Diy Laser Light Gun.

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ryoken:
Starting some test to replace laser diode. Using a safe 5mm low power led instead. This is about 1 meter of distance but it will remain almost the same size at 2 meters. The focus point is incredible small. More test coming using IR leds. I even think this type of focus glasses arrangement will blast laser tag games industry like longer shots with less beam light spread. Making more realistic and challenging the accuracy in the game

thet0ast3r:

--- Quote from: Howard_Casto on May 12, 2019, 10:57:16 pm ---Give me some more info guys and I might be able to do something with it. I've got a lot of amazon credit I can use. I doubt I can get a software solution to fake dual mice because of the way dual mice work, but I can probably get them to show up as joysticks.

Glossy screens might be fixed via "clear" contact paper. I checked and yes, such a thing exists. Multiple players might mean two cameras with a different light filter on each and lasers putting out different ends of the spectrum.

--- End quote ---

What I meant was not the software side of things, but rather the hardware. How do you separate 2 laser pointers and determine which one is player 1, and which one is player 2. With 4 players this would get messy. Also, if your camera is not accurate enough, it would be a problem if both players shoot at the same screen position. I wonder if one could do something with a simple lens, like in those laser levels, where you get a line instead of a dot. with 2 ir lines , it would be easier to separate 2 guns from eachother.

ryoken:

--- Quote from: Howard_Casto on May 12, 2019, 10:57:16 pm ---Give me some more info guys and I might be able to do something with it. I've got a lot of amazon credit I can use. I doubt I can get a software solution to fake dual mice because of the way dual mice work, but I can probably get them to show up as joysticks.

Glossy screens might be fixed via "clear" contact paper. I checked and yes, such a thing exists. Multiple players might mean two cameras with a different light filter on each and lasers putting out different ends of the spectrum.

--- End quote ---
Very good idea the clear screen paper. I was thinking to try with clear coat in mate finish . I need to get and old cheap screen to try it first.

MrLightgun:
Interesting, how do we think Mars PDP solves the glossy screen?

Is the room dark or is it just the exposure of the camera? What is the performance like with daylight? I guess having a proper infra red laser would help with this.

I know it's a bit patronising but be careful with your eyes with that green laser and even when you switch to infra red don't automatically assume it is safe to look at. There is no blink reflex with an infra red laser so if it happens to be unsafe it's actually more dangerous than a visible laser.

How essential is the piano in this setup? :)

Howard_Casto:

--- Quote from: thet0ast3r on May 13, 2019, 06:26:35 am ---
--- Quote from: Howard_Casto on May 12, 2019, 10:57:16 pm ---Give me some more info guys and I might be able to do something with it. I've got a lot of amazon credit I can use. I doubt I can get a software solution to fake dual mice because of the way dual mice work, but I can probably get them to show up as joysticks.

Glossy screens might be fixed via "clear" contact paper. I checked and yes, such a thing exists. Multiple players might mean two cameras with a different light filter on each and lasers putting out different ends of the spectrum.

--- End quote ---

What I meant was not the software side of things, but rather the hardware. How do you separate 2 laser pointers and determine which one is player 1, and which one is player 2. With 4 players this would get messy. Also, if your camera is not accurate enough, it would be a problem if both players shoot at the same screen position. I wonder if one could do something with a simple lens, like in those laser levels, where you get a line instead of a dot. with 2 ir lines , it would be easier to separate 2 guns from eachother.

--- End quote ---

Like I said, you use lasers on opposite ends of the spectrum. One IR and another UV. The camera setup for IR can't see the UV dot and vice versa. It could be done with visible lasers as well assuming you don't mind the dot. You can do shape processing but it's better not to. Finding a dot in a picture is pretty quick ... determining what shape it is isn't. Another option is having an Arduino control the on-off of the lasers and have it strobe the lasers in sequence, reading one at a time. I'm not sure how quickly lasers fire up and fade off though, so that might not work.

There aren't any 4 player light gun games that I'm aware of... there are some three player positional gun games.

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