static void draw(void) { static int count=0; static char frbuf[80]; int i; float fr,base,offset; dojoy(); glEnable(GL_DEPTH_TEST); /* if(count & 1) { glDepthRange(1.0,0.5); glDepthFunc(GL_GREATER); } else { glDepthRange(0.0,0.5); glDepthFunc(GL_LESS); } */ /*glClear(GL_COLOR_BUFFER_BIT);*/ glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); if(usetex) glEnable(GL_TEXTURE_2D); else glDisable(GL_TEXTURE_2D); if(fog) glEnable(GL_FOG); else glDisable(GL_FOG); glShadeModel(GL_SMOOTH); glPushMatrix(); calcposobs(); gluLookAt(obs[0],obs[1],obs[2], obs[0]+dir[0],obs[1]+dir[1],obs[2]+dir[2], 0.0,0.0,1.0); if(dir[0]>0) { offset=8.0; base=obs[0]-fmod(obs[0],8.0); } else { offset=-8.0; base=obs[0]+(8.0-fmod(obs[0],8.0)); } glPushMatrix(); glTranslatef(base-offset/2.0,0.0,0.0); for(i=0;i<NUMBLOC;i++) { glTranslatef(offset,0.0,0.0); glBindTexture(GL_TEXTURE_2D,t1id); drawobjs(striplength_skin_11,stripdata_skin_11); glBindTexture(GL_TEXTURE_2D,t2id); drawobjs(striplength_skin_12,stripdata_skin_12); drawobjs(striplength_skin_9,stripdata_skin_9); drawobjs(striplength_skin_13,stripdata_skin_13); } glPopMatrix(); glPopMatrix(); if((count % FRAME)==0) { fr=gettime(); sprintf(frbuf,"Frame rate: %f",FRAME/fr); } glDisable(GL_TEXTURE_2D); glDisable(GL_DEPTH_TEST); glDisable(GL_FOG); glShadeModel(GL_FLAT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-0.5,639.5,-0.5,479.5,-1.0,1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glColor3f(1.0,0.0,0.0); glRasterPos2i(10,10); printstring(GLUT_BITMAP_HELVETICA_18,frbuf); glRasterPos2i(350,470); printstring(GLUT_BITMAP_HELVETICA_10,"Tunnel V1.3 Written by David Bucciarelli ([email protected])"); if(help) printhelp(); reshape(WIDTH,HEIGHT); glutSwapBuffers(); count++; }
static void draw(void) { static char frbuf[80] = ""; dojoy(); glEnable(GL_DEPTH_TEST); glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); if(usetex) glEnable(GL_TEXTURE_2D); else glDisable(GL_TEXTURE_2D); if(fog) glEnable(GL_FOG); else glDisable(GL_FOG); glEnable(GL_LIGHTING); glShadeModel(GL_SMOOTH); glPushMatrix(); calcposobs(); gluLookAt(obs[0],obs[1],obs[2], obs[0]+dir[0],obs[1]+dir[1],obs[2]+dir[2], 0.0,0.0,1.0); drawlight1(); glCallList(basedlist); drawteapot(); drawlight2(); glPopMatrix(); glDisable(GL_LIGHTING); glDisable(GL_TEXTURE_2D); glDisable(GL_DEPTH_TEST); glDisable(GL_FOG); glShadeModel(GL_FLAT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-0.5,639.5,-0.5,479.5,-1.0,1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glColor3f(1.0,0.0,0.0); glRasterPos2i(10,10); printstring(GLUT_BITMAP_HELVETICA_18,frbuf); glRasterPos2i(350,470); printstring(GLUT_BITMAP_HELVETICA_10,"Teapot V1.2 Written by David Bucciarelli ([email protected])"); if(help) printhelp(); reshape(WIDTH,HEIGHT); glutSwapBuffers(); Frames++; { GLint t = glutGet(GLUT_ELAPSED_TIME); if (t - T0 >= 2000) { GLfloat seconds = (t - T0) / 1000.0; GLfloat fps = Frames / seconds; sprintf(frbuf, "Frame rate: %f", fps); printf("%s\n", frbuf); fflush(stdout); T0 = t; Frames = 0; } } }
