small adjustment

demos/indexChiral.html

@@ -181,7 +181,7 @@
                         //     edge.color=edge.stresses[count]
                         // });
                     });
-                    Graph.linkColor(({ stresses }) => stresses[count]);
+                    // Graph.linkColor(({ stresses }) => stresses[count]);
 
 
                     // count++;

julia/examples/rover.jl

@@ -185,6 +185,34 @@ function externalForce(currentTimeStep,N_position,N_force)
     return N_force
 end
 
+function externalForce(currentTimeStep,N_position,N_force)
+    if(convert(Float64,N_force.z)>0.0)
+        pi=3.14159265359
+
+        a0=0.1;
+        f=5.0/10000.0;
+        t=currentTimeStep;
+
+        ampZ=0.0;
+
+        z= a0* CUDAnative.cos(2.0*3.14159265359*(f*t+ampZ))
+
+        ampY=0.25;
+        
+        y= a0* CUDAnative.sin(2.0*3.14159265359*(f*t+ampY))
+
+        if(convert(Float64,N_force.z)>1.5)
+            z=-z
+            y=-y
+        end
+
+        return Vector3(0.0,y,z)
+    else
+        return Vector3(0.0,0.0,0.0)
+    end
+
+end
+
 function externalForce(currentTimeStep,N_position,N_force)
     if(convert(Float64,N_force.z)>0.0)
         pi=3.14159265359
@@ -224,6 +252,8 @@ function externalForce(currentTimeStep,N_position,N_force)
 
 end
 
+
+
 function updateTemperature(currentRestLength,currentTimeStep,mat)
     return currentRestLength
 end
\ No newline at end of file