clean project

Assets/Oculus/Interaction/Samples/ThirdParty/GradientSkybox/LICENSE.txt

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+MIT License
+
+Copyright (c) 2018 aadebdeb
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Assets/Oculus/Interaction/Samples/ThirdParty/GradientSkybox/LICENSE.txt.meta

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Assets/Oculus/Interaction/Samples/ThirdParty/GradientSkybox/Skybox_ThreeColorGradient.mat

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+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: Skybox_ThreeColorGradient
+  m_Shader: {fileID: 4800000, guid: 87d58b1c0db8a6947bca68a506c1b428, type: 3}
+  m_ShaderKeywords: 
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+    m_TexEnvs: []
+    m_Floats:
+    - _DitherStrength: 32
+    - _Exp: 0.98
+    m_Colors:
+    - _BottomColor: {r: 0.3372549, g: 0.34509805, b: 0.36862746, a: 1}
+    - _MiddleColor: {r: 0.622944, g: 0.633456, b: 0.672, a: 1}
+    - _TopColor: {r: 0.92941177, g: 0.91361177, b: 0.8662118, a: 1}
+    - _Up: {r: 0, g: 1, b: 0, a: 1}
+  m_BuildTextureStacks: []

Assets/Oculus/Interaction/Samples/ThirdParty/GradientSkybox/Skybox_ThreeColorGradient.mat.meta

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Assets/Oculus/Interaction/Samples/ThirdParty/GradientSkybox/ThreeColorGradient.shader

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+/************************************************************************************
+Copyright : Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
+
+Your use of this SDK or tool is subject to the Oculus SDK License Agreement, available at
+https://developer.oculus.com/licenses/oculussdk/
+
+Unless required by applicable law or agreed to in writing, the Utilities SDK distributed
+under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+ANY KIND, either express or implied. See the License for the specific language governing
+permissions and limitations under the License.
+************************************************************************************/
+
+Shader "Skybox/ThreeColorGradient" {
+	Properties {
+		_TopColor ("Top Color", Color) = (1, 0.3, 0.3, 0)
+		_MiddleColor ("MiddleColor", Color) = (1.0, 1.0, 0.8)
+		_BottomColor ("Bottom Color", Color) = (0.3, 0.3, 1, 0)
+		_Up ("Up", Vector) = (0, 1, 0)
+		_Exp ("Exp", Range(0, 16)) = 1 
+		_DitherStrength("Dither Strength", int) = 16
+	}
+	SubShader {
+		Tags {
+			"RenderType" = "Background"
+			"Queue" = "Background"
+			"PreviewType" = "Skybox"
+		}
+		Pass {
+			ZWrite Off
+			Cull Off
+
+			CGPROGRAM
+
+			#pragma vertex vert
+			#pragma fragment frag
+
+			fixed3 _TopColor, _BottomColor, _MiddleColor;
+			float3 _Up;
+			float _Exp;
+            float _DitherStrength;
+
+			struct appdata {
+				float4 vertex : POSITION;
+				float3 texcoord : TEXCOORD0;
+			};
+
+			struct v2f {
+				float4 vertex : SV_POSITION;
+				float3 texcoord : TEXCOORD0;
+			};
+
+			v2f vert (appdata v) {
+				v2f o;
+				o.vertex = UnityObjectToClipPos(v.vertex);
+				o.texcoord = v.texcoord;
+				return o;
+			}
+
+			inline half DitherAnimatedNoise(half2 screenPos) {
+              half noise = frac(
+                  dot(uint3(screenPos, floor(fmod(_Time.y * 10, 4))), uint3(2, 7, 23) / 17.0f));
+              noise -= 0.5; // remap from [0..1[ to [-0.5..0.5[
+              half noiseScaled = (noise / _DitherStrength);
+              return noiseScaled;
+            }
+
+
+			fixed4 frag (v2f i) : SV_TARGET {
+				float3 texcoord = normalize(i.texcoord);
+				half ditherNoise = DitherAnimatedNoise(i.vertex.xy);
+
+				float3 up = normalize(_Up);
+				float d = dot(texcoord, up);
+				float s = sign(d);
+				return fixed4(lerp(_MiddleColor, s < 0.0 ? _BottomColor : _TopColor, (pow(abs(d), _Exp) + ditherNoise )), 1);
+			}
+
+			ENDCG
+		}
+	}
+	CustomEditor "GradientSkybox.LinearThreeColorGradientSkyboxGUI"
+}

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