Convert GLSL Sandbox to Unity ShaderLab

template.shader

Shader "Custom/template" {
	Properties {
		/*
		_Color ("Color", Color) = (1,1,1,1)
		_MainTex ("Albedo (RGB)", 2D) = "white" {}
		_Glossiness ("Smoothness", Range(0,1)) = 0.5
		_Metallic ("Metallic", Range(0,1)) = 0.0
		*/
	}
	SubShader {
		Tags { "RenderType"="Opaque" }
		LOD 200
		Pass {
		CGPROGRAM
		#pragma vertex vert_img
		#pragma fragment frag

		#include "UnityCG.cginc"

		fixed4 frag(v2f_img i) : SV_Target
		{
			fixed2 resolution = _ScreenParams;
			fixed2 position = (i.uv * resolution / resolution.xy);
			float time = _Time * 30;
			fixed color = 0.0;
			color += sin(position.x * cos(time / 15.0) * 80.0) + cos(position.y * cos(time / 15.0) * 10.0);
			color += sin(position.y * sin(time / 10.0) * 40.0) + cos(position.x * sin(time / 25.0) * 40.0);
			color += sin(position.x * sin(time / 5.0) * 10.0) + sin(position.y * sin(time / 35.0) * 80.0);
			color *= sin(time / 10.0) * 0.5;
			return fixed4(color, color * 0.5, sin(color + time / 3.0) * 0.75, 1.0);

		}
		ENDCG
		}
	}
	FallBack "Diffuse"
}
/*
#ifdef GL_ES
precision mediump float;
#endif

#extension GL_OES_standard_derivatives : enable

uniform float time;
uniform vec2 mouse;
uniform vec2 resolution;

void main( void ) {

vec2 position = ( gl_FragCoord.xy / resolution.xy ) + mouse / 4.0;

float color = 0.0;
color += sin( position.x * cos( time / 15.0 ) * 80.0 ) + cos( position.y * cos( time / 15.0 ) * 10.0 );
color += sin( position.y * sin( time / 10.0 ) * 40.0 ) + cos( position.x * sin( time / 25.0 ) * 40.0 );
color += sin( position.x * sin( time / 5.0 ) * 10.0 ) + sin( position.y * sin( time / 35.0 ) * 80.0 );
color *= sin( time / 10.0 ) * 0.5;

gl_FragColor = vec4( vec3( color, color * 0.5, sin( color + time / 3.0 ) * 0.75 ), 1.0 );
}
*/