[Résolu] Image_alpha ne change pas

if voltage == 9 {with Lampe_torche image_alpha=1;}
if voltage == 8 {with Lampe_torche image_alpha=0.8;}
if voltage == 7 {with Lampe_torche image_alpha=0.7;}
if voltage == 6 {with Lampe_torche image_alpha=0.6;}
if voltage == 5 {with Lampe_torche image_alpha=0.5;}
if voltage == 4 {with Lampe_torche image_alpha=0.4;}
if voltage == 3 {with Lampe_torche image_alpha=0.3;}
if voltage == 2 {with Lampe_torche image_alpha=0.2;}
if voltage == 1 {with Lampe_torche image_alpha=0.1;}
if voltage == 0 {with Lampe_torche image_alpha=0;}