Hi I have this script that I have from another question that I asked and was wondering how to make the health bar smaller when I get hit by tagged bullets

public float maxHealth = 100.0f; // Minimum health is 0.0f (dead)
public float currentHealth = 100.0f; // Players current health


public Texture2D background = null;

public Texture2D energybar = null;

void OnGUI()
{
 
// Draw the background

 GUI.DrawTexture(new Rect(32.0f, 32.0f, 128.0f, 16.0f), background);

 // Draw the health/energy bar

 GUI.BeginGroup(new Rect(34.0f, 34.0f, 124.0f * (currentHealth / maxHealth), 12.0f));
   GUI.DrawTexture(new Rect(0.0f, 0.0f, 124.0f, 12.0f), energybar);
 GUI.EndGroup();
}