--- /dev/null
+/*
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * This file is provided AS IS with no warranties of any kind. The author
+ * shall have no liability with respect to the infringement of copyrights,
+ * trade secrets or any patents by this file or any part thereof. In no
+ * event will the author be liable for any lost revenue or profits or
+ * other special, indirect and consequential damages.
+ *
+ * Copyright 2004 Blair Tennessy
+ * tennessy@cs.ubc.ca
+ */
+
+#include <X11/Intrinsic.h>
+
+#ifdef STANDALONE
+#define PROGCLASS "AntInspect"
+#define HACK_INIT init_antinspect
+#define HACK_DRAW draw_antinspect
+#define HACK_RESHAPE reshape_antinspect
+#define HACK_HANDLE_EVENT antinspect_handle_event
+#define EVENT_MASK PointerMotionMask
+#define antinspect_opts xlockmore_opts
+#define DEFAULTS "*delay: 20000 \n" \
+ "*showFPS: False \n" \
+ "*wireframe: False \n"
+
+#include "xlockmore.h"
+#else
+#include "xlock.h"
+#endif
+
+#include <GL/glu.h>
+#include "gltrackball.h"
+
+#define DEF_SHADOWS "True"
+
+static int shadows;
+
+static XrmOptionDescRec opts[] = {
+ {(char *) "-shadows",
+ (char *) ".antinspect.shadows", XrmoptionNoArg, (caddr_t) "on"},
+
+ {(char *) "+shadows",
+ (char *) ".antinspect.shadows", XrmoptionNoArg, (caddr_t) "off"}
+};
+
+static argtype vars[] = {
+ {(caddr_t *) &shadows,
+ (char *) "shadows", (char *) "Shadows", (char *) DEF_SHADOWS, t_Bool}
+};
+
+static OptionStruct desc[] = {
+ {(char *) "-/+shadows",
+ (char *) "turn on/off ant shadows"}
+};
+
+ModeSpecOpt antinspect_opts = {sizeof opts / sizeof opts[0],
+ opts,
+ sizeof vars / sizeof vars[0],
+ vars,
+ desc};
+
+#ifdef USE_MODULES
+ModStruct antinspect_description =
+ {"antinspect", "init_antinspect", "draw_antinspect", "release_antinspect",
+ "draw_antinspect", "change_antinspect", (char *) NULL, &antinspect_opts,
+ 1000, 1, 1, 1, 4, 1.0, "",
+ "draws some ants", 0, NULL};
+#endif
+
+#define Scale4Window 0.3
+#define Scale4Iconic 0.4
+
+#define sqr(A) ((A)*(A))
+
+#ifndef Pi
+#define Pi M_PI
+#endif
+
+#define ObjAntinspectStrip 0
+#define ObjAntBody 1
+#define MaxObj 2
+
+/*************************************************************************/
+
+typedef struct {
+ GLint WindH, WindW;
+ GLfloat step;
+ GLfloat ant_position;
+ GLXContext *glx_context;
+ trackball_state *trackball;
+ Bool button_down_p;
+} antinspectstruct;
+
+static float front_shininess[] = {60.0};
+static float front_specular[] = {0.7, 0.7, 0.7, 1.0};
+static float ambient[] = {0.0, 0.0, 0.0, 1.0};
+static float diffuse[] = {1.0, 1.0, 1.0, 1.0};
+static float position0[] = {0.0, 3.0, 0.0, 1.0};
+static float position1[] = {-1.0, -3.0, 1.0, 0.0};
+static float lmodel_ambient[] = {0.5, 0.5, 0.5, 1.0};
+static float lmodel_twoside[] = {GL_TRUE};
+
+static float MaterialRed[] = {0.6, 0.0, 0.0, 1.0};
