raymarching stuff
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12 changed files with 560 additions and 7 deletions
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@ -12,9 +12,31 @@
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Tags { "RenderType"="Opaque" }
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Cull Off
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LOD 100
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Pass
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{
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// TODO: does this even do anything? its supposed to be on by default
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ZWrite On
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CGPROGRAM
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#pragma vertex vertex
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#pragma fragment fragment
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#define BASE_PASS
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#include "raymarcher.cginc"
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v2f vertex (appdata v){
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return vert(v);
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}
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fragOut fragment (v2f i) {
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return frag(i);
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}
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ENDCG
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}
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Pass
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{
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Tags { "LightMode" = "ForwardAdd"}
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ZWrite On
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CGPROGRAM
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#pragma vertex vertex
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#pragma fragment fragment
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@ -27,6 +27,9 @@
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fragOut fragment (v2f i) {
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return frag(i);
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// fragOut o = frag(i);
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// o.col = 0.4f;
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// return o;
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}
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ENDCG
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}
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@ -5,6 +5,7 @@ define IS_SECONDARY_SHAPE to only render the second shape
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*/
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#include "UnityCG.cginc"
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#include "UnityLightingCommon.cginc"
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struct appdata
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{
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@ -107,12 +108,16 @@ float SecondShape(float3 p) {
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float GetDist(float3 p) {
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#ifdef IS_SECONDARY_SHAPE
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return SecondShape(p);
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#else
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#ifdef BASE_PASS
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return FirstShape(p);
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#else
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float first = FirstShape(p);
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float3 second_pos = mul(unity_WorldToObject, _WorldSpaceLightPos0);
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float second = SecondShape(p - second_pos);
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return smin(first, second, 0.15f);
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#endif
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#endif
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}
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//marches a ray through the scene
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@ -143,6 +148,14 @@ float3 GetNormal(float3 p) {
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}
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fragOut frag (v2f i) {
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#ifndef IS_SECONDARY_SHAPE
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#ifndef BASE_PASS
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if (length(_LightColor0 - float4(0,0,1,0)) > 0.01f ){
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discard;
