worl.c

来自「细胞自动机的一个源代码」· C语言 代码 · 共 122 行

#include "main.h"

int cubelist;

/* display inits */
void worldinit(void) {
  int i, j;

  printf("worl init...");

  worl.trx = makedyntrixd(4, 4);
  for (i=0; i<4; i++) {
    for (j=0; j<4; j++) {
      worl.trx->d[i][j] = ((i==j)?1.0:0.0);
    }
  }
  worl.com.x = 0.0;
  worl.com.y = 0.0;
  worl.wang = 0.0;
  worl.zang = 0.0;
  worl.zoom = -6.0;

  worl.curzang = 0.0;
  worl.stazang = 0.0;
  worl.nexzang = 0.0;

  worl.curwang = 0.0;
  worl.stawang = 0.0;
  worl.nexwang = 0.0;

  worl.act=0;
  worl.width = WL_W;
  worl.height = WL_H;

  worl.curball = -1;

  printf("done\n");

}

void disp_init(world_t *w, ca_t *ca) {

  int i, j, k;

  w->com.x = (float)(((float)ca->d[0])/2.0);
  w->com.y = (float)(((float)ca->d[1])/2.0);

}


/*void glinit(void) { */
void glinit(int mode, world_t *w, float *v) {

  printf("glinit....\n");

  switch (mode) {
  case 0:
    printf("default display mode\n");

    glEnable(GL_DEPTH_TEST);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glFrustum(-1.0, 1.0, -1.0, 1.0, 1.0, 100.0);

    w->v[0] = -1.0;
    w->v[1] = 1.0;
    w->v[2] = -1.0;
    w->v[3] = 1.0;
    w->v[4] = 1.0;
    w->v[5] = 100.0;

    configfunc(w->width, w->height);

    glMatrixMode(GL_MODELVIEW);
    break;
  case 1:
    printf("user defined projection\n");

    glEnable(GL_DEPTH_TEST);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glFrustum((double)v[0], (double)v[1], (double)v[2],
	      (double)v[3], (double)v[4], (double)v[5]);
    configfunc(w->width, w->height);

    memcpy(w->v, v, sizeof(float)*6);

    glMatrixMode(GL_MODELVIEW);

    break;
  case 2:
    printf("user defined ortho\n");

    glEnable(GL_DEPTH_TEST);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho((double)v[0], (double)v[1], (double)v[2],
	    (double)v[3], (double)v[4], (double)v[5]);
    configfunc(w->width, w->height);

    memcpy(w->v, v, sizeof(float)*6);

    glMatrixMode(GL_MODELVIEW);

    break;
  default:
    printf("unkown mode, exiting\n");
    exit(0);
    break;
  }

  //initlightmodel();
  //initlists();
  wlpostredisplay();

  printf("...glinit done\n");

}