FPS Homing shots?
Blitz3D Forums/Blitz3D Beginners Area/FPS Homing shots?
| ||
| Okay, I figured out how to make enemy's shots home in on the player using "pointentity" . That's easy enough, seeing as there's only one target the shots can point at. However my question is: how is the reverse possible? i.e. Making the player's shot (homing missile launcher or what have you) home in on the closest enemy. How can I make the player's shot distinguish between one enemy, and the rest of them? |
| ||
| I typically give each of my enemy type's a unique "ID," every time you make a new enemy make the ID = ID + 1 here's some code I wrote awhile ago the finds the closest enemy, in this case "aiunit" is the unit finding the closest enemy unit closestenemy_distance# = thelevel\groundwidth + thelevel\grounddepth;;how far unit will search for enemy closestenemy_ID = 0 For enemy.unit = Each unit;;find the nearest enemy distance# = EntityDistance#(aiunit\mesh,enemy\mesh) If distance# < closestenemy_distance# And aiunit\ID <> enemy\ID And enemy\team <> aiunit\team;;don't include itself or its team to find the closest unit closestenemy_distance# = distance# closestenemy_ID = enemy\ID EndIf Next It makes sure that the enemy unit is not on the same team and doesn't contain the same id as the unit checking searching for the nearest enemy |
| ||
| If each enemy is represented by a type, and also your bullets, then it's very easy to do. Add one field to your bullet, called Target.Enemy. As soon as you press the fire-button, you search through your enemies to find the closest one (you can determine that by EntityDistance if needed). Store that enemy-type in your Target.Enemy field, so the bullet always knows which enemy to track. Then, in your UpdateBullets function, always let that bullet point towards the enemy stored in Target.Enemy. |
| ||
| Or you could use the handle of the type instance of that particular target. |
   |