Initial Commit

Assets/Oculus/Interaction/Runtime/Shaders/Locomotion/Hotspot.shader

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+Shader "Unlit/Hotspot"
+{
+	Properties
+	{
+		_MainTex("Texture", 2D) = "white" {}
+		_Color("Color", COLOR) = (1,1,1,1)
+		_Progress("Progress",Range(0,1)) = 0
+		_Highlight("Highlight Strength",Range(0,1)) = 0
+		_HighlightColor("Highlight Color", COLOR) = (1,1,1,1)
+		_ShrinkLimit("Shrink Limit",float) = 0.227
+		[Toggle(NORMALS_SHRINK)] _NormalsShrink("Shrink along normal", Float) = 0
+	}
+		SubShader
+		{
+			Tags { "RenderType" = "Transparent" "Queue" = "Transparent-10" }
+			LOD 100
+			Blend SrcAlpha OneMinusSrcAlpha
+			Pass
+			{
+				CGPROGRAM
+				#pragma vertex vert
+				#pragma fragment frag
+				#pragma multi_compile_fwdbase nolightmap nodirlightmap nodynlightmap novertexlight
+				#pragma multi_compile_local __ NORMALS_SHRINK
+
+				#include "UnityCG.cginc"
+
+				struct VertexInput
+				{
+					float4 vertex : POSITION;
+					float2 uv : TEXCOORD0;
+#if NORMALS_SHRINK
+					float3 normal : NORMAL;
+#endif
+					UNITY_VERTEX_INPUT_INSTANCE_ID
+				};
+
+				struct VertexOutput
+				{
+					float2 uv : TEXCOORD0;
+					float4 vertex : SV_POSITION;
+					UNITY_VERTEX_INPUT_INSTANCE_ID
+					UNITY_VERTEX_OUTPUT_STEREO
+				};
+
+				sampler2D _MainTex;
+				half4 _Color;
+				half _Progress;
+				half _Highlight;
+				half4 _HighlightColor;
+				half _ShrinkLimit;
+
+				VertexOutput vert(VertexInput v)
+				{
+					VertexOutput o;
+					UNITY_SETUP_INSTANCE_ID(v);
+					UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
+					UNITY_TRANSFER_INSTANCE_ID(v, o);
+
+#if NORMALS_SHRINK
+					float2 radius = v.normal.xz;
+#else
+					float2 radius = v.uv - float2(0.5, 0.5);
+					radius = normalize(radius);
+					_Progress = 1 - _Progress;
+#endif
+					half2 shrink = radius * _Progress * _ShrinkLimit;
+					v.vertex.xz += shrink;
+					v.uv -= shrink;
+					o.vertex = UnityObjectToClipPos(v.vertex);
+					o.uv = v.uv;
+					return o;
+				}
+
+				half4 frag(VertexOutput i) : SV_Target
+				{
+					half4 col = tex2D(_MainTex, i.uv) * _Color;
+					col.rgb = lerp(col.rgb, _HighlightColor.rgb, _Highlight * _HighlightColor.a);
+					return col;
+				}
+				ENDCG
+			}
+		}
+}