const vertexShader = `attribute vec2 g;
attribute vec2 a;
attribute vec2 t;
attribute float r;
attribute vec2 s;
attribute vec4 c;
attribute float z;
attribute vec4 u;
attribute vec4 y;
uniform mat4 m;
varying vec2 v;
varying vec2 d;
varying vec4 i;
void main(){
v=u.xy+g*u.zw;
d=y.xy+g*y.zw;
i=vec4(c.abg*c.r,c.r);
vec2 p=(g-a)*s;
float q=cos(r);
float w=sin(r);
p=vec2(p.x*q-p.y*w,p.x*w+p.y*q);
p+=a+t;
gl_Position=m*vec4(p,z,1);}`;

const fragmentShader = `precision mediump float;
uniform sampler2D x;
uniform sampler2D k;
uniform float j;
uniform float time;
varying vec2 v;
varying vec2 d;
varying vec4 i;
void main(){
vec4 c=texture2D(x,v);
vec4 r=c*i;
if(j>0.0){
if(c.a<j)discard;
r.rgb/=r.a;
r.a=1.0;};
//vec4 m=vec4(1.0,1.0,1.0,1.0);
vec4 m=vec4(1.0);

float frequency=20.0;
float amplitude=0.005;
float speed=0.02;
float distortion= sin(d.y*frequency+time*speed)*amplitude;

vec2 d2 = vec2(d.x+distortion, d.y);


if(d.x+d.y!=0.0){m=texture2D(k,d2);};

gl_FragColor=r*m;}`;