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Added trackball.

This commit is contained in:
Federico Ponchio 2004-10-19 04:23:57 +00:00
parent aa10df58c6
commit c52f36b38b
1 changed files with 61 additions and 38 deletions
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99
apps/nexus/crudeview.cpp
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@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.3 2004/09/17 15:25:09 ponchio
First working (hopefully) release.
Revision 1.2 2004/07/05 15:49:39 ponchio
Windows (DevCpp, mingw) port.
@ -56,6 +59,7 @@ using namespace std;
#include <apps/nexus/crude.h>
#include <apps/nexus/vert_remap.h>
#include <wrap/gui/trackball.h>
using namespace vcg;
using namespace nxs;
@ -143,65 +147,84 @@ int main(int argc, char *argv[]) {
return -1;
}
Trackball track;
glClearColor(0, 0, 0, 0);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
bool redraw = false;
bool show_normals = true;
int quit = 0;
SDL_Event event;
int x, y;
float alpha = 0;
while( !quit ) {
while( SDL_PollEvent( &event ) ){
bool first = true;
SDL_WaitEvent(&event);
while( first || SDL_PollEvent( &event ) ){
first = false;
switch( event.type ) {
case SDL_QUIT: quit = 1; break;
case SDL_KEYDOWN:
switch(event.key.keysym.sym) {
case SDLK_q: exit(0); break;
}
//quit = 1;
//error++;
//if(error == 5) error = 0;
//render.setMaxError(error/10.0);
break;
case SDL_MOUSEBUTTONDOWN:
x = event.button.x;
y = event.button.y;
// hand.buttonDown(x, y, 1);
break;
case SDL_MOUSEBUTTONUP:
x = event.button.x;
y = event.button.y;
// hand.buttonUp(x, y);
break;
case SDL_MOUSEMOTION:
while(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEMOTIONMASK));
x = event.motion.x;
y = event.motion.y;
// hand.mouseMove(x, y);
break;
case SDL_QUIT: quit = 1; break;
case SDL_KEYDOWN:
switch(event.key.keysym.sym) {
case SDLK_RCTRL:
case SDLK_LCTRL:
track.ButtonDown(Trackball::KEY_CTRL); break;
case SDLK_q: exit(0); break;
}
break;
case SDL_MOUSEBUTTONDOWN:
x = event.button.x;
y = event.button.y;
if(event.button.button == SDL_BUTTON_WHEELUP)
track.MouseWheel(1);
else if(event.button.button == SDL_BUTTON_WHEELDOWN)
track.MouseWheel(-1);
else if(event.button.button == SDL_BUTTON_LEFT)
track.MouseDown(x, y, Trackball::BUTTON_LEFT);
else if(event.button.button == SDL_BUTTON_RIGHT)
track.MouseDown(x, y, Trackball::BUTTON_RIGHT);
break;
case SDL_MOUSEBUTTONUP:
x = event.button.x;
y = event.button.y;
if(event.button.button == SDL_BUTTON_LEFT)
track.MouseUp(x, y, Trackball::BUTTON_LEFT);
else if(event.button.button == SDL_BUTTON_RIGHT)
track.MouseUp(x, y, Trackball::BUTTON_RIGHT);
break;
case SDL_MOUSEMOTION:
while(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEMOTIONMASK));
x = event.motion.x;
y = event.motion.y;
track.MouseMove(x, y);
break;
default: break;
}
redraw = true;
}
if(!redraw) continue;
redraw = false;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60, 1, 0.1, 100);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0,0,3, 0,0,0, 0,1,0);
// hand.glTransform();
// hand.glDraw(ColorUB(255, 100, 100, 200), 3);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0,0,3, 0,0,0, 0,1,0);
track.GetView();
track.Apply();
float scale = 3/box.Diag();
//glScalef(0.4, 0.4, 0.4);
glRotatef(alpha, 0, 1, 0);
alpha++;
if(alpha > 360) alpha = 0;
glScalef(0.4, 0.4, 0.4);
// glRotatef(alpha, 0, 1, 0);
// alpha++;
// if(alpha > 360) alpha = 0;
glScalef(scale, scale, scale);
Point3f center = box.Center();
glTranslatef(-center[0], -center[1], -center[2]);