I'm in the process of writing an RTS game (Real Time Strategy) I have no problems placing objects in my worlds. The problem come up when I try to select and move objects suck as tanks and other vehicles around the terrain, the entities float around the map ... sometimes take off into space wildly ... lol what am I doing wrong ... here is some of the code I am using ....

Code:

---

 function selectObject()
{
   
   if(!mouse_ent) { Selected = NULL; return; }
	//if(mouse_ent.ID != ID_Human) return;
	
	Selected = mouse_ent;
	
} 

---

Code:

---

 #define Target_X skill2
#define Target_Y skill3
#define Target_Z skill4
#define Move_Speed_X skill5
#define Move_Speed_Y skill6
#define Move_Speed_Z skill7

function moveObject()
{
	var Temp1[3];
	var Temp2[3];
	
	if(!Selected) return;
	
	Temp1[0] = mouse_pos.x;
	Temp1[1] = mouse_pos.y;
	Temp1[2] = 50;
	vec_for_screen(Temp1,camera);
	
	Temp2[0] = mouse_pos.x;
	Temp2[1] = mouse_pos.y;
	Temp2[2] = 5000;
	vec_for_screen(Temp2,camera);
	
	c_trace(Temp1,Temp2,IGNORE_PASSABLE | IGNORE_YOU);
	target.z += 40;
	
	vec_set(Selected.Target_X,target.x);
	while(1)
	{
		
		// Target?
		
		if(Selected.Target_X != 0 && Selected.Target_Y != 0 && Selected.Target_Y != 0)
		{
			
			// Turn towards the Target
			
			vec_diff(Temp1,Selected.Target_X,Selected.x);
			vec_to_angle(Selected.pan,Temp1);
			
			
			// Move towards Target
			
			if(vec_dist(Selected.x,Selected.Target_X) > 50)
			{
				
				Selected.Move_Speed_X = 4*time_step;
				c_move(Selected,Selected.Move_Speed_X,nullvector,IGNORE_ME | IGNORE_PASSABLE | GLIDE);
				
			} else {
				
				vec_set(Selected.Target_X,nullvector);
				
			}
			
		}
		
		// Set on ground
		
		c_trace(Selected.x,vector(Selected.x,Selected.y,Selected.z-1000),IGNORE_ME | IGNORE_PASSABLE);
		Selected.z -= result-40;
		
		wait(1);
		
	}
		
} 

---

Selected is a global vector that holds the entity selected. Any help will be greatly appreciated.

This isn't physics; Belongs in Scripting.

I tried that ... but someone from there told me the reason my entities are acting so weird is because I am using the physics engine. They told me to come here and see if someone could help.

LOL that someone was wrong! You are only using c_move which is not the physics engine. Physics engine commands use Phent_, not c_.

ok, thats fine ... is there an example out there I can look at. An yes he did say I can't use c_move, I pasted the code to show what I was trying to do ... all I want is some help, maybe an example. thats all.

Whoever you are listening to... stop!

c_move is the proper choice for an RTS. Unless you have a very specific reason for wanting your units to be physical (it would be very neat btw but not at all the way RTSs are right now), c_move is the right command for the job.

Hi fastlane69,

I was the one who told him...

I said that he cannot use c_move with physics and that I don't know how to move an entity properly which is physical. So I told him to ask in this (Physics) forum how to move an physics entity.....

I also said that I would prefer c_move but if he wants his units to be physically he can also do that with 3DGS.

Can you post an example (e.g. a tank movement) code ? (physics)

Gotcha. That makes more sense. From his posts, I got the impression that people were telling him that c_move was physics.

As it stands, his original post belongs in scripting since there is no physics here.

(PS: Nobody that I know has ever done RTS physically and that is not my area of expertise. You would have to post that in "user requests" to get an answer)