static void draw(void) { static char frbuf[80] = ""; int i; float base, offset; if (NiceFog) glHint(GL_FOG_HINT, GL_NICEST); else glHint(GL_FOG_HINT, GL_DONT_CARE); dojoy(); glClear(GL_COLOR_BUFFER_BIT); if (usetex) glEnable(GL_TEXTURE_2D); else glDisable(GL_TEXTURE_2D); if (fog) glEnable(GL_FOG); else glDisable(GL_FOG); glShadeModel(GL_SMOOTH); glPushMatrix(); calcposobs(); gluLookAt(obs[0], obs[1], obs[2], obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2], 0.0, 0.0, 1.0); if (dir[0] > 0) { offset = 8.0; base = obs[0] - fmod(obs[0], 8.0); } else { offset = -8.0; base = obs[0] + (8.0 - fmod(obs[0], 8.0)); } glPushMatrix(); glTranslatef(base - offset / 2.0, 0.0, 0.0); for (i = 0; i < NUMBLOC; i++) { glTranslatef(offset, 0.0, 0.0); glBindTexture(GL_TEXTURE_2D, t1id); drawobjs(striplength_skin_11, stripdata_skin_11); glBindTexture(GL_TEXTURE_2D, t2id); drawobjs(striplength_skin_12, stripdata_skin_12); drawobjs(striplength_skin_9, stripdata_skin_9); drawobjs(striplength_skin_13, stripdata_skin_13); } glPopMatrix(); glPopMatrix(); glDisable(GL_TEXTURE_2D); glDisable(GL_FOG); glShadeModel(GL_FLAT); glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity(); glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glColor3f(1.0, 0.0, 0.0); glRasterPos2i(10, 10); printstring(GLUT_BITMAP_HELVETICA_18, frbuf); glRasterPos2i(350, 470); printstring(GLUT_BITMAP_HELVETICA_10, "Tunnel V1.5 Written by David Bucciarelli ([email protected])"); if (help) printhelp(); glMatrixMode(GL_PROJECTION); glPopMatrix(); glMatrixMode(GL_MODELVIEW); glutSwapBuffers(); Frames++; { GLint t = glutGet(GLUT_ELAPSED_TIME); if (t - T0 >= 2000) { GLfloat seconds = (t - T0) / 1000.0; GLfloat fps = Frames / seconds; sprintf(frbuf, "Frame rate: %f", fps); T0 = t; Frames = 0; } } }
static void drawscene(void) { static char frbuf[80] = ""; dojoy(); glShadeModel(GL_SMOOTH); glEnable(GL_DEPTH_TEST); if (usetex) glEnable(GL_TEXTURE_2D); else glDisable(GL_TEXTURE_2D); if (fog) glEnable(GL_FOG); else glDisable(GL_FOG); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix(); calcposobs(); gluLookAt(obs[0], obs[1], obs[2], obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2], 0.0, 1.0, 0.0); drawterrain(); glPopMatrix(); glDisable(GL_TEXTURE_2D); glDisable(GL_DEPTH_TEST); glDisable(GL_FOG); glShadeModel(GL_FLAT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glColor3f(1.0, 0.0, 0.0); glRasterPos2i(10, 10); printstring(GLUT_BITMAP_HELVETICA_18, frbuf); glRasterPos2i(350, 470); printstring(GLUT_BITMAP_HELVETICA_10, "Terrain V1.2 Written by David Bucciarelli ([email protected])"); glRasterPos2i(434, 457); printstring(GLUT_BITMAP_HELVETICA_10, "Based on a Mickael's demo ([email protected])"); if (help) printhelp(); reshape(scrwidth, scrheight); glutSwapBuffers(); Frames++; { GLint t = glutGet(GLUT_ELAPSED_TIME); if (t - T0 >= 2000) { GLfloat seconds = (t - T0) / 1000.0; GLfloat fps = Frames / seconds; sprintf(frbuf, "Frame rate: %f", fps); T0 = t; Frames = 0; } } }
