列车位置计算浮点数误差

rts-sim-testing-message

@@ -1 +1 @@
-Subproject commit 56e1948393aa51e0bf16d754292a211f348df161
+Subproject commit e4c55ea4b6f9f5f875d59fc5bba51fc21bc8ef97

src/graphics/train/Train.ts

@@ -637,9 +637,10 @@ export class Train extends JlGraphic {
     }
     const offset = this.states.headOffset / allLength; // 百分比偏移
     let offsetL = totalLength * offset;
+    // 0.01为保证浮点数计算误差
     const indexP = lengths.findIndex((l) => {
       offsetL -= l;
-      return offsetL <= 0;
+      return offsetL <= 0.001;
     });
     const startP = points[indexP];
     const endP = points[indexP + 1];