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/BokehBlur/Shader/BokehBlur.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
+//----------------------------------------------------------------------------------------------------------
+
+// reference : https://www.shadertoy.com/view/4d2Xzw
+
+Shader "Hidden/X-PostProcessing/BokehBlur"
+{
+	HLSLINCLUDE
+	
+	#include "../../../Shaders/StdLib.hlsl"
+	#include "../../../Shaders/XPostProcessing.hlsl"
+	
+	half4 _GoldenRot;
+	half4 _Params;
+	
+	#define _Iteration _Params.x
+	#define _Radius _Params.y
+	#define _PixelSize _Params.zw
+	
+	half4 BokehBlur(VaryingsDefault i)
+	{
+		half2x2 rot = half2x2(_GoldenRot);
+		half4 accumulator = 0.0;
+		half4 divisor = 0.0;
+
+		half r = 1.0;
+		half2 angle = half2(0.0, _Radius);
+
+		for (int j = 0; j < _Iteration; j++)
+		{
+			r += 1.0 / r;
+			angle = mul(rot, angle);
+			half4 bokeh = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, float2(i.texcoord + _PixelSize * (r - 1.0) * angle));
+			accumulator += bokeh * bokeh;
+			divisor += bokeh;
+		}
+		return accumulator / divisor;
+	}
+
+	half4 Frag(VaryingsDefault i): SV_Target
+	{
+		return BokehBlur(i);
+	}
+	
+	ENDHLSL
+	
+	SubShader
+	{
+		Cull Off ZWrite Off ZTest Always
+		
+		Pass
+		{
+			HLSLPROGRAM
+			
+			#pragma vertex VertDefault
+			#pragma fragment Frag
+			
+			ENDHLSL
+			
+		}
+	}
+}
+
+

Assets/X-PostProcessing/Effects/BokehBlur/Shader/BokehBlur.shader.meta

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