Missile Physics

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Missile Physics #292537 10/04/09 15:43 10/04/09 15:43
Joined: Sep 2008 Posts: 69 U upsidedownman OP Junior Member
upsidedownman OP Junior Member U Joined: Sep 2008 Posts: 69	Hi i am trying to put physics on my missile, it isn't a straight shooting missile it is like when you shoot from a tank at a certain point it curves downward. I put the physics on the missile and everything works fine except i can not get it to curve its tilt down, here is what i have. Code: function shoot() { VECTOR shoot; shoot.x = 900; shoot.y = 0; shoot.z = 0; vec_rotate(shoot,player.pan); phent_addvelcentral(my,shoot); phent_addtorquelocal(my,vector(0,10,0));//curves the tilt down but not correctly } function physics_func() { phent_settype(my,PH_RIGID,PH_BOX); phent_setmass(my,my.mass,PH_BOX); phent_setfriction(my,10); phent_setelasticity(my,0,100); phent_setdamping(my,0,0); ph_setgravity(vector(NULL,NULL,-500)); shoot(); } I use the torque to curve the tilt down but the problem is sometimes the missile doesn't curve enough and sometimes to much, the velocity and the angle of the missile when fired changes just about every time it is shot so i can't really just do trial and error until i get a torque that will work right, is there anyway to do this? Thanks.

Re: Missile Physics [Re: upsidedownman] #339041 08/24/10 03:02 08/24/10 03:02
Joined: May 2010 Posts: 8 Singapore C CaedLucin Newbie
CaedLucin Newbie C Joined: May 2010 Posts: 8 Singapore	Does anyone have any solution to this? I also need to make the missle curve and land on its nose.

Re: Missile Physics [Re: CaedLucin] #339042 08/24/10 03:17 08/24/10 03:17
Joined: Mar 2009 Posts: 146 USA P paracharlie Member
paracharlie Member P Joined: Mar 2009 Posts: 146 USA	shoot.z -= 0.4 * time_step; ? Try something like that. A8 Commercial

Re: Missile Physics [Re: paracharlie] #339046 08/24/10 06:09 08/24/10 06:09
Joined: Apr 2006 Posts: 624 DEEP 13 badapple User
badapple User Joined: Apr 2006 Posts: 624 DEEP 13	check out my mortar cannon demo , its not physics but does what you want.

Re: Missile Physics [Re: badapple] #339047 08/24/10 06:25 08/24/10 06:25
Joined: Aug 2008 Posts: 482 B bart_the_13th Senior Member
bart_the_13th Senior Member B Joined: Aug 2008 Posts: 482	instead of changing z, try: Code: my.tilt-=time_frame*5;