Back to General and Gameplay Programming

Reading vertices and triangles from a file.

Grain · 2004-05-19T02:58:10

I am really inexperienced when it comes to file IO How do I get a file like this in to my vertex and triangle structures? . Named object: "Box01" Tri-mesh, Vertices: 8 Faces: 12 Vertex List: Vertex 0: X:-20.500000 Y:16.500000 Z:16.250000 Vertex 1: X:-20.500000 Y:-12.750000 Z:16.250000 Vertex 2: X:12.000000 Y:16.500000 Z:16.250000 Vertex 3: X:12.000000 Y:-12.750000 Z:16.250000 Vertex 4: X:12.000000 Y:16.500000 Z:-16.250000 Vertex 5: X:12.000000 Y:-12.750000 Z:-16.250000 Vertex 6: X:-20.500000 Y:16.500000 Z:-16.250000 Vertex 7: X:-20.500000 Y:-12.750000 Z:-16.250000 Face list: Face 0: A:0 B:1 C:2 AB:1 BC:1 CA:1 Smoothing: 1 Face 1: A:1 B:3 C:2 AB:1 BC:1 CA:1 Smoothing: 1 Face 2: A:2 B:3 C:4 AB:1 BC:1 CA:1 Smoothing: 2 Face 3: A:3 B:5 C:4 AB:1 BC:1 CA:1 Smoothing: 2 Face 4: A:4 B:5 C:6 AB:1 BC:1 CA:1 Smoothing: 1 Face 5: A:5 B:7 C:6 AB:1 BC:1 CA:1 Smoothing: 1 Face 6: A:6 B:7 C:0 AB:1 BC:1 CA:1 Smoothing: 2 Face 7: A:7 B:1 C:0 AB:1 BC:1 CA:1 Smoothing: 2 Face 8: A:6 B:0 C:4 AB:1 BC:1 CA:1 Smoothing: 4 Face 9: A:0 B:2 C:4 AB:1 BC:1 CA:1 Smoothing: 4 Face 10: A:1 B:7 C:3 AB:1 BC:1 CA:1 Smoothing: 4 Face 11: A:7 B:5 C:3 AB:1 BC:1 CA:1 Smoothing: 4 Here are my vertex, triangle and mesh structures. struct triangle { int vert[3]; int side[3]; vector3d norm; }; class Object3d { vector3d *Verts; int num_verts; triangle *Tris; int num_tris; edge *Edges; int num_edegs; int color, backcolor; public: vector3d pos, up, right, foward; Object3d(){}; Object3d(vector3d*,int, triangle*,int,int,int); };

General and Gameplay Programming Programming

Started by Grain May 17, 2004 03:44 PM

11 comments, last by Grain 19 years, 11 months ago

Seriema

634

May 18, 2004 09:14 PM

well since I''m the master of ugly hacks...
make a char dummy =)

char dum;
file >> dum >> dum >> x; // ''X'', '':'', -20.500000

Of course, if this was fscanf you''d write fscanf("X:%f", &x); =)
and boost has a boost::format to make it possible to write like you do in scanf/printf but using the C++ iostream library. Or maybe the boost::tokenizer is more your taste?

Good luck!

}-- Programmer/Gamer/Dreamer --{
I didn''t choose to code, coding choose me.

[ ThumbView: Adds thumbnail support for DDS, PCX, TGA and 16 other imagetypes for Windows XP Explorer. ] [ Chocolate peanuts: Brazilian recipe for home made chocolate covered peanuts. Pure coding pleasure. ]

Grain

500

Author

May 19, 2004 12:20 AM

I solved it on my own.

do{ch=file.get();}while(ch!=':');file >> x; do{ch=file.get();}while(ch!=':');file >> y; do{ch=file.get();}while(ch!=':');file >> z;

My hack is even uglier I think.

[edited by - Grain on May 19, 2004 1:20:55 AM]

Zahlman

1,682

May 19, 2004 02:58 AM

Is there a reason you can''t just put a space between the colon and the number in your file? o_O

Reading vertices and triangles from a file.

This topic is closed to new replies.

Popular Topics

Recommended Tutorials

Reading vertices and triangles from a file.

This topic is closed to new replies.

Popular Topics

Recommended Tutorials

Reticulating splines