change random to animationRandom

README.md

@@ -43,6 +43,7 @@ IE 9-11, Chrome, Firefox, other modern and mobile browsers.
 ```javascript
 // data's format
 // [{ coordinates : [[x, y], [x, y]], symbol : {..} }, { coordinates : [[x, y], [x, y]], symbol : {..} } ..]
+// symbol only supports lineWidth and lineColor
 new maptalks.ODLineLayer(id, data, options)
 ```
 
@@ -56,6 +57,7 @@ new maptalks.ODLineLayer(id, data, options)
     * curveness **Number** curveness of the od-line, from 0(straight) to 1  (0.2 by default)
     * trail **Number** trail length of the particle when animating (20 by default)
     * globalCompositeOperation **String** [globalCompositeOperation](https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/globalCompositeOperation) of the canvas when drawing particles
+    * symbol **Object** default symbol of OD-line, only supports lineWidth and lineColor ({ lineWidth : 2, lineColor : #000 } by default)
     * Other options defined in [maptalks.ParticleLayer](https://maptalks.github.io/docs/api/ParticleLayer.html)
 
 ### `getData()`

index.js

@@ -9,7 +9,7 @@ const options = {
     'animation'     : true,
     'animationOnce' : false,
     'animatinDuration' : 6000,
-    'random'        : false,
+    'animationRandom'        : false,
     'curveness'     : 0.2,
     'trail'         : 20,
     'globalCompositeOperation' : 'lighter'
@@ -71,7 +71,7 @@ export class ODLineLayer extends maptalks.ParticleLayer {
         let points, x, y, style;
         let p0, p1, cp;
         for (let i = 0, l = this._dataToDraw.length; i < l; i++) {
-            if (this.options['random']) {
+            if (this.options['animationRandom']) {
                 r = ((t - this._animStartTime - this._dataToDraw[i]['time']) % duration) / duration;
                 if (r < 0) {
                     r = 0;