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add color_this() module

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Adrian Mariano 2022-03-19 14:48:16 -04:00
parent fe1d017252
commit 5439b1ee64
1 changed files with 50 additions and 8 deletions
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58
attachments.scad
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@ -17,6 +17,8 @@
$tags = "";
$overlap = 0;
$color = undef;//"yellow";
$save_color = undef; // Saved color to revert back for children
_DEFAULT_COLOR = "gold";
$attach_to = undef;
$attach_anchor = [CENTER, CENTER, UP, 0];
@ -810,23 +812,59 @@ module hulling(a)
// Module: recolor()
// Usage:
// recolor(c) {...}
// recolor([c]) {...}
// Topics: Attachments
// See Also: tags(), hide(), show(), diff(), intersect()
// See Also: color_this(), tags(), hide(), show(), diff(), intersect()
// Description:
// Sets the color for children that can use the $color special variable. For a more step-by-step
// explanation of attachments, see the [[Attachments Tutorial|Tutorial-Attachments]].
// Sets the color for children that can use the $color special variable. For this to work
// you cannot have any color() modules above it in any parents, only other recolor() or color_this() modules.
// Not ethat recolor() affects its children and all their descendants.
// For a more step-by-step explanation of attachments, see the [[Attachments Tutorial|Tutorial-Attachments]].
// Arguments:
// c = Color name or RGBA vector.
// c = Color name or RGBA vector. Default: The standard OpenSCAD yellow
// Example:
// recolor("red") cyl(l=20, d=10);
module recolor(c)
// cuboid([10,10,5])
// recolor("green")attach(TOP,BOT) cuboid([9,9,4.5])
// attach(TOP,BOT) cuboid([8,8,4])
// recolor("purple") attach(TOP,BOT) cuboid([7,7,3.5])
// 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)
{
$color = c;
children();
}
// Module: color_this()
// Usage:
// color_this([c]) {...}
// Topics: Attachments
// See Also: tags(), recolor()
// 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.
// 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:
// cuboid([10,10,5])
// color_this("green")attach(TOP,BOT) cuboid([9,9,4.5])
// attach(TOP,BOT) cuboid([8,8,4])
// color_this("purple") attach(TOP,BOT) cuboid([7,7,3.5])
// 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)
{
$save_color=default($color, _DEFAULT_COLOR);
$color=c;
children();
}
// Module: hide()
// Usage:
// hide(tags) {...}
@ -1383,11 +1421,15 @@ module attachable(
children(0);
}
}
if (is_def($save_color)) {
$color=$save_color;
$save_color=undef;
children(1);
} else
children(1);
}
}
// Function: reorient()
//
// Usage: Square/Trapezoid Geometry