Hi, i’m trying to start an event with a near sensor pulse, i have an object A which will do something when is near object B.
To do that i defined a Property in object B, an Integer Property and in object A a Near Sensor with the name of this property in the field Property and a Python controller to check if the near sensor isPositive() and do something if it is.
The problem is that the Near sensor never is positive, no matter the value i put in the Dist and Reset field, i think that something’s missing…
Maybe i need a Property Actuator or something to check the property
When a near sensor doesn’t work, use Ray sensors. A Ray sensor detects something in the axis where it’s set too. like:
- ray sensor: detect +y axis, range: 3.0, property: object
- when a mesh with a property: object is been detected on axis +y, and inside the range of 3.0 or less, it activates the ray sensor.
Really handy for AI, when a AI enemy is using the above ray sensor included with it’s options, the AI can do something then like turning 90 Degrees. That will avoid hitting the wall or something else 
The near sensor seams to have some problems sometimes. No idea if that is fixed. But I’m working on a python game project, when I encounter any bug, I’ll make directly a bug report blend included how to reproduce and report it. I hope more people do that. 
No idea if that is fixed.
Actually, I wasn’t having any problem with it until this latest release. Now it works fine as far as triggering, but the reset is weird. It’s resetting at the start of a new script instead of the distance measurement. It’s definately different because the program I was working on was fine until this version.
If i remember right, the Object to react on, must have a collision Face, and must be an Actor. Near Sensors does not work with Emptys and other non Mesh Objects.
hope that helps.
Doc
i’m using the Ray sensor and it works fine