#include cycle-mix.glsl

vec4 cycleGradient(vec4 a, vec4 b, float x) {
  x *= 0.5;
    
	return vec4(
		cycleMix(vec2(a.x, b.x), x),
		cycleMix(vec2(a.y, b.y), x),
		cycleMix(vec2(a.z, b.z), x),
		cycleMix(vec2(a.w, b.w), x)
	);
}

vec4 cycleGradient(vec4 a, vec4 b, vec4 c, float x) {
  x *= 0.6666667;
    
	return vec4(
		cycleMix(vec3(a.x, b.x, c.x), x),
		cycleMix(vec3(a.y, b.y, c.y), x),
		cycleMix(vec3(a.z, b.z, c.z), x),
		cycleMix(vec3(a.w, b.w, c.w), x)
	);
}

vec4 cycleGradient(vec4 a, vec4 b, vec4 c, vec4 d, float x) {
  x *= 0.75;
    
	return vec4(
		cycleMix(vec4(a.x, b.x, c.x, d.x), x),
		cycleMix(vec4(a.y, b.y, c.y, d.y), x),
		cycleMix(vec4(a.z, b.z, c.z, d.z), x),
		cycleMix(vec4(a.w, b.w, c.w, d.w), x)
	);
}