[dsd]

еще одно солнце

Shader "Custom/Sun3" {
Properties {

}
SubShader {
	Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" }
	//Cull Off Lighting Off ZWrite Off Ztest Always Fog { Mode Off }
	Blend One One

	Pass {	
		CGPROGRAM
		#pragma vertex vert
		#pragma fragment frag
		#pragma fragmentoption ARB_precision_hint_fastest
		#pragma target 3.0

		#include "UnityCG.cginc"

		fixed4 _TintColor;
		
		struct appdata_t {
			half4 vertex : POSITION;
			fixed4 color : COLOR;
			half2 texcoord : TEXCOORD0;
		};

		struct v2f {
			half4 vertex : POSITION;
			fixed4 color : COLOR;
			half2 texcoord : TEXCOORD0;
		};

		
		v2f vert (appdata_t v)
		{
			v2f o;
			o.vertex = mul(UNITY_MATRIX_MVP, v.vertex);
			o.color = v.color;
			o.texcoord =v.texcoord;
			return o;
		}

		half3 mod(half3 uv, half res){
			return uv - res * floor(uv/res);
		}
		
		half snoise(half3 uv, half res){
			const half3 s = half3(1e0, 1e2, 1e4);
			
			uv *= res;
			
			half3 uv0 = floor(mod(uv, res))*s;
			half3 uv1 = floor(mod(uv+half3(1.), res))*s;
			
			half3 f = frac(uv); f = f*f*(3.0-2.0*f);
		
			half4 v = half4(uv0.x+uv0.y+uv0.z, uv1.x+uv0.y+uv0.z, uv0.x+uv1.y+uv0.z, uv1.x+uv1.y+uv0.z);		
			half4 r = frac(sin(v*1e-3)*1e5);
			half r0 = lerp(lerp(r.x, r.y, f.x), lerp(r.z, r.w, f.x), f.y);
			
			r = frac(sin((v + uv1.z - uv0.z)*1e-3)*1e5);
			half r1 = lerp(lerp(r.x, r.y, f.x), lerp(r.z, r.w, f.x), f.y);
			
			return lerp(r0, r1, f.z)*2.-1.;
		}

		fixed4 frag (v2f i) : COLOR
		{
		

				half radius		= 0.24 ;
				half invRadius 	= 1.0/radius;
				
				half3 orange			= half3( 0.8, 0.55, 0.2 );
				
				half time		= _Time.x;

				half2 p 			= -0.5 + i.texcoord;
				
				half fade		= pow( length( 2.0 * p ), 0.5 );
				half fVal1		= 1.0 - fade;
				half fVal2		= 1.0 - fade;				
				
				half angle		= atan2( p.x, p.y )/6.2832;
				half dist		= length(p);
				half3 coord		= half3( angle, dist, time * 0.1 );
				
				half newTime1	= abs( snoise( coord + half3( 0.0, -time * ( 0.35 ), time * 0.015 ), 15.0 ) );
				half newTime2	= abs( snoise( coord + half3( 0.0, -time * ( 0.15 ), time * 0.015 ), 45.0 ) );
				half3 xCoord = half3( 0.0, -time, time * 0.2 ) + coord;
				
					fVal1 +=  0.125 * snoise( xCoord, ( 40 *  newTime1  ) );
					fVal2 +=  0.125 * snoise( xCoord, ( 100 *  (newTime1 +1.35)  ) );
					fVal1 +=  0.05 * snoise( xCoord, ( 90 *  newTime1  ) );
					fVal2 +=  0.05 * snoise( xCoord, ( 225 *  (newTime1 +1.35)  ) );
				
					half corona		= pow( fVal1 * max( 1.1 - fade, 0.0 ), 2.0 );
					corona				+= pow( fVal2 * max( 1.1 - fade, 0.0 ), 2.0 );
					corona				*= 30*(2.0 - newTime1);		
					half sunColor = (0.6 + 0.4*snoise(4*half3(i.texcoord + half2(time*0.5,0),time*0.5),16));
					half4 c = half4( sunColor, pow(max(sunColor,0.),2.), pow(max(sunColor,0.),3.), 1.0);
					c.rgb *=orange;
					
				
				if( dist < radius ){
					corona		*= pow( dist * invRadius, 24.0 );				
					float p = 5*(radius-dist)*invRadius;			
					c.rgb = lerp(0,c.rgb,p);	
				
					float starGlow	= min( max( 1.0 - dist, 0.0 ), 1.0 );			
					c.rgb += starGlow * orange;			
				
				}else{c=0;}
				
				if( dist > 1.3 * radius){
					half d = 1.45 * radius - dist;
					d *=invRadius*7.5; 
					corona = lerp(0,corona,d);
				}
				
				

				c.rgb	=   c.rgb + corona * orange;


			return c;
		}
		ENDCG 
	}
} 	

}

кто нить наподобие этого в cg перевести пробовал?
https://www.shadertoy.com/view/4slGD4