Luxe Gradient Component

package;

import luxe.Color; import luxe.Component; import luxe.Sprite;

/**

• This will set the color of any Sprite to a gradient.
• @author Abel Toy
• @license The MIT License (https://gist.github.com/Rolpege/6e28392bc0bec79876d5#file-license) */ enum GradientDirection { Vertical; Horizontal; }

class Gradient extends Component { public var colorA(get, set):Color; public var colorB(get, set):Color;

public var direction(get, set):GradientDirection;

var _sprite:Sprite;

var _colorA:Color;
var _colorB:Color;

var _direction:GradientDirection = Vertical;

public function new(colorA:Color, colorB:Color, ?direction:GradientDirection) 
{
	super({ name: "gradient" });
	
	_colorA = colorA;
	_colorB = colorB;
	
	if (direction == null) direction = Vertical;
	_direction = direction;
}

override public function init() 
{
	_sprite = cast entity;
	
	_updateColors();
}

function _updateColors():Void
{
	if (_sprite == null) return;
	
	if(_direction == Vertical)
	{
		_sprite.geometry.vertices[0].color = _colorA;
		_sprite.geometry.vertices[1].color = _colorA;
		_sprite.geometry.vertices[4].color = _colorA;
		
		_sprite.geometry.vertices[2].color = _colorB;
		_sprite.geometry.vertices[3].color = _colorB;
		_sprite.geometry.vertices[5].color = _colorB;
	}
	else
	{
		_sprite.geometry.vertices[0].color = _colorA;
		_sprite.geometry.vertices[3].color = _colorA;
		_sprite.geometry.vertices[4].color = _colorA;
		
		_sprite.geometry.vertices[1].color = _colorB;
		_sprite.geometry.vertices[2].color = _colorB;
		_sprite.geometry.vertices[5].color = _colorB;
	}
}

function get_colorA():Color
{
	return _colorA;
}

function set_colorA(value:Color):Color
{
	_colorA = value;
	_updateColors();
	return value;
}

function get_colorB():Color
{
	return _colorB;
}

function set_colorB(value:Color):Color
{
	_colorB = value;
	_updateColors();
	return value;
}

function get_direction():GradientDirection
{
	return _direction;
}

function set_direction(value:GradientDirection):GradientDirection
{
	if (value == _direction) return value;
	
	_direction = value;
	_updateColors();
	return value;
}

}