use namespace flare;
use namespace flare.transforms;
use namespace flare.filters;

param SIN_TIME stime;
param COS_TIME ctime;
input UV0 uv;
interpolated float2 iUV = uv;

technique main
{
	// set texture
	sampler2D texture < request = "St_Jamess_Park2.jpg"> ;
	sampler2D texture2 < request = "kenton.jpg"> ;
	
	// calculate wave UV
	float t = (iUV.y-0.5) * (1+stime.x)/2;
	float sint = sin(t*50);
	float t2 = (iUV.x-0.5) * (1+stime.x)/2;
	float sint2 = sin(t2*50);
	float2 uvs = float2(
		iUV.x + 0.08*sint,
		iUV.y - 0.02*sint2
		//iUV.y;
		);
	
	// scale UV
	uvs.x *=0.8;
	uvs.y *=0.8;
	uvs.x+=0.1;
	uvs.y+=0.1;
	
	// mix images
	float4 ratio = (1 + ctime.y)/2;
	float4 color = sampler2D(texture, uvs);
	float4 color2 = sampler2D(texture2, uvs);
	float4 color3 = color*(1-ratio) + color2 * ratio;
	
	// output
	output vertex = transform();
	output fragment = color3;
}