#version 430 core

uniform float time;
uniform vec4 background_color;

flat in vec4 color;
out vec4 out_color;
in vec4 pos_local;
in vec4 pos_global;

void main()
{
//	out_color = color;
//	out_color = color / time;
//	out_color = mix(color, background_color, abs(sin(time / 4.0)));
	//zad 7
//	out_color = pos_local;
//	out_color = pos_global;
	//zad 8*
	vec4 final_color = color;

	float stripe_width = 0.04;
	float stripe_every = 0.1;
	float stripe = mod(pos_local.x + time * 0.02, stripe_every);
	//float stripe = mod(pos_local.x, stripe_every);
	//final_color.rgb *= smoothstep(0.02, 0.2, stripe);
	float jump_effect = step(stripe, stripe_every - stripe_width) * step(stripe_width, stripe);
	final_color.rgb *= jump_effect;
	out_color = final_color;
}