diff --git a/examples/shapes/shapes_collision_area.c b/examples/shapes/shapes_collision_area.c
index c2e2c1e1d..8da2c2c58 100644
--- a/examples/shapes/shapes_collision_area.c
+++ b/examples/shapes/shapes_collision_area.c
@@ -26,20 +26,14 @@ int main(void)
     const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [shapes] example - collision area");
+    
+    int r1 = 40;
+    int c1x = 200;
+    int c1y = 200;
 
-    // Box A: Moving box
-    Rectangle boxA = { 10, GetScreenHeight()/2.0f - 50, 200, 100 };
-    int boxASpeedX = 4;
+    int r2 = 40;
+    
 
-    // Box B: Mouse moved box
-    Rectangle boxB = { GetScreenWidth()/2.0f - 30, GetScreenHeight()/2.0f - 30, 60, 60 };
-
-    Rectangle boxCollision = { 0 }; // Collision rectangle
-
-    int screenUpperLimit = 40;      // Top menu limits
-
-    bool pause = false;             // Movement pause
-    bool collision = false;         // Collision detection
 
     SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
     //----------------------------------------------------------
@@ -47,33 +41,11 @@ int main(void)
     // Main game loop
     while (!WindowShouldClose())    // Detect window close button or ESC key
     {
-        // Update
-        //-----------------------------------------------------
-        // Move box if not paused
-        if (!pause) boxA.x += boxASpeedX;
+        
+        int c2x = GetMouseX();
+        int c2y = GetMouseY();
 
-        // Bounce box on x screen limits
-        if (((boxA.x + boxA.width) >= GetScreenWidth()) || (boxA.x <= 0)) boxASpeedX *= -1;
 
-        // Update player-controlled-box (box02)
-        boxB.x = GetMouseX() - boxB.width/2;
-        boxB.y = GetMouseY() - boxB.height/2;
-
-        // Make sure Box B does not go out of move area limits
-        if ((boxB.x + boxB.width) >= GetScreenWidth()) boxB.x = GetScreenWidth() - boxB.width;
-        else if (boxB.x <= 0) boxB.x = 0;
-
-        if ((boxB.y + boxB.height) >= GetScreenHeight()) boxB.y = GetScreenHeight() - boxB.height;
-        else if (boxB.y <= screenUpperLimit) boxB.y = (float)screenUpperLimit;
-
-        // Check boxes collision
-        collision = CheckCollisionRecs(boxA, boxB);
-
-        // Get collision rectangle (only on collision)
-        if (collision) boxCollision = GetCollisionRec(boxA, boxB);
-
-        // Pause Box A movement
-        if (IsKeyPressed(KEY_SPACE)) pause = !pause;
         //-----------------------------------------------------
 
         // Draw
@@ -82,25 +54,13 @@ int main(void)
 
             ClearBackground(RAYWHITE);
 
-            DrawRectangle(0, 0, screenWidth, screenUpperLimit, collision? RED : BLACK);
+            Color col = BLUE; 
+            if (CheckCollisionCircles((Vector2) { c1x, c1y }, r1, (Vector2) { c2x, c2y }, r2)) col = YELLOW;
+            else col = BLUE;
+            DrawCircle(c1x, c1y, r1, RED);
+            DrawCircle(c2x, c2y, r2, col);
 
-            DrawRectangleRec(boxA, GOLD);
-            DrawRectangleRec(boxB, BLUE);
 
-            if (collision)
-            {
-                // Draw collision area
-                DrawRectangleRec(boxCollision, LIME);
-
-                // Draw collision message
-                DrawText("COLLISION!", GetScreenWidth()/2 - MeasureText("COLLISION!", 20)/2, screenUpperLimit/2 - 10, 20, BLACK);
-
-                // Draw collision area
-                DrawText(TextFormat("Collision Area: %i", (int)boxCollision.width*(int)boxCollision.height), GetScreenWidth()/2 - 100, screenUpperLimit + 10, 20, BLACK);
-            }
-
-            // Draw help instructions
-            DrawText("Press SPACE to PAUSE/RESUME", 20, screenHeight - 35, 20, LIGHTGRAY);
 
             DrawFPS(10, 10);
 
diff --git a/src/rshapes.c b/src/rshapes.c
index 058c96863..e9a84834e 100644
--- a/src/rshapes.c
+++ b/src/rshapes.c
@@ -2233,9 +2233,10 @@ bool CheckCollisionCircles(Vector2 center1, float radius1, Vector2 center2, floa
     float dx = center2.x - center1.x;      // X distance between centers
     float dy = center2.y - center1.y;      // Y distance between centers
 
-    float distance = sqrtf(dx*dx + dy*dy); // Distance between centers
+    float distanceSquared = dx * dx + dy * dy; // Distance between centers squared
+    float radiusSum = radius1 + radius2;
 
-    if (distance <= (radius1 + radius2)) collision = true;
+    collision = (distanceSquared <= (radiusSum * radiusSum));
 
     return collision;
 }