add z split snapping and work translation caching

This commit is contained in:
Stewart Allen 2022-01-15 23:17:53 -05:00
commit 72d9469699
3 changed files with 66 additions and 16 deletions

View file

@ -145,30 +145,52 @@ let split = {
geo = new PlaneGeometry(1,1),
mat = new MeshPhongMaterial({
side: DoubleSide,
color: 0x999999,
color: 0x5555aa,
transparent: false,
opacity: 0.1
opacity: 0.5
})
);
space.scene.add(obj);
// hide until first hover
obj.visible = false;
// enable temp mode
let state = split.state = { button, obj };
let state = split.state = { button, obj, zlist:[] };
let models = state.models = api.selection.models();
let meshes = models.map(m => m.mesh);
// get z list for snapping
Promise.all(models.map(m => m.zlist(3))).then(zs => {
for (let z of zs.flat()) {
state.zlist.addOnce(z);
}
});
// for split and lay flat modes
space.mouse.onHover((int, event, ints) => {
let models = state.models = api.selection.models();
let meshes = models.map(m => m.mesh);
if (!event) {
return meshes;
}
obj.visible = false;
let { button, buttons } = event;
if (buttons) {
return;
}
let { dim, mid } = util.bounds(meshes);
let { x, y, z } = int.point;
// snap to zlist when shift pressed
let { zlist } = state;
mat.color.set(0x5555aa);
obj.visible = true;
if (event.shiftKey && zlist.length) {
for (let v of zlist) {
if (Math.abs(v - y) < 0.1) {
mat.color.set(0xaa5555);
y = v;
break;
}
}
}
// y is z in model space for the purposes of a split
state.plane = { z: y };
obj.scale.set(dim.x, dim.y, 1);
obj.scale.set(dim.x + 2, dim.y + 2, 1);
obj.position.set(mid.x, y, -mid.y);
});
temp_mode = split;
@ -176,9 +198,9 @@ let split = {
select() {
let { log } = mesh.api;
let { models, plane } = split.state;
let { models, plane, zlist } = split.state;
log.emit(`splitting ${models.length} model(s) at ${plane.z.round(3)}`).pin();
Promise.all(models.map(m => m.split(plane))).then(() => {
Promise.all(models.map(m => m.split(plane))).then(models => {
log.emit('split complete').unpin();
split.end();
});