sprite animation

CREATE:
reload = 30 // Amount of time in between swings
image_speed = 0
image_index = 0

STEP:
if image_index < 8 {
    image_index += 0.15
} else {
    image_index = 8
    if reload > 0 reload -= 1 else {
        image_index = 0
        reload = 0
    }
}