// 設定貼圖檔案的圖片壓縮格式 textureImporter.textureFormat = TextureImporterFormat.PVRTC_RGBA4; // 設定了Import Settings之後再使用AssetDatabase.ImportAsset進行asset的更新 AssetDatabase.ImportAsset(path, ImportAssetOptions.ForceUpdate );
這是一個帶有類似Rim Light效果及Tint Color，並且可以與原始的Texture做Blending的不受光Fragment Shader，用於角色受擊效果。
Shader "Custom/Unlit Transparent Cutout With Color" {
Properties {
_Color ("Color (RGB) Blending (A)", Color) = (1,0,0,0)
_MainTex ("Base (RGB) Trans (A)", 2D) = "white" {}
_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
}
// Fragment shader by Janus Huang
SubShader {
Tags {"Queue"="AlphaTest" "IgnoreProjector"="True" "RenderType"="TransparentCutout"}
Blend SrcAlpha OneMinusSrcAlpha
Lighting Off
Pass {
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata {
fixed4 vertex : POSITION;
fixed3 normal : NORMAL;
fixed2 texcoord : TEXCOORD0;
};
struct v2f {
fixed4 pos : SV_POSITION;
fixed2 uv : TEXCOORD0;
fixed4 color : COLOR;
};
fixed4 _MainTex_ST;
fixed4 _Color;
fixed _Cutoff;
v2f vert (appdata_base v) {
v2f o;
o.pos = mul (UNITY_MATRIX_MVP, v.vertex);
fixed3 viewDir = normalize(ObjSpaceViewDir(v.vertex));
// 越是面向camera的vertex在dot計算後會獲得越大的計算結果
fixed dotProduct = dot(v.normal, viewDir);
// smoothstep用法同lerp, 但其曲線在頭尾都會趨緩
o.color = smoothstep(0.5, 1, dotProduct);
o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
return o;
}
sampler2D _MainTex;
fixed4 frag(v2f i) : COLOR {
fixed4 texcol = tex2D(_MainTex, i.uv);
// clip同AlphaTest
clip( texcol.a - _Cutoff );
// 受擊時的color計算 - 將貼圖加亮1.5倍後乘上dot計算後的黑白色(外黑內白)再加上_Color
fixed3 hitColor = texcol.rgb * 1.5 * i.color.rgb + _Color.rgb;
// 以_Color的alpha控制貼圖與受擊時的混合程度
texcol.rgb = lerp( texcol.rgb, hitColor, _Color.a);
return texcol;
}
ENDCG
}
}
}
Shader "Custom/Unlit Opaque With Color" {
Properties {
_Color ("Color (RGB) Blending (A)", Color) = (1,0,0,0)
_MainTex ("Base (RGB)", 2D) = "white" {}
}
SubShader {
Tags {"RenderType"="Opaque" "IgnoreProjector"="True"}
Lighting Off
Cull back
ZWrite On
Pass {
SetTexture [_MainTex] {
ConstantColor [_Color]
combine constant lerp(constant) texture
}
}
}
FallBack "Unlit/Diffuse"
}
Shader "Custom/Unlit Transparent Cutout With Color" {
Properties {
_Color ("Color (RGB) Blending (A)", Color) = (1,0,0,0)
_MainTex ("Base (RGB) Trans (A)", 2D) = "white" {}
_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
}
SubShader {
Tags {"Queue"="AlphaTest" "IgnoreProjector"="True" "RenderType"="TransparentCutout"}
Lighting Off
Cull back
ZWrite On
Blend SrcAlpha OneMinusSrcAlpha
Pass {
Alphatest Greater [_Cutoff]
SetTexture [_MainTex] {
ConstantColor [_Color]
combine constant lerp(constant) texture, texture
}
}
}
FallBack "Unlit/TransparentCutout"
}
rx = dotNetClass "System.Text.RegularExpressions.RegEx"
pattern = "^([A-Za-z0-9]+_){2}\d{3}"
s = "robot_leftArm_001"
if (((rx.match s pattern).success) == true) then (print "success") else (print "fail!")