// __multiversion__
// This signals the loading code to prepend either #version 100 or #version 300 es as apropriate.

#include "shaders/fragmentVersionSimple.h"

#include "shaders/uniformShaderConstants.h"
#include "shaders/uniformPerFrameConstants.h"
#include "shaders/util.h"

varying vec2 uv0;

void main()
{
	vec4 color = CURRENT_COLOR;

	const float cycleTime = 1.f;
	const float cutoff = cycleTime * 0.75f;

	float a = mod(TIME, cycleTime) / cutoff;
	a = 1.f - smoothstep(clamp(a - 0.1f, 0, 1), a, uv0.x);
	if (a > 0.f) {
		color = mix(vec4(1, 1, 1, 1), color, a);
		a = 1.f;
	}
	color.a = a;

	gl_FragColor = color;

#if defined(FORCE_DEPTH_ZERO) && __VERSION__ >= 300
	gl_FragDepth = 0.0;
#endif
}