Shader "VFX/MatrixTest"
{
    Properties
    {
        _MainTex ("Texture", 2D) = "white" {}
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        Cull Off

        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"

            struct appdata
            {
                float4 vertex : POSITION;
                float2 uv : TEXCOORD0;
                float4 color : COLOR;
            };

            struct v2f
            {
                float4 vertex : SV_POSITION;
                float2 uv : TEXCOORD0;
                float4 color : COLOR;
            };

            sampler2D _MainTex;
            float4 _MainTex_ST;

            v2f vert (appdata v)
            {
                v2f o;
                // o.vertex = UnityObjectToClipPos(v.vertex);
                float4  vertexPos = v.vertex;                                        //LocalPos;
                        vertexPos = mul(unity_ObjectToWorld, vertexPos);             //WorldPos;
                        vertexPos = mul(UNITY_MATRIX_V, vertexPos);                  //ViewPos;
                        vertexPos = mul(UNITY_MATRIX_P, float4(vertexPos.xyz,1));    //ClipSpacePos;
                        vertexPos = mul(unity_CameraInvProjection, vertexPos);       //WorldPos;
                        vertexPos = mul(UNITY_MATRIX_VP, vertexPos);                 //ClipSpacePos;


                o.vertex = vertexPos;                                               //NDC


                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
                o.color = v.color;
                return o;
            }

            fixed4 frag (v2f i) : SV_Target
            {
                return 1;
            }
            ENDCG
        }
    }
}