missile rapidity and particle settings

rogueviz/ads/ads-game.cpp

@@ -125,10 +125,26 @@ auto shot_hooks =
     -> editable(0, 5, 0.05, "rock density", "how many rocks to generate", 'd');
     param_f(rock_max_rapidity, "ads_rock_rapidity")
     -> editable(0, 5, 0.05, "rock rapidity", "how fast should the rocks be relative to the map", 'w');
+    param_f(missile_rapidity, "ads_missile_rapidity")
+    -> editable(0, 5, 0.05, "missile rapidity", "how fast should the missiles go relative to the ship", 'm');
     param_b(auto_rotate, "ads_auto_rotate")
     -> editable("automatically rotate the screen", 'r');
     param_b(view_proper_times, "ads_display")
     -> editable("display the proper times", 't');
+
+    param_f(crash_particle_rapidity, "ads_crash_rapidity")
+    -> editable(0, 5, 0.1, "crash particle rapidity", "how fast should the crash particles be", 'r');
+    param_f(crash_particle_qty, "ads_crash_qty")
+    -> editable(0, 5, 0.1, "crash particle quantity", "how many crash particles", 'q');
+    param_f(crash_particle_life, "ads_crash_life")
+    -> editable(0, 5, 0.1, "crash particle lifetime", "how long should the crash particles live", 'l');
+    param_f(fuel_particle_rapidity, "ads_fuel_rapidity")
+    -> editable(0, 5, 0.1, "fuel particle rapidity", "how fast should the fuel particles be", 'R');
+    param_f(fuel_particle_qty, "ads_fuel_qty")
+    -> editable(0, 5, 0.1, "fuel particle quantity", "how many fuel particles", 'Q');
+    param_f(fuel_particle_life, "ads_fuel_life")
+    -> editable(0, 5, 0.1, "fuel particle lifetime", "how long should the fuel particles live", 'L');
+
     rsrc_config();
     });
 

rogueviz/ads/control.cpp

@@ -13,7 +13,7 @@ void fire() {
 
   ads_matrix S0 = ads_inverse(current * vctrV) * spin(ang*degree);
 
-  ads_matrix S1 = S0 * lorentz(0, 2, 3); // 0.995c
+  ads_matrix S1 = S0 * lorentz(0, 2, missile_rapidity);
   
   auto& ro = ci_at[c].rocks;
   auto r = std::make_unique<ads_object> (oMissile, c, S1, 0xC0C0FFFF);
@@ -173,7 +173,7 @@ bool ads_turn(int idelta) {
     if(!paused) {
       pdata.fuel -= delta*accel*mul;
       cell *c = hybrid::get_where(vctr).first;
-      gen_particles(rpoisson(delta*accel*mul*20), c, ads_inverse(current * vctrV) * spin(ang*degree+M_PI) * rots::uxpush(0.06), rsrc_color[rtFuel], 0.15, 0.02);
+      gen_particles(rpoisson(delta*accel*mul*fuel_particle_qty), c, ads_inverse(current * vctrV) * spin(ang*degree+M_PI) * rots::uxpush(0.06), rsrc_color[rtFuel], fuel_particle_rapidity, fuel_particle_life, 0.02);
       }
 
     ld tc = 0;

rogueviz/ads/globals.cpp

@@ -86,6 +86,16 @@ bool auto_angle = true;
 ld rock_density = 0.25;
 ld rock_max_rapidity = 1.5;
 
+ld missile_rapidity = 3; // speed is tanh(3) = about 0.95c
+
+ld crash_particle_rapidity = 1;
+ld crash_particle_qty = 8;
+ld crash_particle_life = .5;
+
+ld fuel_particle_rapidity = 1;
+ld fuel_particle_qty = 20;
+ld fuel_particle_life = .15;
+
 cell *starting_point;
 
 }}

rogueviz/ads/map.cpp

@@ -181,10 +181,10 @@ void gen_rocks(cell *c, cellinfo& ci, int radius) {
   ci.rock_dist = radius;
   }
 
-void gen_particles(int qty, cell *c, shiftmatrix from, color_t col, ld t, ld spread = 1) {
+void gen_particles(int qty, cell *c, shiftmatrix from, color_t col, ld spd, ld t, ld spread = 1) {
   auto& ro = ci_at[c].rocks;
   for(int i=0; i<qty; i++) {
-    auto r = std::make_unique<ads_object>(oParticle, c, from * spin(randd() * TAU * spread) * lorentz(0, 2, 1 + randd()), col );
+    auto r = std::make_unique<ads_object>(oParticle, c, from * spin(randd() * TAU * spread) * lorentz(0, 2, (.5 + randd() * .5) * spd), col );
     r->shape = &shape_particle;
     r->life_end = randd() * t;
     r->life_start = 0;
@@ -222,7 +222,7 @@ void crash_ship() {
   if(pdata.hitpoints <= 0) game_over = true;
   hybrid::in_actual([&] {
     cell *c = hybrid::get_where(vctr).first;
-    gen_particles(16, c, ads_inverse(current * vctrV) * spin(ang*degree), rsrc_color[rtHull], 0.5);
+    gen_particles(rpoisson(crash_particle_qty * 2), c, ads_inverse(current * vctrV) * spin(ang*degree), rsrc_color[rtHull], crash_particle_rapidity, crash_particle_life);
     });
   }
 
@@ -247,8 +247,8 @@ void handle_crashes() {
           m->life_end = m->pt_main.shift;
           r->life_end = r->pt_main.shift;
           hybrid::in_actual([&] {
-            gen_particles(8, m->owner, m->at * ads_matrix(Id, m->life_end), missile_color, 0.1);
+            gen_particles(rpoisson(crash_particle_qty), m->owner, m->at * ads_matrix(Id, m->life_end), missile_color, crash_particle_rapidity, crash_particle_life);
-            gen_particles(8, r->owner, r->at * ads_matrix(Id, r->life_end), r->col, 0.5);
+            gen_particles(rpoisson(crash_particle_qty), r->owner, r->at * ads_matrix(Id, r->life_end), r->col, crash_particle_rapidity, crash_particle_life);
             gen_resource(r->owner, r->at * ads_matrix(Id, r->life_end), r->resource);
             });
           }

rogueviz/ads/menu.cpp

@@ -21,6 +21,24 @@ void edit_difficulty() {
   dialog::display();
   }
 
+void edit_particles() {
+  cmode = sm::SIDE | sm::MAYDARK;
+  gamescreen();
+
+  dialog::init(XLAT("AdS particle settings"), 0xC0C0FFFF, 150, 100);
+
+  add_edit(crash_particle_rapidity);
+  add_edit(crash_particle_qty);
+  add_edit(crash_particle_life);
+  add_edit(fuel_particle_rapidity);
+  add_edit(fuel_particle_qty);
+  add_edit(fuel_particle_life);
+
+  dialog::addBreak(100);
+  dialog::addBack();
+  dialog::display();
+  }
+
 void game_menu() {
   cmode = sm::SIDE | sm::MAYDARK;
   gamescreen();
@@ -36,6 +54,9 @@ void game_menu() {
   add_edit(auto_rotate);
   add_edit(auto_angle);
 
+  dialog::addItem(XLAT("particle settings"), 'p');
+  dialog::add_action_push(edit_particles);
+
   dialog::addItem(XLAT("restart game"), 'r');
   dialog::add_action([] { ads_game::restart(); popScreen(); });