shorthand_editor/point.js at master · Wyess/shorthand_editor · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
function Point(x, y) {
  this.x = x;
  this.y = y;
}

Point.prototype.pmove = function(r, deg) {
  this.x += r * Math.cos(deg * Math.PI / 180);
  this.y += r * Math.sin(deg * Math.PI / 180);
  return this;
};

Point.prototype.move = function(dx, dy) {
  this.x += dx;
  this.y += dy;
  return this;
};

Point.prototype.add = function(pt) {
  this.x += pt.x;
  this.y += pt.y
  return this;
};

Point.prototype.scale = function(sx, sy) {
  this.x *= sx;
  if (typeof(sy) != 'undefined') {
    this.y *= sy
  }
  return this;
};

Point.prototype.set = function(x, y) {
  this.x = x;
  this.y = y;
  return this;
};

Point.prototype.pset = function(r, deg) {
  this.x = r * Math.cos(deg * Math.PI / 180);
  this.y = r * Math.sin(deg * Math.PI / 180);
  return this;
};

Point.prototype.toString = function() {
  return this.x + "," + this.y;
};

Point.prototype.m = function() {
  return "m" + this.x + "," + this.y;
};

p = function(x, y) {
  return new Point(x, y);
};

pp = function(r, deg) {
  return new Point(r * Math.cos(deg * Math.PI / 180), r * Math.sin(deg * Math.PI / 180));
};