Esempio n. 1
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void adddirtoscene(Scene *s,DirRec *dr,V3d pos,V3d up) {
//  printf("Adding directory %s\n",dr->fname);
    s->add(new Cylinder(pos+0.0*up,pos+1.0*up,0.05*up.mod()));
    pos=pos+up;
//  s->add(new TextRend(dr->fname,10,pos,0.3));
    OrderedList<FileRec> ol;
    for (int i=1; i<=dr->fs.len; i++) {
        FileRec *r=dr->fs.num(i);
        ol.add(r,ordering(r));
    }
    V3d x=V3d::normcross(up,V3d::k)*up.mod()*0.8;  // Actually, want y=closest to real z
    V3d y=V3d::normcross(up,x)*up.mod()*0.8;
    for (int i=1; i<=ol.len; i++) {
        FileRec *r=ol.p2num(i);
//    printf("  %s\n",r->fname);
        float ang=((i%2)==0?1:-1)*(pi*(float)(i-1)/(float)(ol.len-1));
        V3d d=up+x*mysin(ang)+y*mycos(ang); // Bad, should do rotation instead.
        if (Seq(r->type(),"file")) {
            //s->add(new Cylinder(pos+0.0*d,pos+0.2*d,0.05*up.mod()));
            s->add(new Sphere(pos+0.1*d,0.02*up.mod()));
//      s->add(new TextRend(r->fname,10,pos+d,0.1));
        } else {
            DirRec *dr2=(DirRec *)r;
            adddirtoscene(s,dr2,pos,d.norm()*up.mod()*0.9);
        }
    }
}
Esempio n. 2
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 // scale is the width of the image in world space
  TexturedRectangle3d::TexturedRectangle3d(V3d cen,V3d r,V3d d,RGBmp *img,float s) {
   scale=s;
   textureimg=img;
   r=r.normalised()*scale;
   d=d.normalised()*scale*(float)img->height/(float)img->width;
   setupRectangle3d(cen-r/2.0-d/2.0,r,d);
 }
Esempio n. 3
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 bool rayPassesNearOrThrough(const V3d& rayOrigin, const V3d& rayDir) const
 {
     const double diagRadius = 1.2*bbox.size().length()/2; // Sphere diameter is length of box diagonal
     const V3d o2c = bbox.center() - rayOrigin; // vector from rayOrigin to box center
     const double l = o2c.length();
     if(l < diagRadius)
         return true; // rayOrigin lies within bounding sphere
     // rayOrigin lies outside of bounding sphere
     const double cosA = o2c.dot(rayDir)/l;  // cosine of angle between rayDir and vector from origin to center
     if(cosA < DBL_MIN)
         return false; // rayDir points to side or behind with respect to direction from origin to center of box
     const double sinA = sqrt(1 - cosA*cosA); // sine of angle between rayDir and vector from origin to center
     return sinA/cosA < diagRadius/l;
 }
Esempio n. 4
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 V3d *intersection(Line3d o) {
   //printf("\nTrying to find intersection %s-%s with %s-%s\n",a.toString(),b.toString(),o.a.toString(),o.b.toString());
   Line2d la=Line2d(a.dropz(),b.dropz());
   Line2d lb=Line2d(o.a.dropz(),o.b.dropz());
   float f=la.findintersectionnum(lb);
   V3d lah=a+f*(b-a);
   float g=lb.findintersectionnum(la);
   V3d lbh=o.a+g*(o.b-o.a);
   //printf("Intersection (%f) %s == %s (%f) ?\n",f,lah.toString(),lbh.toString(),g);
   return new V3d(lah.x,lah.y,lah.z);
   if (lah==lbh)
     return new V3d(lah.x,lah.y,lah.z);
   //printf("Intersection failed.\n");
     return NULL;
 }
Esempio n. 5
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  void Corner::findnormal() {
    normal=V3d::o;
    for (int i=1;i<=gs.len;i++)
      normal=normal+gs.num(i)->normal();
    if (gs.len>0)
      normal.normalise();
    col=ucharchop(255*myabs(V3d::normdot(normal,V3d(-1,2,-1))));
//    col=col*(float)gs.len/6.0;
  }
Esempio n. 6
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V3d Matrix::operator*(V3d u) {
  V3d n=V3d(0,0,0);
  float c;
  for (int i=0;i<=2;i++) {
    c=u.var(i);
    n.x=n.x+c*v[i][0];
    n.y=n.y+c*v[i][1];
    n.z=n.z+c*v[i][2];
  }
  return n;
}
Esempio n. 7
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void View3D::snapToPoint(const Imath::V3d & pos)
{

