I am trying to forge a shader that will allow my character to have all cool features like lights, normals and all that jazz. But i have an issue where lights sources are making the spine mesh look transparent. All but the directional light which works fine (???). Any tips or guidance would be awesome please find an example below…
and the generated shader code
Shader "Another Circus/2dSpine" {
Properties {
_MainTex ("MainTex", 2D) = "white" {}
[HideInInspector]_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
}
SubShader {
Tags {
"IgnoreProjector"="True"
"Queue"="Transparent"
"RenderType"="Transparent"
"CanUseSpriteAtlas"="True"
"PreviewType"="Plane"
}
Pass {
Name "FORWARD"
Tags {
"LightMode"="ForwardBase"
}
Blend SrcAlpha OneMinusSrcAlpha
ZWrite Off
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#define UNITY_PASS_FORWARDBASE
#include "UnityCG.cginc"
#pragma multi_compile_fwdbase
#pragma multi_compile_fog
#pragma exclude_renderers metal d3d11_9x xbox360 xboxone ps3 ps4 psp2
#pragma target 3.0
uniform float4 _LightColor0;
uniform sampler2D _MainTex; uniform float4 _MainTex_ST;
struct VertexInput {
float4 vertex : POSITION;
float3 normal : NORMAL;
float2 texcoord0 : TEXCOORD0;
};
struct VertexOutput {
float4 pos : SV_POSITION;
float2 uv0 : TEXCOORD0;
float4 posWorld : TEXCOORD1;
float3 normalDir : TEXCOORD2;
UNITY_FOG_COORDS(3)
};
VertexOutput vert (VertexInput v) {
VertexOutput o = (VertexOutput)0;
o.uv0 = v.texcoord0;
o.normalDir = UnityObjectToWorldNormal(v.normal);
o.posWorld = mul(_Object2World, v.vertex);
float3 lightColor = _LightColor0.rgb;
o.pos = mul(UNITY_MATRIX_MVP, v.vertex );
UNITY_TRANSFER_FOG(o,o.pos);
return o;
}
float4 frag(VertexOutput i) : COLOR {
i.normalDir = normalize(i.normalDir);
float3 normalDirection = i.normalDir;
float3 lightDirection = normalize(_WorldSpaceLightPos0.xyz);
float3 lightColor = _LightColor0.rgb;
////// Lighting:
float attenuation = 1;
float3 attenColor = attenuation * _LightColor0.xyz;
/////// Diffuse:
float NdotL = max(0.0,dot( normalDirection, lightDirection ));
float3 directDiffuse = max( 0.0, NdotL) * attenColor;
float4 _MainTex_var = tex2D(_MainTex,TRANSFORM_TEX(i.uv0, _MainTex));
float3 diffuseColor = _MainTex_var.rgb;
float3 diffuse = directDiffuse * diffuseColor;
/// Final Color:
float3 finalColor = diffuse;
fixed4 finalRGBA = fixed4(finalColor,_MainTex_var.a);
UNITY_APPLY_FOG(i.fogCoord, finalRGBA);
return finalRGBA;
}
ENDCG
}
Pass {
Name "FORWARD_DELTA"
Tags {
"LightMode"="ForwardAdd"
}
Blend One One
ZWrite Off
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#define UNITY_PASS_FORWARDADD
#include "UnityCG.cginc"
#include "AutoLight.cginc"
#pragma multi_compile_fwdadd
#pragma multi_compile_fog
#pragma exclude_renderers metal d3d11_9x xbox360 xboxone ps3 ps4 psp2
#pragma target 3.0
uniform float4 _LightColor0;
uniform sampler2D _MainTex; uniform float4 _MainTex_ST;
struct VertexInput {
float4 vertex : POSITION;
float3 normal : NORMAL;
float2 texcoord0 : TEXCOORD0;
};
struct VertexOutput {
float4 pos : SV_POSITION;
float2 uv0 : TEXCOORD0;
float4 posWorld : TEXCOORD1;
float3 normalDir : TEXCOORD2;
LIGHTING_COORDS(3,4)
UNITY_FOG_COORDS(5)
};
VertexOutput vert (VertexInput v) {
VertexOutput o = (VertexOutput)0;
o.uv0 = v.texcoord0;
o.normalDir = UnityObjectToWorldNormal(v.normal);
o.posWorld = mul(_Object2World, v.vertex);
float3 lightColor = _LightColor0.rgb;
o.pos = mul(UNITY_MATRIX_MVP, v.vertex );
UNITY_TRANSFER_FOG(o,o.pos);
TRANSFER_VERTEX_TO_FRAGMENT(o)
return o;
}
float4 frag(VertexOutput i) : COLOR {
i.normalDir = normalize(i.normalDir);
float3 normalDirection = i.normalDir;
float3 lightDirection = normalize(lerp(_WorldSpaceLightPos0.xyz, _WorldSpaceLightPos0.xyz - i.posWorld.xyz,_WorldSpaceLightPos0.w));
float3 lightColor = _LightColor0.rgb;
////// Lighting:
float attenuation = LIGHT_ATTENUATION(i);
float3 attenColor = attenuation * _LightColor0.xyz;
/////// Diffuse:
float NdotL = max(0.0,dot( normalDirection, lightDirection ));
float3 directDiffuse = max( 0.0, NdotL) * attenColor;
float4 _MainTex_var = tex2D(_MainTex,TRANSFORM_TEX(i.uv0, _MainTex));
float3 diffuseColor = _MainTex_var.rgb;
float3 diffuse = directDiffuse * diffuseColor;
/// Final Color:
float3 finalColor = diffuse;
fixed4 finalRGBA = fixed4(finalColor * _MainTex_var.a,0);
UNITY_APPLY_FOG(i.fogCoord, finalRGBA);
return finalRGBA;
}
ENDCG
}
}
FallBack "Diffuse"
CustomEditor "ShaderForgeMaterialInspector"
}
Thanks!
Sotiris