115 lines
2.7 KiB
OpenSCAD
115 lines
2.7 KiB
OpenSCAD
// array functions
|
|
// by david powell
|
|
// licence LGPL V2 or later
|
|
//
|
|
// this lib provides 2 functions
|
|
// Cubic_Array() , and Radial_Array()
|
|
//
|
|
//Cubic_Array(sx,sy,sz,nx,ny,nz,center){childobject}
|
|
// produces a cubic grid of child objects
|
|
// sx,sy,sz = spacing for each axis
|
|
// nx,ny,nz and number of objects on each axis
|
|
// center = true/false on if geometery is centered or not
|
|
//
|
|
//
|
|
//Radial_Array(a,n,r){child object}
|
|
// produces a clockwise radial array of child objects rotated around the local z axis
|
|
// a= interval angle
|
|
// n= number of objects
|
|
// r= radius distance
|
|
//
|
|
// remove // from following line to run test
|
|
//Cubic_and_Radial_Array_Test();
|
|
|
|
module Cubic_and_Radial_Array_Test()
|
|
{
|
|
//center referance point
|
|
translate([0,0,0])
|
|
#cube([5,5,5],center=true);
|
|
|
|
//cubic array of 5*5*5 objects spaced 10*10*10 center relative
|
|
Cubic_Array(10,10,10,5,5,5,center=true)
|
|
{
|
|
sphere(2.5,$fn=60);
|
|
cylinder(h=10,r=.5,center=true);
|
|
rotate([90,0,0])
|
|
cylinder(h=10,r=.5,center=true);
|
|
rotate([0,90,0])
|
|
cylinder(h=10,r=.5,center=true);
|
|
}
|
|
|
|
//a linear array allong x can be derived from the cubic array simply
|
|
translate([60,0,0])
|
|
Cubic_Array(10,0,0,5,1,1,center=false)
|
|
{
|
|
cube([5,5,5],center=true);
|
|
}
|
|
//a linear array allong y can be derived from the cubic array simply
|
|
translate([0,60,0])
|
|
Cubic_Array(0,10,0,1,5,1,center=false)
|
|
{
|
|
cube([5,5,5],center=true);
|
|
}
|
|
|
|
//a linear array allong z can be derived from the cubic array simply
|
|
translate([0,0,60])
|
|
Cubic_Array(0,0,10,1,1,5,center=false)
|
|
{
|
|
cube([5,5,5],center=true);
|
|
}
|
|
|
|
//a grid array allong x,y can be derived from the cubic array simply
|
|
translate([0,0,-60])
|
|
Cubic_Array(10,10,0,5,5,1,center=true)
|
|
{
|
|
cube([5,5,5],center=true);
|
|
}
|
|
|
|
//radial array of 32 objects rotated though 10 degrees
|
|
translate([0,0,0])
|
|
Radial_Array(10,32,40)
|
|
{
|
|
cube([2,4,6],center=true);
|
|
}
|
|
|
|
// a radial array of linear arrays
|
|
|
|
rotate([45,45,45])
|
|
Radial_Array(10,36,40)
|
|
{
|
|
translate([0,10,0])
|
|
Cubic_Array(0,10,0,1,5,1,center=false)
|
|
{
|
|
cube([2,3,4],center=true);
|
|
cylinder(h=10,r=.5,center=true);
|
|
rotate([90,0,0])
|
|
cylinder(h=10,r=.5,center=true);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
// main lib modules
|
|
module Cubic_Array(sx,sy,sz,nx,ny,nz,center) {
|
|
offset = center ? [-(((nx+1)*sx)/2),-(((ny+1)*sy)/2),-(((nz+1)*sz)/2)] : [0,0,0];
|
|
translate(offset)
|
|
for(x=[1:nx], y=[1:ny], z=[1:nz])
|
|
translate([x*sx,y*sy,z*sz])
|
|
children();
|
|
}
|
|
|
|
//
|
|
//Radial_Array(a,n,r){child object}
|
|
// produces a clockwise radial array of child objects rotated around the local z axis
|
|
// a= interval angle
|
|
// n= number of objects
|
|
// r= radius distance
|
|
//
|
|
module Radial_Array(a,n,r){
|
|
for (k=[0:n-1])
|
|
rotate([0,0,-(a*k)])
|
|
translate([0,r,0])
|
|
children();
|
|
}
|