Straight to the point:
In the C# code, first reference the material ball (Material), and then use the methods provided by the material ball, such as:
public void SetBuffer(string name, ComputeBuffer value);
//
// 摘要:
// Sets a named buffer value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name.
//
// value:
// The ComputeBuffer or GraphicsBuffer value to set.
public void SetBuffer(int nameID, ComputeBuffer value);
//
// 摘要:
// Sets a named buffer value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name.
//
// value:
// The ComputeBuffer or GraphicsBuffer value to set.
public void SetBuffer(string name, GraphicsBuffer value);
//
// 摘要:
// Sets a named buffer value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name.
//
// value:
// The ComputeBuffer or GraphicsBuffer value to set.
public void SetBuffer(int nameID, GraphicsBuffer value);
//
// 摘要:
// Sets a named color value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_Color".
//
// value:
// Color value to set.
public void SetColor(string name, Color value);
//
// 摘要:
// Sets a named color value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_Color".
//
// value:
// Color value to set.
public void SetColor(int nameID, Color value);
//
// 摘要:
// Sets a color array property.
//
// 参数:
// name:
// Property name.
//
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// values:
// Array of values to set.
public void SetColorArray(int nameID, Color[] values);
//
// 摘要:
// Sets a color array property.
//
// 参数:
// name:
// Property name.
//
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// values:
// Array of values to set.
public void SetColorArray(string name, Color[] values);
public void SetColorArray(string name, List<Color> values);
public void SetColorArray(int nameID, List<Color> values);
//
// 摘要:
// Sets a ComputeBuffer or GraphicsBuffer as a named constant buffer for the material.
//
// 参数:
// name:
// The name of the constant buffer to override.
//
// value:
// The ComputeBuffer to override the constant buffer values with, or null to remove
// binding.
//
// offset:
// Offset in bytes from the beginning of the buffer to bind. Must be a multiple
// of SystemInfo.constantBufferOffsetAlignment, or 0 if that value is 0.
//
// size:
// The number of bytes to bind.
//
// nameID:
// The shader property ID of the constant buffer to override.
public void SetConstantBuffer(int nameID, ComputeBuffer value, int offset, int size);
//
// 摘要:
// Sets a ComputeBuffer or GraphicsBuffer as a named constant buffer for the material.
//
// 参数:
// name:
// The name of the constant buffer to override.
//
// value:
// The ComputeBuffer to override the constant buffer values with, or null to remove
// binding.
//
// offset:
// Offset in bytes from the beginning of the buffer to bind. Must be a multiple
// of SystemInfo.constantBufferOffsetAlignment, or 0 if that value is 0.
//
// size:
// The number of bytes to bind.
//
// nameID:
// The shader property ID of the constant buffer to override.
public void SetConstantBuffer(string name, GraphicsBuffer value, int offset, int size);
//
// 摘要:
// Sets a ComputeBuffer or GraphicsBuffer as a named constant buffer for the material.
//
// 参数:
// name:
// The name of the constant buffer to override.
//
// value:
// The ComputeBuffer to override the constant buffer values with, or null to remove
// binding.
//
// offset:
// Offset in bytes from the beginning of the buffer to bind. Must be a multiple
// of SystemInfo.constantBufferOffsetAlignment, or 0 if that value is 0.
//
// size:
// The number of bytes to bind.
//
// nameID:
// The shader property ID of the constant buffer to override.
public void SetConstantBuffer(int nameID, GraphicsBuffer value, int offset, int size);
//
// 摘要:
// Sets a ComputeBuffer or GraphicsBuffer as a named constant buffer for the material.
//
// 参数:
// name:
// The name of the constant buffer to override.
//
// value:
// The ComputeBuffer to override the constant buffer values with, or null to remove
// binding.
//
// offset:
// Offset in bytes from the beginning of the buffer to bind. Must be a multiple
// of SystemInfo.constantBufferOffsetAlignment, or 0 if that value is 0.
//
// size:
// The number of bytes to bind.