    double snapScale = 0.025;
    QString pointInfo;
    V3d newPos(0.0,0.0,0.0); //init newPos to origin
    if (snapToGeometry(pos, snapScale,
                &newPos, &pointInfo))
    {
        V3d posDiff = newPos - m_prevCursorSnap;
        g_logger.info("Selected Point Attributes:\n"
                "%s"
                "diff with previous = %.3f\n"
                "vector diff = %.3f",
                pointInfo, posDiff.length(), posDiff);
        // Snap cursor /and/ camera to new position
        // TODO: Decouple these, but in a sensible way
        m_cursorPos = newPos;
        m_camera.setCenter(newPos);
        m_prevCursorSnap = newPos;
    }
}
Esempio n. 8
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 float distAbove(V3d v) { // should be part of V3d!
   return v.distAbove(*this);
 }
Esempio n. 9
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float mod(V3d v) {
return v.mod();
}
Esempio n. 10
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File: kips.c Progetto: 10crimes/code
void main() {
  setuptriglookup();

  allegrosetup(scrwid,scrhei);
  makepalette(&greypalette);
  mypalette(255,0,0,0);
  mypalette(0,0,0,0);
  mypalette(255,1,1,1);
  mypalette(128,0,0,0);
  for (int r=0;r<16;r++) {
    for (int g=0;g<16;g++) {
      int palc=r+g*16;
      mypalette(palc,(r==0?0:brightness+0.2+change*0.5*r/15.0),(g==0?0:brightness+change*0.1+0.2*g/15.0),(g==0?0:brightness+change*0.2+0.6*g/15.0));
      // Groovy colours mypalette(palc,(r==0?0:0.1+0.6*r/15.0),(g==0?0:0.1+0.2*g/15.0),(g==0?0:0.1+0.7*g/15.0));
      // Good colours: mypalette(palc,(r==0?0:0.3+0.4*r/15.0),(g==0?0:0.1+0.2*g/15.0),(g==0?0:0.3+0.5*g/15.0));
    }
  }

    float pd=2.5;
    PPsetup(scrwid,scrhei,pd);
  V3d vel=V3d(0,0,0);
  V3d acc=V3d(0,0,0);
  float droll=0;
  float dyaw=0;
  float dpitch=0;
  int frame=0;

  // Set up track
  randomise();
  for (int i=0;i<=15;i++) {
    waves+Wave();
    // waves.num(i).display();
  }

  for (float thru=0;thru<1.0;thru+=1.0/(float)numps) {
    V3d here=getpos(thru);
    V3d forward=getpos(thru+0.00001)-here;
    V3d up=V3d::normcross(V3d::crazy,forward);
    V3d right=V3d::normcross(forward,up);
    for (int i=0;i<tunnelps;i++) {
      float t=2*pi*(float)i/(float)tunnelps;
      float s=sin(t);
      float c=cos(t);
      V3d v=here+tunnelrad*(s*up+c*right);
      octree.add(v);
    }
  }

  for (int i=1;i<500;i++) {
    octree.add(8.0*V3d(floatrnd(-1,1),floatrnd(-1,1),floatrnd(-1,1)));
  }

  // Display track
  float t=0;
  do {
    t=t+0.03;
    V3d from=V3d::rotate(6.0*V3d::k,V3d::j,t);
    ori.forcez(from.neg());
    pos=from;
    plotscene();
    writescreen();
  } while (!key[KEY_SPACE]);
  do {
  } while (key[KEY_SPACE]);

  // Race
  starttimer();
  float thru=0;
  float marker=0;
  pos=getpos(marker);
  V3d *tail=new V3d[taillen];
  int tailpos=0;
  do {
    thru+=0.001;
    // V3d last=V3d(pos.x,pos.y,pos.z);
    // V3d pos=getpos(thru);
    // V3d next=getpos(thru+0.00001);
    // V3d newz=next-pos;
    // ori.forcez(newz);
    frame++;
    // float pd=1.6+1.3*sin(2*pi*frame/1000.0);
    
    plotscene();
    
