#define EVENT_MASK PointerMotionMask
#define antspotlight_opts xlockmore_opts
#define DEFAULTS "*delay: 20000 \n" \
- "*showFPS: False \n"
+ "*showFPS: False \n" \
+ "*useSHM: True \n"
#include "xlockmore.h"
#else
#define Pi M_PI
#endif
-int winw, winh;
-int tw, th; /* texture width, height */
-int tx, ty;
GLfloat max_tx, max_ty;
-#define QW 12
-#define QH 12
-GLfloat qw = QW, qh = QH; /* for the quad we'll draw */
-GLfloat qx = -6 , qy = 6;
int mono = 0, wire = 0, ticks = 0;
GLuint screentexture;
typedef struct {
- GLint WindH, WindW;
GLXContext *glx_context;
rotator *rot;
trackball_state *trackball;
/* draw method for ant */
Bool draw_ant(GLfloat *Material, int mono, int shadow,
- float ant_step, Bool (*sphere)(float), Bool (*cone)(float)) {
+ float ant_step, Bool (*sphere)(float), Bool (*cone)(float))
+{
float cos1 = cos(ant_step);
float cos2 = cos(ant_step + 2 * Pi / 3);
}
/* filled sphere */
-static Bool mySphere(float radius) {
+static Bool mySphere(float radius)
+{
GLUquadricObj *quadObj;
if((quadObj = gluNewQuadric()) == 0)
}
/* silhouette sphere */
-static Bool mySphere2(float radius) {
+static Bool mySphere2(float radius)
+{
GLUquadricObj *quadObj;
if((quadObj = gluNewQuadric()) == 0)
GLfloat spot_direction[3];
-void draw_board(void) {
+void draw_board(void)
+{
int i, j;
double cutoff = Pi/3.0;
double center[3];
glBegin(GL_TRIANGLE_STRIP);
glNormal3f(0.0, 1.0, 0.0);
+
glTexCoord2f(centertex[0], centertex[1]);
glVertex3f(center[0], 0.01, center[2]);
point[2] = center[2] - fj*sin(theta1);
tex[0] = (boardsize/2.0+point[0]) * max_tx / boardsize;
- tex[1] = max_ty - ((boardsize/2.0+point[2]) * max_ty / boardsize);
+ tex[1] = (boardsize/2.0+point[2]) * max_ty / boardsize;
glTexCoord2f(tex[0], tex[1]);
glVertex3f(point[0], point[1], point[2]);
point[2] = center[2] - fj*sin(theta2);
tex[0] = (boardsize/2.0+point[0]) * max_tx / boardsize;
- tex[1] = max_ty - ((boardsize/2.0+point[2]) * max_ty / boardsize);
+ tex[1] = (boardsize/2.0+point[2]) * max_ty / boardsize;
glTexCoord2f(tex[0], tex[1]);
glVertex3f(point[0], point[1], point[2]);
}
/* return euclidean distance between two points */
-double distance(double x[3], double y[3]) {
+double distance(double x[3], double y[3])
+{
double dx = x[0] - y[0];
double dz = x[2] - y[2];
return sqrt(dx*dx + dz*dz);
}
/* determine a new goal */
-void find_goal(void) {
+void find_goal(void)
+{
do {
ant->goal[0] = random()%((int)(boardsize+0.5)-2) - boardsize/2.0 + 1.0;
ant->goal[1] = 0.0;
}
/* construct our ant */
-void build_ant(void) {
+void build_ant(void)
+{
ant = (Ant *) malloc(sizeof (Ant));
ant->position[0] = 0.0;
ant->position[1] = 0.0;
#define EPSILON 0.01
-double sign(double d) {
+double sign(double d)
+{
return d < 0.0 ? -1.0 : 1.0;
}
-double min(double a, double b) {
+double min(double a, double b)
+{
return a < b ? a : b;
}
-double max(double a, double b) {
+double max(double a, double b)
+{
return a > b ? a : b;
}
/* find a new goal and reset steps */
-void reset_ant(void) {
+void reset_ant(void)
+{
find_goal();
}
/* draw ant composed of skeleton and glass */
-void show_ant(void) {
+void show_ant(void)
+{
glPushMatrix();
glPopMatrix();
}
-void draw_antspotlight_strip(ModeInfo *mi) {
+void draw_antspotlight_strip(ModeInfo *mi)
+{
/* compute spotlight position and direction */
GLfloat light1_position[4];
ant->step -= 2*Pi;
}
-void reshape_antspotlight(ModeInfo * mi, int width, int height) {
+void reshape_antspotlight(ModeInfo * mi, int width, int height)
