ランダムノイズ - saitocastel1900/UnityShader GitHub Wiki
Shader "Unlit/RandomNoiseUnlitShader"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
}
SubShader
{
Tags
{
"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;
};
float random(fixed2 p)
{
return frac(sin(dot(p, fixed2(12.9898, 78.233))) * 43758.5453);
}
v2f vert(appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
fixed4 frag(v2f i) : SV_Target
{
float4 c = random(i.uv);
return c;
}
ENDCG
}
}
}