134 lines
3.7 KiB
Plaintext
134 lines
3.7 KiB
Plaintext
// Curved World <http://u3d.as/1W8h>
|
|
// Copyright (c) Amazing Assets <https://amazingassets.world>
|
|
|
|
// Per pixel bumped refraction.
|
|
// Uses a normal map to distort the image behind, and
|
|
// an additional texture to tint the color.
|
|
|
|
Shader "Amazing Assets/Curved World/Unity Standard Assets/Glass/Stained BumpDistort"
|
|
{
|
|
Properties
|
|
{
|
|
[HideInInspector][CurvedWorldBendSettings] _CurvedWorldBendSettings("0|1|1", Vector) = (0, 0, 0, 0)
|
|
|
|
_BumpAmt ("Distortion", range (0,128)) = 10
|
|
_Color ("Tint Color", color) = (1, 1, 1, 1)
|
|
_MainTex ("Map", 2D) = "white" {}
|
|
_BumpMap ("Normalmap", 2D) = "bump" {}
|
|
}
|
|
|
|
Category
|
|
{
|
|
|
|
// We must be transparent, so other objects are drawn before this one.
|
|
Tags { "Queue"="Transparent" "RenderType"="Opaque" }
|
|
|
|
|
|
SubShader
|
|
{
|
|
|
|
// This pass grabs the screen behind the object into a texture.
|
|
// We can access the result in the next pass as _GrabTexture
|
|
GrabPass
|
|
{
|
|
Name "BASE"
|
|
Tags { "LightMode" = "Always" }
|
|
}
|
|
|
|
// Main pass: Take the texture grabbed above and use the bumpmap to perturb it
|
|
// on to the screen
|
|
Pass
|
|
{
|
|
Name "BASE"
|
|
Tags { "LightMode" = "Always" }
|
|
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment frag
|
|
#pragma multi_compile_fog
|
|
#include "UnityCG.cginc"
|
|
|
|
|
|
#define CURVEDWORLD_BEND_TYPE_CLASSICRUNNER_X_POSITIVE
|
|
#define CURVEDWORLD_BEND_ID_1
|
|
#pragma shader_feature_local CURVEDWORLD_DISABLED_ON
|
|
#pragma shader_feature_local CURVEDWORLD_NORMAL_TRANSFORMATION_ON
|
|
#include "Assets/Amazing Assets/Curved World/Shaders/Core/CurvedWorldTransform.cginc"
|
|
|
|
|
|
struct appdata_t
|
|
{
|
|
float4 vertex : POSITION;
|
|
float3 normal : NORMAL;
|
|
float4 tangent : TANGENT;
|
|
float2 texcoord: TEXCOORD0;
|
|
};
|
|
|
|
struct v2f
|
|
{
|
|
float4 vertex : SV_POSITION;
|
|
float4 uvgrab : TEXCOORD0;
|
|
float2 uvbump : TEXCOORD1;
|
|
float2 uvmain : TEXCOORD2;
|
|
UNITY_FOG_COORDS(3)
|
|
};
|
|
|
|
fixed4 _Color;
|
|
float _BumpAmt;
|
|
float4 _BumpMap_ST;
|
|
float4 _MainTex_ST;
|
|
|
|
v2f vert (appdata_t v)
|
|
{
|
|
v2f o;
|
|
|
|
#if defined(CURVEDWORLD_IS_INSTALLED) && !defined(CURVEDWORLD_DISABLED_ON)
|
|
#ifdef CURVEDWORLD_NORMAL_TRANSFORMATION_ON
|
|
CURVEDWORLD_TRANSFORM_VERTEX_AND_NORMAL(v.vertex, v.normal, v.tangent)
|
|
#else
|
|
CURVEDWORLD_TRANSFORM_VERTEX(v.vertex)
|
|
#endif
|
|
#endif
|
|
|
|
o.vertex = UnityObjectToClipPos(v.vertex);
|
|
o.uvgrab = ComputeGrabScreenPos(o.vertex);
|
|
o.uvbump = TRANSFORM_TEX( v.texcoord, _BumpMap );
|
|
o.uvmain = TRANSFORM_TEX( v.texcoord, _MainTex );
|
|
UNITY_TRANSFER_FOG(o,o.vertex);
|
|
return o;
|
|
}
|
|
|
|
sampler2D _GrabTexture;
|
|
float4 _GrabTexture_TexelSize;
|
|
sampler2D _BumpMap;
|
|
sampler2D _MainTex;
|
|
|
|
half4 frag (v2f i) : SV_Target
|
|
{
|
|
#if UNITY_SINGLE_PASS_STEREO
|
|
i.uvgrab.xy = TransformStereoScreenSpaceTex(i.uvgrab.xy, i.uvgrab.w);
|
|
#endif
|
|
|
|
// calculate perturbed coordinates
|
|
half2 bump = UnpackNormal(tex2D( _BumpMap, i.uvbump )).rg; // we could optimize this by just reading the x & y without reconstructing the Z
|
|
float2 offset = bump * _BumpAmt * _GrabTexture_TexelSize.xy;
|
|
#ifdef UNITY_Z_0_FAR_FROM_CLIPSPACE //to handle recent standard asset package on older version of unity (before 5.5)
|
|
i.uvgrab.xy = offset * UNITY_Z_0_FAR_FROM_CLIPSPACE(i.uvgrab.z) + i.uvgrab.xy;
|
|
#else
|
|
i.uvgrab.xy = offset * i.uvgrab.z + i.uvgrab.xy;
|
|
#endif
|
|
|
|
half4 col = tex2Dproj( _GrabTexture, UNITY_PROJ_COORD(i.uvgrab));
|
|
half4 tint = tex2D(_MainTex, i.uvmain) * _Color;
|
|
col *= tint;
|
|
UNITY_APPLY_FOG(i.fogCoord, col);
|
|
return col;
|
|
}
|
|
ENDCG
|
|
}
|
|
}
|
|
}
|
|
|
|
CustomEditor "AmazingAssets.CurvedWorld.Editor.DefaultShaderGUI"
|
|
}
|