/* -*- mode: C; tab-width: 2 -*- * blaster, Copyright (c) 1999 Jonathan H. Lin * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation. No representations are made about the suitability of this * software for any purpose. It is provided "as is" without express or * implied warranty. * * Robots that move randomly and shoot lasers at each other. If the * mothership is active, it will fly back and forth horizontally, * firing 8 lasers in the 8 cardinal directions. The explosions are * a 20 frame animation. Robots regenerate after the explosion is finished * and all of its lasers have left the screen. */ #include #include #include #include "screenhack.h" struct laser_state { int active; int start_x,start_y; int end_x, end_y; }; struct robot_state { int alive; int death; int move_style; int target; int old_x, old_y; int new_x, new_y; int radius; GC robot_color; GC laser_color; struct laser_state *lasers; }; struct mother_ship_state { int active; int death; int old_x,new_x; int y; GC ship_color; GC laser_color; struct laser_state *lasers; }; struct state { Display *dpy; Window window; GC r_color0, r_color1, r_color2, r_color3, r_color4, r_color5, l_color0, l_color1; GC s_color; GC black; int delay; int NUM_ROBOTS; int NUM_LASERS; int MOTHER_SHIP; int MOTHER_SHIP_WIDTH; int MOTHER_SHIP_HEIGHT; int MOTHER_SHIP_LASER; int MOTHER_SHIP_PERIOD; int MOTHER_SHIP_HITS; int LINE_MOVE_STYLE; int RANDOM_MOVE_STYLE; int NUM_MOVE_STYLES; int EXPLODE_SIZE_1; int EXPLODE_SIZE_2; int EXPLODE_SIZE_3; GC EXPLODE_COLOR_1; GC EXPLODE_COLOR_2; XArc *stars; int NUM_STARS; int MOVE_STARS; int MOVE_STARS_X; int MOVE_STARS_Y; int MOVE_STARS_RANDOM; struct mother_ship_state *mother; struct robot_state *robots; XWindowAttributes xgwa; int initted; int draw_x; int draw_y; int draw_z; }; /* creates a new robot. It starts out on one of the edges somewhere and has no initial velocity. A target is randomly picked. */ static void make_new_robot(struct state *st, int index) { int laser_check = 0; int x=0; for(x=0;xNUM_LASERS;x++) { if(st->robots[index].lasers[x].active) { x=st->NUM_LASERS; laser_check = 1; } } if(laser_check==0) { st->robots[index].alive=1; st->robots[index].radius = 7+(random()%7); st->robots[index].move_style = random()%st->NUM_MOVE_STYLES; if(random()%2==0) { st->robots[index].new_x=random()%(st->xgwa.width-st->robots[index].radius); st->robots[index].old_x=st->robots[index].new_x; if(random()%2==0) { st->robots[index].new_y=0; st->robots[index].old_y=0; } else { st->robots[index].new_y=st->xgwa.height-st->robots[index].radius; st->robots[index].old_y = st->robots[index].new_y; } } else { st->robots[index].new_y=random()%(st->xgwa.height-st->robots[index].radius); st->robots[index].old_y = st->robots[index].new_y; if(random()%2) { st->robots[index].new_x=0; st->robots[index].old_x=0; } else { st->robots[index].new_x=st->xgwa.width-st->robots[index].radius; st->robots[index].old_x=st->robots[index].new_x; } } x=random()%6; if(x==0) { st->robots[index].robot_color = st->r_color0; } else if(x==1) { st->robots[index].robot_color = st->r_color1; } else if(x==2) { st->robots[index].robot_color = st->r_color2; } else if(x==3) { st->robots[index].robot_color = st->r_color3; } else if(x==4) { st->robots[index].robot_color = st->r_color4; } else if(x==5) { st->robots[index].robot_color = st->r_color5; } if(random()%2==0) { st->robots[index].laser_color = st->l_color0; } else { st->robots[index].laser_color = st->l_color1; } if(st->NUM_ROBOTS>1) { st->robots[index].target = random()%st->NUM_ROBOTS; while(st->robots[index].target==index) { st->robots[index].target = random()%st->NUM_ROBOTS; } } } } /* moves each robot, randomly changing its direction and velocity. At random a laser is shot toward that robot's target. Also at random the target can change. */ static void move_robots(struct state *st) { int x=0; int y=0; int dx=0; int dy=0; int target_x = 0; int target_y = 0; double slope = 0; for(x=0;xNUM_ROBOTS;x++) { if(st->robots[x].alive) { if((st->robots[x].new_x == st->robots[x].old_x) && (st->robots[x].new_y == st->robots[x].old_y)) { if(st->robots[x].new_x==0) { st->robots[x].old_x = -((random()%3)+1); } else { st->robots[x].old_x = st->robots[x].old_x + (random()%3)+1; } if(st->robots[x].new_y==0) { st->robots[x].old_y = -((random()%3)+1); } else { st->robots[x].old_y = st->robots[x].old_y + (random()%3)+1; } } if(st->robots[x].move_style==st->LINE_MOVE_STYLE) { dx = st->robots[x].new_x - st->robots[x].old_x; dy = st->robots[x].new_y - st->robots[x].old_y; if(dx > 3) { dx = 3; } else if(dx < -3) { dx = -3; } if(dy > 3) { dy = 3; } else if(dy < -3) { dy = -3; } st->robots[x].old_x = st->robots[x].new_x; st->robots[x].old_y = st->robots[x].new_y; st->robots[x].new_x = st->robots[x].new_x + dx; st->robots[x].new_y = st->robots[x].new_y + dy; } else if(st->robots[x].move_style==st->RANDOM_MOVE_STYLE) { dx = st->robots[x].new_x - st->robots[x].old_x; dy = st->robots[x].new_y - st->robots[x].old_y; y=random()%3; if(y==0) { dx = dx - ((random()%7)+1); } else if(y==1){ dx = dx + ((random()%7)+1); } else { dx = (-1)*dx; } if(dx > 3) { dx = 3; } else if(dx < -3) { dx = -3; } y = random()%3; if(y==0) { dy = dy - ((random()%7)+1); } else if(y==1){ dy = dy + ((random()%7)+1); } else { dx = (-1)*dx; } if(dy > 3) { dy = 3; } else if(dy < -3) { dy = -3; } st->robots[x].old_x = st->robots[x].new_x; st->robots[x].old_y = st->robots[x].new_y; st->robots[x].new_x = st->robots[x].new_x + dx; st->robots[x].new_y = st->robots[x].new_y + dy; } /* bounds corrections */ if(st->robots[x].new_x >= st->xgwa.width-st->robots[x].radius) { st->robots[x].new_x = st->xgwa.width - st->robots[x].radius; } else if(st->robots[x].new_x < 0) { st->robots[x].new_x = 0; } if(st->robots[x].new_y >= st->xgwa.height-st->robots[x].radius) { st->robots[x].new_y = st->xgwa.height - st->robots[x].radius; } else if(st->robots[x].new_y < 0) { st->robots[x].new_y = 0; } if(random()%10==0) { st->robots[x].move_style = 1; } else { st->robots[x].move_style = 0; } if(st->NUM_ROBOTS>1) { if(random()%2==0) { if(random()%200==0) { st->robots[x].target = random()%st->NUM_ROBOTS; while(st->robots[x].target==x) { st->robots[x].target = random()%st->NUM_ROBOTS; } for(y=0;yNUM_LASERS;y++) { if(st->robots[x].lasers[y].active == 0) { st->robots[x].lasers[y].active = 1; if(random()%2==0) { if(random()%2==0) { st->robots[x].lasers[y].start_x = st->robots[x].new_x+st->robots[x].radius; st->robots[x].lasers[y].start_y = st->robots[x].new_y+st->robots[x].radius; st->robots[x].lasers[y].end_x = st->robots[x].lasers[y].start_x+7; st->robots[x].lasers[y].end_y = st->robots[x].lasers[y].start_y+7; } else { st->robots[x].lasers[y].start_x = st->robots[x].new_x-st->robots[x].radius; st->robots[x].lasers[y].start_y = st->robots[x].new_y+st->robots[x].radius; st->robots[x].lasers[y].end_x = st->robots[x].lasers[y].start_x-7; st->robots[x].lasers[y].end_y = st->robots[x].lasers[y].start_y+7; } } else { if(random()%2==0) { st->robots[x].lasers[y].start_x = st->robots[x].new_x-st->robots[x].radius; st->robots[x].lasers[y].start_y = st->robots[x].new_y-st->robots[x].radius; st->robots[x].lasers[y].end_x = st->robots[x].lasers[y].start_x-7; st->robots[x].lasers[y].end_y = st->robots[x].lasers[y].start_y-7; } else { st->robots[x].lasers[y].start_x = st->robots[x].new_x+st->robots[x].radius; st->robots[x].lasers[y].start_y = st->robots[x].new_y-st->robots[x].radius; st->robots[x].lasers[y].end_x = st->robots[x].lasers[y].start_x+7; st->robots[x].lasers[y].end_y = st->robots[x].lasers[y].start_y-7; } } y = st->NUM_LASERS; } } } else { for(y=0;yNUM_LASERS;y++) { if(st->robots[x].lasers[y].active==0) { target_x = st->robots[st->robots[x].target].new_x; target_y = st->robots[st->robots[x].target].new_y; if((target_x-st->robots[x].new_x)!=0) { slope = ((double)target_y-st->robots[x].new_y)/((double)(target_x-st->robots[x].new_x)); if((slope<1) && (slope>-1)) { if(target_x>st->robots[x].new_x) { st->robots[x].lasers[y].start_x = st->robots[x].radius; st->robots[x].lasers[y].end_x = st->robots[x].lasers[y].start_x + 7; } else { st->robots[x].lasers[y].start_x = -st->robots[x].radius; st->robots[x].lasers[y].end_x = st->robots[x].lasers[y].start_x - 7; } st->robots[x].lasers[y].start_y = (int)(st->robots[x].lasers[y].start_x * slope); st->robots[x].lasers[y].end_y = (int)(st->robots[x].lasers[y].end_x * slope); } else { slope = (target_x-st->robots[x].new_x)/(target_y-st->robots[x].new_y); if(target_y>st->robots[x].new_y) { st->robots[x].lasers[y].start_y = st->robots[x].radius; st->robots[x].lasers[y].end_y = st->robots[x].lasers[y].start_y + 7; } else { st->robots[x].lasers[y].start_y = -st->robots[x].radius; st->robots[x].lasers[y].end_y = st->robots[x].lasers[y].start_y - 7; } st->robots[x].lasers[y].start_x = (int)(st->robots[x].lasers[y].start_y * slope);; st->robots[x].lasers[y].end_x = (int)(st->robots[x].lasers[y].end_y * slope); } st->robots[x].lasers[y].start_x = st->robots[x].lasers[y].start_x + st->robots[x].new_x; st->robots[x].lasers[y].start_y = st->robots[x].lasers[y].start_y + st->robots[x].new_y; st->robots[x].lasers[y].end_x = st->robots[x].lasers[y].end_x + st->robots[x].new_x; st->robots[x].lasers[y].end_y = st->robots[x].lasers[y].end_y + st->robots[x].new_y; } else { if(target_y > st->robots[x].new_y) { st->robots[x].lasers[y].start_x = st->robots[x].new_x; st->robots[x].lasers[y].start_y = st->robots[x].new_y+st->robots[x].radius; st->robots[x].lasers[y].end_x = st->robots[x].new_x; st->robots[x].lasers[y].end_y = st->robots[x].lasers[y].start_y+7; } else { st->robots[x].lasers[y].start_x = st->robots[x].new_x; st->robots[x].lasers[y].start_y = st->robots[x].new_y-st->robots[x].radius; st->robots[x].lasers[y].end_x = st->robots[x].new_x; st->robots[x].lasers[y].end_y = st->robots[x].lasers[y].start_y-7; } } if((((st->robots[x].lasers[y].start_x - st->robots[x].lasers[y].end_x) > 7) || ((st->robots[x].lasers[y].end_x - st->robots[x].lasers[y].start_x) > 7)) && (((st->robots[x].lasers[y].start_y - st->robots[x].lasers[y].end_y) > 7) || ((st->robots[x].lasers[y].end_y - st->robots[x].lasers[y].start_y) > 7))) { } else { st->robots[x].lasers[y].active = 1; y = st->NUM_LASERS; } } } } } } } else { if(st->robots[x].death==0) { make_new_robot(st,x); } } } } /* This moves a single laser one frame. collisions with other robots or the mothership is checked. */ static void move_laser(struct state *st, int rindex, int index) { int x=0; int y=0; int z=0; int dx=0; int dy=0; struct laser_state *laser; if(rindex>=0) { laser = st->robots[rindex].lasers; } else { laser = st->mother->lasers; } if(laser[index].active) { /* collision with other robots are checked here */ for(x=0;xNUM_ROBOTS;x++) { if(x!=rindex) { if(st->robots[x].alive) { y = laser[index].start_x-st->robots[x].new_x; if(y<0) { y = st->robots[x].new_x-laser[index].start_x; } z = laser[index].start_y-st->robots[x].new_y; if(z<0) { z = st->robots[x].new_y-laser[index].start_y; } if((zrobots[x].radius-1)&&(yrobots[x].radius-1)) { st->robots[x].alive = 0; st->robots[x].death = 20; if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].old_x, st->robots[x].old_y, st->robots[x].radius, st->robots[x].radius, 0, 360*64); if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x, st->robots[x].new_y, st->robots[x].radius, st->robots[x].radius, 0, 360*64); laser[index].active = 0; x = st->NUM_ROBOTS; } else { y = laser[index].end_x-st->robots[x].new_x; if(y<0) { y = st->robots[x].new_x-laser[index].end_x; } z = laser[index].end_y-st->robots[x].new_y; if(z<0) { z = st->robots[x].new_y-laser[index].end_y; } if((zrobots[x].radius-1)&&(yrobots[x].radius-1)) { st->robots[x].alive = 0; st->robots[x].death = 20; if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].old_x, st->robots[x].old_y, st->robots[x].radius, st->robots[x].radius, 0, 360*64); if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x, st->robots[x].new_y, st->robots[x].radius, st->robots[x].radius, 0, 360*64); laser[index].active = 0; x = st->NUM_ROBOTS; } } } } } if((st->MOTHER_SHIP)&&(rindex!=-1)) { if(laser[index].active) { if(st->mother->active) { y = laser[index].start_x-st->mother->new_x; if(y<0) { y = st->mother->new_x-laser[index].start_x; } z = laser[index].start_y-st->mother->y; if(z<0) { z = st->mother->y-laser[index].start_y; } if((zMOTHER_SHIP_HEIGHT-1)&&(yMOTHER_SHIP_WIDTH-1)) { laser[index].active = 0; st->mother->active--; } else { y = laser[index].end_x-st->mother->new_x; if(y<0) { y = st->mother->new_x-laser[index].end_x; } z = laser[index].end_y-st->mother->y; if(z<0) { z = st->mother->y-laser[index].end_y; } if((zMOTHER_SHIP_HEIGHT-1)&&(yMOTHER_SHIP_WIDTH-1)) { laser[index].active = 0; st->mother->active--; } } if(st->mother->active==0) { st->mother->death=20; } } } } if(laser[index].active) { dx = laser[index].start_x - laser[index].end_x; dy = laser[index].start_y - laser[index].end_y; laser[index].start_x = laser[index].end_x; laser[index].start_y = laser[index].end_y; laser[index].end_x = laser[index].end_x-dx; laser[index].end_y = laser[index].end_y-dy; if((laser[index].end_x < 0) || (laser[index].end_x >= st->xgwa.width) || (laser[index].end_y < 0) || (laser[index].end_y >= st->xgwa.height)) { laser[index].active = 0; } } } } /* All the robots are drawn, including the mother ship