diff options
Diffstat (limited to 'progs/demos')
| -rw-r--r-- | progs/demos/teapot.c | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/progs/demos/teapot.c b/progs/demos/teapot.c index 4769139ed98..93d1fcba5f7 100644 --- a/progs/demos/teapot.c +++ b/progs/demos/teapot.c @@ -195,11 +195,15 @@ static void printhelp(void) static void drawbase(void) { + static const GLfloat amb[4] = { 1, .5, 0.2, 1 }; + static const GLfloat diff[4] = { 1, .4, 0.2, 1 }; int i,j; float x,y,dx,dy; glBindTexture(GL_TEXTURE_2D,t1id); + glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, amb); + glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, diff); dx=BASESIZE/BASERES; dy=-BASESIZE/BASERES; for(y=BASESIZE/2.0,j=0;j<BASERES;y+=dy,j++) { @@ -219,9 +223,14 @@ static void drawbase(void) static void drawteapot(void) { + static const GLfloat amb[4] = { 0.2, 0.2, 0.2, 1 }; + static const GLfloat diff[4] = { 0.8, 0.3, 0.5, 1 }; static float xrot=0.0; static float zrot=0.0; + glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, amb); + glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, diff); + glPushMatrix(); glRotatef(lightalpha,0.0,0.0,1.0); glMultMatrixf((GLfloat *)baseshadow); @@ -421,11 +430,26 @@ static void inittextures(void) glGenTextures(1,&t2id); glBindTexture(GL_TEXTURE_2D,t2id); + glPixelTransferf(GL_RED_SCALE, 0.75); + glPixelTransferf(GL_RED_BIAS, 0.25); + glPixelTransferf(GL_GREEN_SCALE, 0.75); + glPixelTransferf(GL_GREEN_BIAS, 0.25); + glPixelTransferf(GL_BLUE_SCALE, 0.75); + glPixelTransferf(GL_BLUE_BIAS, 0.25); + if (!LoadRGBMipmaps("../images/bw.rgb", GL_RGB)) { fprintf(stderr,"Error reading a texture.\n"); exit(-1); } + glPixelTransferf(GL_RED_SCALE, 1.0); + glPixelTransferf(GL_RED_BIAS, 0.0); + glPixelTransferf(GL_GREEN_SCALE, 1.0); + glPixelTransferf(GL_GREEN_BIAS, 0.0); + glPixelTransferf(GL_BLUE_SCALE, 1.0); + glPixelTransferf(GL_BLUE_BIAS, 0.0); + + glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT); glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT); @@ -437,17 +461,26 @@ static void inittextures(void) static void initlight(void) { - float lamb[4]={0.2,0.2,0.2,1.0}; - float lspec[4]={1.0,1.0,1.0,1.0}; + float matamb[4] ={0.5, 0.5, 0.5, 1.0}; + float matdiff[4]={0.9, 0.2, 0.2, 1.0}; + float matspec[4]={1.0,1.0,1.0,1.0}; + + float lamb[4] ={1.5, 1.5, 1.5, 1.0}; + float ldiff[4]={1.0, 1.0, 1.0, 1.0}; + float lspec[4]={1.0, 1.0, 1.0, 1.0}; glLightf(GL_LIGHT0,GL_SPOT_CUTOFF,70.0); glLightf(GL_LIGHT0,GL_SPOT_EXPONENT,20.0); glLightfv(GL_LIGHT0,GL_AMBIENT,lamb); + glLightfv(GL_LIGHT0,GL_DIFFUSE,ldiff); glLightfv(GL_LIGHT0,GL_SPECULAR,lspec); - glMaterialf(GL_FRONT_AND_BACK,GL_SHININESS,20.0); - glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,lspec); + glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 15.0); + glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, matdiff); + glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, matspec); + glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, matamb); + glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lamb); glEnable(GL_LIGHT0); } |