diff --git a/Ops.Extension.GlParticles/Ops.Extension.GlParticles.Dev.VelocityArea_v5/Ops.Extension.GlParticles.Dev.VelocityArea_v5.js b/Ops.Extension.GlParticles/Ops.Extension.GlParticles.Dev.VelocityArea_v5/Ops.Extension.GlParticles.Dev.VelocityArea_v5.js
index faf9447..a27bd49 100644
--- a/Ops.Extension.GlParticles/Ops.Extension.GlParticles.Dev.VelocityArea_v5/Ops.Extension.GlParticles.Dev.VelocityArea_v5.js
+++ b/Ops.Extension.GlParticles/Ops.Extension.GlParticles.Dev.VelocityArea_v5/Ops.Extension.GlParticles.Dev.VelocityArea_v5.js
@@ -1,7 +1,7 @@
 const
     render = op.inTrigger("Render"),
     inArea = op.inValueSelect("Area", ["Everywhere", "Sphere", "Box"], "Everywhere"),
-    inMethod = op.inValueSelect("Method", ["Point", "Direction", "Collision", "Rotate"], "Point"),
+    inMethod = op.inValueSelect("Method", ["Point", "Direction", "Collision", "Rotate","Vortex"], "Point"),
     inInvArea = op.inBool("Invert Area", false),
     inStrength = op.inFloat("Strength", 1),
     inSize = op.inFloat("Size", 1),
@@ -115,6 +115,7 @@ function updateDefines()
         velAreaSys.bgShader.toggleDefine("METHOD_DIR", inMethod.get() == "Direction");
         velAreaSys.bgShader.toggleDefine("METHOD_COLLISION", inMethod.get() == "Collision");
         velAreaSys.bgShader.toggleDefine("METHOD_ROTATE", inMethod.get() == "Rotate");
+        velAreaSys.bgShader.toggleDefine("METHOD_VORTEX", inMethod.get() == "Vortex");
 
         velAreaSys.bgShader.toggleDefine("HAS_TEX_MUL", inTexMultiply.isLinked());
         velAreaSys.bgShader.toggleDefine("INVERT_SHAPE", inInvArea.get());
diff --git a/Ops.Extension.GlParticles/Ops.Extension.GlParticles.Dev.VelocityArea_v5/att_velocityarea.frag b/Ops.Extension.GlParticles/Ops.Extension.GlParticles.Dev.VelocityArea_v5/att_velocityarea.frag
index 53f1e99..52f65e0 100644
--- a/Ops.Extension.GlParticles/Ops.Extension.GlParticles.Dev.VelocityArea_v5/att_velocityarea.frag
+++ b/Ops.Extension.GlParticles/Ops.Extension.GlParticles.Dev.VelocityArea_v5/att_velocityarea.frag
@@ -136,6 +136,19 @@ void main()
 
 
 
+    #ifdef METHOD_VORTEX
+        // if(length(direction)>0.0)
+        //     col.xyz+=normalize(direction)*finalStrength3;
+
+        vec3 np= vec3( -(pos.xyz+areaPos).y, (pos.xyz+areaPos).x ,(pos.xyz+areaPos).z) / dot(pos.xyz,pos.xyz);      // field around a vortex
+
+        col.xyz+=(pos.xyz-np)*strength;
+
+    #endif
+
+
+
+
     #ifdef METHOD_POINT
         col.xyz+=normalize(pos.xyz-areaPos)*finalStrength3;
     #endif