#include <Shinobi.h> : NJS_LIGHT light; sbInitSystem( NJD_RESOLUTION_VGA, NJD_FRAMEBUFFER_MODE_RGB565, 1); njCreateLight(&light, NJD_DIR_LIGHT); : /* 透明度をスペキュラ輝度の0.5倍減らす。 */ njSetLightAlpha(&light, 0.5f);