+{
double h = (GLfloat) height / (GLfloat) width;
int size = 2;
- antspotlightstruct *mp = &antspotlight[MI_SCREEN(mi)];
-
- glViewport(0, 0, mp->WindW = (GLint) width, mp->WindH = (GLint) height);
+ glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
GLfloat spotlight_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
GLfloat spotlight_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
-static void pinit(void) {
+static void pinit(void)
+{
glClearDepth(1.0);
glClearColor(0.0, 0.0, 0.0, 1.0);
}
/* cleanup routine */
-void release_antspotlight(ModeInfo * mi) {
+void release_antspotlight(ModeInfo * mi)
+{
if(antspotlight) {
free((void *) antspotlight);
#define min(a, b) a < b ? a : b
/* event handling */
-Bool antspotlight_handle_event(ModeInfo *mi, XEvent *event) {
+Bool antspotlight_handle_event(ModeInfo *mi, XEvent *event)
+{
antspotlightstruct *mp = &antspotlight[MI_SCREEN(mi)];
switch(event->xany.type) {
}
/* get screenshot */
-void get_snapshot(ModeInfo *modeinfo) {
- XImage *ximage;
- int status;
+void get_snapshot(ModeInfo *modeinfo)
+{
+ Bool mipmap_p = True;
+ int iw, ih, tw, th;
- if(MI_IS_WIREFRAME(modeinfo))
+ if (MI_IS_WIREFRAME(modeinfo))
return;
- ximage = screen_to_ximage(modeinfo->xgwa.screen, modeinfo->window, NULL);
-
- qw = QW; qh = QH;
- tw = modeinfo->xgwa.width;
- th = modeinfo->xgwa.height;
-
-#if 0 /* jwz: this makes the image start off the bottom right of the screen */
- qx += (qw*tw/winw);
- qy -= (qh*th/winh);
-#endif
-
- qw *= (GLfloat)tw/winw;
- qh *= (GLfloat)th/winh;
+ if (! screen_to_texture (modeinfo->xgwa.screen, modeinfo->window, 0, 0,
+ mipmap_p, NULL, NULL, &iw, &ih, &tw, &th))
+ exit (1);
- max_tx = (GLfloat) tw / (GLfloat) ximage->width;
- max_ty = (GLfloat) th / (GLfloat) ximage->height;
+ max_tx = (GLfloat) iw / tw;
+ max_ty = (GLfloat) ih / th;
- glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
- GL_LINEAR_MIPMAP_LINEAR);
-
- clear_gl_error();
- status = gluBuild2DMipmaps(GL_TEXTURE_2D, 3,
- ximage->width, ximage->height,
- GL_RGBA, GL_UNSIGNED_BYTE, ximage->data);
-
- if (!status && glGetError())
- /* Some implementations of gluBuild2DMipmaps(), but set a GL error anyway.
- We could just call check_gl_error(), but that would exit. */
- status = -1;
-
- if(status) {
- const unsigned char *s = gluErrorString(status);
- fprintf(stderr, "%s: error mipmapping %dx%d texture: %s\n",
- progname, ximage->width, ximage->height,
- (s ? s : (unsigned char *) "(unknown)"));
- fprintf(stderr, "%s: turning on -wireframe.\n", progname);
- MI_IS_WIREFRAME(modeinfo) = 1;
- clear_gl_error();
- }
- check_gl_error("mipmapping"); /* should get a return code instead of a
- GL error, but just in case... */
-
- free(ximage->data);
- ximage->data = 0;
- XDestroyImage (ximage);
+ glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+ (mipmap_p ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR));
}
-void init_antspotlight(ModeInfo *mi) {
+void init_antspotlight(ModeInfo *mi)
+{
double rot_speed = 0.3;
antspotlightstruct *mp;
/* glEndList(); */
}
-void draw_antspotlight(ModeInfo * mi) {
+void draw_antspotlight(ModeInfo * mi)
+{
antspotlightstruct *mp;
Display *display = MI_DISPLAY(mi);
glXSwapBuffers(display, window);
}
-void change_antspotlight(ModeInfo * mi) {
+void change_antspotlight(ModeInfo * mi)
+{
antspotlightstruct *mp = &antspotlight[MI_SCREEN(mi)];
if (!mp->glx_context)
projects / xscreensaver / blobdiff