/apps/demos/scenery: narrower cull, new assets used

apps/demos/scenery/scenes/ingame.c

@@ -175,7 +175,7 @@ static uint32_t adler32(const void *buf, size_t buflength) {
 static void draw_terrain(SceneIngame *scn) {
     /* used to cull invisible tiles over field of view (to horizon) */
     Vec2 const d = vec2_norm((Vec2){ .x = scn->looking_direction.x, .y = scn->looking_direction.z });
-    float const c = cosf((float)M_PI_2 * 0.8f);
+    float const c = cosf((float)M_PI_2 * 0.8f * 0.8f);
 
     /* draw terrain in circle */
     int32_t const rsi = (int32_t)TERRAIN_RADIUS * (int32_t)TERRAIN_RADIUS;
@@ -197,7 +197,7 @@ static void draw_terrain(SceneIngame *scn) {
             float d2 = heightmap[lx + 1][ly - 1];
             float d3 = heightmap[lx][ly - 1];
 
-            draw_quad("/assets/grass.png",
+            draw_quad("/assets/grass2.png",
                             (Vec3){ (float)x,     d0, (float)y },
                             (Vec3){ (float)x + 1, d1, (float)y },
                             (Vec3){ (float)x + 1, d2, (float)y - 1 },
@@ -207,7 +207,7 @@ static void draw_terrain(SceneIngame *scn) {
 
             if (((float)(adler32(&((Vec2){x, y}), sizeof (Vec2)) % 100) / 100) <= TREE_DENSITY)
                 draw_billboard("/assets/trreez.png",
-                              (Vec3){ (float)x, d0 + 2.f, (float)y },
+                              (Vec3){ (float)x, d0 + 1.95f, (float)y },
                               (Vec2){2.f, 2.f},
                               (Rect){0},
                               (Color){255, 255, 255, 255}, true);
@@ -224,11 +224,15 @@ static void draw_terrain(SceneIngame *scn) {
             float x = (float)(floorf(scn->pos.x - HALF_TERRAIN_DISTANCE + (float)lx));
             float y = (float)(floorf(scn->pos.z - HALF_TERRAIN_DISTANCE + (float)ly));
 
-            float d0 = heightmap[lx][ly];
+            float d = heightmap[lx][ly];
 
-            draw_billboard("/assets/grasses/10.png",
+            draw_billboard("/assets/grasses/25.png",
-                          (Vec3){ (float)x, d0 + 0.15f, (float)y },
+                          (Vec3){
-                          (Vec2){0.3f, 0.3f},
+                              (float)x + (float)((adler32(&((Vec2){x, y}), sizeof (Vec2))) % 32) / 64.0f,
+                              d + 0.2f,
+                              (float)y + (float)((adler32(&((Vec2){y, x}), sizeof (Vec2))) % 32) / 64.0f
+                          },
+                          (Vec2){0.4f, 0.4f},
                           (Rect){0},
                           (Color){255, 255, 255, 255}, true);
         }
@@ -298,7 +302,7 @@ Scene *ingame_scene(State *state) {
 
     new_scene->mouse_captured = true;
 
-    m_audio(m_set(path, "music/mod65.xm"),
+    m_audio(m_set(path, "music/woah.ogg"),
             m_opt(channel, "soundtrack"),
             m_opt(repeat, true));