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-rw-r--r--progs/ggi/gears2.c390
1 files changed, 0 insertions, 390 deletions
diff --git a/progs/ggi/gears2.c b/progs/ggi/gears2.c
deleted file mode 100644
index 9468c03177..0000000000
--- a/progs/ggi/gears2.c
+++ /dev/null
@@ -1,390 +0,0 @@
-/* gears.c */
-
-/*
- * 3-D gear wheels. This program is in the public domain.
- *
- * Brian Paul
- * modified by Uwe Maurer (uwe_maurer@t-online.de)
- */
-
-#include <string.h>
-#include <math.h>
-#include <stdlib.h>
-#include <ggi/ggi.h>
-#include <GL/ggimesa.h>
-#ifndef M_PI
-# define M_PI 3.14159265
-#endif
-
-
-ggi_visual_t vis;
-char text[100];
-int db_flag,vis_x, vis_y, vir_x, vir_y, gt;
-
-/*
- * Draw a gear wheel. You'll probably want to call this function when
- * building a display list since we do a lot of trig here.
- *
- * Input: inner_radius - radius of hole at center
- * outer_radius - radius at center of teeth
- * width - width of gear
- * teeth - number of teeth
- * tooth_depth - depth of tooth
- */
-static void gear( GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
- GLint teeth, GLfloat tooth_depth )
-{
- GLint i;
- GLfloat r0, r1, r2;
- GLfloat angle, da;
- GLfloat u, v, len;
-
- r0 = inner_radius;
- r1 = outer_radius - tooth_depth/2.0;
- r2 = outer_radius + tooth_depth/2.0;
-
- da = 2.0*M_PI / teeth / 4.0;
-
- glShadeModel( GL_FLAT );
-
- glNormal3f( 0.0, 0.0, 1.0 );
-
- /* draw front face */
- glBegin( GL_QUAD_STRIP );
- for (i=0;i<=teeth;i++) {
- angle = i * 2.0*M_PI / teeth;
- glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
- glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 );
- glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
- glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
- }
- glEnd();
-
- /* draw front sides of teeth */
- glBegin( GL_QUADS );
- da = 2.0*M_PI / teeth / 4.0;
- for (i=0;i<teeth;i++) {
- angle = i * 2.0*M_PI / teeth;
-
- glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 );
- glVertex3f( r2*cos(angle+da), r2*sin(angle+da), width*0.5 );
- glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), width*0.5 );
- glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
- }
- glEnd();
-
-
- glNormal3f( 0.0, 0.0, -1.0 );
-
- /* draw back face */
- glBegin( GL_QUAD_STRIP );
- for (i=0;i<=teeth;i++) {
- angle = i * 2.0*M_PI / teeth;
- glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 );
- glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
- glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
- glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
- }
- glEnd();
-
- /* draw back sides of teeth */
- glBegin( GL_QUADS );
- da = 2.0*M_PI / teeth / 4.0;
- for (i=0;i<teeth;i++) {
- angle = i * 2.0*M_PI / teeth;
-
- glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
- glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
- glVertex3f( r2*cos(angle+da), r2*sin(angle+da), -width*0.5 );
- glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 );
- }
- glEnd();
-
-
- /* draw outward faces of teeth */
- glBegin( GL_QUAD_STRIP );
- for (i=0;i<teeth;i++) {
- angle = i * 2.0*M_PI / teeth;
-
- glVertex3f( r1*cos(angle), r1*sin(angle), width*0.5 );