+static float MaterialOrange[] = {1.0, 0.69, 0.00, 1.0};
+static float MaterialGray[] = {0.2, 0.2, 0.2, 1.0};
+static float MaterialBlack[] = {0.1, 0.1, 0.1, 0.4};
+static float MaterialShadow[] = {0.3, 0.3, 0.3, 0.3};
+static float MaterialGray5[] = {0.5, 0.5, 0.5, 0.3};
+static float MaterialGray6[] = {0.6, 0.6, 0.6, 1.0};
+
+static antinspectstruct *antinspect = (antinspectstruct *) NULL;
+
+#define NUM_SCENES 2
+
+enum {X, Y, Z, W};
+enum {A, B, C, D};
+
+/* create a matrix that will project the desired shadow */
+void shadowmatrix(GLfloat shadowMat[4][4],
+ GLfloat groundplane[4],
+ GLfloat lightpos[4]) {
+ GLfloat dot;
+
+ /* find dot product between light position vector and ground plane normal */
+ dot = groundplane[X] * lightpos[X] +
+ groundplane[Y] * lightpos[Y] +
+ groundplane[Z] * lightpos[Z] +
+ groundplane[W] * lightpos[W];
+
+ shadowMat[0][0] = dot - lightpos[X] * groundplane[X];
+ shadowMat[1][0] = 0.f - lightpos[X] * groundplane[Y];
+ shadowMat[2][0] = 0.f - lightpos[X] * groundplane[Z];
+ shadowMat[3][0] = 0.f - lightpos[X] * groundplane[W];
+
+ shadowMat[X][1] = 0.f - lightpos[Y] * groundplane[X];
+ shadowMat[1][1] = dot - lightpos[Y] * groundplane[Y];
+ shadowMat[2][1] = 0.f - lightpos[Y] * groundplane[Z];
+ shadowMat[3][1] = 0.f - lightpos[Y] * groundplane[W];
+
+ shadowMat[X][2] = 0.f - lightpos[Z] * groundplane[X];
+ shadowMat[1][2] = 0.f - lightpos[Z] * groundplane[Y];
+ shadowMat[2][2] = dot - lightpos[Z] * groundplane[Z];
+ shadowMat[3][2] = 0.f - lightpos[Z] * groundplane[W];
+
+ shadowMat[X][3] = 0.f - lightpos[W] * groundplane[X];
+ shadowMat[1][3] = 0.f - lightpos[W] * groundplane[Y];
+ shadowMat[2][3] = 0.f - lightpos[W] * groundplane[Z];
+ shadowMat[3][3] = dot - lightpos[W] * groundplane[W];
+}
+
+GLfloat ground[4] = {0.0, 1.0, 0.0, -0.00001};
+
+/* simple filled sphere */
+static Bool mySphere(float radius) {
+ GLUquadricObj *quadObj;
+
+ if((quadObj = gluNewQuadric()) == 0)
+ return False;
+ gluQuadricDrawStyle(quadObj, (GLenum) GLU_FILL);
+ gluSphere(quadObj, radius, 16, 16);
+ gluDeleteQuadric(quadObj);
+
+ return True;
+}
+
+/* caged sphere */
+static Bool mySphere2(float radius) {
+ GLUquadricObj *quadObj;
+
+ if((quadObj = gluNewQuadric()) == 0)
+ return False;
+ gluQuadricDrawStyle(quadObj, (GLenum) GLU_LINE);/*GLU_SILHOUETTE);*/
+ gluSphere(quadObj, radius, 16, 8);
+ gluDeleteQuadric(quadObj);
+
+ return True;
+}
+
+/* null cone */
+static Bool myCone2(float radius) {
+ return True;
+}
+
+int linewidth = 1;
+static float ant_step = 0;
+
+/* draw an ant */
+static Bool draw_antinspect_ant(antinspectstruct * mp, float *Material, int mono,
+ Bool (*sphere)(float), Bool (*cone)(float)) {
+ float cos1 = cos(ant_step);
+ float cos2 = cos(ant_step + 2 * Pi / 3);
+ float cos3 = cos(ant_step + 4 * Pi / 3);
+ float sin1 = sin(ant_step);
