A fast, easy to use, free, and community supported 2D game engine
I just submitted my next game, Occurro! - running on Cocos2D iPhone 0.7.3. It's a top-down space shooter that I've been working on in my spare time for the last 4 months. I got a few people addicted to it at WWDC...I'm hoping I can get the rest of the world addicted to it in a couple weeks. :)
I just posted a few screenshots here:
http://bit.ly/occurroscreenshots
A teaser video from an early version of the game is here:
http://bit.ly/occurrovideo
-Bryan
Thanks! @Codemattic - you're absolutely right about touchscreen controls vs a game pad. I gave the player the option for touch or tilt controls for motion - my testers seem to be very happy with both. Tilt controls is definitely an area where lots of games lack. Most players now instinctively dislike tilt controls because of that. It's a tough thing to get right.
Wouldn't it be great if we could hook an Xbox-like controller up to the iPhone!?
(I hate the no edit feature too!)
Codemattic
Moderator
"Wouldn't it be great if we could hook an Xbox-like controller up to the iPhone!?"
With OS 3.0 and Apple allowing device makers to connect to the hardware I think we will see 3rd party game controllers where you can slip your iphone/ipod into it. Hopefully it will have dual-analog-controls and side-triggers and a couple of buttons.
Yes, whe have one.
http://www.22moo.com.au/gamebonepro.html
It's a bi ugly for me, but is the first one.
I think we'll see add-on controllers. As long as manufacturers make it easy to hook into with our code, they'll do well. Wide-spread & easy support is key.
For now, I'll live with what we have. (Now if only I could verify that my multi-touch bug is fixed...)
Codemattic
Moderator
coolman,
I guess GameBonePro is a start. It looks like a bluetooth device - like you put your iphone on a little stand or something and then hold the controller. I predict fail. And no analog controls - frick.
What Im hoping for is something that plugs directly in to the iphone port:
http://www.icontrolpad.com/
http://toucharcade.com/2008/08/30/belkin-joypod-iphone-gaming-controller-with-app-store-support/
Thanks everybody - I'm very excited to get this game in the store.
The motion trail on the player's ship is done with three instances of the Cocos2D experimental class MotionStreak by Jason Booth. Look under the experimental folder in your cocos2d directory.
If you use the default sprite in MotionStreak, the tail "pulses" on & off. It took me forever to figure out that the sprite it was using (fire.png I think) was the cause. Basically what the class does is stretch a sprite along a path. Since fire.png is faded in all directions, when MotionStreak displays the clear parts of the png the trail went away. The new image file I made only fades in one direction (can't remember, but I think the fades are on the left & right of the image).
My player ship rotates nearly constantly. MotionStreak isn't (or wasn't?) designed to be rotated. Initially, I attached the MotionStreaks directly to my player ship node. That ended up causing the streaks to rotate & look very unnatural. So, my solution was to make a player node that I moved around the world but didn't rotate. I attached the player ship sprite, player shield sprite & 3 MotionStreaks to that. The only thing that gets rotated is the player ship sprite.
I used 3 MotionStreaks to make it look more impressive. The main tail is attached to the center of my player node. The other two are offset from the center of the player node by a small amount. They are smaller & different colors than the main tail.
The one thing I'd still like to do better with the MotionStreaks is make them realize they are in world space. My play area is much bigger than the screen & I move the player, enemies, explosions & camera around on another coordinate space than the interface stuff (scores, etc). That gives the tail a slightly non-realistic look. Still, I really like the effect & I don't think many players will notice the difference.
Now everybody...go add MotionStreaks! :)
Thanks to Jason for writing a great class!
-Bryan
Thanks jd. There are actually still speed improvements I'm working on. I'm drooling over the stuff I could add to the game for the 3GS. :)
There are about 20 people reviewing & testing it right now. I think this is great - The online leaderboards are very active & there's already banter back & forth on twitter about who's #1.
I'm still fighting with a random multi-touch bug, but hopefully it's edge case enough that it won't matter for the first release. I'm about to dig into Cocos2D's touch handling code to see what it's doing. (Fun!)
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