- glVertex3f( r1*cos(angle), r1*sin(angle), -width*0.5 );
- u = r2*cos(angle+da) - r1*cos(angle);
- v = r2*sin(angle+da) - r1*sin(angle);
- len = sqrt( u*u + v*v );
- u /= len;
- v /= len;
- glNormal3f( v, -u, 0.0 );
- glVertex3f( r2*cos(angle+da), r2*sin(angle+da), width*0.5 );
- glVertex3f( r2*cos(angle+da), r2*sin(angle+da), -width*0.5 );
- glNormal3f( cos(angle), sin(angle), 0.0 );
- glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), width*0.5 );
- glVertex3f( r2*cos(angle+2*da), r2*sin(angle+2*da), -width*0.5 );
- u = r1*cos(angle+3*da) - r2*cos(angle+2*da);
- v = r1*sin(angle+3*da) - r2*sin(angle+2*da);
- glNormal3f( v, -u, 0.0 );
- glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), width*0.5 );
- glVertex3f( r1*cos(angle+3*da), r1*sin(angle+3*da), -width*0.5 );
- glNormal3f( cos(angle), sin(angle), 0.0 );
- }
-
- glVertex3f( r1*cos(0), r1*sin(0), width*0.5 );
- glVertex3f( r1*cos(0), r1*sin(0), -width*0.5 );
-
- glEnd();
-
-
- glShadeModel( GL_SMOOTH );
-
- /* draw inside radius cylinder */
- glBegin( GL_QUAD_STRIP );
- for (i=0;i<=teeth;i++) {
- angle = i * 2.0*M_PI / teeth;
- glNormal3f( -cos(angle), -sin(angle), 0.0 );
- glVertex3f( r0*cos(angle), r0*sin(angle), -width*0.5 );
- glVertex3f( r0*cos(angle), r0*sin(angle), width*0.5 );
- }
- glEnd();
-
-}
-
-
-static GLfloat view_rotx=20.0, view_roty=30.0, view_rotz=0.0;
-static GLint gear1, gear2, gear3;
-static GLfloat angle = 0.0;
-
-static GLuint limit;
-static GLuint count = 1;
-
-
-static void draw( void )
-{
- static int n = 0;
- glClearColor(0,0,0,0);
- glClearIndex(0);
- glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
-
- glPushMatrix();
- glRotatef( view_rotx, 1.0, 0.0, 0.0 );
- glRotatef( view_roty, 0.0, 1.0, 0.0 );
- glRotatef( view_rotz, 0.0, 0.0, 1.0 );
-
- glPushMatrix();
- glTranslatef( -3.0, -2.0, 0.0 );
- glRotatef( angle, 0.0, 0.0, 1.0 );
- glCallList(gear1);
- glPopMatrix();
-
- glPushMatrix();
- glTranslatef( 3.1, -2.0, 0.0 );
- glRotatef( -2.0*angle-9.0, 0.0, 0.0, 1.0 );
- glCallList(gear2);
- glPopMatrix();
-
- glPushMatrix();
- glTranslatef( -3.1, 4.2, 0.0 );
- glRotatef( -2.0*angle-25.0, 0.0, 0.0, 1.0 );
- glCallList(gear3);
- glPopMatrix();
-
- glPopMatrix();
- glFlush();
- glFinish();
-
-#if 0
- ggiSetGCForeground(vis,255);
- ggiPuts(vis,0,0,"Mesa -> GGI");
- ggiPuts(vis,0,ggiGetInfo(vis)->mode->visible.y," Mesa -> GGI");
-
- ggiPuts(vis,0,16,text);
- ggiPuts(vis,0,ggiGetInfo(vis)->mode->visible.y+16,text);
-#endif
-
- if(db_flag)
- ggiMesaSwapBuffers();
-
- count++;
- if (count==limit) {
- exit(1);
- }
- ++n;
- /*
- if (!(n%10)){
- ggi_color rgb = { 10000, 10000, 10000 };
- ggiSetSimpleMode(vis,vis_x+(n/10),vis_y+(n/10),db_flag?2:1, gt);
- glViewport(0, 0,vis_x+(n/10),vis_y+(n/10));
- ggiSetGCForeground(vis, ggiMapColor(vis, &rgb));
- ggiDrawBox(vis, 20, 20, 100, 100);
- if(db_flag)
- ggiSetWriteFrame(vis, 1);
- }
- */
-}
-
-static void idle( void )
-{
- angle += 2.0;
- draw();
-}
-
-/* new window size or exposure */
-static void reshape( int width, int height )
-{
- GLfloat h = (GLfloat) height / (GLfloat) width;
-
- if(db_flag)
- glDrawBuffer(GL_BACK);
- else
- glDrawBuffer(GL_FRONT);
