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Allow *_half() mutators to accept scalar .

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Revar Desmera 2019-03-31 15:36:13 -07:00
parent cb3a380740
commit 42c89ac1c5
1 changed files with 67 additions and 14 deletions
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81
transforms.scad
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@ -1837,7 +1837,7 @@ module zflip_copy(offset=0, cp=[0,0,0])
//
// Arguments:
// v = Normal of plane to slice at. Keeps everything on the side the normal points to. Default: [0,0,1] (V_UP)
// cp = A point that is on the cut plane. This can be used to shift where it slices the object at. Default: [0,0,0]
// cp = If given as a scalar, moves the cut plane along the normal by the given amount. If given as a point, specifies a point on the cut plane. This can be used to shift where it slices the object at. Default: [0,0,0]
// s = Mask size to use. Use a number larger than twice your object's largest axis. If you make this too large, it messes with centering your view. Default: 100
//
// Examples:
@ -1845,6 +1845,7 @@ module zflip_copy(offset=0, cp=[0,0,0])
// half_of(V_DOWN+V_LEFT, s=200) sphere(d=150);
module half_of(v=V_UP, cp=[0,0,0], s=100)
{
cp = is_scalar(cp)? cp*v : cp;
if (cp != [0,0,0]) {
translate(cp) half_of(v=v, s=s) translate(-cp) children();
} else {
@ -1867,13 +1868,22 @@ module half_of(v=V_UP, cp=[0,0,0], s=100)
// Slices an object at a horizontal X-Y cut plane, and masks away everything that is below it.
//
// Arguments:
// cp = A point that is on the cut plane. This can be used to shift where it slices the object at. Default: [0,0,0]
// cp = If given as a scalar, moves the cut plane up by the given amount. If given as a point, specifies a point on the cut plane. Default: [0,0,0]
// s = Mask size to use. Use a number larger than twice your object's largest axis. If you make this too large, it messes with centering your view. Default: 100
//
// Examples(Spin):
// top_half() sphere(r=20);
// top_half(cp=[0,0,-5]) sphere(r=20);
module top_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp) children(); down(s/2) cube(s, center=true);}
// top_half(cp=5) sphere(r=20);
// top_half(cp=[0,0,-8]) sphere(r=20);
module top_half(s=100, cp=[0,0,0])
{
dir = V_UP;
cp = is_scalar(cp)? cp*dir : cp;
translate(cp) difference() {
translate(-cp) children();
translate(-dir*s/2) cube(s, center=true);
}
}
@ -1886,13 +1896,21 @@ module top_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp) ch
// Slices an object at a horizontal X-Y cut plane, and masks away everything that is above it.
//
// Arguments:
// cp = A point that is on the cut plane. This can be used to shift where it slices the object at. Default: [0,0,0]
// cp = If given as a scalar, moves the cut plane down by the given amount. If given as a point, specifies a point on the cut plane. Default: [0,0,0]
// s = Mask size to use. Use a number larger than twice your object's largest axis. If you make this too large, it messes with centering your view. Default: 100
//
// Examples:
// bottom_half() sphere(r=20);
// bottom_half(cp=[0,0,10]) sphere(r=20);
module bottom_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp) children(); up(s/2) cube(s, center=true);}
module bottom_half(s=100, cp=[0,0,0])
{
dir = V_DOWN;
cp = is_scalar(cp)? cp*dir : cp;
translate(cp) difference() {
translate(-cp) children();
translate(-dir*s/2) cube(s, center=true);
}
}
@ -1905,13 +1923,21 @@ module bottom_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp)
// Slices an object at a vertical Y-Z cut plane, and masks away everything that is right of it.
//
// Arguments:
// cp = A point that is on the cut plane. This can be used to shift where it slices the object at. Default: [0,0,0]
// cp = If given as a scalar, moves the cut plane left by the given amount. If given as a point, specifies a point on the cut plane. Default: [0,0,0]
// s = Mask size to use. Use a number larger than twice your object's largest axis. If you make this too large, it messes with centering your view. Default: 100
//
// Examples:
// left_half() sphere(r=20);
// left_half(cp=[8,0,0]) sphere(r=20);
module left_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp) children(); right(s/2) cube(s, center=true);}
module left_half(s=100, cp=[0,0,0])
{
dir = V_LEFT;
cp = is_scalar(cp)? cp*dir : cp;
translate(cp) difference() {
translate(-cp) children();
translate(-dir*s/2) cube(s, center=true);
}
}
@ -1924,13 +1950,22 @@ module left_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp) c
// Slices an object at a vertical Y-Z cut plane, and masks away everything that is left of it.
//
// Arguments:
// cp = A point that is on the cut plane. This can be used to shift where it slices the object at. Default: [0,0,0]
// cp = If given as a scalar, moves the cut plane right by the given amount. If given as a point, specifies a point on the cut plane. Default: [0,0,0]
// s = Mask size to use. Use a number larger than twice your object's largest axis. If you make this too large, it messes with centering your view. Default: 100
//
// Examples(FlatSpin):
// right_half() sphere(r=20);
// right_half(cp=-5) sphere(r=20);
// right_half(cp=[-5,0,0]) sphere(r=20);
module right_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp) children(); left(s/2) cube(s, center=true);}
module right_half(s=100, cp=[0,0,0])
{
dir = V_RIGHT;
cp = is_scalar(cp)? cp*dir : cp;
translate(cp) difference() {
translate(-cp) children();
translate(-dir*s/2) cube(s, center=true);
}
}
@ -1943,13 +1978,22 @@ module right_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp)
// Slices an object at a vertical X-Z cut plane, and masks away everything that is behind it.
//
// Arguments:
// cp = A point that is on the cut plane. This can be used to shift where it slices the object at. Default: [0,0,0]
// cp = If given as a scalar, moves the cut plane forward by the given amount. If given as a point, specifies a point on the cut plane. Default: [0,0,0]
// s = Mask size to use. Use a number larger than twice your object's largest axis. If you make this too large, it messes with centering your view. Default: 100
//
// Examples(FlatSpin):
// front_half() sphere(r=20);
// front_half(cp=5) sphere(r=20);
// front_half(cp=[0,5,0]) sphere(r=20);
module front_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp) children(); back(s/2) cube(s, center=true);}
module front_half(s=100, cp=[0,0,0])
{
dir = V_FWD;
cp = is_scalar(cp)? cp*dir : cp;
translate(cp) difference() {
translate(-cp) children();
translate(-dir*s/2) cube(s, center=true);
}
}
@ -1962,13 +2006,22 @@ module front_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp)
// Slices an object at a vertical X-Z cut plane, and masks away everything that is in front of it.
//
// Arguments:
// cp = A point that is on the cut plane. This can be used to shift where it slices the object at. Default: [0,0,0]
// cp = If given as a scalar, moves the cut plane back by the given amount. If given as a point, specifies a point on the cut plane. Default: [0,0,0]
// s = Mask size to use. Use a number larger than twice your object's largest axis. If you make this too large, it messes with centering your view. Default: 100
//
// Examples:
// back_half() sphere(r=20);
// back_half(cp=8) sphere(r=20);
// back_half(cp=[0,-10,0]) sphere(r=20);
module back_half(s=100, cp=[0,0,0]) translate(cp) difference() {translate(-cp) children(); fwd(s/2) cube(s, center=true);}
module back_half(s=100, cp=[0,0,0])
{
dir = V_BACK;
cp = is_scalar(cp)? cp*dir : cp;
translate(cp) difference() {
translate(-cp) children();
translate(-dir*s/2) cube(s, center=true);
}
}