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optimised Vertices.translate

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liabru 2021-04-26 23:36:09 +01:00
parent e909b0466c
commit 792ae2ead4
1 changed files with 10 additions and 11 deletions
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21
src/geometry/Vertices.js
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@ -169,17 +169,16 @@ var Common = require('../core/Common');
* @param {number} scalar * @param {number} scalar
*/ */
Vertices.translate = function(vertices, vector, scalar) { Vertices.translate = function(vertices, vector, scalar) {
var i; scalar = typeof scalar !== 'undefined' ? scalar : 1;
if (scalar) {
for (i = 0; i < vertices.length; i++) { var verticesLength = vertices.length,
vertices[i].x += vector.x * scalar; translateX = vector.x * scalar,
vertices[i].y += vector.y * scalar; translateY = vector.y * scalar,
} i;
} else {
for (i = 0; i < vertices.length; i++) { for (i = 0; i < verticesLength; i++) {
vertices[i].x += vector.x; vertices[i].x += translateX;
vertices[i].y += vector.y; vertices[i].y += translateY;
}
} }
return vertices; return vertices;