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pythonでゲームパッドを使う

Last updated at Posted at 2022-03-06

pythonでpygameライブラリを使ってゲームパッドを使えるようにします

Gamepad.py
実行するとこんな感じ
2022-03-05 (1).png

環境

Windows10
python v3.9
pygame v2.1.2

ゲームパッドの状態

pygameでのゲームパッドのイベントは次のように割り当たっています
gamepad.png

プログラムの説明

ゲームパッドの初期化

pygame.joystick.init()
joy = pygame.joystick.Joystick(0)

ゲームパッドの状態を入れるClassを作っておきます

class JoyStatus:
    def __init__(self):
        self.axLx = 0
        self.axLy = 0
        self.axRx = 0
        self.axRy = 0
        self.hatL = 0
        self.hatR = 0
        self.hatU = 0
        self.hatD = 0
        self.btn = [0,0,0,0,0,0,0,0,0,0,0,0]

JStat = JoyStatus()

ゲームパッドの状態をJStatにセットします

スティックのアナログ値
JStat.axLx = joy.get_axis(0)
JStat.axLy = joy.get_axis(1)
JStat.axRx = joy.get_axis(2)
JStat.axRy = joy.get_axis(3)
十字キーの値
if hat_input[0] < 0:
    JStat.hatL = 0;     JStat.hatR = 1
elif hat_input[0] > 0:
    JStat.hatL = 1;     JStat.hatR = 0
else:
    JStat.hatL = 1;     JStat.hatR = 1

if hat_input[1] < 0:
    JStat.hatD = 0;     JStat.hatU = 1
elif hat_input[1] > 0:
    JStat.hatD = 1;     JStat.hatU = 0
else:
    JStat.hatD = 1;     JStat.hatU = 1

ボタンの状態
for i in range(12):
    if joy.get_button(i) == 1:
        JStat.btn[i] = 0
    else:
        JStat.btn[i] = 1

ウィンドウの初期化

pygame.init()
screen = pygame.display.set_mode((350, 250))
pygame.display.set_caption('JOYSTICK')
pygame.display.flip()

ウィンドウにお絵描き

円: pygame.draw.circle
矩形: pygame.draw.rect

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