maybe the same as "gold"
$save_color = undef; // Saved color to revert back for children
$color_scheme = "cornfield"; // Default color scheme
_default_colors = [
["cornfield", "#f9d72c"],
["metallic", "#ddddff"],
["sunset", "#ffaaaa"],
["starnight", "#ffffe0"],
["beforedawn", "#cccccc"],
["nature", "#16a085"],
["deepocean", "#eeeeee"],
["solarized", "#b58800"],
["tomorrow", "#4271ae"],
["tomorrow night", "#81a2be"],
["monotone", "#f9d72c"]
];
function _default_color() =
let(ind = search([downcase($color_scheme)], _default_colors, 1, 0))
assert(ind[0]!=[], str("$color_scheme set to unknown value ",$color_scheme))
_default_colors[ind[0]][1];
$attach_to = undef;
$attach_anchor = [CENTER, CENTER, UP, 0];
@ -830,9 +849,9 @@ module hulling(a)
// attach(TOP,BOT) cuboid([6,6,3])
// recolor("cyan")attach(TOP,BOT) cuboid([5,5,2.5])
// attach(TOP,BOT) cuboid([4,4,2]);
module recolor(c=_DEFAULT_COLOR)
module recolor(c)
{
$color = c;
$color = default(c,_default_color());
children();
}
@ -845,11 +864,19 @@ module recolor(c=_DEFAULT_COLOR)
// Description:
// Sets the color for children at one level, reverting to the previous color for further descendants.
// This works only with attachables and you cannot have any color() modules above it in any parents,
// only recolor() or other color_this() modules.
// only recolor() or other color_this() modules.
// .
// This module works by saving the current color, which means it needs to know the current color. If you have
// not yet set the color with {{recolor()}} then the current color is the default color.
// OpenSCAD provides no method for learning the value of the default color, so if you don't use the default
// "cornfield" color scheme you should set $color_scheme to the color scheme you are using.
// Alternatively, always use {{recolor()}} on a parent before using color_this().
// .
// For a more step-by-step explanation of attachments, see the [[Attachments Tutorial|Tutorial-Attachments]].
// Arguments:
// c = Color name or RGBA vector. Default: the standard OpenSCAD yellow
// Example:
// $color_scheme = "cornfield"; // Change this if necessary
// cuboid([10,10,5])
// color_this("green")attach(TOP,BOT) cuboid([9,9,4.5])
// attach(TOP,BOT) cuboid([8,8,4])
@ -857,10 +884,10 @@ module recolor(c=_DEFAULT_COLOR)
// attach(TOP,BOT) cuboid([6,6,3])
// color_this("cyan")attach(TOP,BOT) cuboid([5,5,2.5])
// attach(TOP,BOT) cuboid([4,4,2]);
module color_this(c=_DEFAULT_COLOR)
module color_this(c)
{
$save_color=default($color, _DEFAULT_COLOR);
$color=c;
$save_color=default($color, _default_color());
$color=default(c, _default_color());
children();
}