INNER CODE UNIT · Python

pointer_release_event

mosra/magnum-examples · src/python/magnum-primitives.py:73

    def pointer_release_event(self, event: Application.PointerEvent):
        if not event.is_primary or \
           not (event.pointer & (self.Pointer.MOUSE_LEFT|self.Pointer.FINGER)):
            return

        self._color = Color3.from_hsv(self._color.hue() + Deg(50.0), 1.0, 1.0)
        self.redraw()

    def pointer_move_event(self, event: Application.PointerMoveEvent):
        if not event.is_primary or \
           not (event.pointers & (self.Pointer.MOUSE_LEFT|self.Pointer.FINGER)):
            return

        delta = 1.0*event.relative_position/Vector2(self.window_size)
        self._transformation = (
            Matrix4.rotation_x(Rad(delta.y))@
            self._transformation@
            Matrix4.rotation_y(Rad(delta.x)))

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