Blinking within Draw event

#region Set blink delay.
var blink = 0;
blink += 0.1
if blink <= 1 draw_set_alpha(1)
if blink > 1 and blink <= 2 draw_set_alpha(0)
if blink > 2 {
    draw_set_alpha(1)
    blink = 0
}
#endregion

// Draw sprite.
draw_sprite(x, y, sprCursor)

// Reset values.
draw_set_alpha(1)