diff --git a/examples/example_barycentric.cpp b/examples/example_barycentric.cpp
index e87cee9..cf8a1c6 100644
--- a/examples/example_barycentric.cpp
+++ b/examples/example_barycentric.cpp
@@ -30,6 +30,11 @@ in vec3 vColor;
 out vec4 FragColor;
 
 void main() {
+    // Calculate distance from center of the point
+    vec2 coord = gl_PointCoord - vec2(0.5);
+    if(length(coord) > 0.5)
+        discard;
+        
     FragColor = vec4(vColor, 1.0);
 }
 )";