static void drawfire(void) { static int count=0; static char frbuf[80]; int j; float fr; dojoy(); glEnable(GL_DEPTH_TEST); if(fog) glEnable(GL_FOG); else glDisable(GL_FOG); glDepthMask(GL_TRUE); glClearColor(1.0,1.0,1.0,1.0); glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); glPushMatrix(); calcposobs(); gluLookAt(obs[0],obs[1],obs[2], obs[0]+dir[0],obs[1]+dir[1],obs[2]+dir[2], 0.0,1.0,0.0); glColor4f(1.0,1.0,1.0,1.0); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D,groundid); glBegin(GL_QUADS); glTexCoord2fv(qt[0]); glVertex3fv(q[0]); glTexCoord2fv(qt[1]); glVertex3fv(q[1]); glTexCoord2fv(qt[2]); glVertex3fv(q[2]); glTexCoord2fv(qt[3]); glVertex3fv(q[3]); glEnd(); glEnable(GL_ALPHA_TEST); glAlphaFunc(GL_GEQUAL,0.9); glBindTexture(GL_TEXTURE_2D,treeid); for(j=0;j<NUMTREE;j++) drawtree(treepos[j][0],treepos[j][1],treepos[j][2]); glDisable(GL_TEXTURE_2D); glDepthMask(GL_FALSE); glDisable(GL_ALPHA_TEST); if(shadows) { glBegin(GL_TRIANGLES); for(j=0;j<np;j++) { glColor4f(black[0],black[1],black[2],p[j].c[0][3]); glVertex3f(p[j].p[0][0],0.1,p[j].p[0][2]); glColor4f(black[0],black[1],black[2],p[j].c[1][3]); glVertex3f(p[j].p[1][0],0.1,p[j].p[1][2]); glColor4f(black[0],black[1],black[2],p[j].c[2][3]); glVertex3f(p[j].p[2][0],0.1,p[j].p[2][2]); } glEnd(); } glBegin(GL_TRIANGLES); for(j=0;j<np;j++) { glColor4fv(p[j].c[0]); glVertex3fv(p[j].p[0]); glColor4fv(p[j].c[1]); glVertex3fv(p[j].p[1]); glColor4fv(p[j].c[2]); glVertex3fv(p[j].p[2]); setpart(&p[j]); } glEnd(); if((count % FRAME)==0) { fr=gettime(); sprintf(frbuf,"Frame rate: %f",FRAME/fr); } glDisable(GL_TEXTURE_2D); glDisable(GL_ALPHA_TEST); glDisable(GL_DEPTH_TEST); glDisable(GL_FOG); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-0.5,639.5,-0.5,479.5,-1.0,1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glColor3f(1.0,0.0,0.0); glRasterPos2i(10,10); printstring(GLUT_BITMAP_HELVETICA_18,frbuf); glRasterPos2i(370,470); printstring(GLUT_BITMAP_HELVETICA_10,"Fire V1.5 Written by David Bucciarelli ([email protected])"); if(help) printhelp(); reshape(WIDTH,HEIGHT); glPopMatrix(); glutSwapBuffers(); count++; }
static void drawfire(void) { static char frbuf[80] = ""; int j; static double t0 = -1.; double t = glutGet(GLUT_ELAPSED_TIME) / 1000.0; if (t0 < 0.0) t0 = t; dt = (t - t0) * 1.0; t0 = t; dojoy(); if (NiceFog) glHint(GL_FOG_HINT, GL_NICEST); else glHint(GL_FOG_HINT, GL_DONT_CARE); glEnable(GL_DEPTH_TEST); if (fog) glEnable(GL_FOG); else glDisable(GL_FOG); glDepthMask(GL_TRUE); glClearColor(1.0, 1.0, 1.0, 1.0); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix(); calcposobs(); gluLookAt(obs[0], obs[1], obs[2], obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2], 0.0, 1.0, 0.0); glColor4f(1.0, 1.0, 1.0, 1.0); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, groundid); #if 1 glBegin(GL_QUADS); glTexCoord2fv(qt[0]); glVertex3fv(q[0]); glTexCoord2fv(qt[1]); glVertex3fv(q[1]); glTexCoord2fv(qt[2]); glVertex3fv(q[2]); glTexCoord2fv(qt[3]); glVertex3fv(q[3]); glEnd(); #else /* Subdivide the ground into a bunch of quads. This improves fog * if GL_FOG_HINT != GL_NICEST */ { float x, y; float dx = 1.0, dy = 1.0; glBegin(GL_QUADS); for (y = -DIMP; y < DIMP; y += 1.0) { for (x = -DIMP; x < DIMP; x += 1.0) { glTexCoord2f(0, 0); glVertex3f(x, 0, y); glTexCoord2f(1, 0); glVertex3f(x+dx, 0, y); glTexCoord2f(1, 1); glVertex3f(x+dx, 0, y+dy); glTexCoord2f(0, 1); glVertex3f(x, 0, y+dy); } } glEnd(); } #endif glEnable(GL_ALPHA_TEST); glAlphaFunc(GL_GEQUAL, 0.9); glBindTexture(GL_TEXTURE_2D, treeid); for (j = 0; j < NUMTREE; j++) drawtree(treepos[j][0], treepos[j][1], treepos[j][2]); glDisable(GL_TEXTURE_2D); glDepthMask(GL_FALSE); glDisable(GL_ALPHA_TEST); if (shadows) { glBegin(GL_TRIANGLES); for (j = 0; j < np; j++) { glColor4f(black[0], black[1], black[2], p[j].c[0][3]); glVertex3f(p[j].p[0][0], 0.1, p[j].p[0][2]); glColor4f(black[0], black[1], black[2], p[j].c[1][3]); glVertex3f(p[j].p[1][0], 0.1, p[j].p[1][2]); glColor4f(black[0], black[1], black[2], p[j].c[2][3]); glVertex3f(p[j].p[2][0], 0.1, p[j].p[2][2]); } glEnd(); } glBegin(GL_TRIANGLES); for (j = 0; j < np; j++) { glColor4fv(p[j].c[0]); glVertex3fv(p[j].p[0]); glColor4fv(p[j].c[1]); glVertex3fv(p[j].p[1]); glColor4fv(p[j].c[2]); glVertex3fv(p[j].p[2]); setpart(&p[j]); } glEnd(); glDisable(GL_TEXTURE_2D); glDisable(GL_ALPHA_TEST); glDisable(GL_DEPTH_TEST); glDisable(GL_FOG); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glColor3f(1.0, 0.0, 0.0); glRasterPos2i(10, 10); printstring(GLUT_BITMAP_HELVETICA_18, frbuf); glRasterPos2i(370, 470); printstring(GLUT_BITMAP_HELVETICA_10, "Fire V1.5 Written by David Bucciarelli ([email protected])"); if (help) printhelp(); reshape(WIDTH, HEIGHT); glPopMatrix(); glutSwapBuffers(); Frames++; { GLint t = glutGet(GLUT_ELAPSED_TIME); if (t - T0 >= 2000) { GLfloat seconds = (t - T0) / 1000.0; GLfloat fps = Frames / seconds; sprintf(frbuf, "Frame rate: %f", fps); printf("%s\n", frbuf); fflush(stdout); T0 = t; Frames = 0; } } }
static void draw(void) { static char frbuf[80] = ""; static GLfloat alpha = 0.0f; static GLfloat beta = 0.0f; static float fr = 0.0; static double t0 = -1.; double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0; if (t0 < 0.0) t0 = t; dt = t - t0; t0 = t; dojoy(); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); if (usetex) glEnable(GL_TEXTURE_2D); else glDisable(GL_TEXTURE_2D); if (fog) glEnable(GL_FOG); else glDisable(GL_FOG); glPushMatrix(); calcposobs(); gluLookAt(obs[0], obs[1], obs[2], obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2], 0.0, 0.0, 1.0); /* Scene */ glEnable(GL_DEPTH_TEST); glShadeModel(GL_SMOOTH); glBindTexture(GL_TEXTURE_2D, t1id); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glColor3f(1.0f, 1.0f, 1.0f); glEnable(GL_LIGHT0); glEnable(GL_LIGHTING); if (normext) glEnable(GL_RESCALE_NORMAL_EXT); else glEnable(GL_NORMALIZE); glPushMatrix(); glRotatef(alpha, 0.0f, 0.0f, 1.0f); glRotatef(beta, 1.0f, 0.0f, 0.0f); totpoly = 