Create PixelArtFont_Outline.shader

Assets/Ocias/PixelArtCamera/PixelArtFont_Outline.shader

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+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+Shader "Ocias/Pixel Art Font Outline" 
+{
+	Properties 
+	{
+		_MainTex ("Font Texture", 2D) = "white" {}
+		_Color ("Text Color", Color) = (1,1,1,1)
+
+		[PerRendererData] _Outline ("Outline", Float) = 0
+		[PerRendererData] _OutlineColor("Outline Color", Color) = (0,0,0,1)
+
+		_StencilComp ("Stencil Comparison", Float) = 8
+		_Stencil ("Stencil ID", Float) = 0
+		_StencilOp ("Stencil Operation", Float) = 0
+		_StencilWriteMask ("Stencil Write Mask", Float) = 255
+		_StencilReadMask ("Stencil Read Mask", Float) = 255
+
+		_ColorMask ("Color Mask", Float) = 15
+	}
+
+	SubShader 
+	{
+		Tags 
+		{
+			"Queue"="Transparent"
+			"IgnoreProjector"="True"
+			"RenderType"="Transparent"
+			"PreviewType"="Plane"
+		}
+
+		Stencil
+		{
+			Ref [_Stencil]
+			Comp [_StencilComp]
+			Pass [_StencilOp] 
+			ReadMask [_StencilReadMask]
+			WriteMask [_StencilWriteMask]
+		}
+
+		Lighting Off 
+		Cull Off 
+		ZTest [unity_GUIZTestMode]
+		ZWrite Off 
+		Blend SrcAlpha OneMinusSrcAlpha
+		ColorMask [_ColorMask]
+
+		Pass 
+		{
+		CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#include "UnityCG.cginc"
+
+			struct appdata_t {
+				float4 vertex : POSITION;
+				fixed4 color : COLOR;
+				float2 texcoord : TEXCOORD0;
+			};
+
+			struct v2f {
+				float4 vertex : SV_POSITION;
+				fixed4 color : COLOR;
+				float2 texcoord : TEXCOORD0;
+			};
+
+			sampler2D _MainTex;
+			uniform float4 _MainTex_ST;
+			uniform fixed4 _Color;
+
+			float _Outline;
+			fixed4 _OutlineColor;
+			float4 _MainTex_TexelSize;
+
+			inline float4 ViewSpacePixelSnap (float4 pos) {
+
+				float2 halfScreenRes = _ScreenParams.xy * 0.5f;
+
+				// // View space Pixel Snapping
+				float2 pixelPos = round(pos * halfScreenRes + 1 / halfScreenRes) / halfScreenRes; // put back in that half pixel offset when you're done
+				pos.xy = pixelPos;
+
+				// Odd resolution handling
+				float2 odd = _ScreenParams.xy % 2;
+				pos.x += odd.x * 0.5 / halfScreenRes.x;
+				pos.y += odd.y * 0.5 / halfScreenRes.y;
+
+				return pos;
+			}
+
+			v2f vert (appdata_t v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.color = v.color * _Color;
+				o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
+#ifdef UNITY_HALF_TEXEL_OFFSET
+				o.vertex.xy += (_ScreenParams.zw-1.0)*float2(-1,1);
+#endif
+				o.vertex = ViewSpacePixelSnap(o.vertex);
+				return o;
+			}
+
+			fixed4 frag (v2f IN) : SV_Target
+			{
+				fixed4 col = IN.color;
+				col.a *= tex2D(_MainTex, IN.texcoord).a;
+				//clip (col.a - 0.01);
+
+				//Outline
+				fixed4 currentPixel = tex2D(_MainTex, IN.texcoord + fixed2(0, 0));
+				fixed4 pixelUp = tex2D(_MainTex, IN.texcoord + fixed2(0, 1 * _MainTex_TexelSize.y));
+				fixed4 pixelDown = tex2D(_MainTex, IN.texcoord - fixed2(0, 1 *  _MainTex_TexelSize.y));
+				fixed4 pixelRight = tex2D(_MainTex, IN.texcoord + fixed2(1 * _MainTex_TexelSize.x, 0));
+				fixed4 pixelLeft = tex2D(_MainTex, IN.texcoord - fixed2(1 * _MainTex_TexelSize.x, 0));
+				//Diagonals
+				fixed4 pixelUpLeft = tex2D(_MainTex, IN.texcoord - fixed2(1 * _MainTex_TexelSize.x, 1 * _MainTex_TexelSize.y));
+				fixed4 pixelUpRight = tex2D(_MainTex, IN.texcoord - fixed2(-1 * _MainTex_TexelSize.x, 1 * _MainTex_TexelSize.y));
+				fixed4 pixelDownRight = tex2D(_MainTex, IN.texcoord + fixed2(1 * _MainTex_TexelSize.x, 1 * _MainTex_TexelSize.y));
+				fixed4 pixelDownLeft = tex2D(_MainTex, IN.texcoord + fixed2(-1 * _MainTex_TexelSize.x, 1 * _MainTex_TexelSize.y));
+
+				float nearPixelA = max(max(max(max(max(max(max(pixelUp.a, pixelDown.a), pixelRight.a), pixelLeft.a),
+					pixelUpLeft.a), pixelDownRight.a), pixelUpRight.a), pixelDownLeft.a);
+
+				float currentA = (1 - currentPixel.a) * (nearPixelA) * _Outline;
+				fixed4 resultColor = lerp(col.rgba, _OutlineColor, currentA);
+
+				col.rgba = fixed4(1, 1, 1, 1) * resultColor;
+				return col;
+			}
+
+		ENDCG
+		}
+	}
+}

