diff --git a/src/c1/circle.cpp b/src/c1/circlePoints.cpp
similarity index 87%
rename from src/c1/circle.cpp
rename to src/c1/circlePoints.cpp
index 31fce86..780825f 100644
--- a/src/c1/circle.cpp
+++ b/src/c1/circlePoints.cpp
@@ -13,7 +13,7 @@
 #include <thread>
 
 const float POINT_SIZE = 32.0f;
-const unsigned int F_PER_SECOND = 120;
+const unsigned int F_PER_SECOND = 144;
 const float PI = 3.141592653589793238462643383279502884L;
 
 typedef  unsigned int u8;
@@ -50,8 +50,15 @@ void render(){
         static int state  = -1;
         state=(state+1)%F_PER_SECOND;
         const float anglePerCircle = 10.0f;
+        static float circleSize = 0.0f;
+        if(state==0){
+            circleSize+=0.1f;
+        }
+        if(circleSize>1.0f){
+            circleSize=0.0f;
+        }
         for (u8 i=0;i<u8(float(state)/120.0f*360.0f);i+=anglePerCircle) {
-            glVertex3f(std::cos(angleToRad(i)),std::sin(angleToRad(i)),0.0f);
+            glVertex3f(std::cos(angleToRad(i))*circleSize,std::sin(angleToRad(i))*circleSize,0.0f);
         }
     glEnd();
 }
diff --git a/xmake.lua b/xmake.lua
index 34cd950..12407c5 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -18,5 +18,5 @@ add_packages("glfw","glad","glm")
 target("3Points")
     add_files("src/c1/threePoints.cpp")
 
-target("circle")
-    add_files("src/c1/circle.cpp")
\ No newline at end of file
+target("circlePoints")
+    add_files("src/c1/circlePoints.cpp")
\ No newline at end of file