Material.SetTextureScale

설명

Sets the placement scale of texture propertyName.

Common texture names used by Unity's builtin shaders:
"_MainTex" is the main diffuse texture. This can also be accessed via mainTextureScale property.
"_BumpMap" is the normal map.
"_Cube" is the reflection cubemap.

See Also: mainTextureScale property, GetTextureScale.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public float scrollSpeed = 0.5F;
    public Renderer rend;
    void Start() {
        rend = GetComponent<Renderer>();
    }
    void Update() {
        float scaleX = Mathf.Cos(Time.time) * 0.5F + 1;
        float scaleY = Mathf.Sin(Time.time) * 0.5F + 1;
        rend.material.SetTextureScale("_MainTex", new Vector2(scaleX, scaleY));
    }
}