- glViewport(0, 0, (GLint)width, (GLint)height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum( -1.0, 1.0, -h, h, 5.0, 60.0 );
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef( 0.0, 0.0, -40.0 );
- glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
-
-}
-
-
-static void init( void )
-{
- static GLfloat pos[4] = {5.0, 5.0, 10.0, 0.0 };
- static GLfloat red[4] = {0.9, 0.9, 0.9, 1.0 };
- static GLfloat green[4] = {0.0, 0.8, 0.9, 1.0 };
- static GLfloat blue[4] = {0.2, 0.2, 1.0, 1.0 };
-
- glLightfv( GL_LIGHT0, GL_POSITION, pos );
- glEnable( GL_CULL_FACE );
- glEnable( GL_LIGHTING );
- glEnable( GL_LIGHT0 );
- glEnable( GL_DEPTH_TEST );
-
- /* make the gears */
- gear1 = glGenLists(1);
- glNewList(gear1, GL_COMPILE);
- glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red );
- glIndexi(1);
- gear( 1.0, 4.0, 1.0, 20, 0.7 );
- glEndList();
-
- gear2 = glGenLists(1);
- glNewList(gear2, GL_COMPILE);
- glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green );
- glIndexi(2);
- gear( 0.5, 2.0, 2.0, 10, 0.7 );
- glEndList();
-
- gear3 = glGenLists(1);
- glNewList(gear3, GL_COMPILE);
- glMaterialfv( GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue );
- glIndexi(3);
- gear( 1.3, 2.0, 0.5, 10, 0.7 );
- glEndList();
-
- glEnable( GL_NORMALIZE );
-}
-
-static void usage(char *s)
-{
- printf("%s visible_x visible_y virtual_x virtual_y bpp db_flag\n",s);
- printf("example:\n");
- printf("%s 320 200 320 400 8 1\n",s);
- exit(1);
-}
-
-int main( int argc, char *argv[] )
-{
- ggi_mesa_context_t ctx;
- ggi_mode mode;
- int bpp;
-
- limit=0;
-
- if (argc<7) usage(argv[0]);
-
- vis_x=atoi(argv[1]);
- vis_y=atoi(argv[2]);
- vir_x=atoi(argv[3]);
- vir_y=atoi(argv[4]);
- bpp=atoi(argv[5]);
- db_flag=atoi(argv[6]);
-
- switch(bpp)
- {
- case 4: gt=GT_4BIT;break;
- case 8: gt=GT_8BIT;break;
- case 15:gt=GT_15BIT;break;
- case 16:gt=GT_16BIT;break;
- case 24:gt=GT_24BIT;break;
- case 32:gt=GT_32BIT;break;
- default:
- printf("%i Bits per Pixel ???\n",bpp);
- exit(1);
- }
- sprintf(text,"%sx%s %i colors, RGB mode, %s",
- argv[1],argv[2],1<<bpp,
- (db_flag) ? "doublebuffer" : "no doublebuffer");
-
- if (ggiInit()<0)
- {
- printf("ggiInit() failed\n");
- exit(1);
- }
-
- if (ggiMesaInit() < 0)
- {
- printf("ggiMesaInit failed\n");
- exit(1);
- }
-
- vis=ggiOpen(NULL);
- if (vis==NULL)
- {
- printf("ggiOpen() failed\n");
- exit(1);
- }
-
- if (ggiSetSimpleMode(vis,vis_x,vis_y,db_flag ? 2 : 1,gt)<0)
- {
- printf("%s: can't set graphmode (%i %i %i %i) %i BPP\n",
- argv[0],vis_x,vis_y,vir_x,vir_y,bpp);
- exit(1);
- }
-
- if (ggiMesaAttach(vis) < 0)
- {
- printf("ggiMesaAttach failed\n");
- exit(1);
- }
- if (ggiMesaExtendVisual(vis, GL_FALSE, GL_FALSE, 16,
- 0, 0, 0, 0, 0, 1) < 0)
- {
- printf ("GGIMesaSetVisual() failed\n");
- exit(1);
- }
-
- ctx = ggiMesaCreateContext(vis);
- if (ctx==NULL)
- {
- printf("GGIMesaCreateContext() failed\n");
- exit(1);
- }
-
- ggiMesaMakeCurrent(ctx, vis);
- ggiGetMode(vis,&mode);
-
- reshape(mode.visible.x,mode.visible.y);
-
- init();
-
- while (!ggiKbhit(vis)) { /*sleep(1);*/ idle(); }
-
- ggiMesaDestroyContext(ctx);
- ggiClose(vis);
-
- printf("%s\n",text);
-
- ggiExit();
- return 0;
-}
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