Unity - ChromaKey
https://www.youtube.com/watch?v=gwVMOzPP8dw
https://www.youtube.com/watch?v=67sDDdGAxLQ
https://www.youtube.com/watch?v=ve_NQgrlfto
https://github.com/hecomi/uChromaKey
https://github.com/otdavies/UnityChromakey
Shader “Custom/ChromaKey” {
Properties {
_MainTex (“Base (RGB)”, 2D) = “white” {}
}
SubShader {
Tags { “Queue”=”Transparent” “RenderType”=”Transparent” }
LOD 200
CGPROGRAM
#pragma surface surf Lambert alpha
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
void surf (Input IN, inout SurfaceOutput o) {
half4 c = tex2D (_MainTex, IN.uv_MainTex);
o.Albedo = c.rgb;
// #################################
//
// CHANGE THESE VALUES DEPENDING ON WHAT SHOULD BE TRANSPARENT
//
// #################################
if (c.g > 200.0/255.0 && c.r < 200.0/255.0 && c.b < 200.0/255.0)
{
o.Alpha = 0.0;
}
else
{
o.Alpha = c.a;
}
}
ENDCG
}
FallBack "Diffuse"
}