modifiers.py 文件源码

def mode_LINEAR(self, x, y, range):
        """
        Input value is scaled, so entire output range is covered by
        reduced input range of deadzone.
        """
        if y == 0:
            # Small optimalization for 1D input, for example trigger
            return copysign(
                clamp(
                    0,
                    ((x - self.lower) / (self.upper - self.lower)) * range,
                    range),
                x
            ), 0
        distance = clamp(self.lower, sqrt(x*x + y*y), self.upper)
        distance = (distance - self.lower) / (self.upper - self.lower) * range

        angle = atan2(x, y)
        return distance * sin(angle), distance * cos(angle)