Assets/Ocias/PixelArtCamera/PixelArtFont_UI_Outline

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+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+Shader "TinyBird/Text UI with Outline" 
+{
+	Properties 
+	{
+		_MainTex ("Font Texture", 2D) = "white" {}
+		_Color ("Text Color", Color) = (1,1,1,1)
+
+		[MaterialToggle] _Outline ("Outline", Float) = 1
+		_OutlineColor("Outline Color", Color) = (0,0,0,1)
+
+		_StencilComp ("Stencil Comparison", Float) = 8
+		_Stencil ("Stencil ID", Float) = 0
+		_StencilOp ("Stencil Operation", Float) = 0
+		_StencilWriteMask ("Stencil Write Mask", Float) = 255
+		_StencilReadMask ("Stencil Read Mask", Float) = 255
+
+		_ColorMask ("Color Mask", Float) = 15
+	}
+
+	SubShader 
+	{
+		Tags 
+		{
+			"Queue"="Transparent"
+			"IgnoreProjector"="True"
+			"RenderType"="Transparent"
+			"PreviewType"="Plane"
+		}
+
+		Stencil
+		{
+			Ref [_Stencil]
+			Comp [_StencilComp]
+			Pass [_StencilOp] 
+			ReadMask [_StencilReadMask]
+			WriteMask [_StencilWriteMask]
+		}
+
+		Lighting Off 
+		Cull Off 
+		ZTest [unity_GUIZTestMode]
+		ZWrite Off 
+		Blend SrcAlpha OneMinusSrcAlpha
+		ColorMask [_ColorMask]
+
+		Pass 
+		{
+		CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#include "UnityCG.cginc"
+
+			struct appdata_t {
+				float4 vertex : POSITION;
+				fixed4 color : COLOR;
+				float2 texcoord : TEXCOORD0;
+			};
+
+			struct v2f {
+				float4 vertex : SV_POSITION;
+				fixed4 color : COLOR;
+				float2 texcoord : TEXCOORD0;
+			};
+
+			sampler2D _MainTex;
+			uniform float4 _MainTex_ST;
+			uniform fixed4 _Color;
+
+			float _Outline;
+			fixed4 _OutlineColor;
+			float4 _MainTex_TexelSize;
+
+			inline float4 ViewSpacePixelSnap (float4 pos) {
+
+				float2 halfScreenRes = _ScreenParams.xy * 0.5f;
+
+				// // View space Pixel Snapping
+				float2 pixelPos = round(pos * halfScreenRes + 1 / halfScreenRes) / halfScreenRes; // put back in that half pixel offset when you're done
+				pos.xy = pixelPos;
+
+				// Odd resolution handling
+				float2 odd = _ScreenParams.xy % 2;
+				pos.x += odd.x * 0.5 / halfScreenRes.x;
+				pos.y += odd.y * 0.5 / halfScreenRes.y;
+
+				return pos;
+			}
+
+			v2f vert (appdata_t v)
+			{
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.color = v.color * _Color;
+				o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
+#ifdef UNITY_HALF_TEXEL_OFFSET
+				o.vertex.xy += (_ScreenParams.zw-1.0)*float2(-1,1);
+#endif
+				o.vertex = ViewSpacePixelSnap(o.vertex);
+				return o;
+			}
+
+			fixed4 frag (v2f IN) : SV_Target
+			{
+				fixed4 col = IN.color;
+				col.a *= tex2D(_MainTex, IN.texcoord).a;
+				//clip (col.a - 0.01);
+
+				//Outline
+				fixed4 currentPixel = tex2D(_MainTex, IN.texcoord + fixed2(0, 0));
+				fixed4 pixelUp = tex2D(_MainTex, IN.texcoord + fixed2(0, 1 * _MainTex_TexelSize.y));
+				fixed4 pixelDown = tex2D(_MainTex, IN.texcoord - fixed2(0, 1 *  _MainTex_TexelSize.y));
+				fixed4 pixelRight = tex2D(_MainTex, IN.texcoord + fixed2(1 * _MainTex_TexelSize.x, 0));
+				fixed4 pixelLeft = tex2D(_MainTex, IN.texcoord - fixed2(1 * _MainTex_TexelSize.x, 0));
+				//Diagonals
+				fixed4 pixelUpLeft = tex2D(_MainTex, IN.texcoord - fixed2(1 * _MainTex_TexelSize.x, 1 * _MainTex_TexelSize.y));
+				fixed4 pixelUpRight = tex2D(_MainTex, IN.texcoord - fixed2(-1 * _MainTex_TexelSize.x, 1 * _MainTex_TexelSize.y));
+				fixed4 pixelDownRight = tex2D(_MainTex, IN.texcoord + fixed2(1 * _MainTex_TexelSize.x, 1 * _MainTex_TexelSize.y));
+				fixed4 pixelDownLeft = tex2D(_MainTex, IN.texcoord + fixed2(-1 * _MainTex_TexelSize.x, 1 * _MainTex_TexelSize.y));
+
+				float nearPixelA = max(max(max(max(max(max(max(pixelUp.a, pixelDown.a), pixelRight.a), pixelLeft.a),
+					pixelUpLeft.a), pixelDownRight.a), pixelUpRight.a), pixelDownLeft.a);
+
+				float currentA = (1 - currentPixel.a) * (nearPixelA) * _Outline;
+				fixed4 resultColor = lerp(col.rgba, _OutlineColor, currentA);
+
+				col.rgba = fixed4(1, 1, 1, 1) * resultColor;
+				return col;
+			}
+
+		ENDCG
+		}
+	}
+}