ripples frame system

src/VFX.cs

@@ -98,6 +98,18 @@ static class VFX
                 }
             }
         }
+
+        for (int i = 0; i < ripples.count; i++)
+        {
+            Particle particle = ripples.particles[i];
+            particle.state.Step(particle.scl < 1.0);
+            if (particle.state.state)
+            {
+                particle.scl += Time.Stepf;
+                float val = 1.0f - particle.scl;
+                particle.col = new Color(val, val, val);
+            }
+        }
     }
 }