307 lines
8.8 KiB
JavaScript
307 lines
8.8 KiB
JavaScript
/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
|
|
|
|
// WORKER BACK END ANIMATION CODE for 2D
|
|
|
|
import { Tool } from './tool.js';
|
|
|
|
const asPoints = false;
|
|
const asLines = false;
|
|
|
|
let stock, center, grid, gridX, gridY, rez;
|
|
let path, pathIndex, tool, tools, last, toolID = 1;
|
|
|
|
export function init(worker) {
|
|
const { dispatch } = worker;
|
|
|
|
dispatch.animate_setup = function(data, send) {
|
|
const { settings } = data;
|
|
const { process } = settings;
|
|
const print = worker.current.print;
|
|
const density = parseInt(settings.controller.animesh) * 1000;
|
|
|
|
pathIndex = 0;
|
|
path = print.output.flat();
|
|
tools = settings.tools;
|
|
stock = settings.stock;
|
|
rez = 1/Math.sqrt(density/(stock.x * stock.y));
|
|
|
|
// destructure arcs into path points
|
|
path = path.map(o =>
|
|
o.arcPoints ? [ ...o.arcPoints.map(point => ({ ...o, point })), o ] : [ o ]
|
|
).flat();
|
|
|
|
const step = rez;
|
|
const stepsX = Math.floor(stock.x / step);
|
|
const stepsY = Math.floor(stock.y / step);
|
|
const { pos, ind, sab } = createGrid(stepsX, stepsY, stock, step, true);
|
|
const offset = {
|
|
x: process.camOriginCenter ? 0 : stock.x / 2,
|
|
y: process.camOriginCenter ? 0 : stock.y / 2,
|
|
z: process.camOriginTop ? -stock.z : 0
|
|
}
|
|
|
|
grid = pos;
|
|
gridX = stepsX;
|
|
gridY = stepsY;
|
|
|
|
tool = null;
|
|
last = null;
|
|
animating = false;
|
|
animateClear = false;
|
|
|
|
center = Object.assign({}, stock.center);
|
|
center.z -= stock.z / 2;
|
|
|
|
send.data({ mesh_add: { id: 0, ind, offset, sab } }, [ ]); // sab not transferrable
|
|
send.data({ mesh_move: { id: 0, pos: center } });
|
|
send.done();
|
|
};
|
|
|
|
dispatch.animate = function(data, send) {
|
|
renderPause = data.pause || renderPause;
|
|
renderSpeed = data.speed || 0;
|
|
if (animating) {
|
|
return send.done();
|
|
}
|
|
renderSteps = data.steps || 1;
|
|
renderDone = false;
|
|
animating = renderSpeed > 0;
|
|
renderPath(send);
|
|
};
|
|
|
|
dispatch.animate_cleanup = function(data, send) {
|
|
if (animating) {
|
|
animateClear = true;
|
|
}
|
|
};
|
|
}
|
|
|
|
function createGrid(stepsX, stepsY, size, step, stock) {
|
|
const gridPoints = stepsX * stepsY;
|
|
const sab = new SharedArrayBuffer(gridPoints * 3 * 4)
|
|
const pos = new Float32Array(sab);
|
|
const ind = [];
|
|
const ox = size.x / 2;
|
|
const oy = size.y / 2;
|
|
let ex = stepsX - 1;
|
|
let ey = stepsY - 1;
|
|
|
|
// initialize grid points
|
|
for (let x=0, ai=0; x<stepsX; x++) {
|
|
for (let y=0; y<stepsY; y++) {
|
|
let px = pos[ai++] = x * step - ox + step / 2;
|
|
let py = pos[ai++] = y * step - oy + step / 2;
|
|
pos[ai++] = stock && (x * y === 0 || x === ex || y === ey) ? 0 : size.z;
|
|
if (asPoints) {
|
|
continue;
|
|
}
|
|
if (asLines) {
|
|
if (y > 0) ind.appendAll([
|
|
(stepsY * x) + (y - 1),
|
|
(stepsY * x) + (y )
|
|
]);
|
|
if (x > 0) ind.appendAll([
|
|
(stepsY * (x - 1)) + y,
|
|
(stepsY * (x )) + y
|
|
]);
|
|
} else {
|
|
if (x > 0 && y > 0) {
|
|
let v0 = stepsY * (x - 1) + y - 1;
|
|
let v1 = stepsY * (x - 0) + y - 1;
|
|
let v2 = stepsY * (x - 0) + y;
|
|
let v3 = stepsY * (x - 1) + y;
|
|
ind.appendAll([
|
|
v0, v1, v2, v0, v2, v3
|
|
]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return { pos, ind, sab };
|
|
}
|
|
|
|
let animateClear = false;
|
|
let animating = false;
|
|
let renderDist = 0;
|
|
let renderDone = false;
|
|
let renderPause = 10;
|
|
let renderSteps = 0;
|
|
let renderSpeed = 0;
|
|
let skipMove = null;
|
|
let toolUpdate;
|
|
let depth = 0;
|
|
|
|
// send latest tool position and progress bar
|
|
function renderUpdate(send) {
|
|
if (toolUpdate) {
|
|
send.data(toolUpdate);
|
|
}
|
|
send.data({ progress: pathIndex / path.length, id: 0, mesh_update: 1 });
|
|
}
|
|
|
|
function renderPath(send) {
|
|
if (renderDone) {
|
|
return;
|
|
}
|
|
|
|
if (renderSteps-- === 0) {
|
|
animating = false;
|
|
renderPath(send);
|
|
return;
|
|
}
|
|
|
|
if (animating === false || animateClear || renderSpeed === 0) {
|
|
renderUpdate(send);
