課時72 Fragment shader 7
阿新 • • 發佈：2019-02-01
Shader "Custom/Transparent_Object" { SubShader{ pass { blend srcalpha oneminussrcalpha ztest greater zwrite on CGPROGRAM #pragma vertex vert #pragma fragment frag #include "unitycg.cginc" struct v2f { float4 pos:POSITION; }; v2f vert(appdata_base v) { v2f o; o.pos = mul(UNITY_MATRIX_MVP, v.vertex); return o; } fixed4 frag(v2f IN) :COLOR { fixed4 color = fixed4(1,1,0,0.5); return color; } ENDCG } pass { //blend srcalpha oneminussrcalpha ztest less zwrite on CGPROGRAM #pragma vertex vert #pragma fragment frag #include "unitycg.cginc" struct v2f { float4 pos:POSITION; }; v2f vert(appdata_base v) { v2f o; o.pos = mul(UNITY_MATRIX_MVP, v.vertex); return o; } fixed4 frag(v2f IN) :COLOR { fixed4 color = fixed4(1,1,0,0.5); return color; } ENDCG } } }
Shader "Custom/Transparent_Replace" { <span style="white-space:pre"> </span>SubShader{ <span style="white-space:pre"> </span>tags{"rendertype"="transparent"} <span style="white-space:pre"> </span>pass { <span style="white-space:pre"> </span>CGPROGRAM <span style="white-space:pre"> </span>#pragma vertex vert <span style="white-space:pre"> </span>#pragma fragment frag <span style="white-space:pre"> </span>#include "unitycg.cginc" <span style="white-space:pre"> </span> struct v2f <span style="white-space:pre"> </span>{ <span style="white-space:pre"> </span>float4 pos:POSITION; <span style="white-space:pre"> </span>float2 depth:TEXCOORD0; <span style="white-space:pre"> </span>}; <span style="white-space:pre"> </span>v2f vert(appdata_base v) <span style="white-space:pre"> </span>{ <span style="white-space:pre"> </span>v2f o; <span style="white-space:pre"> </span>o.pos = mul(UNITY_MATRIX_MVP, v.vertex); <span style="white-space:pre"> </span>o.depth = o.pos.zw; <span style="white-space:pre"> </span>return o; <span style="white-space:pre"> </span>} <span style="white-space:pre"> </span>fixed4 frag(v2f IN) :COLOR <span style="white-space:pre"> </span>{ <span style="white-space:pre"> </span>float depth =Linear01Depth( IN.depth.x / IN.depth.y); <span style="white-space:pre"> </span>fixed4 color = fixed4(depth,0,0,1); <span style="white-space:pre"> </span> return color; <span style="white-space:pre"> </span>} ENDCG <span style="white-space:pre"> </span> } <span style="white-space:pre"> </span>} }
using UnityEngine; using System.Collections; public class Replace : MonoBehaviour { <span style="white-space:pre"> </span>// Use this for initialization <span style="white-space:pre"> </span>void Start () { Camera.main.SetReplacementShader(Shader.Find("Custom / Transparent_2"),"rendertype"); <span style="white-space:pre"> </span>} <span style="white-space:pre"> </span> <span style="white-space:pre"> </span>// Update is called once per frame <span style="white-space:pre"> </span>void Update () { <span style="white-space:pre"> </span> <span style="white-space:pre"> </span>} }
