Thanks Ivo, I think that point_to_world method will come in real handy in the future.
I think I am doing that, though, adding the missle to the main game layer. See above reply. On May 6, 11:52 am, "Ivo F.A.C. Fokkema" <[email protected]> wrote: > On Sun, 2012-05-06 at 10:50 -0700, Jason wrote: > > I'm writing a little game in cocos2d, trying to use the Bezier Action > > and Bezier path to make a Missile fired from a Capitol Ship the > > missile fly at the Mother Ship in a cool, loopy kinda way. > > > My problem seems to be what I think is a position isn't what Bezier > > thinks is a position. I give it the Mothership position, and the > > Missile starting position (wherever its Capitol Ship is at the time) , > > and tell the Missile to make it's way to the Mothership. > > > However, the Bezier Path seems to think 0, 0 is where ever the Missile > > has spawned, not absolute position on the screen. > > That's because 0,0 is the relative position of the Missile to the Mother > ship sprite. You need to take a look at the Node's point_to_world() > function [1], that can calculate the position in the actual world, > taking into account the rotation and position of the sprite you're > spawning the missile from. Like so: > > # Within the Mother ship code: > missile = cocos.sprite.Sprite('missile.png') > # Will put the missile in the middle of the Mother ship: > missile.position = self.point_to_world((0, 0)) > # Now add the missile to the background layer, not to the unit's sprite. > # Depends on your code, but I do: > self.game.background.add(missile, z=1) > # (self.game is a reference to the game scene, background is a layer) > > [1]http://cocos2d.org/doc/api/cocos.cocosnode.CocosNode-class.html > > Regards, > > Ivo -- You received this message because you are subscribed to the Google Groups "cocos2d discuss" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/cocos-discuss?hl=en.
