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Changed cp args in _half() moduled to x, y, or z.
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Revar Desmera
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@ -1723,29 +1723,28 @@ module half_of(v=UP, cp=[0,0,0], s=100, planar=false)
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// Module: left_half()
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//
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// Usage:
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// left_half([cp], [s]) ...
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// left_half([s], [x]) ...
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// left_half(planar=true, [s], [x]) ...
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//
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// Description:
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// Slices an object at a vertical Y-Z cut plane, and masks away everything that is right of it.
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//
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// Arguments:
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// 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. NOTE: a `cp` of 5 is equivalent to a `cp` of `[-5,0,0]`, *not* `[5,0,0]`! Default: [0,0,0]
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// 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
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// x = The X coordinate of the cut-plane. Default: 0
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// planar = If true, this becomes a 2D operation.
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//
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// Examples:
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// left_half() sphere(r=20);
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// left_half(cp=-8) sphere(r=20);
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// left_half(cp=[8,0,0]) sphere(r=20);
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// left_half(x=-8) sphere(r=20);
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// Example(2D):
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// left_half(planar=true) circle(r=20);
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module left_half(s=100, cp=[0,0,0], planar=false)
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module left_half(s=100, x=0, planar=false)
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{
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dir = LEFT;
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cp = is_num(cp)? cp*dir : cp;
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difference() {
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children();
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translate(cp-dir*s/2) {
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translate([x,0,0]-dir*s/2) {
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if (planar) {
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square(s, center=true);
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} else {
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@ -1760,29 +1759,28 @@ module left_half(s=100, cp=[0,0,0], planar=false)
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// Module: right_half()
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//
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// Usage:
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// right_half([cp], [s]) ...
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// right_half([s], [x]) ...
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// right_half(planar=true, [s], [x]) ...
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//
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// Description:
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// Slices an object at a vertical Y-Z cut plane, and masks away everything that is left of it.
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//
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// Arguments:
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// 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]
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// 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
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// x = The X coordinate of the cut-plane. Default: 0
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// planar = If true, this becomes a 2D operation.
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//
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// Examples(FlatSpin):
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// right_half() sphere(r=20);
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// right_half(cp=-5) sphere(r=20);
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// right_half(cp=[-5,0,0]) sphere(r=20);
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// right_half(x=-5) sphere(r=20);
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// Example(2D):
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// right_half(planar=true) circle(r=20);
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module right_half(s=100, cp=[0,0,0], planar=false)
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module right_half(s=100, x=0, planar=false)
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{
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dir = RIGHT;
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cp = is_num(cp)? cp*dir : cp;
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difference() {
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children();
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translate(cp-dir*s/2) {
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translate([x,0,0]-dir*s/2) {
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if (planar) {
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square(s, center=true);
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} else {
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@ -1797,29 +1795,28 @@ module right_half(s=100, cp=[0,0,0], planar=false)
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// Module: front_half()
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//
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// Usage:
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// front_half([cp], [s]) ...
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// front_half([s], [y]) ...
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// front_half(planar=true, [s], [y]) ...
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//
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// Description:
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// Slices an object at a vertical X-Z cut plane, and masks away everything that is behind it.
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//
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// Arguments:
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// 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. NOTE: a `cp` of 5 is equivalent to a `cp` of `[0,-5,0]`, *not* `[0,5,0]`! Default: [0,0,0]
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// 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
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// y = The Y coordinate of the cut-plane. Default: 0
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// planar = If true, this becomes a 2D operation.
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//
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// Examples(FlatSpin):
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// front_half() sphere(r=20);
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// front_half(cp=5) sphere(r=20);
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// front_half(cp=[0,5,0]) sphere(r=20);
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// front_half(y=5) sphere(r=20);
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// Example(2D):
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// front_half(planar=true) circle(r=20);
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module front_half(s=100, cp=[0,0,0], planar=false)
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module front_half(s=100, y=0, planar=false)
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{
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dir = FWD;
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cp = is_num(cp)? cp*dir : cp;
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difference() {
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children();
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translate(cp-dir*s/2) {
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translate([0,y,0]-dir*s/2) {
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if (planar) {
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square(s, center=true);
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} else {
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@ -1834,29 +1831,28 @@ module front_half(s=100, cp=[0,0,0], planar=false)
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// Module: back_half()
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//
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// Usage:
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// back_half([cp], [s]) ...
