void estiva_rectmesh(xyc **Zp, nde **Np)
{
static xyc *Z;
static nde *N;
static que *q;
double x, y, h;
long i, j;
initq(q);
h = 0.125;
if ( defop("-n") ) h = 1.0/atof(getop("-n"));
if ( defop("-h") ) h = atof(getop("-h"));
for ( i = 0, x = 0.0; i < 1.0/h+h/2.0; i++, x += h)
for ( j = 0, y = 0.0; j < 1.0/h+h/2.0; j++, y += h) {
if ( x == 0.0 || eq(x,1.0) || y == 0.0 || eq(y,1.0) ) {
if ( eq(y,1.0) && x != 0.0 && !eq(x,1.0) )
pushxyc(q,x,y,"north");
else if ( y == 0.0 && x != 0.0 && !eq(x,1.0) )
pushxyc(q,x,y,"south");
else if ( x == 0.0 && y != 0.0 && !eq(y,1.0) )
pushxyc(q,x,y,"west");
else if ( eq(x,1.0) && y != 0.0 && !eq(y,1.0) )
pushxyc(q,x,y,"east");
else
pushxyc(q,x,y,"zero");
}
else
pushxyc(q,x,y,NULL);
}
pushxyc(q,h/2.0,h/2.0,NULL);
pushxyc(q,1.0-h/2.0,1.0-h/2.0,NULL);
genmesh(q,Z,N);
p2(Z,N);
*Zp = Z; *Np = N;
}
int main(int argc, char* argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glutInitWindowSize(480, 272);
glutCreateWindow( __FILE__ );
#if !SYS
glutJoystickFunc(joystick, 0);
#else
glutPassiveMotionFunc(motion);
#endif
glutKeyboardFunc(keydown);
glutKeyboardUpFunc(keyup);
glutSpecialFunc(special_down);
glutSpecialUpFunc(special_up);
glutReshapeFunc(reshape);
glutDisplayFunc(display);
GLCHK(glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE));
GLCHK(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 64, 64, 0,
GL_RGBA, GL_UNSIGNED_BYTE, firefox_start));
GLCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
GLCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
genmesh();
GLCHK(glEnableClientState(GL_VERTEX_ARRAY));
GLCHK(glVertexPointer(3, GL_FLOAT, sizeof(struct vertex), &mesh[0].x));
GLCHK(glEnableClientState(GL_TEXTURE_COORD_ARRAY));
GLCHK(glTexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), &mesh[0].s));
GLCHK(glEnableClientState(GL_NORMAL_ARRAY));
GLCHK(glNormalPointer(GL_FLOAT, sizeof(struct vertex), &mesh[0].nx));
{
GLfloat ambient[] = { .3,.3,.3,1 };
GLCHK(glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient));
GLCHK(glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR));
}
{
GLfloat diff[] = { 1,1,1,1 };
GLfloat spec[] = { 1,1,1,1 };
GLfloat ambient[] = { .4,.4,.4,1 };
GLCHK(glMaterialfv(GL_FRONT, GL_DIFFUSE, diff));
GLCHK(glMaterialfv(GL_FRONT, GL_AMBIENT, ambient));
GLCHK(glMaterialfv(GL_FRONT, GL_SPECULAR, spec));
GLCHK(glMateriali(GL_FRONT, GL_SHININESS, 40));
}
GLCHK(glLockArraysEXT(0, MESHX*MESHY));
GLCHK(glEnable(GL_DEPTH_TEST));
GLCHK(glClearColor(0,0,.5,1));
GLCHK(glEnable(GL_NORMALIZE));
#if GL_PSP_bezier_patch
GLCHK(glPatchSubdivisionPSP(8,8));
//GLCHK(glPatchSubdivisionPSP(16,16));
//GLCHK(glPatchSubdivisionPSP(64,64));
#endif
// GLCHK(glPolygonOffset(1,0));
// GLCHK(glEnable(GL_POLYGON_OFFSET_FILL));
glutMainLoop();
return 0;
}