//
// nameID:
// The shader property ID of the constant buffer to override.
public void SetConstantBuffer(string name, ComputeBuffer value, int offset, int size);
//
// 摘要:
// Sets a named float value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// value:
// Float value to set.
//
// name:
// Property name, e.g. "_Glossiness".
public void SetFloat(int nameID, float value);
//
// 摘要:
// Sets a named float value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// value:
// Float value to set.
//
// name:
// Property name, e.g. "_Glossiness".
public void SetFloat(string name, float value);
public void SetFloatArray(string name, List<float> values);
public void SetFloatArray(int nameID, List<float> values);
//
// 摘要:
// Sets a float array property.
//
// 参数:
// name:
// Property name.
//
// nameID:
// Property name ID. Use Shader.PropertyToID to get this ID.
//
// values:
// Array of values to set.
public void SetFloatArray(string name, float[] values);
//
// 摘要:
// Sets a float array property.
//
// 参数:
// name:
// Property name.
//
// nameID:
// Property name ID. Use Shader.PropertyToID to get this ID.
//
// values:
// Array of values to set.
public void SetFloatArray(int nameID, float[] values);
//
// 摘要:
// Sets a named integer value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// value:
// Integer value to set.
//
// name:
// Property name, e.g. "_SrcBlend".
public void SetInt(int nameID, int value);
//
// 摘要:
// Sets a named integer value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// value:
// Integer value to set.
//
// name:
// Property name, e.g. "_SrcBlend".
public void SetInt(string name, int value);
//
// 摘要:
// Sets a named matrix for the shader.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_CubemapRotation".
//
// value:
// Matrix value to set.
public void SetMatrix(int nameID, Matrix4x4 value);
//
// 摘要:
// Sets a named matrix for the shader.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_CubemapRotation".
//
// value:
// Matrix value to set.
public void SetMatrix(string name, Matrix4x4 value);
//
// 摘要:
// Sets a matrix array property.
//
// 参数:
// name:
// Property name.
//
// values:
// Array of values to set.
//
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
public void SetMatrixArray(int nameID, Matrix4x4[] values);
public void SetMatrixArray(int nameID, List<Matrix4x4> values);
//
// 摘要:
// Sets a matrix array property.
//
// 参数:
// name:
// Property name.
//
// values:
// Array of values to set.
//
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
public void SetMatrixArray(string name, Matrix4x4[] values);
public void SetMatrixArray(string name, List<Matrix4x4> values);
//
// 摘要:
// Sets an override tag/value on the material.
//
// 参数:
// tag:
// Name of the tag to set.
//
// val:
// Name of the value to set. Empty string to clear the override flag.
public void SetOverrideTag(string tag, string val);
//
// 摘要:
// Activate the given pass for rendering.
//
// 参数:
// pass:
// Shader pass number to setup.
//
// 返回结果:
// If false is returned, no rendering should be done.
[FreeFunction("MaterialScripting::SetPass", HasExplicitThis = true)]
public bool SetPass(int pass);
//
// 摘要:
// Enables or disables a Shader pass on a per-Material level.
//
// 参数:
// passName:
// Shader pass name (case insensitive).
//
// enabled:
// Flag indicating whether this Shader pass should be enabled.
[FreeFunction("MaterialScripting::SetShaderPassEnabled", HasExplicitThis = true)]
public void SetShaderPassEnabled(string passName, bool enabled);
//
// 摘要:
// Sets a named texture.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_MainTex".
//
// value:
// Texture to set.
//
// element:
// Optional parameter that specifies the type of data to set from the RenderTexture.
public void SetTexture(int nameID, RenderTexture value, RenderTextureSubElement element);
//
// 摘要:
// Sets a named texture.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_MainTex".
//
// value:
// Texture to set.
//
// element:
// Optional parameter that specifies the type of data to set from the RenderTexture.
public void SetTexture(string name, RenderTexture value, RenderTextureSubElement element);
//
// 摘要:
// Sets a named texture.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_MainTex".