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}
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#endif
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#endif
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float3 ro = i.ro;
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float3 rd = normalize(i.hitPos - ro);
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@ -162,6 +175,7 @@ fragOut frag (v2f i) {
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// col *= float4(d, 1, 1, 1);
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fragOut o;
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o.col = col;
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// o.col = _LightColor0;
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float4 vClipPos = mul(UNITY_MATRIX_VP, mul(unity_ObjectToWorld, float4(p, 1)));
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o.depth = (vClipPos.z / vClipPos.w + 1.0) * 0.5;
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return o;
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BIN
Assets/raymarched/sphere_1m.fbx
Normal file
BIN
Assets/raymarched/sphere_1m.fbx
Normal file
Binary file not shown.
97
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Normal file
97
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54
Assets/raymarched/surf_t.shader
Normal file
54
Assets/raymarched/surf_t.shader
Normal file
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@ -0,0 +1,54 @@
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Shader "Custom/surf_t"
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{
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Properties
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{
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_Color ("Color", Color) = (1,1,1,1)
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_MainTex ("Albedo (RGB)", 2D) = "white" {}
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_Glossiness ("Smoothness", Range(0,1)) = 0.5
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_Metallic ("Metallic", Range(0,1)) = 0.0
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}
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SubShader
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{
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Tags { "RenderType"="Opaque" }
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LOD 200
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CGPROGRAM
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// Physically based Standard lighting model, and enable shadows on all light types
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#pragma surface surf Standard fullforwardshadows
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// Use shader model 3.0 target, to get nicer looking lighting
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#pragma target 3.0
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sampler2D _MainTex;
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struct Input
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{
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float2 uv_MainTex;
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};
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||||
|
||||
half _Glossiness;
|
||||
half _Metallic;
|
||||
fixed4 _Color;
|
||||
|
||||
// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
|
||||
// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
|
||||
// #pragma instancing_options assumeuniformscaling
|
||||
UNITY_INSTANCING_BUFFER_START(Props)
|
||||
// put more per-instance properties here
|
||||
UNITY_INSTANCING_BUFFER_END(Props)
|
||||
|
||||
void surf (Input IN, inout SurfaceOutputStandard o)
|
||||
{
|
||||
// Albedo comes from a texture tinted by color
|
||||
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
|
||||
o.Albedo = c.rgb;
|
||||
// Metallic and smoothness come from slider variables
|
||||
o.Metallic = _Metallic;
|
||||
o.Smoothness = _Glossiness;
|
||||
o.Alpha = c.a;
|
||||
// o.Depth += 0.1;
|
||||
}
|
||||
ENDCG
|
||||
}
|
||||
FallBack "Diffuse"
|
||||
}
|
||||
9
Assets/raymarched/surf_t.shader.meta
Normal file
9
Assets/raymarched/surf_t.shader.meta
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
fileFormatVersion: 2
|
||||
guid: f87aed02a2188c4f98cee590c5bfb06b
|
||||
ShaderImporter:
|
||||
externalObjects: {}
|
||||
defaultTextures: []
|
||||
nonModifiableTextures: []
|
||||
userData:
|
||||
assetBundleName:
|
||||
assetBundleVariant:
|
||||
89
Assets/raymarched/tes.shader
Normal file
89
Assets/raymarched/tes.shader
Normal file
|
|
@ -0,0 +1,89 @@
|
|||
Shader "Unlit/tes"
|
||||
{
|
||||
Properties
|
||||
{
|
||||
_MainTex ("Texture", 2D) = "white" {}
|
||||
_Color ("Color", Color) = (1,1,1,1)
|
||||
|
||||
}
|
||||
SubShader
|
||||
{
|
||||
Tags { "RenderType"="Opaque" }
|
||||
LOD 100
|