    // Plot and move marker
    V3d m;
    for (int i=1;i<=15;i++) {
      m=V3d::disorientate(getpos(marker)-pos,ori);
      if (m.mod()<markerrange)
        marker+=0.0002;
    }
    
    float u=PPgetunitnoadd(m);
    bool plot=false;
    if (u) {
      int x,y;
      float rad=0.12*u;
      if (PPgetscrposnoadd(m,PPlefteye,&x,&y))
      if (left.inimage(x,y)) {
        plot=true;
        left.opencircle(x,y,rad,15);
        left.opencircle(x,y,rad/2,15);
      }
      if (PPgetscrposnoadd(m,PPrighteye,&x,&y))
      if (right.inimage(x,y)) {
        plot=true;
        right.opencircle(x,y,rad,15*16);
        right.opencircle(x,y,rad/2,15*16);
      }
    }
    if (!plot) {
      V2d v=scrwid*2*V2d(m.x,m.y).norm();
      if (abs(v.x)>scrwid/2) {
        float change=(float)scrwid/2.0/abs(v.x);
        v=change*v;
      }
      if (abs(v.y)>scrhei/2) {
        float change=(float)scrhei/2.0/abs(v.y);
        v=change*v;
      }
      v=v+V2d(scrwid/2,scrhei/2);
      left.opencircle(v,5,15);
      right.opencircle(v,5,15*16);
    }
    
    // Pull player towards marker
    // if (m.mod()>markerrange+.1) {
      V3d pulldir=getpos(marker)-pos;
      // vel=vel+pulldir*0.02;
      // float amount=(V3d::normdot(ori.z(),pulldir)+5.0)/6.0;
      float amount=chop(0.99-(m.mod()-markerrange)/5.0,0,1);
      V3d newz=ori.z()*amount+(1.0-amount)*pulldir;
      ori.forcez(newz);
      // vel=vel*amount;
      // 
      // 
//    }
    
    // Draw and update tail
    V3d last=(tail[tailpos]-pos).disorientate(ori);
    for (int k=1;k<taillen;k++) {
      int j=mymod(tailpos+k,taillen);
      V3d next=(tail[j]-pos).disorientate(ori);
      plotline(last,next,(float)k/(float)taillen);
      last=next;
    }
    
    if ((frame % 2)==0) {
      tail[tailpos]=pos-ori.qz;
      tailpos=mymod(tailpos+1,taillen);
    }
    
  writescreen();
    
    // acc=hang(acc,V3d::origin,0.95,0.01);
    // Movement
    float angvel=turnability;
    if (key[KEY_LCONTROL])
      vel=vel+ori.z()*forcevel;
    else
    angvel=turnability*2.0;
    if (key[KEY_DOWN])
      dpitch=dpitch+angvel;
    if (key[KEY_UP])
      dpitch=dpitch-angvel;
    if (key[KEY_LEFT])
      if (key[KEY_ALT])
      droll=droll-angvel;
    else
    dyaw=dyaw-angvel;
    if (key[KEY_RIGHT])
      if (key[KEY_ALT])
      droll=droll+angvel;
    else
    dyaw=dyaw+angvel;
    vel=hang(vel,V3d::o,0.92,0);
    pos=pos+vel;
    droll=hang(droll,0,0.9,0);
    dyaw=hang(dyaw,0,0.9,0);
    dpitch=hang(dpitch,0,0.9,0);
    ori.roll(droll/5.0);
    ori.yaw(dyaw/5.0);
    ori.pitch(dpitch/5.0);
    