0; drawipers(0, FROM_NONE); glPopMatrix(); alpha += 4.f * dt; beta += 2.4f * dt; glDisable(GL_LIGHTING); glDisable(GL_LIGHT0); glShadeModel(GL_FLAT); if (normext) glDisable(GL_RESCALE_NORMAL_EXT); else glDisable(GL_NORMALIZE); glCallList(skydlist); glPopMatrix(); /* Help Screen */ sprintf(frbuf, "Frame rate: %0.2f LOD: %d Tot. poly.: %d Poly/sec: %.1f", fr, LODbias, totpoly, totpoly * fr); glDisable(GL_TEXTURE_2D); glDisable(GL_FOG); glShadeModel(GL_FLAT); glDisable(GL_DEPTH_TEST); glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity(); glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glColor3f(1.0, 0.0, 0.0); glRasterPos2i(10, 10); printstring(GLUT_BITMAP_HELVETICA_18, frbuf); glRasterPos2i(350, 470); printstring(GLUT_BITMAP_HELVETICA_10, "IperS V1.0 Written by David Bucciarelli ([email protected])"); if (help) printhelp(); glMatrixMode(GL_PROJECTION); glPopMatrix(); glMatrixMode(GL_MODELVIEW); glutSwapBuffers(); Frames++; { GLint t = glutGet(GLUT_ELAPSED_TIME); if (t - T0 >= 2000) { GLfloat seconds = (t - T0) / 1000.0; fr = Frames / seconds; T0 = t; Frames = 0; } } }
static void draw(void) { static int count=0; static char frbuf[80]; float fr; dojoy(); glEnable(GL_DEPTH_TEST); glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); if(usetex) glEnable(GL_TEXTURE_2D); else glDisable(GL_TEXTURE_2D); if(fog) glEnable(GL_FOG); else glDisable(GL_FOG); glEnable(GL_LIGHTING); glShadeModel(GL_SMOOTH); glPushMatrix(); calcposobs(); gluLookAt(obs[0],obs[1],obs[2], obs[0]+dir[0],obs[1]+dir[1],obs[2]+dir[2], 0.0,0.0,1.0); drawlight1(); glCallList(basedlist); drawteapot(); drawlight2(); glPopMatrix(); if((count % FRAME)==0) { fr=gettime(); sprintf(frbuf,"Frame rate: %f",FRAME/fr); } glDisable(GL_LIGHTING); glDisable(GL_TEXTURE_2D); glDisable(GL_DEPTH_TEST); glDisable(GL_FOG); glShadeModel(GL_FLAT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-0.5,639.5,-0.5,479.5,-1.0,1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glColor3f(1.0,0.0,0.0); glRasterPos2i(10,10); printstring(GLUT_BITMAP_HELVETICA_18,frbuf); glRasterPos2i(350,470); printstring(GLUT_BITMAP_HELVETICA_10,"Teapot V1.2 Written by David Bucciarelli ([email protected])"); if(help) printhelp(); reshape(WIDTH,HEIGHT); glutSwapBuffers(); count++; }
void drawscene(void) { static int count=0; static char frbuf[80]; float fr; dojoy(); glShadeModel(GL_SMOOTH); glEnable(GL_DEPTH_TEST); if(usetex) glEnable(GL_TEXTURE_2D); else glDisable(GL_TEXTURE_2D); if(fog) glEnable(GL_FOG); else glDisable(GL_FOG); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glPushMatrix(); calcposobs(); gluLookAt(obs[0],obs[1],obs[2], obs[0]+dir[0],obs[1]+dir[1],obs[2]+dir[2], 0.0,1.0,0.0); drawterrain(); glPopMatrix(); if((count % FRAME)==0) { fr=gettime(); sprintf(frbuf,"Frame rate: %.3f",FRAME/fr); } glDisable(GL_TEXTURE_2D); glDisable(GL_DEPTH_TEST); glDisable(GL_FOG); glShadeModel(GL_FLAT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-0.5,639.5,-0.5,479.5,-1.0,1.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glColor3f(1.0,0.0,0.0); glRasterPos2i(10,10); printstring(GLUT_BITMAP_HELVETICA_18,frbuf); glRasterPos2i(350,470); printstring(GLUT_BITMAP_HELVETICA_10,"Terrain V1.2 Written by David Bucciarelli ([email protected])"); glRasterPos2i(434,457); printstring(GLUT_BITMAP_HELVETICA_10,"Based on a Mickael's demo ([email protected])"); if(help) printhelp(); reshape(scrwidth,scrheight); glutSwapBuffers(); count++; }