||||
ZWrite On
|
||||
|
||||
|
||||
Pass
|
||||
{
|
||||
CGPROGRAM
|
||||
#pragma vertex vert
|
||||
#pragma fragment frag
|
||||
// make fog work
|
||||
#pragma multi_compile_fog
|
||||
|
||||
#include "UnityCG.cginc"
|
||||
|
||||
struct appdata
|
||||
{
|
||||
float4 vertex : POSITION;
|
||||
float2 uv : TEXCOORD0;
|
||||
};
|
||||
|
||||
struct v2f
|
||||
{
|
||||
float2 uv : TEXCOORD0;
|
||||
// UNITY_FOG_COORDS(1)
|
||||
float4 vertex : SV_POSITION;
|
||||
float3 ro : TEXCOORD1;
|
||||
float3 vert_obspace : TEXCOORD2;
|
||||
};
|
||||
|
||||
struct fragOut
|
||||
{
|
||||
fixed4 col : SV_Target;
|
||||
float depth : SV_Depth;
|
||||
};
|
||||
|
||||
|
||||
sampler2D _MainTex;
|
||||
float4 _MainTex_ST;
|
||||
float4 _Color;
|
||||
|
||||
v2f vert (appdata v)
|
||||
{
|
||||
v2f o;
|
||||
o.vertex = UnityObjectToClipPos(v.vertex);
|
||||
o.vert_obspace = v.vertex;
|
||||
o.ro = mul(unity_WorldToObject, float4(_WorldSpaceCameraPos, 1));
|
||||
|
||||
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
|
||||
// UNITY_TRANSFER_FOG(o,o.vertex);
|
||||
return o;
|
||||
}
|
||||
|
||||
fragOut frag (v2f i)
|
||||
{
|
||||
// sample the texture
|
||||
fixed4 col = tex2D(_MainTex, i.uv);
|
||||
|
||||
// apply fog
|
||||
// UNITY_APPLY_FOG(i.fogCoord, col);
|
||||
fragOut o;
|
||||
// o.col = _Color*0.5;
|
||||
o.col.a=1;
|
||||
// o.depth = 1;
|
||||
|
||||
float3 rd = normalize(i.vert_obspace - i.ro);
|
||||
float d = 0;//-0.1;
|
||||
float4 vClipPos = mul(UNITY_MATRIX_VP, mul(unity_ObjectToWorld, i.vert_obspace));
|
||||
// o.depth = (vClipPos.z / vClipPos.w + 1.0) * 0.5 ;
|
||||
|
||||
// o.col.r = o.depth;
|
||||
// o.col.gb = i.ro;
|
||||
|
||||
return o;
|
||||
}
|
||||
ENDCG
|
||||
}
|
||||
}
|
||||
}
|
||||
9
Assets/raymarched/tes.shader.meta
Normal file
9
Assets/raymarched/tes.shader.meta
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
fileFormatVersion: 2
|
||||
guid: 6be601fdc9efee139829a555e35180f0
|
||||
ShaderImporter:
|
||||
externalObjects: {}
|
||||
defaultTextures: []
|
||||
nonModifiableTextures: []
|
||||
userData:
|
||||
assetBundleName:
|
||||
assetBundleVariant:
|
||||
77
Assets/raymarched/test.mat
Normal file
77
Assets/raymarched/test.mat
Normal file
|
|
@ -0,0 +1,77 @@
|
|||
%YAML 1.1
|
||||
%TAG !u! tag:unity3d.com,2011:
|
||||
--- !u!21 &2100000
|
||||
Material:
|
||||
serializedVersion: 6
|
||||
m_ObjectHideFlags: 0
|
||||
m_CorrespondingSourceObject: {fileID: 0}
|
||||
m_PrefabInstance: {fileID: 0}
|
||||
m_PrefabAsset: {fileID: 0}
|
||||
m_Name: test
|
||||
m_Shader: {fileID: 4800000, guid: 6be601fdc9efee139829a555e35180f0, type: 3}
|
||||
m_ShaderKeywords:
|
||||
m_LightmapFlags: 4
|
||||
m_EnableInstancingVariants: 0
|
||||
m_DoubleSidedGI: 0
|
||||
m_CustomRenderQueue: -1
|
||||
stringTagMap: {}
|
||||
disabledShaderPasses: []
|
||||
m_SavedProperties:
|
||||
serializedVersion: 3
|
||||
m_TexEnvs:
|
||||
- _BumpMap:
|
||||
m_Texture: {fileID: 0}
|
||||
m_Scale: {x: 1, y: 1}
|
||||
m_Offset: {x: 0, y: 0}
|
||||
- _DetailAlbedoMap:
|
||||
m_Texture: {fileID: 0}
|
||||
m_Scale: {x: 1, y: 1}
|
||||
m_Offset: {x: 0, y: 0}
|
||||
- _DetailMask:
|
||||
m_Texture: {fileID: 0}
|
||||
m_Scale: {x: 1, y: 1}
|
||||
m_Offset: {x: 0, y: 0}
|
||||
- _DetailNormalMap:
|
||||
m_Texture: {fileID: 0}
|
||||
m_Scale: {x: 1, y: 1}
|
||||
m_Offset: {x: 0, y: 0}
|
||||
- _EmissionMap:
|
||||
m_Texture: {fileID: 0}
|
||||
m_Scale: {x: 1, y: 1}
|
||||
m_Offset: {x: 0, y: 0}
|
||||
- _MainTex:
|
||||
m_Texture: {fileID: 0}
|
||||
m_Scale: {x: 1, y: 1}
|
||||
m_Offset: {x: 0, y: 0}
|
||||
- _MetallicGlossMap:
|
||||
m_Texture: {fileID: 0}
|
||||
m_Scale: {x: 1, y: 1}
|
||||
m_Offset: {x: 0, y: 0}
|
||||
- _OcclusionMap:
|
||||
m_Texture: {fileID: 0}
|
||||
m_Scale: {x: 1, y: 1}
|
||||
m_Offset: {x: 0, y: 0}
|
||||
- _ParallaxMap:
|
||||
m_Texture: {fileID: 0}
|
||||
m_Scale: {x: 1, y: 1}
|
||||
m_Offset: {x: 0, y: 0}
|
||||
m_Floats:
|
||||
- _BumpScale: 1
|
||||
- _Cutoff: 0.5
|
||||
- _DetailNormalMapScale: 1
|
||||
- _DstBlend: 0
|
||||
- _GlossMapScale: 1
|
||||
- _Glossiness: 0.5
|
||||
- _GlossyReflections: 1
|
||||
- _Metallic: 0
|
||||
- _Mode: 0
|
||||
- _OcclusionStrength: 1
|
||||
- _Parallax: 0.02
|
||||
- _SmoothnessTextureChannel: 0
|
||||
- _SpecularHighlights: 1
|
||||
- _SrcBlend: 1
|
||||
- _UVSec: 0
|
||||
- _ZWrite: 1
|
||||
m_Colors:
|
||||
- _Color: {r: 1, g: 0.5330188, b: 0.6564782, a: 1}
|
||||
- _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
|
||||
8
Assets/raymarched/test.mat.meta
Normal file
8
Assets/raymarched/test.mat.meta
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
fileFormatVersion: 2
|
||||
guid: c17c9048a4216420cad3de8ca5a67eeb
|
||||
NativeFormatImporter:
|
||||
externalObjects: {}
|
||||
mainObjectFileID: 2100000
|
||||
userData:
|
||||
assetBundleName:
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||||
assetBundleVariant:
|
||||
Loading…
Reference in a new issue