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Vector2.setToPolar implemented.

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This commit is contained in:
Richard Davey 2017-11-09 15:30:33 +00:00
parent 3c91bbf236
commit 08a2c1f544
1 changed files with 13 additions and 0 deletions
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13
v3/src/math/Vector2.js
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@ -54,6 +54,19 @@ var Vector2 = new Class({
return this;
},
// Sets the `x` and `y` values of this object from a given polar coordinate.
// @param {number} azimuth - The angular coordinate, in radians.
// @param {number} [radius=1] - The radial coordinate (length).
setToPolar: function (azimuth, radius)
{
if (radius == null) { radius = 1; }
this.x = Math.cos(azimuth) * radius;
this.y = Math.sin(azimuth) * radius;
return this;
},
equals: function (v)
{
return ((this.x === v.x) && (this.y === v.y));