修改间距大值 缓冲区bug

src/Tools/index.js

@@ -555,6 +555,7 @@ class Tools {
           // dashSize: newParam.dashSize,
           space: newParam.space
         })
+        console.log(newParam.space)
         break
       case 6: //流动虚线2
         material = new Cesium.FlowDashedLineFlowMaterialProperty({
@@ -595,19 +596,20 @@ class Tools {
     // myImg.src = that.getSourceRootPath() + '/img/arrow/1.png'
     myImg.src = options.image
     myImg.onload = function () {
+      options.space = Math.max(0.1, options.space);
       if (options.speed > 0 || options.speed == 0) {
         canvasEle.width = myImg.width * (options.space + 1)
         canvasEle.height = myImg.height
         ctx.drawImage(myImg, myImg.width * (options.space / 2), 0)
       } else {
         ctx.clearRect(0, 0, canvasEle.width, canvasEle.height);
-        ctx.save(); // 保存当前状态
         canvasEle.width = myImg.width * (options.space + 1)
         canvasEle.height = myImg.height
+        ctx.save(); // 保存当前状态
         ctx.translate(canvasEle.width / 2, canvasEle.height / 2); // 移动原点至中心
         ctx.rotate(Math.PI); // （弧度制）
         ctx.translate(-canvasEle.width / 2, -canvasEle.height / 2); // 移回原点
-        ctx.drawImage(myImg, -myImg.width * (options.space / 2), 0)
+        ctx.drawImage(myImg, myImg.width * (options.space / 2), 0)
         ctx.restore(); // 恢复状态
       }