//go:build ignore

//kage:unit pixels

package main

var Time float

func Fragment(dstPos vec4, srcPos vec2, color vec4) vec4 {
	strobeCount := floor(Time * 50.2832 / (2.0 * 3.14159265))
	phase := mod(Time * 50.2832, 2.0 * 3.14159265)
	strobe := sin(phase) * 0.5 + 0.5
	original := imageSrc3UnsafeAt(srcPos)
	masked := mix(original, vec4(1, 1, 1, 1), strobe)
	output := mix(original, masked, original.a)
	if strobeCount >= 2.0 {
		output = original
	}
	return output
}