//
// value:
// Texture to set.
//
// element:
// Optional parameter that specifies the type of data to set from the RenderTexture.
public void SetTexture(int nameID, Texture value);
//
// 摘要:
// Sets a named texture.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_MainTex".
//
// value:
// Texture to set.
//
// element:
// Optional parameter that specifies the type of data to set from the RenderTexture.
public void SetTexture(string name, Texture value);
//
// 摘要:
// Sets the placement offset of texture propertyName.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, for example: "_MainTex".
//
// value:
// Texture placement offset.
public void SetTextureOffset(int nameID, Vector2 value);
//
// 摘要:
// Sets the placement offset of texture propertyName.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, for example: "_MainTex".
//
// value:
// Texture placement offset.
public void SetTextureOffset(string name, Vector2 value);
//
// 摘要:
// Sets the placement scale of texture propertyName.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_MainTex".
//
// value:
// Texture placement scale.
public void SetTextureScale(int nameID, Vector2 value);
//
// 摘要:
// Sets the placement scale of texture propertyName.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_MainTex".
//
// value:
// Texture placement scale.
public void SetTextureScale(string name, Vector2 value);
//
// 摘要:
// Sets a named vector value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_WaveAndDistance".
//
// value:
// Vector value to set.
public void SetVector(int nameID, Vector4 value);
//
// 摘要:
// Sets a named vector value.
//
// 参数:
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
//
// name:
// Property name, e.g. "_WaveAndDistance".
//
// value:
// Vector value to set.
public void SetVector(string name, Vector4 value);
//
// 摘要:
// Sets a vector array property.
//
// 参数:
// name:
// Property name.
//
// values:
// Array of values to set.
//
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
public void SetVectorArray(int nameID, Vector4[] values);
//
// 摘要:
// Sets a vector array property.
//
// 参数:
// name:
// Property name.
//
// values:
// Array of values to set.
//
// nameID:
// Property name ID, use Shader.PropertyToID to get it.
public void SetVectorArray(string name, Vector4[] values);
public void SetVectorArray(int nameID, List<Vector4> values);
public void SetVectorArray(string name, List<Vector4> values);I use material.SetColor("_Color", Color.red);
The structure is SetColor(shader attribute name, attribute value setting);
_Color is a property defined in Properties{} in the shader, the name must be constant, and then it is assigned a value.
Shader code:
Shader "GFSudy/Myshader1"
{
//属性 可以在编辑器中查看和修改
Properties
{
_Color ("Color", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_Glossiness ("Smoothness", Range(0,1)) = 0.5
_Metallic ("Metallic", Range(0,1)) = 0.0
}
SubShader
{
Pass{
CGPROGRAM // 插入Cg代码的开始
//定义一个结构体
struct my_struct{
int a;
}; //结尾一定要有分号
//定义一个函数
float sum(float a,float b)
{
return a + b;
}
fixed4 _Color; //首先定义同样名字的变量 才可以访问到
sampler2D _MainTex;
#pragma vertex my_vert // 把my_vert作为顶点Shader的入口
// 如何获取上一个模块的参数呢？： 语义绑定bind 输入输出
float4 my_vert(float4 pos : POSITION) : POSITION
{
return UnityObjectToClipPos(pos);
}
#pragma fragment my_frag // 把my_frag作为片元Shader的入口
fixed4 my_frag():COLOR
{
//return fixed4(1.0,0.0,0.0,1.0); //这里直接把颜色设置为了红色
return _Color; //这里使用属性里的颜色
}
ENDCG // 插入Cg代码的结束
}
}
FallBack "Diffuse"
}C# code:
using UnityEngine;
public class ShaderCtrl : MonoBehaviour
{
public Material material;
// Start is called before the first frame update
void Start()
{
material.SetColor("_Color", Color.red);
}
// Update is called once per frame
void Update()
{
}
}Note here that the script must be bound (associated) with the material ball (Material).