new ver

demos/02-ddraw.c

@@ -1,4 +1,4 @@
-// ddraw demo: fps camera, renderdd, collide, math, ui, fx
+// ddraw demo: fps camera, renderdd, collide, math, ui, fx, boids
 // - rlyeh, public domain.
 //
 // Compile with:
@@ -8,8 +8,9 @@
 #include "v4k.h"
 
 int main() {
+    bool do_boids_demo = 1;
     bool do_colliders_demo = 1;
-    bool do_debugdraw_demo = 0;
+    bool do_debugdraw_demo = 1;
 
     // 75% size, MSAAx2
     window_create(75.0, WINDOW_MSAA2);
@@ -60,7 +61,7 @@ int main() {
 
             // boids
             static swarm_t sw;
-            profile("boids") {
+            if( do_boids_demo ) profile("boids") {
                 do_once sw = swarm();
                 do_once array_push(sw.steering_targets, vec3(0,0,0));
                 do_once for(int i = 0; i < 100; ++i)
@@ -91,6 +92,7 @@ int main() {
 
         // ui
         if( ui_panel("App", 0) ) {
+            ui_bool("Boids demo", &do_boids_demo);
             ui_bool("Collide demo", &do_colliders_demo);
             ui_bool("DebugDraw demo", &do_debugdraw_demo);
             ui_panel_end();

demos/04-actor.c

@@ -91,7 +91,7 @@ int main() {
                     array_pop_front(points);
                 }
                 else {
-                    if( dist < 10 && abs(angle) > 10 ) {
+                    if( dist < 10 && fabsf(angle) > 10 ) {
                         // spin only
                         p->brain[ angle < 0 ? 2 : 3 ] = 1;
                     }

engine/v4k.html

@@ -596,7 +596,7 @@ details > summary::-webkit-details-marker {
 |Version:       | 2023.7      |
 |:--------------|:------------|
 |Branch:        | main           |
-|Commit:        | 36               |
+|Commit:        | 45               |
 <!--| Documentation last modified | { {LAST_MODIFIED} } |-->
 
 # [V·4·K 2023.7     ](https://dev.v4.games/zaklaus/v4k)