+ float sin2 = sin(ant_step + 2 * Pi / 3);
+ float sin3 = sin(ant_step + 4 * Pi / 3);
+
+ if (mono)
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialGray5);
+ else
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Material);
+ glEnable(GL_CULL_FACE);
+ glPushMatrix();
+ glScalef(1, 1.3, 1);
+ if (!((*sphere)(0.18)))
+ return False;
+ glScalef(1, 1 / 1.3, 1);
+ glTranslatef(0.00, 0.30, 0.00);
+ if (!((*sphere)(0.2)))
+ return False;
+
+ glTranslatef(-0.05, 0.17, 0.05);
+ glRotatef(-90, 1, 0, 0);
+ glRotatef(-25, 0, 1, 0);
+ if (!((*cone)(0.05)))
+ return False;
+ glTranslatef(0.00, 0.10, 0.00);
+ if (!((*cone)(0.05)))
+ return False;
+ glRotatef(25, 0, 1, 0);
+ glRotatef(90, 1, 0, 0);
+
+ glScalef(1, 1.3, 1);
+ glTranslatef(0.15, -0.65, 0.05);
+ if (!((*sphere)(0.25)))
+ return False;
+ glScalef(1, 1 / 1.3, 1);
+ glPopMatrix();
+ glDisable(GL_CULL_FACE);
+
+ glDisable(GL_LIGHTING);
+
+ /* ANTENNAS */
+ glBegin(GL_LINES);
+ if (mono)
+ glColor3fv(MaterialGray5);
+ else
+ glColor3fv(Material);
+ glVertex3f(0.00, 0.30, 0.00);
+ glColor3fv(MaterialGray);
+ glVertex3f(0.40, 0.70, 0.40);
+ if (mono)
+ glColor3fv(MaterialGray5);
+ else
+ glColor3fv(Material);
+ glVertex3f(0.00, 0.30, 0.00);
+ glColor3fv(MaterialGray);
+ glVertex3f(0.40, 0.70, -0.40);
+ glEnd();
+ glBegin(GL_POINTS);
+ if (mono)
+ glColor3fv(MaterialGray6);
+ else
+ glColor3fv(Material);
+ glVertex3f(0.40, 0.70, 0.40);
+ glVertex3f(0.40, 0.70, -0.40);
+ glEnd();
+
+ /* LEFT-FRONT ARM */
+ glBegin(GL_LINE_STRIP);
+ if (mono)
+ glColor3fv(MaterialGray5);
+ else
+ glColor3fv(Material);
+ glVertex3f(0.00, 0.05, 0.18);
+ glVertex3f(0.35 + 0.05 * cos1, 0.15, 0.25);
+ glColor3fv(MaterialGray);
+ glVertex3f(-0.20 + 0.05 * cos1, 0.25 + 0.1 * sin1, 0.45);
+ glEnd();
+
+ /* LEFT-CENTER ARM */
+ glBegin(GL_LINE_STRIP);
+ if (mono)
+ glColor3fv(MaterialGray5);
+ else
+ glColor3fv(Material);
+ glVertex3f(0.00, 0.00, 0.18);
+ glVertex3f(0.35 + 0.05 * cos2, 0.00, 0.25);
+ glColor3fv(MaterialGray);
+ glVertex3f(-0.20 + 0.05 * cos2, 0.00 + 0.1 * sin2, 0.45);
+ glEnd();
+
+ /* LEFT-BACK ARM */
+ glBegin(GL_LINE_STRIP);
+ if (mono)
+ glColor3fv(MaterialGray5);
+ else
+ glColor3fv(Material);
+ glVertex3f(0.00, -0.05, 0.18);
+ glVertex3f(0.35 + 0.05 * cos3, -0.15, 0.25);
+ glColor3fv(MaterialGray);
+ glVertex3f(-0.20 + 0.05 * cos3, -0.25 + 0.1 * sin3, 0.45);
+ glEnd();
+
+ /* RIGHT-FRONT ARM */
+ glBegin(GL_LINE_STRIP);
+ if (mono)
+ glColor3fv(MaterialGray5);
+ else
+ glColor3fv(Material);
+ glVertex3f(0.00, 0.05, -0.18);
+ glVertex3f(0.35 - 0.05 * sin1, 0.15, -0.25);
+ glColor3fv(MaterialGray);
+ glVertex3f(-0.20 - 0.05 * sin1, 0.25 + 0.1 * cos1, -0.45);
+ glEnd();
+
+ /* RIGHT-CENTER ARM */
+ glBegin(GL_LINE_STRIP);
+ if (mono)
+ glColor3fv(MaterialGray5);
+ else
+ glColor3fv(Material);
+ glVertex3f(0.00, 0.00, -0.18);
