#VERTEX_SHADER
Vertex vert(Vertex v)
{
    //v.xy += vec2(50 * sin(jin_Time.x * 2), 50 * cos(jin_Time.x * 2));
	return v;
}
#END_VERTEX_SHADER
#FRAGMENT_SHADER
Color frag(Color col, Texture tex, Vertex v)
{
	float t = jin_Time.x;
	t = 0.02;
	float a = abs(sin(t)) * 3.14;
    vec2 p = vec2(0.5*cos(a) + 0.5, 0.5*sin(a) + 0.5);
    vec2 dir = v.uv - p;
    float d = .7 * length(dir);
    normalize(dir);
    vec2 value = d * dir * 200 * abs(sin(t * 3));

    vec4 c1 = texel(tex, v.uv - value / jin_RenderTargetSize.x);
    vec4 c2 = texel(tex, v.uv);
    vec4 c3 = texel(tex, v.uv + value / jin_RenderTargetSize.y);
    return vec4(c1.r, c2.g, c3.b, c1.a + c2.a + c3.b);
}
#END_FRAGMENT_SHADER