/* 79-character width
012345678.012345678.012345678.012345678.012345678.012345678.012345678.012345678
*/
///////////////////////////////////////////////////////////////////////////////
// LibFile: gridstack.scad
// FileGroup: CSGPATTERS
// FileSummary: Grid formed by stacked lines
//
//                                                                     DETAILS:
// Weaker than fully meshed grids, but also faster to print and lighter
// Todo: NONE
///////////////////////////////////////////////////////////////////////////////
include <BOSL2/std.scad>

include <sgc_params.scad>

lw = 2*nW; // line width
lh = LH+10; // layer height

// these MUST be the cavity size
gridX=4.8; 
gridY=7.4;

// these ARE the number of cavities
xCount=15;
yCount=26;

// these MUST be the calculated dimensions
xw = (gridX*xCount)+((lw+1)*xCount)-lw; // X width
yw = (gridY*yCount)+((lw+1)*yCount)-lw; // Y width
yj = (2*gridY)+(0.5*lw); // jump by this amount

hc = 3; //height count = height of stack


li = 10+VOID; // lead-in line on the Y

*base_shape(liY=li);
module base_shape(liY) {
  difference() {
    cuboid([xw+liY, yw, lh]);
    translate([(0.5*(xw+liY))-(0.5*liY), lw, 0]) cuboid([li+VOID, yw, lh+VOID]); }
}

*void_block_odd(liY=li); // backup
/*
module void_block_odd(liY) {
oddStart = 0;
    
    difference() {
    base_shape(liY=li);
    translate([-((0.5*liY)-lw), -((0.5*yw)-(0.5*gridY)-(lw)), 0]) cuboid([xw, gridY, lh+VOID]); }
} */

void_block_odd(liY=li);
module void_block_odd(liY) {
oddJump = ((0.5*yw)-(0.5*gridY)-(lw));
    for (i = [0:(xCount-1)]) {
    difference() {
    base_shape(liY=li);
    translate([-((0.5*liY)-lw), oddJump-(yj*i), 0]) #cuboid([xw, gridY, lh+VOID]); }
}}

*void_block_even(liY=li);
module void_block_even(liY) {
evenStart = 0;
    difference() {
    base_shape(liY=li);
    translate([-((0.5*liY)-lw), -((0.5*yw)-(0.5*gridY)-(lw)), 0]) cuboid([xw, gridY, lh+VOID]); }
}