+ glVertex3f(0.35 - 0.05 * sin2, 0.00, -0.25);
+ glColor3fv(MaterialGray);
+ glVertex3f(-0.20 - 0.05 * sin2, 0.00 + 0.1 * cos2, -0.45);
+ glEnd();
+
+ /* RIGHT-BACK ARM */
+ glBegin(GL_LINE_STRIP);
+ if (mono)
+ glColor3fv(MaterialGray5);
+ else
+ glColor3fv(Material);
+ glVertex3f(0.00, -0.05, -0.18);
+ glVertex3f(0.35 - 0.05 * sin3, -0.15, -0.25);
+ glColor3fv(MaterialGray);
+ glVertex3f(-0.20 - 0.05 * sin3, -0.25 + 0.1 * cos3, -0.45);
+ glEnd();
+
+ glEnable(GL_LIGHTING);
+
+ return True;
+}
+
+/* only works with 3 right now */
+#define ANTCOUNT 3
+
+float MaterialBen[4] = {0.25, 0.30, 0.46, 1.0};
+
+static float* antmaterial[ANTCOUNT] =
+ {MaterialRed, MaterialBen, MaterialOrange};
+static double antposition[ANTCOUNT] = {0.0, 120.0, 240.0};
+static double antvelocity[ANTCOUNT] = {0.3, 0.3, 0.3};
+static double antsphere[ANTCOUNT] = {1.2, 1.2, 1.2};
+
+/* permutations */
+static double antorder[6][ANTCOUNT] = {{0, 1, 2},
+ {0, 2, 1},
+ {2, 0, 1},
+ {2, 1, 0},
+ {1, 2, 0},
+ {1, 0, 2}};
+
+/* draw the scene */
+static Bool draw_antinspect_strip(ModeInfo * mi) {
+ antinspectstruct *mp = &antinspect[MI_SCREEN(mi)];
+ int i, j;
+ int mono = MI_IS_MONO(mi);
+
+ int ro = (((int)antposition[1])/(360/(2*ANTCOUNT))) % (2*ANTCOUNT);
+
+ glEnable(GL_TEXTURE_2D);
+ position0[1] = 9.6;
+ glLightfv(GL_LIGHT0, GL_POSITION, position0);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialGray5);
+ glRotatef(-30.0, 0.0, 1.0, 0.0);
+
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_BLEND);
+
+ /* render ground plane */
+ glBegin(GL_TRIANGLES);
+ glColor4fv(MaterialShadow);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialBlack);
+ glNormal3f(0.0, 1.0, 0.0);
+
+ /* middle tri */
+ glVertex3f(0.0, 0.0, -1.0);
+ glVertex3f(-sqrt(3.0)/2.0, 0.0, 0.5);
+ glVertex3f(sqrt(3.0)/2.0, 0.0, 0.5);
+ glEnd();
+
+ /* rotate */
+ for(i = 0; i < 3; ++i) {
+ glRotatef(120.0, 0.0, 1.0, 0.0);
+ glBegin(GL_TRIANGLES);
+ glVertex3f(0.0, 0.0, 1.0 + 3.0);
+ glVertex3f(sqrt(3.0)/2.0, 0.0, -0.5 + 3.0);
+ glVertex3f(-sqrt(3.0)/2.0, 0.0, -0.5 + 3.0);
+ glEnd();
+ }
+
+ /* first render shadows -- no depth required */
+ if(shadows) {
+ GLfloat m[4][4];
+ shadowmatrix(m, ground, position0);
+
+ glColor4fv(MaterialShadow);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialShadow);
+
+ glDisable(GL_BLEND);
+ glDisable(GL_LIGHTING);
+
+ /* display ant shadow */
+ glPushMatrix();
+ glTranslatef(0.0, 0.001, 0.0);
+ glMultMatrixf(m[0]);
+
+ for(i = 0; i < ANTCOUNT; ++i) {
+
+ /* draw ant */
+ glPushMatrix();
+
+ /* center */
+ glRotatef(antposition[i], 0.0, 1.0, 0.0);
+ glTranslatef(2.4, 0.0, 0.0);
+ glTranslatef(0.0, antsphere[i], 0.0);
+ glRotatef(90.0, 0.0, 1.0, 0.0);
+
+ /* orient ant */
+ glRotatef(10.0, 0.0, 1.0, 0.0);
+ glRotatef(40.0, 0.0, 0.0, 1.0);
+ glTranslatef(0.0, -0.8, 0.0);
