Archive: 8 posts

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Hi Guys, I'm trying to make a faithful homage to Angry Birds but I'm having trouble with the catapult which needs to allow a user defined power and direction. I initially thought this would be easy and just connected two strips of elastic to two vertical metal poles at one end and some grabable material at the other end. I then put an advanced mover on the grabable material and used a controlinator which is then allows me to move the material and stretch the elastic, but only slightly. If I reduce the strength of the elastic then I can strecth it much more but there is no recoil. It seems I need to give it a helping hand somehow but I'm out of ideas. I've tried using a spring with similar difficulty. Any suggestions? Thanks

2011-01-30 09:53:00 Author: Unknown User

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I will have to think about this before I can help you, but' I'd recommend that you work it out through trial and error. That way, you'll have made something that many others struggle to copy, whereas if you get the solution from us, anyone can make it I will say one thing though; Hologram where the bird sits, tag on that. A fast follower on the actual catapult that deactivates when you pull the catapult back, and reactivates when you let go. This will insure that the catapult returns (quickly) to its starting position and hopefully propelling the projectile (i.e. bird) forward.

2011-01-30 10:40:00 Author: Weretigr Posts: 2105

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My first hunch here is to have a chip on the bird with a tag sensor that outputs an analog signal of its proximity to the corresponding tag. This tag should be behind the catapult; as you pull the catapult further back, its payload will register that and feed that into some type of memory switch; once released, the sensor should stop registering and the memory feeds its data to a mover. I'd try to put as much projectile logic isolated onto the projectile itself and not externally, like on the catapult, so it will be easy to emit a new projectile after each try.

2011-01-30 10:53:00 Author: Antikris Posts: 1340

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My first hunch here is to have a chip on the bird with a tag sensor that outputs an analog signal of its proximity to the corresponding tag. This tag should be behind the catapult; as you pull the catapult further back, its payload will register that and feed that into some type of memory switch; once released, the sensor should stop registering and the memory feeds its data to a mover. I'd try to put as much projectile logic isolated onto the projectile itself and not externally, like on the catapult, so it will be easy to emit a new projectile after each try. Stop trying to sound clever and speak english so the guy can understand what you're saying

2011-01-30 10:59:00 Author: Weretigr Posts: 2105

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Stop trying to sound clever and speak english so the guy can understand what you're saying The curse of cleverness: to never make sense.

2011-01-30 11:12:00 Author: Antikris Posts: 1340

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Thanks DayneOram, I was reluctant to ask the question for that exact reason. So far the the clones I have seen are just basic canons and I want to see if I can make a faithful representation of the game. But having spend a few evening trying out ideas and not managing to come up with something I'm happy with I decided to try this as a last resort. I'm just after a few ideas I can play around with and expand on.

2011-01-30 11:17:00 Author: Unknown User

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My first hunch here is to have a chip on the bird with a tag sensor that outputs an analog signal of its proximity to the corresponding tag. This tag should be behind the catapult; as you pull the catapult further back, its payload will register that and feed that into some type of memory switch; once released, the sensor should stop registering and the memory feeds its data to a mover. I'd try to put as much projectile logic isolated onto the projectile itself and not externally, like on the catapult, so it will be easy to emit a new projectile after each try. Interesting idea! Thanks thats just the kind of 'out of the box' thinking I was after.

2011-01-30 11:20:00 Author: Unknown User

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Stop trying to sound clever and speak english so the guy can understand what you're saying Ha! Luckily I'm a software engineer so understood him fine thanks.

2011-01-30 11:23:00 Author: Unknown User

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