Unity3D Shader实现动态星空

Unity3D Shader实现动态星空实现动态星空

主要为大家详细介绍了Unity3D Shader实现动态星空，文中示例代码介绍的非常详细，具有一定的参考价值，感兴

趣的小伙伴们可以参考一下

本文实例为大家分享了Unity3D Shader实现动态星空的具体代码，供大家参考，具体内容如下

Shader "Unlit/Test"

{

Properties

{

[Header(Fog)][Toggle(_ENABLEFOG_ON)]_EnableFog("Enable Fog",float)=0

_FogHeight("FogHeight",Range(0,1))=1

_FogSmooth("FogSmooth",Range(0.01,1))=0.01

_FogHill("FogHill",Range(0,1))=0.5

}

SubShader

{

Tags { "RenderType"="Background" "Queue"="Background" "IgnoreProjector"="True" "ForceNoShadowCasting"="True"}

#pragma target 3.0

#pragma shader_feature _ENABLEROTATION_ON

#pragma shader_feature _ENABLEFOG_ON

#pragma surface surf Lint keepalpha noshadow noambient novertexlights nolightmap nodynlightmap nodirlightmap nofog nometa noforwardadd vertex:vertexRo

struct Input

{

float3 worldPos;

float3 vertextofrag;

uniform half _Rotation;

uniform half _RotationSpeed;

uniform half _FogHeight;

uniform half _FogSmooth;

uniform half _FogHill;

uniform half4 _Tex_HDR;

half3 decode_HDR(half4 data)

{

float _lerpResult=lerp(1.0,(unity_OrthoParams.y/unity_OrthoParams.x),unity_OrthoParams.w);

float3 _append=float3(_worldPos.x,_worldPos.y*_lerpResult,_worldPos.z);

float3 _nor_append=normalize(_append);

float _timeMove=_Time.y;

float3 _timeMove1=float3(cos(radians(_Rotation+_timeMove*_RotationSpeed)),0,sin(radians(_Rotation+_timeMove*_RotationSpeed))*-1);

float3 _timeMove2=float3(0,_lerpResult,0);

float3 _timeMove3=float3(sin(radians(_Rotation+_timeMove*_RotationSpeed)),0,cos(radians(_Rotation+_timeMove*_RotationSpeed)));

float3 _nor_worldPos=normalize(_worldPos);

#ifdef _ENABLEROTATION_ON

o.vertextofrag=mul(float3x3(_timeMove1,_timeMove2,_timeMove3),_nor_worldPos);