+ glRotatef(180.0, 0.0, 1.0, 0.0);
+ glRotatef(90.0, 0.0, 0.0, 1.0);
+
+ /* set colour */
+ glColor4fv(MaterialShadow);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialShadow);
+
+ if(antposition[i] > 360.0)
+ antposition[i] = 0.0;
+ draw_antinspect_ant(mp, MaterialShadow, mono, mySphere2, myCone2);
+
+ glDisable(GL_BLEND);
+ glDisable(GL_LIGHTING);
+
+ /* draw sphere */
+ glRotatef(-20.0, 1.0, 0.0, 0.0);
+ glRotatef(-ant_step*2, 0.0, 0.0, 1.0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialShadow);
+ mySphere2(1.2);
+
+ glPopMatrix();
+ }
+
+ glPopMatrix();
+ }
+
+ glEnable(GL_LIGHTING);
+
+ /* truants */
+ for(j = 0; j < ANTCOUNT; ++j) {
+ /* determine rendering order */
+ i = antorder[ro][j];
+
+ glPushMatrix();
+
+ /* center */
+ glRotatef(antposition[i], 0.0, 1.0, 0.0);
+ glTranslatef(2.4, 0.0, 0.0);
+ glTranslatef(0.0, antsphere[i], 0.0);
+ glRotatef(90.0, 0.0, 1.0, 0.0);
+
+ /* draw ant */
+ glPushMatrix();
+ glRotatef(10.0, 0.0, 1.0, 0.0);
+ glRotatef(40.0, 0.0, 0.0, 1.0);
+ glTranslatef(0.0, -0.8, 0.0);
+ glRotatef(180.0, 0.0, 1.0, 0.0);
+ glRotatef(90.0, 0.0, 0.0, 1.0);
+ if(antposition[i] > 360.0)
+ antposition[i] = 0.0;
+ glEnable(GL_BLEND);
+ draw_antinspect_ant(mp, antmaterial[i], mono, mySphere2, myCone2);
+ glDisable(GL_BLEND);
+ glPopMatrix();
+
+ /* draw sphere */
+ glRotatef(-20.0, 1.0, 0.0, 0.0);
+ glRotatef(-ant_step*2, 0.0, 0.0, 1.0);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mono ? MaterialGray5 : antmaterial[i]);
+ mySphere2(1.2);
+ glEnable(GL_BLEND);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialBlack);
+ mySphere(1.16);
+ glDisable(GL_BLEND);
+
+ glPopMatrix();
+
+ /* finally, evolve */
+ antposition[i] += antvelocity[i];
+ }
+
+ /* but the step size is the same! */
+ ant_step += 0.2;
+
+ mp->ant_position += 1;
+ return True;
+}
+
+void reshape_antinspect(ModeInfo * mi, int width, int height) {
+ double h = (GLfloat) height / (GLfloat) width;
+ antinspectstruct *mp = &antinspect[MI_SCREEN(mi)];
+ linewidth = (width / 512) + 1;
+
+ glViewport(0, 0, mp->WindW = (GLint) width, mp->WindH = (GLint) height);
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+
+ gluPerspective(45, 1/h, 7.0, 20.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLineWidth(linewidth);
+ glPointSize(linewidth);
+}
+
+static void pinit(void) {
+ glClearDepth(1.0);
+ glClearColor(0.0, 0.0, 0.0, 1.0);
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT0, GL_POSITION, position0);
+ glLightfv(GL_LIGHT1, GL_AMBIENT, ambient);
+ glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse);
+ glLightfv(GL_LIGHT1, GL_POSITION, position1);
+ glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
+ glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_LIGHT1);
+ glEnable(GL_NORMALIZE);
+ glFrontFace(GL_CCW);
+
+ /* antinspect */
