The ship now rotates well to the right direction so i can implement a "seek and destroy" behaviour: the enemy ship follows me and tries to reach me despite of my movements.
It's not perfect but.. it works
Wednesday, December 14, 2011
Monday, December 5, 2011
Alignment
In my few spare time i've tried to consolidate one big task that i wasn't able to finish in the previous years: a way to align, softly, an object to any direction.
I need this for a lot of different situation: my ship has to align to the station, when i activate the autopilot, an enemy ship has to align to my position for reach me, an homing missile has to follow my target, and so on.
Previously i tried to solve it using normal euler rotations but it was a mess, and i've left this way.
The solution is: quaternions and SLERP.
It's not my intention to boring you with maths details (but you can ask me if you want), i prefer to show you the result: a ship floating into space try to align with my position:
you can notice that when i move, the ship follows me, in all positions.. also when i go up or down.
..and you can see also (for a brief moment) my ship firing a laser :)
I need this for a lot of different situation: my ship has to align to the station, when i activate the autopilot, an enemy ship has to align to my position for reach me, an homing missile has to follow my target, and so on.
Previously i tried to solve it using normal euler rotations but it was a mess, and i've left this way.
The solution is: quaternions and SLERP.
It's not my intention to boring you with maths details (but you can ask me if you want), i prefer to show you the result: a ship floating into space try to align with my position:
you can notice that when i move, the ship follows me, in all positions.. also when i go up or down.
..and you can see also (for a brief moment) my ship firing a laser :)
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