add LineRenderer_ClipStartEnd.shader

Assets/Shaders/2D/LineRenderer/LineRenderer_ClipStartEnd.shader

@@ -0,0 +1,62 @@
+Shader "UnityLibrary/LineRenderer/ClipStartEnd"
+{
+	Properties
+	{
+		_MainTex ("Texture", 2D) = "white" {}
+		_Start ("Start", Range (0.0,1.0)) = 0.25
+		_End ("End", Range (0.0,1.0)) = 0.75
+	}
+
+	SubShader
+	{
+		Tags { "RenderType"="Opaque" }
+		LOD 100
+
+		Pass
+		{
+		CGPROGRAM
+		#pragma vertex vert
+		#pragma fragment frag
+
+		#include "UnityCG.cginc"
+
+		struct appdata
+		{
+			float4 vertex : POSITION;
+			float2 uv : TEXCOORD0;
+			float4 color : COLOR;
+		};
+
+		struct v2f
+		{
+			float2 uv : TEXCOORD0;
+			float4 vertex : SV_POSITION;
+			float4 color : COLOR;
+		};
+
+		sampler2D _MainTex;
+		float4 _MainTex_ST;
+		float _Start;
+		float _End;
+
+
+		v2f vert (appdata v)
+		{
+			v2f o;
+			o.vertex = UnityObjectToClipPos(v.vertex);
+			o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+			o.color = v.color;
+			return o;
+		}
+
+		fixed4 frag(v2f i) : SV_Target
+		{
+			fixed4 col = tex2D(_MainTex, i.uv)*i.color;
+			clip(-(i.uv.x <_Start || i.uv.x > _End));
+			// return fixed4(i.uv.x,0,0,0); // view UV x
+			return col;
+		}
+		ENDCG
+		}
+	}
+}