Unity - Scripting API: Material.SetVector

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Declaration

public void SetVector(string name, Vector4 value);

Declaration

public void SetVector(int nameID, Vector4 value);

Parameters

Parameter	Description
nameID	Property name ID, use Shader.PropertyToID to get it.
name	Property name, e.g. "_WaveAndDistance".
value	Vector value to set.

Description

Sets a value for a named vector in the material.

Four component vectors and colors are the same in Unity shaders. SetVector does almost exactly the same as SetColor just the input data type is different (xyzw in the vector becomes rgba in the color). The only difference is that color values are be converted from sRGB to Linear value, when using linear color space (see properties in shader programs).

You can also use SetVector to assign values to float2 or float3 properties defined in the shader.

Additional resources: SetColor, GetVector, Shader.PropertyToID, Properties in Shader Programs.

using UnityEngine;public class SetVectorExample : MonoBehaviour
{
    public Material targetMaterial;
    void Start()
    {
        Vector4 customVector = new Vector4(1.0f, 0.5f, 0.0f, 1.0f);
        // Set the vector to a shader property named "_CustomVector"
        targetMaterial.SetVector("_CustomVector", customVector);
    }
}