MeshFilter and MeshRenderer

Learn the division of labor between MeshFilter and MeshRenderer.

The MeshFilter Component

To give a GameObject a 3D shape, the MeshFilter component is used. MeshFilter holds the reference to which Mesh data the object contains, but does not draw anything on screen itself. It provides this data via the sharedMesh or mesh property.

MeshFilter filter = GetComponent<MeshFilter>();
Mesh modelMesh = filter.sharedMesh;

The MeshRenderer Component

The component that takes geometry from MeshFilter and renders it into pixels on screen is MeshRenderer. This component manages material (Material) settings and lighting/shadow behavior. For a 3D model to be visible in a scene, MeshFilter and MeshRenderer work together.

MeshRenderer renderer = GetComponent<MeshRenderer>();
renderer.enabled = true;

Exercise Check Renderer State

If the renderer.enabled property is true, print Debug.Log("Model ciziliyor");.

Show example solution

using System;

public class MeshRenderer
{
    public bool enabled = true;
}

public static class Debug
{
    public static void Log(object message) => Console.WriteLine(message);
}

public class Program
{
    public static void Main()
    {
        MeshRenderer renderer = new MeshRenderer();
        if (renderer.enabled)
        {
            Debug.Log("Model ciziliyor");
        }
    }
}

Test yourself

What is the primary role of the MeshFilter component on a GameObject?
- To change the texture of the material
- To hold the 3D geometry data (Mesh) reference
- To convert geometry into pixels and render on screen
- To add physical gravity to the object
Show answer

To hold the 3D geometry data (Mesh) reference — MeshFilter holds the geometry data in memory; rendering it to the screen is performed by MeshRenderer.

Get MeshRenderer Component

MeshRenderer cizici = GetComponent<____>();

Show answer

MeshRenderer cizici = GetComponent<MeshRenderer>();

Model Components Division of Labor

MeshFilter

Holds reference to geometry data
MeshRenderer

Draws geometry to screen with material
sharedMesh

Shared original mesh reference in memory
renderer.enabled

Whether rendering is enabled or not

Next lesson: Primitive objects

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