Vertex deformation of Shader

The 3D object can be bent through vertex deformation, which is common in the runway of parkour game. Can be bent left, right, up, and down.

Shader"custom/vertexcolorcurved"{Properties {//6 parameters required by shader_maintex ("Base (RGB)", 2D) =" White"{} _qoffset ("Offset", Vector) = (0,0,0,0) _dist ("Distance", Float) =100.0_brightnessamount ("Brightness Amount", Float) =1.0_saturationamount ("saturation Amount", Float) =1.0_contrastamount ("contrast Amount", Float) =1.0} subshader {Tags {"Queue"="Transparent"} Pass {Blend srcalpha oneminussrcalpha cgprogram#pragmaVertex vert#pragmaFragment Frag#include"Unitycg.cginc"sampler2d _maintex;            FLOAT4 _qoffset; float_dist; fixed_brightnessamount; fixed_saturationamount; fixed_contrastamount; float_opacityamount; structv2f {float4 pos:sv_position;                FLOAT4 uv:texcoord0;                FLOAT3 Viewdir:texcoord1;            Fixed4 Color:color;            };                                  v2f Vert (Appdata_full v) {v2f o; FLOAT4 vPOS=Mul (UNITY_MATRIX_MV, V.vertex); floatZoff = vpos.z/_dist; vPOS+ = _qoffset*zoff*Zoff; O.pos=Mul (unity_matrix_p, vPOS); O.uv=V.texcoord; //O.color.rgb = V.color.rgb; //take vertex color                                  returno; } float3 contrastsaturationbrightness (float3 color,floatBrtfloatSatfloatcon) {                  //increase or decrease these values to//adjust R, G and B color channels separately                floatAVGLUMR =0.5; floatAVGLUMG =0.5; floatAvglumb =0.5; //luminance coefficients for getting luminance from the imageFLOAT3 Luminancecoeff = FLOAT3 (0.2125,0.7154,0.0721); //Operation for BrightmessFLOAT3 Avglumin =float3 (AVGLUMR, AVGLUMG, Avglumb); FLOAT3 Brtcolor= Color *BRT; floatINTENSITYF =dot (Brtcolor, Luminancecoeff); FLOAT3 intensity=float3 (INTENSITYF, INTENSITYF, INTENSITYF); //operation for SaturationFLOAT3 Satcolor =lerp (intensity, brtcolor, Sat); //Operation for contrastFLOAT3 concolor =lerp (avglumin, Satcolor, con); returnconcolor; } Half4 Frag (v2f i): COLOR0 {fixed4 Rendertex=tex2d (_maintex, I.UV); //                  //Apply vertex Color//Rendertex.rgb *= I.color.rgb; //vertex color and map blending//Apply The brightness, saturation, contrast operationsRendertex.rgb =contrastsaturationbrightness (Rendertex.rgb, _brightnessamount, _saturationamount, _ContrastAmount); returnRendertex; } ENDCG}} FallBack"Diffuse"}

Vertex deformation of Shader