Shader "Custom/LeafWindShaderWithDisplacement"
{
    Properties
    {
        [NoScaleOffset] _MainTex ("Texture", 2D) = "white" {}
        [HDR] _Color ("Color", Color) = (1, 1, 1, 1)
        _ShakeAmplitude ("Shake Amplitude", Range(0, 0.5)) = 0.1
        _ShakeSpeed ("Shake Speed", Range(0, 5)) = 1
        _ShakeX ("Shake X", Range(-1, 1)) = 0
        _ShakeY ("Shake Y", Range(-1, 1)) = 0
        _ShakeZ ("Shake Z", Range(-1, 1)) = 0
        _Alpha ("Alpha", Range(0, 1)) = 1
        _VertexDisplacementRandomness ("Vertex Displacement Randomness", Range(0, 1)) = 0.1
        _VertexDisplacementLag ("Vertex Displacement Lag", Range(0, 1)) = 0.1
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        LOD 100
        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #include "UnityCG.cginc"

            struct appdata_t
            {
                float4 vertex : POSITION;
                float2 uv : TEXCOORD0;
            };

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

            sampler2D _MainTex;
            float4 _Color;
            float _ShakeAmplitude;
            float _ShakeSpeed;
            float _ShakeX;
            float _ShakeY;
            float _ShakeZ;
            float _Alpha;
            float _VertexDisplacementRandomness;
            float _VertexDisplacementLag;

            v2f vert (appdata_t v)
            {
                v2f o;
                // Apply vertex shaking
                float displacementFactor = 1.0 - _VertexDisplacementRandomness + _VertexDisplacementRandomness * (1 - 2 * frac(_Time.y * _VertexDisplacementLag + v.vertex.x * 0.1));
                float3 shakeOffset = float3(_ShakeX, _ShakeY, _ShakeZ) * _ShakeAmplitude * sin(_Time.y * _ShakeSpeed + v.vertex.x * 0.1) * displacementFactor;
                v.vertex.xyz += shakeOffset;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.uv = v.uv;
                return o;
            }

            fixed4 frag (v2f i) : SV_Target
            {
                fixed4 col = tex2D(_MainTex, i.uv) * _Color;
                clip(col.a - 0.1);
                if (col.a < _Alpha)
                {
                    discard;
                }
                return col;
            }
            ENDCG
        }
    }
}