static void draw(void) { static char frbuf[80] = ""; dojoy(); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glEnable(GL_TEXTURE_2D); glEnable(GL_DEPTH_TEST); if (fog) glEnable(GL_FOG); else glDisable(GL_FOG); glPushMatrix(); calcposobs(); gluLookAt(obs[0], obs[1], obs[2], obs[0] + dir[0], obs[1] + dir[1], obs[2] + dir[2], 0.0, 0.0, 1.0); drawbase(); drawobj(); glColor3f(1.0, 1.0, 1.0); glDisable(GL_TEXTURE_2D); glPushMatrix(); glTranslatef(lightpos[0], lightpos[1], lightpos[2]); glCallList(lightdlist); glPopMatrix(); glPopMatrix(); glDisable(GL_DEPTH_TEST); glDisable(GL_FOG); glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity(); glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0); glMatrixMode(GL_MODELVIEW); glColor3f(0.0f, 0.3f, 1.0f); if (showcheckmap) { glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, checkid); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glBegin(GL_QUADS); glTexCoord2f(1.0f, 0.0f); glVertex2i(10, 30); glTexCoord2f(1.0f, 1.0f); glVertex2i(10 + 90, 30); glTexCoord2f(0.0f, 1.0f); glVertex2i(10 + 90, 30 + 90); glTexCoord2f(0.0f, 0.0f); glVertex2i(10, 30 + 90); glEnd(); glDisable(GL_TEXTURE_2D); glBegin(GL_LINE_LOOP); glVertex2i(10, 30); glVertex2i(10 + 90, 30); glVertex2i(10 + 90, 30 + 90); glVertex2i(10, 30 + 90); glEnd(); glRasterPos2i(105, 65); printstring(GLUT_BITMAP_HELVETICA_18, "Plane Texture Map"); } if (showreflectmap) { glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, reflectid); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glBegin(GL_QUADS); glTexCoord2f(1.0f, 0.0f); glVertex2i(540, 30); glTexCoord2f(1.0f, 1.0f); glVertex2i(540 + 90, 30); glTexCoord2f(0.0f, 1.0f); glVertex2i(540 + 90, 30 + 90); glTexCoord2f(0.0f, 0.0f); glVertex2i(540, 30 + 90); glEnd(); glDisable(GL_TEXTURE_2D); glBegin(GL_LINE_LOOP); glVertex2i(540, 30); glVertex2i(540 + 90, 30); glVertex2i(540 + 90, 30 + 90); glVertex2i(540, 30 + 90); glEnd(); glRasterPos2i(360, 65); printstring(GLUT_BITMAP_HELVETICA_18, "Sphere Texture Map"); } glDisable(GL_TEXTURE_2D); glRasterPos2i(10, 10); printstring(GLUT_BITMAP_HELVETICA_18, frbuf); glRasterPos2i(360, 470); printstring(GLUT_BITMAP_HELVETICA_10, "Ray V1.0 Written by David Bucciarelli ([email protected])"); if (help) printhelp(); glMatrixMode(GL_PROJECTION); glPopMatrix(); glMatrixMode(GL_MODELVIEW); updatemaps(); glutSwapBuffers(); Frames++; { GLint t = glutGet(GLUT_ELAPSED_TIME); if (t - T0 >= 2000) { GLfloat seconds = (t - T0) / 1000.0; GLfloat fps = Frames / seconds; sprintf(frbuf, "Frame rate: %f", fps); T0 = t; Frames = 0; } } }