The radar implementation in AIBase.cxx makes the assumption that the radar is fixed on the longitudinal axis of the model. (It also assumes rotations and elevations are in the local horizontal and that the radar is at the origin of the model.) The radar data are used to drive the target markers on the HUD. While the HUD is also fixed to the longitudinal axis, these assumptions are adequate.
When the HUD is not so fixed, as in the Landing Signal Officer HUD in the MP Carrier (no this isn't a flight of fancy, it does exist in RL), we need to apply offsets to radar heading and elevation to enable the target markers to be displayed. The other assumptions are adequate at medium to long range. The attached patch implements heading, elevation and height offsets. The values default to 0, so there are no implications for existing implementations of the AI radar. Vivian
AIBase.diff
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