+ glShadeModel(GL_SMOOTH);
+ glEnable(GL_DEPTH_TEST);
+ glDisable(GL_TEXTURE_2D);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, front_shininess);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, front_specular);
+}
+
+void release_antinspect(ModeInfo * mi) {
+ if(antinspect) {
+ free((void *) antinspect);
+ antinspect = (antinspectstruct *) NULL;
+ }
+ FreeAllGL(mi);
+}
+
+Bool antinspect_handle_event (ModeInfo *mi, XEvent *event) {
+ antinspectstruct *mp = &antinspect[MI_SCREEN(mi)];
+
+ if(event->xany.type == ButtonPress && event->xbutton.button & Button1) {
+ mp->button_down_p = True;
+ gltrackball_start(mp->trackball,
+ event->xbutton.x, event->xbutton.y,
+ MI_WIDTH (mi), MI_HEIGHT (mi));
+ return True;
+ }
+ else if(event->xany.type == ButtonRelease &&
+ event->xbutton.button & Button1) {
+ mp->button_down_p = False;
+ return True;
+ }
+ else if(event->xany.type == MotionNotify && mp->button_down_p) {
+ gltrackball_track (mp->trackball,
+ event->xmotion.x, event->xmotion.y,
+ MI_WIDTH (mi), MI_HEIGHT (mi));
+ return True;
+ }
+
+ return False;
+}
+
+void init_antinspect(ModeInfo * mi) {
+ antinspectstruct *mp;
+
+ if(antinspect == NULL) {
+ if((antinspect = (antinspectstruct *) calloc(MI_NUM_SCREENS(mi),
+ sizeof (antinspectstruct))) == NULL)
+ return;
+ }
+ mp = &antinspect[MI_SCREEN(mi)];
+ mp->step = NRAND(90);
+ mp->ant_position = NRAND(90);
+ mp->trackball = gltrackball_init ();
+
+ if ((mp->glx_context = init_GL(mi)) != NULL) {
+ reshape_antinspect(mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+ glDrawBuffer(GL_BACK);
+ pinit();
+ }
+ else
+ MI_CLEARWINDOW(mi);
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+}
+
+void draw_antinspect(ModeInfo * mi) {
+ antinspectstruct *mp;
+
+ Display *display = MI_DISPLAY(mi);
+ Window window = MI_WINDOW(mi);
+
+ if(!antinspect)
+ return;
+ mp = &antinspect[MI_SCREEN(mi)];
+
+ MI_IS_DRAWN(mi) = True;
+
+ if(!mp->glx_context)
+ return;
+
+ glXMakeCurrent(display, window, *(mp->glx_context));
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glPushMatrix();
+
+ /* position camera --- this works well, we can peer inside
+ the antbubble */
+ glTranslatef(0.0, 0.0, -10.0);
+ gltrackball_rotate(mp->trackball);
+ glRotatef((15.0/2.0 + 15.0*sin(ant_step/100.0)), 1.0, 0.0, 0.0);
+ glRotatef(30.0, 1.0, 0.0, 0.0);
+ glRotatef(180.0, 0.0, 1.0, 0.0);
+
+ if (!draw_antinspect_strip(mi)) {
+ release_antinspect(mi);
+ return;
+ }
+
+ glPopMatrix();
+
+ if (MI_IS_FPS(mi)) do_fps (mi);
+ glFlush();
+
+ glXSwapBuffers(display, window);
+
+ mp->step += 0.025;
+}
+
+void change_antinspect(ModeInfo * mi) {
+ antinspectstruct *mp = &antinspect[MI_SCREEN(mi)];
+
+ if (!mp->glx_context)
+ return;
+
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(mp->glx_context));
+ pinit();
+}
+
projects / xscreensaver / blobdiff