fix: oscillation of marker line

Author: Kai-Z-JP

src/main/java/jp/ngt/rtm/rail/RenderMarkerBlock1122.java

@@ -389,7 +389,7 @@ private boolean changeAnchor(TileEntityMarker marker) {
             if (dx != 0.0D && dz != 0.0D) {
                 RailPosition neighborRP = getNeighborRail(marker);
                 float dirRad = (float) Math.atan2(dx, dz);
-                float length = (float) (dx / MathHelper.sin(dirRad));
+                float length = (float) (dx / Math.sin(dirRad));
                 float yaw = NGTMath.toDegrees(dirRad);
                 if (curElm == MarkerElement.HORIZONTIAL) {
                     if (neighborRP != null && marker.getState(MarkerState.FIT_NEIGHBOR)) {

src/main/java/jp/ngt/rtm/rail/RenderMarkerBlock1710.java

@@ -165,7 +165,7 @@ private void changeAnchor(TileEntityMarker tileEntity)//Minecraft.1518-this.obje
         double dz = vec3.zCoord - rp.posZ;
         if (dx != 0.0D && dz != 0.0D) {
             float dirRad = (float) Math.atan2(dx, dz);
-            float length = (float) (dx / MathHelper.sin(dirRad));
+            float length = (float) (dx / Math.sin(dirRad));
             float yaw = NGTMath.toDegrees(dirRad);
 
             if (curElm == MarkerElement.HORIZONTIAL) {