Retro VFX! (also airboarder works now) (#780)

* Super Retro VFX!

* Updated Screen Jump default

* also airboarder works now

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Co-authored-by: minenice55 <star.elementa@gmail.com>

Assets/X-PostProcessing/Effects/RapidVignette/Shader/RapidVignette.shader

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+
+//----------------------------------------------------------------------------------------------------------
+// X-PostProcessing Library
+// https://github.com/QianMo/X-PostProcessing-Library
+// Copyright (C) 2020 QianMo. All rights reserved.
+// Licensed under the MIT License 
+// You may not use this file except in compliance with the License.You may obtain a copy of the License at
+// http://opensource.org/licenses/MIT
+//----------------------------------------------------------------------------------------------------------
+
+Shader "Hidden/X-PostProcessing/RapidVignette"
+{
+
+	HLSLINCLUDE
+
+	#include "../../../Shaders/StdLib.hlsl"
+	#include "../../../Shaders/XPostProcessing.hlsl"
+
+	struct VertexOutput
+	{
+		float4 vertex: SV_POSITION;
+		float4 texcoord: TEXCOORD0;
+	};
+
+	half _VignetteIndensity;
+	half2 _VignetteCenter;
+	half4 _VignetteColor;
+
+
+	VertexOutput Vert(AttributesDefault v)
+	{
+		VertexOutput o;
+		o.vertex = float4(v.vertex.xy, 0.0, 1.0);
+		o.texcoord.xy = TransformTriangleVertexToUV(v.vertex.xy);
+
+		#if UNITY_UV_STARTS_AT_TOP
+			o.texcoord.xy = o.texcoord.xy * float2(1.0, -1.0) + float2(0.0, 1.0);
+		#endif
+
+		// uv [0, 1] ->[-0.5, 0.5]
+		o.texcoord.zw = o.texcoord.xy - _VignetteCenter;
+
+		return o;
+	}
+
+	float4 Frag(VertexOutput i): SV_Target
+	{
+		float4 finalColor = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, i.texcoord.xy);
+
+		//求解vignette强度
+		float vignetteIndensity = saturate(1.0 - dot(i.texcoord.zw, i.texcoord.zw) * _VignetteIndensity);
+
+		return vignetteIndensity * finalColor;
+	}
+
+
+	float4 Frag_ColorAdjust(VertexOutput i): SV_Target
+	{
+		float4 finalColor = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, i.texcoord.xy);
+
+		//求解vignette强度
+		float vignetteIndensity = saturate(1.0 - dot(i.texcoord.zw, i.texcoord.zw) * _VignetteIndensity);
+
+		//基于vignette强度，插值VignetteColor颜色和场景颜色
+		finalColor.rgb = lerp(_VignetteColor.rgb, finalColor.rgb, vignetteIndensity);
+
+		return half4(finalColor.rgb, _VignetteColor.a);
+	}
+	
+	ENDHLSL
+	
+	SubShader
+	{
+		Cull Off ZWrite Off ZTest Always
+		Pass
+		{
+			HLSLPROGRAM
+			
+			#pragma vertex Vert
+			#pragma fragment Frag
+			
+			ENDHLSL
+			
+		}
+
+		Pass
+		{
+			HLSLPROGRAM
+			
+			#pragma vertex Vert
+			#pragma fragment Frag_ColorAdjust
+			ENDHLSL
+			
+		}
+	}
+}
+