Kivy 图像冲突

编程问答 2022-06-01

问题描述

是否可以在 kivy 中检查两个图像是否重叠或碰撞？

我正在使用 ScreenManager，并且有一个我正在控制的动态图像。我想检查它是否发生碰撞，当发生碰撞时，我希望它的 pos 改变 (-) 负面。

我不知道要包含什么代码。但这里有一些有点相关。

Py 代码：

xnum = 0.53
ynum = 0.412
xmovement = 0.0889
ymovement = 0.05
movementt = 0.1

class L1(Screen):
    screensize()
def animate_down_button(self,widget,*args):
    global ynum
    global ymovement
    global movementt
    ynum -= ymovement
    anim = Animation(y_hint=ynum,duration=movementt)
    anim.start(widget)
    pass

def animate_up_button(self,*args):
    global ynum
    global ymovement
    ynum += ymovement
    anim = Animation(y_hint=ynum,duration=movementt)
    anim.start(widget)
    pass

def animate_right_button(self,*args):
    global xnum
    global xmovement
    xnum += xmovement
    anim = Animation(x_hint=xnum,duration=movementt)
    anim.start(widget)
    pass

def animate_left_button(self,*args):
    global xnum
    global xmovement
    xnum -= xmovement
    anim = Animation(x_hint=xnum,duration=movementt)
    anim.start(widget)
    pass

def play_nav(self):
    if nav:
        nav.play()

Kv 代码：

<L1>:
    name: "L1"
    canvas:
        Rectangle:
            source: 'background.jpg'
            size: root.width,root.height
        Rectangle:
            source: 'Mazebg.png'
            size: root.width*0.7,root.height*0.6
            pos: root.width*0.5 - root.width*0.35,root.height*0.32
        Rectangle:
            source: 'Maze1.png'
            size: root.width*0.7,root.height*0.32
        Rectangle:
            source: 'Star.png'
            size: root.width*1.5,root.height*0.25
            pos: (root.width*-0.125),root.height*0.92

    Button:
        pos_hint: {"x":0.01,"top":0.995}
        size_hint: 0.15,0.075
        background_normal: 'BackArrow.png'
        background_down: 'BackArrowpressed.png'
        on_release: root.play_nav()
        on_release: app.root.current = "GameMenu"
    Image:
        id: mazeball
        source: 'ball.png'
        size_hint: 0.07,0.07
        x_hint: 0.53
        y_hint: 0.412
        pos_hint: {"x": self.x_hint,"top": self.y_hint}
    Button:
        pos_hint: {"x":0.4,"top":0.17}
        size_hint: 0.2,0.1
        background_normal: 'PadDown.png'
        background_down: 'PadDownpressed.png'
        on_release: root.play_nav()
        on_press: root.animate_down_button(mazeball)

    Button:
        pos_hint: {"x":0.4,"top":0.31}
        size_hint: 0.2,0.1
        background_normal: 'PadUp.png'
        background_down: 'PadUppressed.png'
        on_release: root.play_nav()
        on_press: root.animate_up_button(mazeball)
    Button:
        pos_hint: {"x":0.525,"top": 0.235}
        size_hint: 0.2,0.1
        background_normal: 'padright.png'
        background_down: 'padrightpressed.png'
        on_release: root.play_nav()
        on_press: root.animate_right_button(mazeball)
    Button:
        pos_hint: {"x":0.275,0.1
        background_normal: 'PadLeft.png'
        background_down: 'PadLeftpressed.png'
        on_release: root.play_nav()
        on_press: root.animate_left_button(mazeball)

解决方法

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