    framedone();
  } while (!key[KEY_SPACE] && !key[KEY_ESC]);
  savetimer();
  allegro_exit();
  displayframespersecond();
}
Esempio n. 11
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File: last.c Progetto: 10crimes/code
void main() {
  allegrosetup(scrwid,scrhei);
  makepalette(&greypalette);
  mypalette(255,0,0,0);
  mypalette(0,0,0,0);
  mypalette(255,1,1,1);
  mypalette(128,0,0,0);
  randomise();
  for (int i=0;i<=15;i++) {
    waves+Wave();
    // waves.num(i).display();
  }
  for (int r=0;r<16;r++) {
    for (int g=0;g<16;g++) {
      int palc=r+g*16;
      mypalette(palc,(r==0?0:brightness+0.2+change*0.5*r/15.0),(g==0?0:brightness+change*0.1+0.2*g/15.0),(g==0?0:brightness+change*0.2+0.6*g/15.0));
      // Groovy colours mypalette(palc,(r==0?0:0.1+0.6*r/15.0),(g==0?0:0.1+0.2*g/15.0),(g==0?0:0.1+0.7*g/15.0));
      // Good colours: mypalette(palc,(r==0?0:0.3+0.4*r/15.0),(g==0?0:0.1+0.2*g/15.0),(g==0?0:0.3+0.5*g/15.0));
    }
  }
  V3d vel=V3d(0,0,0);
  V3d acc=V3d(0,0,0);
  Ori ori;
  float droll=0;
  float dyaw=0;
  float dpitch=0;
  int frame=0;
  List<V3d> particles=List<V3d>(gridsize*gridsize*gridsize);
  /* for (int i=1;i<gridsize*gridsize*gridsize;i++) {
       particles+gridsize*V3d(floatrnd(-1,1),floatrnd(-1,1),floatrnd(-1,1));
     }*/
  int ps=1;
  float rad=0;
  for (float thru=0;thru<1.0;thru+=0.0016) {
    V3d here=getpos(thru);
    V3d forward=getpos(thru+0.00001)-here;
    V3d up=V3d::normcross(V3d::crazy,forward);
    V3d right=V3d::normcross(forward,up);
    for (int i=0;i<ps;i++) {
      float t=2*pi*(float)i/(float)ps;
      float s=sin(t);
      float c=cos(t);
      particles+(here+rad*(s*up+c*right));
    }
    // v.print();
  }
  starttimer();
  float thru=0;
  float marker=0;
  V3d pos=getpos(marker);
  V3d *tail=new V3d[taillen];
  int tailpos=0;
  do {
    thru+=0.001;
    // V3d last=V3d(pos.x,pos.y,pos.z);
    // V3d pos=getpos(thru);
    // V3d next=getpos(thru+0.00001);
    // V3d newz=next-pos;
    // ori.forcez(newz);
    frame++;
    // float pd=1.6+1.3*sin(2*pi*frame/1000.0);
    float pd=2.0;
    PPsetup(scrwid,scrhei,pd);
    left.clear(0);
    right.clear(0);
    // b.fadeby(16);
    int ioff=-mydiv(pos.x,gjump);
    int joff=-mydiv(pos.y,gjump);
    int koff=-mydiv(pos.z,gjump);
    ori.quickorisetup();
    // Need to find largest axis, and do loops with that one outside
    int ks=mysgn(ori.qz.z);
    int js=-mysgn(ori.qz.y);
    int is=-mysgn(ori.qz.x);
    for (int i=1;i<=particles.len;i++) {
      int x,y;
      V3d p=particles.num(i);
      V3d cen=p-pos+0.0*ori.y;
      cen=V3d::disorientate(cen,ori);
      int c=15.0-chop(14.0*(cen.z+gridsize)/(float)(gridsize*2),0,14);
      // int c=7.0-chop(6.0*(i/particles.len),0,6);
      plotsphere(cen,c);
    }
    
    // Plot and move marker
    V3d m;
    for (int i=1;i<=15;i++) {
      m=V3d::disorientate(getpos(marker)-pos,ori);
      if (m.mod()<markerrange)
        marker+=0.0002;
    }
    
    float u=PPgetunitnoadd(m);
    bool plot=false;
    if (u) {
      int x,y;
      float rad=0.08*u;
      PPgetscrposnoadd(m,PPlefteye,&x,&y);
      if (left.inimage(x,y)) {
        plot=true;
        left.opencircle(x,y,rad,15);
      }
      PPgetscrposnoadd(m,PPrighteye,&x,&y);
      if (right.inimage(x,y)) {
        plot=true;
        right.opencircle(x,y,rad,15*16);
      }
    }
    if (!plot) {
      V2d v=scrwid*2*V2d(m.x,m.y).norm();
      if (abs(v.x)>scrwid/2) {
        float change=(float)scrwid/2.0/abs(v.x);
        v=change*v;
      }
      if (abs(v.y)>scrhei/2) {
        float change=(float)scrhei/2.0/abs(v.y);
        v=change*v;
      }
      v=v+V2d(scrwid/2,scrhei/2);
      left.opencircle(v,5,15);
      right.opencircle(v,5,15*16);
    }
    