|
|
renderDone = true;
|
|
animating = false;
|
|
animateClear = false;
|
|
send.done();
|
|
return;
|
|
}
|
|
|
|
let next = path[pathIndex];
|
|
while (next && next.type === 'laser') {
|
|
last = next;
|
|
next = path[++pathIndex];
|
|
}
|
|
|
|
if (!next) {
|
|
animating = false;
|
|
renderPath(send);
|
|
return;
|
|
}
|
|
pathIndex++;
|
|
|
|
const firstTool = !tool && next.tool;
|
|
const toolChange = !firstTool && (tool.getID() !== next.tool.getID());
|
|
if (firstTool || toolChange) {
|
|
// on real tool change, go to safe Z first
|
|
if (tool && last.point) {
|
|
let pos = last.point = {
|
|
x: last.point.x,
|
|
y: last.point.y,
|
|
z: stock.z
|
|
};
|
|
send.data({ mesh_move: { toolID, pos }});
|
|
}
|
|
updateTool(next.tool, send);
|
|
}
|
|
|
|
const id = toolID;
|
|
const rezstep = rez;
|
|
if (last) {
|
|
const lp = last.point, np = next.point;
|
|
last = next;
|
|
// dwell ops have no point
|
|
if (!np || !lp) {
|
|
return renderPath(send);
|
|
}
|
|
const dx = np.x - lp.x, dy = np.y - lp.y, dz = np.z - lp.z;
|
|
const dist = Math.sqrt(dx*dx + dy*dy + dz*dz);
|
|
renderDist += dist;
|
|
|
|
// skip moves that are less than grid resolution
|
|
if (renderDist < rezstep) {
|
|
renderPath(send);
|
|
return;
|
|
}
|
|
|
|
const md = Math.max(Math.abs(dx), Math.abs(dy), Math.abs(dz));
|
|
const st = Math.ceil(md / rezstep);
|
|
const mx = dx / st, my = dy / st, mz = dz / st;
|
|
const moves = [];
|
|
for (let i=0, x=lp.x, y=lp.y, z=lp.z; i<st; i++) {
|
|
moves.push({x,y,z});
|
|
x += mx;
|
|
y += my;
|
|
z += mz;
|
|
}
|
|
moves.push(next.point);
|
|
renderMoves(id, moves, send);
|
|
} else {
|
|
last = next;
|
|
if (tool) {
|
|
tool.pos = next.point;
|
|
toolUpdate = { mesh_move: { id, pos: next.point }};
|
|
}
|
|
renderPath(send);
|
|
}
|
|
}
|
|
|
|
function renderMoves(id, moves, send, seed = 0) {
|
|
for (let index = seed; index<moves.length; index++) {
|
|
const pos = moves[index];
|
|
if (!pos) {
|
|
throw `no pos @ ${index} of ${moves.length}`;
|
|
}
|
|
tool.pos = pos;
|
|
deformMesh(pos, send);
|
|
toolUpdate = { mesh_move: { id, pos }};
|
|
// pause renderer at specified offsets
|
|
if ((renderSpeed && renderDist >= renderSpeed) || (depth > 600)) {
|
|
renderDist = depth = 0;
|
|
renderUpdate(send);
|
|
setTimeout(() => {
|
|
renderMoves(id, moves, send, index);
|
|
}, renderPause);
|
|
return;
|
|
}
|
|
}
|
|
depth++;
|
|
renderPath(send);
|
|
}
|
|
|
|
// update stock mesh to reflect tool tip geometry at given XYZ position
|
|
function deformMesh(pos, send) {
|
|
const prof = tool.profile;
|
|
const { size, pix } = tool.profileDim;
|
|
const mid = Math.floor(pix / 2);
|
|
const rx = Math.floor((pos.x + stock.x / 2 - size / 2 - center.x) / rez);
|
|
const ry = Math.floor((pos.y + stock.y / 2 - size / 2 - center.y) / rez);
|
|
let upos = 0;
|
|
// deform mesh to lowest point on tool profile
|
|
for (let i=0, il=prof.length; i < il; ) {
|
|
const dx = mid + prof[i++];
|
|
const dy = mid + prof[i++];
|
|
const dz = prof[i++];
|
|
const gx = rx + dx;
|
|
const gy = ry + dy;
|
|
|
|
if (gx < 0|| gy < 0 || gx > gridX-1 || gy > gridY-1) {
|
|
continue;
|
|
}
|
|
|
|
const gi = gx * gridY + gy;
|
|
const iz = gi * 3 + 2;
|
|
const cz = grid[iz];
|
|
const tz = tool.pos.z - dz;
|
|
if (tz < cz) {
|
|
upos++;
|
|
grid[iz] = tz;
|
|
}
|
|
}
|
|
}
|
|
|
|
function updateTool(toolobj, send) {
|
|
if (tool) {
|
|
send.data({ mesh_del: toolID });
|
|
}
|
|
tool = new Tool({ tools }, toolobj.getID());
|
|
tool.generateProfile(rez);
|
|
const flen = tool.fluteLength() || 15;
|
|
const slen = tool.shaftLength() || 15;
|
|
// const frad = tool.fluteDiameter() / 2;
|
|
const prof = tool.profile;
|
|
const { size, pix } = tool.profileDim;
|
|
const { pos, ind, sab } = createGrid(pix, pix, {x:size, y:size, z:flen+slen}, rez);
|
|
const mid = Math.floor(pix/2);
|
|
// deform mesh to fit tool profile
|
|
for (let i=0, il=prof.length; i < il; ) {
|
|
const dx = mid + prof[i++];
|
|
const dy = mid + prof[i++];
|
|
const dz = prof[i++];
|
|
pos[(dx * pix + dy) * 3 + 2] = -dz;
|
|
}
|
|
send.data({ mesh_add: { id:++toolID, ind, sab }});
|
|
}
|