unity版本:Unity 2018.2.0f2 (64-bit)
shader实现如下:
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
#pragma fragmentoption ARB_precision_hint_fastest
#include "UnityCG.cginc"
half _Outline;
fixed4 _OutlineColor;
struct appdata {
half4 vertex : POSITION;
half3 normal : NORMAL;
};
struct v2f_outline {
half4 pos : SV_POSITION;
};
v2f_outline vert_outline(appdata v) {
v2f_outline o;
o.pos = UnityObjectToClipPos(v.vertex);
half3 norm = mul ((float3x3)UNITY_MATRIX_IT_MV, v.normal);
half2 offset = TransformViewToProjection(norm.xy);
o.pos.xy += offset * o.pos.z * _Outline;
return o;
}
fixed4 frag_outline(v2f_outline i) : COLOR
{
return _OutlineColor;
}
ios真机上描边显示正常,android真机上描边显示得很粗,(项目保密,截图不便公开,找了个图替代)