[ODE] More tri-collider questions

[Eric Cha]

Ummm, I ran into the same difficulties (w/regards to compiling) ->
perhaps it would be helpful to post the steps necessary to get
tri-collider and Opcode to compile to a static library?  I know *I*
would appreciate it... =)

Eric

> -----Original Message-----
> From: ode-admin@q12.org [mailto:ode-admin@q12.org] On Behalf 
> Of nlin@nlin.net
> Sent: Sunday, June 23, 2002 4:54 PM
> To: ode@q12.org
> Subject: [ODE] More tri-collider questions
> 
> 
> Hi,
> 
> Thanks to the author's help I was able to compile the 
> tri-collider - I needed to modify opcode to compile it as a 
> static library, then compile the files in the tri-collider 
> directory as a static library, then link my test app against 
> both libraries.
> 
> Now that it's compiling, there's the small problem of getting 
> it to run :-)
> 
> My problem is that no contacts seem to be generated for my 
> simple test of colliding a sphere with a 2-triangle terrain. 
> My test program is a modified test_boxstack where I drop 
> spheres at 0,0,0 onto a test triangle mesh consisting of 
> points created with the following code:
> 
>   trilist = dCreateTriList(space, NULL,NULL);
> 
>   dcVector3 vertices[10];
>   int vertexcount;
>   int indices[10];
>   int indexcount;
> 
>   vertexcount=0;
>   vertices[vertexcount].x = 0.0;
>   vertices[vertexcount].y = 0.0;
>   vertices[vertexcount].z = 0.0;
>   vertexcount++;
>   vertices[vertexcount].x = 1.0;
>   vertices[vertexcount].y = 0.0;
>   vertices[vertexcount].z = 1.0;
>   vertexcount++;
>   vertices[vertexcount].x = 0.0;
>   vertices[vertexcount].y = 1.0;
>   vertices[vertexcount].z = 1.0;
>   vertexcount++;
>   vertices[vertexcount].x = 1.0;
>   vertices[vertexcount].y = 1.0;
>   vertices[vertexcount].z = 0.0;
>   vertexcount++;
> 
>   indexcount=0;
>   indices[indexcount++] = 0;
>   indices[indexcount++] = 1;
>   indices[indexcount++] = 2;
>   indices[indexcount++] = 3;
>   indices[indexcount++] = 2;
>   indices[indexcount++] = 1;
>   dGeomTriListBuild(trilist, vertices, vertexcount, indices, 
> indexcount);
> 
> Then when I run my program, the spheres do collide with the 
> mesh, but no contacts are getting generated. I put a debug 
> message in dcTriListCollider::CollideSphere to print out the 
> "TriangleIDCount" variable right after it is computed. It is 
> always zero.
> 
> Any idea what I am doing wrong? I really would like to get 
> this working!
> 
> Thanks,
> -Norman
> _______________________________________________
> ODE mailing list
> ODE@q12.org
> http://q12.org/mailman/listinfo/ode
> 
> ---
> Incoming mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.372 / Virus Database: 207 - Release Date: 6/20/2002
>  
> 

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.372 / Virus Database: 207 - Release Date: 6/20/2002