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arcs support for 3d editor

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This commit is contained in:
Val Erastov 2015-08-24 17:55:38 -07:00
parent ae2d4fbe37
commit 499330e783
1 changed files with 35 additions and 0 deletions
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35
web/app/workbench.js
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@ -14,6 +14,12 @@ TCAD.workbench.readSketchGeom = function(sketch) {
obj.points[1][1][1], obj.points[1][2][1] //x,y
]);
} else if (obj._class === 'TCAD.TWO.Arc') {
out.lines.push.apply(out.lines, TCAD.workbench.integrate(
[obj.points[0][1][1], obj.points[0][2][1]],
[obj.points[1][1][1], obj.points[1][2][1]],
[obj.points[2][1][1], obj.points[2][2][1]],
20
));
} else if (obj._class === 'TCAD.TWO.Circle') {
}
}
@ -22,6 +28,35 @@ TCAD.workbench.readSketchGeom = function(sketch) {
return out;
};
TCAD.workbench.integrate = function(_a, _b, _c, k) {
var ao = new TCAD.Vector(_a[0], _a[1], 0);
var bo = new TCAD.Vector(_b[0], _b[1], 0);
var c = new TCAD.Vector(_c[0], _c[1], 0);
var a = ao.minus(c);
var b = bo.minus(c);
var points = [[ao.x, ao.y]];
var abAngle = Math.atan2(b.y, b.x) - Math.atan2(a.y, a.x);
if (abAngle > Math.PI * 2) abAngle = Math.PI / 2 - abAngle;
if (abAngle < 0) abAngle = Math.PI * 2 + abAngle;
var r = a.length();
var step = abAngle / k;
var angle = Math.atan2(a.y, a.x) + step;
for (var i = 0; i < k - 2; ++i) {
points.push([c.x + r*Math.cos(angle), c.y + r*Math.sin(angle)]);
angle += step;
}
points.push([bo.x, bo.y]);
var lines = [];
for (var i = 0; i < points.length - 1; i++) {
var p1 = points[i];
var p2 = points[i + 1];
lines.push([p1[0], p1[1], p2[0], p2[1]]);
}
return lines;
};
TCAD.workbench.serializeSolid = function(solid) {
data = {};
data.faceCounter = TCAD.geom.FACE_COUNTER;