📜  unity shader blend - C# (1)

📅  最后修改于: 2023-12-03 15:35:30.293000             🧑  作者: Mango

Unity Shader Blend - C#

Unity Shader Blend is a powerful tool that allows you to create stunning visual effects in your Unity games. With Unity Shader Blend, you can blend textures and colors, create smooth transitions between materials, and apply advanced lighting effects to your objects.

How does Unity Shader Blend work?

Unity Shader Blend uses the GPU to perform real-time calculations on your object's texture and color properties. By default, Unity applies a "Standard" shader to all new objects, which uses a basic material with basic lighting and texturing properties.

With Unity Shader Blend, you can create custom shaders that change how your object looks and behaves. You can adjust the transparency, reflectivity, and specular highlights of your object, as well as add special effects like reflections and shadows.

In addition, Unity Shader Blend includes support for advanced texture blending techniques, such as alpha blending and additive blending. With these techniques, you can create unique visual effects that will make your games stand out.

How to use Unity Shader Blend

To use Unity Shader Blend, you'll need to have some experience with programming in C#. You'll also need to have a basic understanding of Unity's rendering pipeline and how it handles shaders.

Here's a basic example of how to use Unity Shader Blend to blend two textures together:

Shader "Custom/TextureBlend" {
	Properties {
		_MainTex ("Texture 1", 2D) = "white" {}
		_BlendTex ("Texture 2", 2D) = "white" {}
		_BlendAmount ("Blend Amount", Range(0,1)) = 0.5
	}
	SubShader {
		Tags {"Queue"="Transparent" "RenderType"="Opaque"}
		LOD 100
		
		Pass {
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			#include "UnityCG.cginc"
			
			struct appdata {
				float4 vertex : POSITION;
				float2 uv : TEXCOORD0;
			};
			
			struct v2f {
				float2 uv : TEXCOORD0;
				float4 vertex : SV_POSITION;
			};
			
			sampler2D _MainTex;
			sampler2D _BlendTex;
			float _BlendAmount;
			
			v2f vert (appdata v) {
				v2f o;
				o.vertex = UnityObjectToClipPos(v.vertex);
				o.uv = v.uv;
				return o;
			}
			
			fixed4 frag (v2f i) : SV_Target {
				fixed4 tex1 = tex2D(_MainTex, i.uv);
				fixed4 tex2 = tex2D(_BlendTex, i.uv);
				return lerp(tex1, tex2, _BlendAmount);
			}
			ENDCG
		}
	}
}

This shader creates a new material with two textures: "Texture 1" and "Texture 2". When applied to an object, the shader will blend these two textures together based on a user-defined blend amount.

Conclusion

Unity Shader Blend is a powerful tool for creating stunning visual effects in your Unity games. Whether you're a beginner or an experienced programmer, you can use Unity Shader Blend to take your games to the next level.