    // Pull player towards marker
    // if (m.mod()>markerrange+.1) {
      V3d pulldir=getpos(marker)-pos;
      // vel=vel+pulldir*0.02;
      // float amount=(V3d::normdot(ori.z(),pulldir)+5.0)/6.0;
      float amount=chop(0.99-(m.mod()-markerrange)/5.0,0,1);
      V3d newz=ori.z()*amount+(1.0-amount)*pulldir;
      ori.forcez(newz);
      // vel=vel*amount;
      // 
    //}

    // Draw and update tail
    V3d last=(tail[tailpos]-pos).disorientate(ori);
    for (int k=1;k<taillen;k++) {
      int j=mymod(tailpos+k,taillen);
      V3d next=(tail[j]-pos).disorientate(ori);
      plotline(last,next,(float)k/(float)taillen);
      last=next;
    }

    if ((frame % 5)==0) {
    tail[tailpos]=pos-ori.qz;
    tailpos=mymod(tailpos+1,taillen);
    }
        
    // Or screens
    for (int i=0;i<scrwid;i++) {
      for (int j=0;j<scrhei;j++) {
        b.bmp[j][i]=(left.bmp[j][i] | right.bmp[j][i]);
      }
    }
    b.writetoscreen();
    // acc=hang(acc,V3d::origin,0.95,0.01);
    
    // Movement
    float angvel=turnability;
    if (key[KEY_LCONTROL])
      vel=vel+ori.z()*forcevel;
    else
      angvel=turnability*2.0;
    if (key[KEY_UP])
      dpitch=dpitch+angvel;
    if (key[KEY_DOWN])
      dpitch=dpitch-angvel;
    if (key[KEY_LEFT])
      if (key[KEY_ALT])
      droll=droll-angvel;
    else
    dyaw=dyaw-angvel;
    if (key[KEY_RIGHT])
      if (key[KEY_ALT])
      droll=droll+angvel;
    else
    dyaw=dyaw+angvel;
    vel=hang(vel,V3d::o,0.91,0);
    pos=pos+vel;
    droll=hang(droll,0,0.9,0);
    dyaw=hang(dyaw,0,0.9,0);
    dpitch=hang(dpitch,0,0.9,0);
    ori.roll(droll/5.0);
    ori.yaw(dyaw/5.0);
    ori.pitch(dpitch/5.0);
    
    framedone();
  } while (!key[KEY_SPACE] && !key[KEY_ESC]);
  savetimer();
  allegro_exit();
  displayframespersecond();
}
Esempio n. 12
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 String toString() {
   return Sformat("%s-%s",a.toString(),b.toString());
 }
Esempio n. 13
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	static Matrix<double, 4, 4> _make_matrix(
		int x_axis,
		int y_axis,
		int z_axis
	)
	{
		typedef Vector<double, 3> V3d;
		V3d x = (x_axis<0) ? -V3d::Unit(-x_axis) : V3d::Unit(x_axis);
		V3d y = (y_axis<0) ? -V3d::Unit(-y_axis) : V3d::Unit(y_axis);
		V3d z = (z_axis<0) ? -V3d::Unit(-z_axis) : V3d::Unit(z_axis);

		return Matrix<double, 4, 4>(
			x.x(), x.y(), x.z(), 0,
			y.x(), y.y(), y.z(), 0,
			z.x(), z.y(), z.z(), 0,
			    0,     0,     0, 1
		);
	}
Esempio n. 14
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 void setupPlane(V3d a,V3d b) {
   pos=a; nor=b.normal();
 }
Esempio n. 15
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 String toString() {
   return Sformat(".%s^%s",pos.toString(),nor.toString());
 }
Esempio n. 16
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void dispfn(V3d p) {
  p.print();
}
Esempio n. 17
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 Renderable rotated(V3d ax,float ang) {
   return Triangle3d(a.rotated(ax,ang),b.rotated(ax,ang),c.rotated(ax,ang));
 }
Esempio n. 18
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File: ori.c Progetto: 10crimes/code
 void Ori::forcez(V3d nz) {
   nz=nz.normalised();
   y=V3d::normcross(x,nz).neg();
   x=V3d::normcross(y,nz);
   qz=nz;
 }
Esempio n. 19
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 Line3d orient(Viewpoint v) {
   return Line3d(a.orient(v),b.orient(v));
 }
Esempio n. 20
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 Plane orient(Viewpoint v) {
   return Plane(pos.orient(v),nor.orientate(v.ori));
 }