diff options
author | Brian Paul <[email protected]> | 1999-10-26 17:08:31 +0000 |
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committer | Brian Paul <[email protected]> | 1999-10-26 17:08:31 +0000 |
commit | 9a19ccb57897615c5ad7aa60f17a69ef3f4a69bf (patch) | |
tree | d373a5652aadabbf60341800403f7d3a696eed77 /progs/demos | |
parent | 98b607b57da6f7d2ae6e02906c1ae72cd1c3f311 (diff) |
better texture matrix, better end-cap reflections on cylinder
Diffstat (limited to 'progs/demos')
-rw-r--r-- | progs/demos/gloss.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/progs/demos/gloss.c b/progs/demos/gloss.c index 54d8ad53630..1c59484f547 100644 --- a/progs/demos/gloss.c +++ b/progs/demos/gloss.c @@ -1,4 +1,4 @@ -/* $Id: gloss.c,v 1.2 1999/10/23 08:12:23 brianp Exp $ */ +/* $Id: gloss.c,v 1.3 1999/10/26 17:08:31 brianp Exp $ */ /* * Specular reflection demo. The specular highlight is modulated by @@ -82,14 +82,7 @@ static void Display( void ) glMaterialfv(GL_FRONT, GL_SPECULAR, Black); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, BaseTexture); - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - glScalef(2.0, 2.0, 2.0); - glMatrixMode(GL_MODELVIEW); glCallList(Object); - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - glMatrixMode(GL_MODELVIEW); /* Second pass: specular lighting with reflection texture */ glBlendFunc(GL_ONE, GL_ONE); /* add */ @@ -237,6 +230,9 @@ static void Init( int argc, char *argv[] ) { static GLfloat height = 100.0; static GLfloat radius = 40.0; + static GLint slices = 24; /* pie slices around Z axis */ + static GLint stacks = 10; /* subdivisions along length of cylinder */ + static GLint rings = 4; /* rings in the end disks */ GLUquadricObj *q = gluNewQuadric(); assert(q); gluQuadricTexture(q, GL_TRUE); @@ -247,21 +243,36 @@ static void Init( int argc, char *argv[] ) glPushMatrix(); glTranslatef(0.0, 0.0, -0.5 * height); + glMatrixMode(GL_TEXTURE); + glLoadIdentity(); + glScalef(8.0, 4.0, 2.0); + glMatrixMode(GL_MODELVIEW); + /* cylinder */ gluQuadricNormals(q, GL_SMOOTH); gluQuadricTexture(q, GL_TRUE); - gluCylinder(q, radius, radius, height, 24, 10); + gluCylinder(q, radius, radius, height, slices, stacks); /* end cap */ + glMatrixMode(GL_TEXTURE); + glLoadIdentity(); + glScalef(3.0, 3.0, 1.0); + glMatrixMode(GL_MODELVIEW); + glTranslatef(0.0, 0.0, height); - gluDisk(q, 0.0, radius, 24, 1); + gluDisk(q, 0.0, radius, slices, rings); /* other end cap */ glTranslatef(0.0, 0.0, -height); gluQuadricOrientation(q, GLU_INSIDE); - gluDisk(q, 0.0, radius, 24, 1); + gluDisk(q, 0.0, radius, slices, rings); glPopMatrix(); + + glMatrixMode(GL_TEXTURE); + glLoadIdentity(); + glMatrixMode(GL_MODELVIEW); + glEndList(); gluDeleteQuadric(q); } |