python - 汽车 opengl 转换的旋转轮胎轮辋

Question

这是绘制汽车零件的绘图函数，在这个函数中检查汽车轮辋并检查标志，我需要在移动汽车时旋转轮胎轮辋。由于轮辋已旋转但从汽车模型中取出，因此无法正常工作，当我按下向上箭头键时，但汽车确实在移动。

我还在初始化函数中初始化了self.fFlag = "false":

def on_draw(self):
    # Clears the screen and draws the car
    # If needed, extra transformations may be set-up here
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)


    for name in self.parts:
        colors = self.colors
        color = colors.get(name, colors["default"])
        glColor3f(*color)

        if (name == 'Front Driver tire rim') & (self.fFlag == "true"):
            bodyFace = self.mini.group(name)
            glPushMatrix()
            glRotatef(45,1,0,0)

            # Drawing the rim
            for face in bodyFace:
                if len(face) == 3:
                    glBegin(GL_TRIANGLES) 
                elif len(face) == 4:
                    glBegin(GL_QUADS) 
                else: 
                    glBegin(GL_POLYGON)
                for i in face:
                    glNormal3f(*self.mini.normal(i))
                    glVertex3f(*self.mini.vertex(i))
                glEnd()



            glPopMatrix()
            self.fFlag == "false"

        else:
            bodyFace = self.mini.group(name)
            for face in bodyFace:
                if len(face) == 3:
                    glBegin(GL_TRIANGLES) 
                elif len(face) == 4:
                    glBegin(GL_QUADS) 
                else: 
                    glBegin(GL_POLYGON)
                for i in face:
                    glNormal3f(*self.mini.normal(i))
                    glVertex3f(*self.mini.vertex(i))
                glEnd()



def on_key_release(self, symbol, modifiers):
    """Process a key pressed event.
    """

    if symbol == key.UP:
        # Move car forward
        # TODO

        glTranslatef(0,-1,0)
        self.fFlag = "true"
        self.on_draw()

        pass

已编辑:当我按下向上箭头键时，我试图让汽车轮辋旋转，这会使汽车向前移动。

Answer 1

我强烈建议将其发布到类(class)论坛。我认为 TJ 不会真的喜欢看到这个，而且它很容易找到。