and the explosions. After all the robots have been drawn, their laser banks are check and the active lasers are drawn. */ static void draw_robots(struct state *st) { int x=0; int y=0; for(x=0;xNUM_ROBOTS;x++) { if(st->robots[x].alive) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].old_x, st->robots[x].old_y, st->robots[x].radius, st->robots[x].radius, 0, 360*64); XFillArc(st->dpy, st->window, st->robots[x].robot_color, st->robots[x].new_x, st->robots[x].new_y, st->robots[x].radius, st->robots[x].radius, 0, 360*64); } else { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].old_x, st->robots[x].old_y, st->robots[x].radius, st->robots[x].radius, 0, 360*64); if(st->robots[x].death) { if(st->robots[x].death==20) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==18) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==17) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==15) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==14) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==13) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==12) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==11) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==10) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==9) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==8) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==7) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->robots[x].death==6) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_2, st->EXPLODE_SIZE_2, 0, 360*64); } else if(st->robots[x].death==4) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_2, st->EXPLODE_SIZE_2, 0, 360*64); } else if(st->robots[x].death==3) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_2, st->EXPLODE_SIZE_2, 0, 360*64); } else if(st->robots[x].death==2) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x+(st->robots[x].radius/3), st->robots[x].new_y+(st->robots[x].radius/3), st->EXPLODE_SIZE_2, st->EXPLODE_SIZE_2, 0, 360*64); XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->robots[x].new_x+(1.7*st->robots[x].radius/2), st->robots[x].new_y+(1.7*st->robots[x].radius/2), st->EXPLODE_SIZE_3, st->EXPLODE_SIZE_3, 0, 360*64); } else if(st->robots[x].death==1) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->robots[x].new_x+(1.7*st->robots[x].radius/2), st->robots[x].new_y+(1.7*st->robots[x].radius/2), st->EXPLODE_SIZE_3, st->EXPLODE_SIZE_3, 0, 360*64); } st->robots[x].death--; } } } for(x=0;xNUM_ROBOTS;x++) { for(y=0;yNUM_LASERS;y++) { if(st->robots[x].lasers[y].active) { if (st->black) XDrawLine(st->dpy, st->window, st->black, st->robots[x].lasers[y].start_x, st->robots[x].lasers[y].start_y, st->robots[x].lasers[y].end_x, st->robots[x].lasers[y].end_y); move_laser(st, x, y); if(st->robots[x].lasers[y].active) { XDrawLine(st->dpy, st->window, st->robots[x].laser_color, st->robots[x].lasers[y].start_x, st->robots[x].lasers[y].start_y, st->robots[x].lasers[y].end_x, st->robots[x].lasers[y].end_y); } else { if (st->black) XDrawLine(st->dpy, st->window, st->black, st->robots[x].lasers[y].start_x, st->robots[x].lasers[y].start_y, st->robots[x].lasers[y].end_x, st->robots[x].lasers[y].end_y); } } } } if(st->MOTHER_SHIP) { if(st->mother->active) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->old_x, st->mother->y, st->MOTHER_SHIP_WIDTH, st->MOTHER_SHIP_HEIGHT, 0 , 360*64); XFillArc(st->dpy, st->window, st->mother->ship_color, st->mother->new_x, st->mother->y, st->MOTHER_SHIP_WIDTH, st->MOTHER_SHIP_HEIGHT, 0 , 360*64); } else { if(st->mother->death) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->old_x, st->mother->y, st->MOTHER_SHIP_WIDTH, st->MOTHER_SHIP_HEIGHT, 0 , 360*64); if(st->mother->death==20) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==18) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==17) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==15) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==14) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==13) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==12) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==11) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==10) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==9) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==8) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==7) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_1, st->EXPLODE_SIZE_1, 0, 360*64); } else