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// back_half([s], [y]) ...
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// back_half(planar=true, [s], [y]) ...
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//
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// Description:
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// Slices an object at a vertical X-Z cut plane, and masks away everything that is in front of it.
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//
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// Arguments:
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// 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]
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// 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
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// y = The Y coordinate of the cut-plane. Default: 0
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// planar = If true, this becomes a 2D operation.
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//
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// Examples:
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// back_half() sphere(r=20);
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// back_half(cp=8) sphere(r=20);
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// back_half(cp=[0,-10,0]) sphere(r=20);
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// back_half(y=8) sphere(r=20);
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// Example(2D):
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// back_half(planar=true) circle(r=20);
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module back_half(s=100, cp=[0,0,0], planar=false)
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module back_half(s=100, y=0, planar=false)
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{
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dir = BACK;
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cp = is_num(cp)? cp*dir : cp;
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difference() {
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children();
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translate(cp-dir*s/2) {
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translate([0,y,0]-dir*s/2) {
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if (planar) {
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square(s, center=true);
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} else {
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@ -1871,36 +1867,27 @@ module back_half(s=100, cp=[0,0,0], planar=false)
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// Module: bottom_half()
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//
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// Usage:
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// bottom_half([cp], [s]) ...
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// bottom_half([s], [z]) ...
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//
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// Description:
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// Slices an object at a horizontal X-Y cut plane, and masks away everything that is above it.
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//
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// Arguments:
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// 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. NOTE: a `cp` of 5 is equivalent to a `cp` of `[0,0,-5]`, *not* `[0,0,5]`! Default: [0,0,0]
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// 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
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// planar = If true, this becomes equivalent to a planar `front_half()`.
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// z = The Z coordinate of the cut-plane. Default: 0
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//
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// Examples:
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// bottom_half() sphere(r=20);
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// bottom_half(cp=-10) sphere(r=20);
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// bottom_half(cp=[0,0,10]) sphere(r=20);
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// Example(2D):
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// bottom_half(planar=true) circle(r=20);
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module bottom_half(s=100, cp=[0,0,0], planar=false)
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// bottom_half(z=-10) sphere(r=20);
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module bottom_half(s=100, z=0)
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{
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dir = planar? FWD : DOWN;
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cp = is_num(cp)? cp*dir : cp;
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dir = DOWN;
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difference() {
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children();
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translate(cp-dir*s/2) {
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if (planar) {
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square(s, center=true);
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} else {
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translate([0,0,z]-dir*s/2) {
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cube(s, center=true);
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}
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}
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}
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}
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@ -1908,36 +1895,27 @@ module bottom_half(s=100, cp=[0,0,0], planar=false)
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// Module: top_half()
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//
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// Usage:
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// top_half([cp], [s]) ...
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// top_half([s], [z]) ...
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//
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// Description:
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// Slices an object at a horizontal X-Y cut plane, and masks away everything that is below it.
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//
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// Arguments:
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// 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]
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// 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
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// planar = If true, this becomes equivalent to a planar `back_half()`.
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// z = The Z coordinate of the cut-plane. Default: 0
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//
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// Examples(Spin):
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// top_half() sphere(r=20);
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// top_half(cp=5) sphere(r=20);
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// top_half(cp=[0,0,-8]) sphere(r=20);
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// Example(2D):
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// top_half(planar=true) circle(r=20);
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module top_half(s=100, cp=[0,0,0], planar=false)
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// top_half(z=5) sphere(r=20);
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module top_half(s=100, z=0)
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{
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dir = planar? BACK : UP;
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cp = is_num(cp)? cp*dir : cp;
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dir = UP;
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difference() {
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children();
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translate(cp-dir*s/2) {
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if (planar) {
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square(s, center=true);
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} else {
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translate([0,0,z]-dir*s/2) {
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cube(s, center=true);
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}
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}
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}
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}
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