function rgb(speed) {
  	var r = Math.floor(Math.sin(Date.now() * speed) * 127 + 128)
  	var g = Math.floor(Math.sin(Date.now() * speed + 2) * 127 + 128)
  	var b = Math.floor(Math.sin(Date.now() * speed + 4) * 127 + 128)
  	return [r, g, b]
}

var a = []
var b = []
var c = 0

UI.AddCheckbox("Line")
UI.AddCheckbox("Chroma")

UI.AddSliderInt("Chroma Speed", 1, 10)
UI.AddSliderInt("Duration", 1, 20)
UI.AddSliderInt("Thickness", 1, 3)

UI.AddSliderInt("Red", 0, 255)
UI.AddSliderInt("Green", 0, 255)
UI.AddSliderInt("Blue", 0, 255)
UI.AddSliderInt("Alpha", 0, 255)

function line() {
	if(!UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Line")) {
		UI.SetEnabled("Chroma", false)
		UI.SetEnabled("Chroma Speed", false)
		UI.SetEnabled("Duration", false)
		UI.SetEnabled("Thickness", false)
		UI.SetEnabled("Red", false)
		UI.SetEnabled("Green", false)
		UI.SetEnabled("Blue", false)
		UI.SetEnabled("Alpha", false)
	} else {
		UI.SetEnabled("Chroma", true)
		UI.SetEnabled("Duration", true)
		UI.SetEnabled("Thickness", true)
		UI.SetEnabled("Alpha", true)

		if(UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Chroma")) {
			UI.SetEnabled("Chroma Speed", true)
			UI.SetEnabled("Red", false)
			UI.SetEnabled("Green", false)
			UI.SetEnabled("Blue", false)
		} else {
			UI.SetEnabled("Chroma Speed", false)
			UI.SetEnabled("Red", true)
			UI.SetEnabled("Green", true)
			UI.SetEnabled("Blue", true)
		}
	}

// BTR

	if(Entity.GetLocalPlayer()) {
		if(Entity.IsAlive(Entity.GetLocalPlayer())) {
			if(UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Line")) {
				if(Date.now() > c) {
					a.push(Entity.GetRenderOrigin(Entity.GetLocalPlayer()))
					b.push(rgb(UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Chroma Speed") / 1000))
					c = Date.now() + 5
				}

				if(a.length > UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Duration") * 5) {
					while(a.length > UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Duration") * 5) {
						a.shift()
						b.shift()
					}
				}

				for(var i = 0; i < a.length - 1; i++) {
					var d = Render.WorldToScreen(a[i])
					var e = Render.WorldToScreen(a[i + 1])
					var f = b[i].concat(UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Alpha"))

					if(!UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Chroma")) {
						f = [UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Red"), UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Green"), UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Blue"), UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Alpha")]
					}

					Render.Line(d[0], d[1], e[0], e[1], f)

					if(UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Thickness") > 1) {
						Render.Line(d[0] + 1, d[1] - 1, e[0] + 1, e[1] - 1, f)
						Render.Line(d[0] - 1, d[1] + 1, e[0] - 1, e[1] + 1, f)

						Render.Line(d[0] + 1, d[1] + 1, e[0] + 1, e[1] + 1, f)
						Render.Line(d[0] - 1, d[1] - 1, e[0] - 1, e[1] - 1, f)

						Render.Line(d[0] + 1, d[1] + 1, e[0] - 1, e[1] - 1, f)
						Render.Line(d[0] - 1, d[1] - 1, e[0] + 1, e[1] + 1, f)
					}

					if(UI.GetValue("MISC", "JAVASCRIPT", "Script items", "Thickness") == 3) {
						Render.Line(d[0] + 2, d[1] - 2, e[0] + 2, e[1] - 2, f)
						Render.Line(d[0] - 2, d[1] + 2, e[0] - 2, e[1] + 2, f)

						Render.Line(d[0] + 2, d[1] + 2, e[0] + 2, e[1] + 2, f)
						Render.Line(d[0] - 2, d[1] - 2, e[0] - 2, e[1] - 2, f)

						Render.Line(d[0] + 2, d[1] + 2, e[0] - 2, e[1] - 2, f)
						Render.Line(d[0] - 2, d[1] - 2, e[0] + 2, e[1] + 2, f)
					}
				}
			}
		} else {
			a = []
    	}
	} else {
		a = []
  	}
}

Global.RegisterCallback("Draw", "line")