if(st->mother->death==6) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_2, st->EXPLODE_SIZE_2, 0, 360*64); } else if(st->mother->death==4) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_2, st->EXPLODE_SIZE_2, 0, 360*64); } else if(st->mother->death==3) { XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_1, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_2, st->EXPLODE_SIZE_2, 0, 360*64); } else if(st->mother->death==2) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x+1, st->mother->y+1, st->EXPLODE_SIZE_2, st->EXPLODE_SIZE_2, 0, 360*64); XFillArc(st->dpy, st->window, st->EXPLODE_COLOR_2, st->mother->new_x+(1.7*st->MOTHER_SHIP_WIDTH/2), st->mother->y+(1.7*st->MOTHER_SHIP_HEIGHT/2), st->EXPLODE_SIZE_3, st->EXPLODE_SIZE_3, 0, 360*64); } else if(st->mother->death==1) { if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x+(1.7*st->MOTHER_SHIP_WIDTH/2), st->mother->y+(1.7*st->MOTHER_SHIP_HEIGHT/2), st->EXPLODE_SIZE_3, st->EXPLODE_SIZE_3, 0, 360*64); } st->mother->death--; } } for(y=0;y<8;y++) { if(st->mother->lasers[y].active) { if (st->black) XDrawLine(st->dpy, st->window, st->black, st->mother->lasers[y].start_x, st->mother->lasers[y].start_y, st->mother->lasers[y].end_x, st->mother->lasers[y].end_y); move_laser(st, -1,y); if(st->mother->lasers[y].active) { XDrawLine(st->dpy, st->window, st->mother->laser_color, st->mother->lasers[y].start_x, st->mother->lasers[y].start_y, st->mother->lasers[y].end_x, st->mother->lasers[y].end_y); } else { if (st->black) XDrawLine(st->dpy, st->window, st->black, st->mother->lasers[y].start_x, st->mother->lasers[y].start_y, st->mother->lasers[y].end_x, st->mother->lasers[y].end_y); } } } } } static void init_stars(struct state *st) { if(st->NUM_STARS) { if (! st->stars) st->stars = (XArc *) malloc (st->NUM_STARS * sizeof(XArc)); for(st->draw_x=0;st->draw_xNUM_STARS;st->draw_x++) { st->stars[st->draw_x].x = random()%st->xgwa.width; st->stars[st->draw_x].y = random()%st->xgwa.height; st->stars[st->draw_x].width = random()%4 + 1; st->stars[st->draw_x].height = st->stars[st->draw_x].width; st->stars[st->draw_x].angle1 = 0; st->stars[st->draw_x].angle2 = 360 * 64; } } } static unsigned long blaster_draw (Display *dpy, Window window, void *closure) { struct state *st = (struct state *) closure; #ifdef HAVE_JWXYZ /* Don't second-guess Quartz's double-buffering */ XClearWindow (dpy, window); #endif if (!st->initted) { st->initted = 1; st->robots = (struct robot_state *) malloc(st->NUM_ROBOTS * sizeof (struct robot_state)); for(st->draw_x=0;st->draw_xNUM_ROBOTS;st->draw_x++) { st->robots[st->draw_x].alive = 0; st->robots[st->draw_x].death = 0; st->robots[st->draw_x].lasers = (struct laser_state *) malloc (st->NUM_LASERS * sizeof(struct laser_state)); for(st->draw_y=0;st->draw_yNUM_LASERS;st->draw_y++) { st->robots[st->draw_x].lasers[st->draw_y].active = 0; } } init_stars(st); } if(st->NUM_STARS) { if(st->MOVE_STARS) { if (st->black) XFillArcs(st->dpy,st->window,st->black,st->stars,st->NUM_STARS); if(st->MOVE_STARS_RANDOM) { st->draw_y = st->MOVE_STARS_X; st->draw_z = st->MOVE_STARS_Y; if(random()%167==0) { st->draw_y = (-1)*st->draw_y; } if(random()%173==0) { st->draw_z = (-1)*st->draw_z; } if(random()%50==0) { if(random()%2) { st->draw_y++; if(st->draw_y>st->MOVE_STARS_RANDOM) { st->draw_y = st->MOVE_STARS_RANDOM; } } else { st->draw_y--; if(st->draw_y < -(st->MOVE_STARS_RANDOM)) { st->draw_y = -(st->MOVE_STARS_RANDOM); } } } if(random()%50==0) { if(random()%2) { st->draw_z++; if(st->draw_z>st->MOVE_STARS_RANDOM) { st->draw_z = st->MOVE_STARS_RANDOM; } } else { st->draw_z--; if(st->draw_z < -st->MOVE_STARS_RANDOM) { st->draw_z = -st->MOVE_STARS_RANDOM; } } } st->MOVE_STARS_X = st->draw_y; st->MOVE_STARS_Y = st->draw_z; for(st->draw_x=0;st->draw_xNUM_STARS;st->draw_x++) { st->stars[st->draw_x].x = st->stars[st->draw_x].x + st->draw_y; st->stars[st->draw_x].y = st->stars[st->draw_x].y + st->draw_z; if(st->stars[st->draw_x].x<0) { st->stars[st->draw_x].x = st->stars[st->draw_x].x + st->xgwa.width; } else if(st->stars[st->draw_x].x>st->xgwa.width) { st->stars[st->draw_x].x = st->stars[st->draw_x].x - st->xgwa.width; } if(st->stars[st->draw_x].y<0) { st->stars[st->draw_x].y = st->stars[st->draw_x].y + st->xgwa.height; } else if(st->stars[st->draw_x].y>st->xgwa.height) { st->stars[st->draw_x].y = st->stars[st->draw_x].y - st->xgwa.height; } } } else { for(st->draw_x=0;st->draw_xNUM_STARS;st->draw_x++) { st->stars[st->draw_x].x = st->stars[st->draw_x].x + st->MOVE_STARS_X; st->stars[st->draw_x].y = st->stars[st->draw_x].y + st->MOVE_STARS_Y; if(st->stars[st->draw_x].x<0) { st->stars[st->draw_x].x = st->stars[st->draw_x].x + st->xgwa.width; } else if(st->stars[st->draw_x].x>st->xgwa.width) { st->stars[st->draw_x].x = st->stars[st->draw_x].x - st->xgwa.width; } if(st->stars[st->draw_x].y<0) { st->stars[st->draw_x].y = st->stars[st->draw_x].y + st->xgwa.height; } else if(st->stars[st->draw_x].y>st->xgwa.height) { st->stars[st->draw_x].y = st->stars[st->draw_x].y - st->xgwa.height; } } } XFillArcs(st->dpy,st->window,st->s_color,st->stars,st->NUM_STARS); } else { XFillArcs(st->dpy,st->window,st->s_color,st->stars,st->NUM_STARS); } } if(st->MOTHER_SHIP) { if(random()%st->MOTHER_SHIP_PERIOD==0) { if((st->mother->active==0)&&(st->mother->death==0)) { st->mother->active = st->MOTHER_SHIP_HITS; st->mother->y = random()%(st->xgwa.height-7); if(random()%2==0) { st->mother->old_x=0; st->mother->new_x=0; } else { st->mother->old_x=st->xgwa.width-25; st->mother->new_x=st->xgwa.width-25; } } } } move_robots(st); if(st->MOTHER_SHIP) { if(st->mother->active) { if(st->mother->old_x==st->mother->new_x) { if(st->mother->old_x==0) { st->mother->new_x=3; } else { st->mother->new_x=st->mother->new_x-3; } } else { if(st->mother->old_x>st->mother->new_x) { st->mother->old_x = st->mother->new_x; st->mother->new_x = st->mother->new_x-3; if(st->mother->new_x<0) { st->mother->active=0; if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->old_x, st->mother->y, st->MOTHER_SHIP_WIDTH, st->MOTHER_SHIP_HEIGHT, 0 , 360*64); if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x, st->mother->y, st->MOTHER_SHIP_WIDTH, st->MOTHER_SHIP_HEIGHT, 0 , 360*64); } } else { st->mother->old_x = st->mother->new_x; st->mother->new_x = st->mother->new_x+3; if(st->mother->new_x>st->xgwa.width) { st->mother->active=0; if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->old_x, st->mother->y, st->MOTHER_SHIP_WIDTH, st->MOTHER_SHIP_HEIGHT, 0 , 360*64); if (st->black) XFillArc(st->dpy, st->window, st->black, st->mother->new_x, st->mother->y, st->MOTHER_SHIP_WIDTH, st->MOTHER_SHIP_HEIGHT, 0 , 360*64); } } } st->draw_y=0; for(st->draw_x=0;st->draw_x<8;st->draw_x++) { if(st->mother->lasers[st->draw_x].active) { st->draw_y=1; st->draw_x=8; } } if(st->draw_y==0) { for(st->draw_x=0;st->draw_x<8;st->draw_x++) { st->mother->lasers[st->draw_x].active = 1; st->mother->lasers[st->draw_x].start_x=st->mother->new_x+(st->MOTHER_SHIP_WIDTH/2); st->mother->lasers[st->draw_x].start_y=st->mother->y+(st->MOTHER_SHIP_HEIGHT/2); } st->draw_y = (int)(st->MOTHER_SHIP_LASER/1.5); st->mother->lasers[0].end_x=st->mother->lasers[0].start_x-st->MOTHER_SHIP_LASER; st->mother->lasers[0].end_y=st->mother->lasers[0].start_y; st->mother->lasers[1].end_x=st->mother->lasers[1].start_x-st->draw_y; st->mother->lasers[1].end_y=st->mother->lasers[1].start_y-st->draw_y; st->mother->lasers[2].end_x=st->mother->lasers[2].start_x; st->mother->lasers[2].end_y=st->mother->lasers[2].start_y-st->MOTHER_SHIP_LASER; st->mother->lasers[3].end_x=st->mother->lasers[3].start_x+st->draw_y; st->mother->lasers[3].end_y=st->mother->lasers[3].start_y-st->draw_y; st->mother->lasers[4].end_x=st->mother->lasers[4].start_x+st->MOTHER_SHIP_LASER; st->mother->lasers[4].end_y=st->mother->lasers[4].start_y; st->mother->lasers[5].end_x=st->mother->lasers[5].start_x+st->draw_y; st->mother->lasers[5].end_y=st->mother->lasers[5].start_y+st->draw_y; st->mother->lasers[6].end_x=st->mother->lasers[6].start_x; st->mother->lasers[6].end_y=st->mother->lasers[6].start_y+st->MOTHER_SHIP_LASER; st->mother->lasers[7].end_x=st->mother->lasers[7].start_x-st->draw_y; st->mother->lasers[7].end_y=st->mother->lasers[7].start_y+st->draw_y; } } } draw_robots(st); return st->delay; } static void * blaster_init (Display *d, Window w) { struct state *st = (struct state *) calloc (1, sizeof(*st)); XGCValues gcv; Colormap cmap; unsigned long bg; st->dpy = d; st->window = w; XGetWindowAttributes(st->dpy, st->window, &st->xgwa); cmap = st->xgwa.colormap; st->NUM_ROBOTS=5; st->NUM_LASERS=3; st->MOTHER_SHIP_WIDTH=25; st->MOTHER_SHIP_HEIGHT=7; st->MOTHER_SHIP_LASER=15; st->MOTHER_SHIP_PERIOD=150; st->MOTHER_SHIP_HITS=10; st->RANDOM_MOVE_STYLE=1; st->NUM_MOVE_STYLES=2; st->EXPLODE_SIZE_1=27; st->EXPLODE_SIZE_2=19; st->EXPLODE_SIZE_3=7; st->delay = get_integer_resource(st->dpy, "delay", "Integer"); if(st->delay==0) { st->delay=10000; } st->NUM_ROBOTS = get_integer_resource(st->dpy, "num_robots","Integer"); if(st->NUM_ROBOTS==0) { st->NUM_ROBOTS=5; } st->NUM_LASERS = get_integer_resource(st->dpy, "num_lasers","Integer"); st->EXPLODE_SIZE_1 = get_integer_resource(st->dpy, "explode_size_1","Integer"); st->EXPLODE_SIZE_2 = get_integer_resource(st->dpy, "explode_size_2","Integer"); st->EXPLODE_SIZE_3 = get_integer_resource(st->dpy, "explode_size_3","Integer"); st->NUM_STARS = get_integer_resource(st->dpy, "num_stars","Integer"); if(get_boolean_resource(st->dpy, "move_stars","Boolean")) { st->MOVE_STARS = 1; st->MOVE_STARS_X = get_integer_resource(st->dpy, "move_stars_x","Integer"); st->MOVE_STARS_Y = get_integer_resource(st->dpy, "move_stars_y","Integer"); st->MOVE_STARS_RANDOM = get_integer_resource(st->dpy, "move_stars_random","Integer"); } else { st->MOVE_STARS = 0; } bg = get_pixel_resource(st->dpy, cmap, "background","Background"); gcv.function = GXcopy; #define make_gc(color,name) \ gcv.foreground = get_pixel_resource (st->dpy, cmap, (name), "Foreground"); \ color = XCreateGC (st->dpy, st->window, GCForeground|GCFunction, &gcv) if(mono_p) { gcv.foreground = bg; st->black = XCreateGC(st->dpy, st->window, GCForeground|GCFunction, &gcv); gcv.foreground = get_pixel_resource(st->dpy, cmap, "foreground", "Foreground"); st->r_color0 = st->r_color1 = st->r_color2 = st->r_color3 = st->r_color4 = st->r_color5 = st->l_color0 = st->l_color1 = st->s_color= XCreateGC(st->dpy, st->window, GCForeground|GCFunction, &gcv); if(get_boolean_resource(st->dpy, "mother_ship","Boolean")) { st->MOTHER_SHIP_WIDTH=get_integer_resource(st->dpy, "mother_ship_width","Integer"); st->MOTHER_SHIP_HEIGHT=get_integer_resource(st->dpy, "mother_ship_height","Integer"); st->MOTHER_SHIP_LASER=get_integer_resource(st->dpy, "mother_ship_laser","Integer"); st->MOTHER_SHIP_PERIOD=get_integer_resource(st->dpy, "mother_ship_period","Integer"); st->MOTHER_SHIP_HITS=get_integer_resource(st->dpy, "mother_ship_hits","Integer"); st->MOTHER_SHIP=1; st->mother = (struct mother_ship_state *) malloc(sizeof(struct mother_ship_state)); st->mother->lasers = (struct laser_state *) malloc(8*sizeof(struct laser_state)); st->mother->active = 0; st->mother->death = 0; st->mother->ship_color = st->r_color0; st->mother->laser_color = st->r_color0; } } else { if(get_boolean_resource(st->dpy, "mother_ship","Boolean")) { st->MOTHER_SHIP_WIDTH=get_integer_resource(st->dpy, "mother_ship_width","Integer"); st->MOTHER_SHIP_HEIGHT=get_integer_resource(st->dpy, "mother_ship_height","Integer"); st->MOTHER_SHIP_LASER=get_integer_resource(st->dpy, "mother_ship_laser","Integer"); st->MOTHER_SHIP_PERIOD=get_integer_resource(st->dpy, "mother_ship_period","Integer"); st->MOTHER_SHIP_HITS=get_integer_resource(st->dpy, "mother_ship_hits","Integer"); st->MOTHER_SHIP=1; st->mother = (struct mother_ship_state *) malloc(sizeof(struct mother_ship_state)); st->mother->lasers = (struct laser_state *) malloc(8*sizeof(struct laser_state)); st->mother->active = 0; st->mother->death = 0; make_gc(st->mother->ship_color,"mother_ship_color0"); make_gc(st->mother->laser_color,"mother_ship_color1"); } make_gc (st->s_color,"star_color"); make_gc (st->EXPLODE_COLOR_1,"explode_color_1"); make_gc (st->EXPLODE_COLOR_2,"explode_color_2"); make_gc (st->r_color0,"r_color0"); make_gc (st->r_color1,"r_color1"); make_gc (st->r_color2,"r_color2"); make_gc (st->r_color3,"r_color3"); make_gc (st->r_color4,"r_color4"); make_gc (st->r_color5,"r_color5"); make_gc (st->l_color0,"l_color0"); make_gc (st->l_color1,"l_color1"); #ifdef HAVE_JWXYZ /* Don't second-guess Quartz's double-buffering */ st->black = 0; #else make_gc (st->black,"background"); #endif } return st; } static void blaster_reshape (Display *dpy, Window window, void *closure, unsigned int w, unsigned int h) { struct state *st = (struct state *) closure; XGetWindowAttributes (dpy, window, &st->xgwa); XClearWindow (dpy, window); init_stars (st); } static Bool blaster_event (Display *dpy, Window window, void *closure, XEvent *event) { return False; } static void blaster_free (Display *dpy, Window window, void *closure) { struct state *st = (struct state *) closure; int i; if (st->r_color0) XFreeGC (dpy, st->r_color0); if (st->r_color1) XFreeGC (dpy, st->r_color1); if (st->r_color2) XFreeGC (dpy, st->r_color2); if (st->r_color3) XFreeGC (dpy, st->r_color3); if (st->r_color4) XFreeGC (dpy, st->r_color4); if (st->r_color5) XFreeGC (dpy, st->r_color5); if (st->l_color0) XFreeGC (dpy, st->l_color0); if (st->l_color1) XFreeGC (dpy, st->l_color1); if (st->s_color) XFreeGC (dpy, st->s_color); if (st->black) XFreeGC (dpy, st->black); if (st->EXPLODE_COLOR_1) XFreeGC (dpy, st->EXPLODE_COLOR_1); if (st->EXPLODE_COLOR_2) XFreeGC (dpy, st->EXPLODE_COLOR_2); if (st->stars) free (st->stars); if (st->mother) { free (st->mother->lasers); free (st->mother); } for (i = 0; i < st->NUM_ROBOTS; i++) free (st->robots[i].lasers); free (st->robots); free (st); } static const char *blaster_defaults [] = { ".lowrez: true", ".background: black", ".foreground: white", "*fpsSolid: true", "*r_color0: #FF00FF", "*r_color1: #FFA500", "*r_color2: #FFFF00", "*r_color3: #FFFFFF", "*r_color4: #0000FF", "*r_color5: #00FFFF", "*l_color0: #00FF00", "*l_color1: #FF0000", "*mother_ship_color0: #00008B", "*mother_ship_color1: #FFFFFF", "*explode_color_1: #FFFF00", "*explode_color_2: #FFA500", "*delay: 10000", "*num_robots: 5", "*num_lasers: 3", "*mother_ship: false", "*mother_ship_width: 25", "*mother_ship_height: 7", "*mother_ship_laser: 15", "*mother_ship_period: 150", "*mother_ship_hits: 10", "*explode_size_1: 27", "*explode_size_2: 19", "*explode_size_3: 7", "*num_stars: 50", "*star_color: white", "*move_stars: true", "*move_stars_x: 2", "*move_stars_y: 1", "*move_stars_random: 0", #ifdef HAVE_MOBILE "*ignoreRotation: True", #endif 0 }; static XrmOptionDescRec blaster_options [] = { /* These are the 6 robot colors */ { "-r_color0", ".r_color0", XrmoptionSepArg, 0 }, { "-r_color1", ".r_color1", XrmoptionSepArg, 0 }, { "-r_color2", ".r_color2", XrmoptionSepArg, 0 }, { "-r_color3", ".r_color3", XrmoptionSepArg, 0 }, { "-r_color4", ".r_color4", XrmoptionSepArg, 0 }, { "-r_color5", ".r_color5", XrmoptionSepArg, 0 }, /* These are the 2 laser colors that robots have */ { "-l_color0", ".l_color0", XrmoptionSepArg, 0 }, { "-l_color1", ".l_color1", XrmoptionSepArg, 0 }, /* These are the colors for the mothership and the mothership lasers */ { "-mother_ship_color0", ".mother_ship_color0", XrmoptionSepArg, 0}, { "-mother_ship_color1", ".mother_ship_color1", XrmoptionSepArg, 0}, /* These are the two colors of the animated explosion */ { "-explode_color_1", ".explode_color_1", XrmoptionSepArg, 0 }, { "-explode_color_2", ".explode_color_2", XrmoptionSepArg, 0 }, /* This is the delay in the main loop */ { "-delay", ".delay", XrmoptionSepArg, 0 }, /* The number of robots and the number of lasers each robot has */ { "-num_robots", ".num_robots", XrmoptionSepArg, 0}, { "-num_lasers", ".num_lasers", XrmoptionSepArg, 0}, /* If this is set, a mothership will appear, otherwise no mothership */ { "-mother_ship", ".mother_ship", XrmoptionNoArg, "true"}, { "-no_mother_ship", ".mother_ship", XrmoptionNoArg, "false"}, /* This is the width, height, and laser length of the mothership */ { "-mother_ship_width", ".mother_ship_width", XrmoptionSepArg, 0}, { "-mother_ship_height", ".mother_ship_height", XrmoptionSepArg, 0}, { "-mother_ship_laser", ".mother_ship_laser", XrmoptionSepArg, 0}, /* This is the period which the mothership comes out, higher period==less often */ { "-mother_ship_period", ".mother_ship_period", XrmoptionSepArg, 0}, /* This is the number of hits it takes to destroy the mothership */ { "-mother_ship_hits", ".mother_ship_hits", XrmoptionSepArg, 0}, /* These are the size of the radius of the animated explosions */ { "-explode_size_1", ".explode_size_1", XrmoptionSepArg, 0}, { "-explode_size_2", ".explode_size_2", XrmoptionSepArg, 0}, { "-explode_size_3", ".explode_size_3", XrmoptionSepArg, 0}, /* This sets the number of stars in the star field, if this is set to 0, there will be no stars */ { "-num_stars", ".num_stars", XrmoptionSepArg, 0}, /* This is the color of the stars */ { "-star_color", ".star_color", XrmoptionSepArg, 0}, /* If this is true, the stars will move */ { "-move_stars", ".move_stars", XrmoptionNoArg, "true"}, /* This is the amount the stars will move in the x and y direction */ { "-move_stars_x", ".move_stars_x", XrmoptionSepArg, 0}, { "-move_stars_y", ".move_stars_y", XrmoptionSepArg, 0}, /* If this is non-zero, the stars will move randomly, but will not move more than this number in either the x or y direction */ { "-move_stars_random", ".move_stars_random", XrmoptionSepArg, 0}, { 0, 0, 0, 0 } }; XSCREENSAVER_MODULE ("Blaster", blaster)