BOSL2/examples/orientations.scad
2020-05-29 19:04:34 -07:00

80 lines
2.4 KiB
OpenSCAD

include <BOSL2/std.scad>
// Shows all the orientations on cubes in their correct rotations.
orientations = [
RIGHT, BACK, UP,
LEFT, FWD, DOWN,
];
axiscolors = ["red", "forestgreen", "dodgerblue"];
axisdiam = 0.5;
axislen = 12;
axislbllen = 15;
module orient_cube(ang) {
color("lightgray") cube(20, center=true);
color(axiscolors.x) up ((20-1)/2+0.01) back ((20-1)/2+0.01) cube([18,1,1], center=true);
color(axiscolors.y) up ((20-1)/2+0.01) right((20-1)/2+0.01) cube([1,18,1], center=true);
color(axiscolors.z) back((20-1)/2+0.01) right((20-1)/2+0.01) cube([1,1,18], center=true);
for (axis=[0:2], neg=[0:1]) {
idx = axis + 3*neg;
labels = [
"RIGHT", "BACK", "UP",
"LEFT", "FWD", "DOWN"
];
rot(ang, from=UP, to=orientations[idx]) {
up(10) {
back(4) color("black") text3d(text=str("spin=",ang), size=2.5);
fwd(2) color(axiscolors[axis]) text3d(text="orient=", size=2.5);
fwd(6) color(axiscolors[axis]) text3d(text=labels[idx], size=2.5);
}
}
}
}
module text3d(text, h=0.01, size=3) {
linear_extrude(height=h, convexity=10) {
text(text=text, size=size, valign="center", halign="center");
}
}
module dottedline(l, d) for(y = [0:d*3:l]) up(y) sphere(d=d);
module orient_cubes() {
// X axis
color(axiscolors[0]) {
yrot( 90) cylinder(h=axislen, d=axisdiam, center=false);
right(axislbllen) rot([90,0,0]) text3d(text="X+");
yrot(-90) dottedline(l=axislen, d=axisdiam);
left(axislbllen) rot([90,0,180]) text3d(text="X-");
}
// Y axis
color(axiscolors[1]) {
xrot(-90) cylinder(h=axislen, d=axisdiam, center=false);
back(axislbllen) rot([90,0,90]) text3d(text="Y+");
xrot( 90) dottedline(l=axislen, d=axisdiam);
fwd(axislbllen) rot([90,0,-90]) text3d(text="Y-");
}
// Z axis
color(axiscolors[2]) {
cylinder(h=axislen, d=axisdiam, center=false);
up(axislbllen) rot([0,-90,90+$vpr[2]]) text3d(text="Z+");
xrot(180) dottedline(l=axislen, d=axisdiam);
down(axislbllen) rot([0,90,-90+$vpr[2]]) text3d(text="Z-");
}
for (ang = [0:90:270]) {
off = rot(p=40*BACK,ang);
translate(off) {
orient_cube(ang);
}
}
}
orient_cubes();
// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap