From a859191288d7de81b52434cfa3cebcfd2aadab2b Mon Sep 17 00:00:00 2001
From: nathan <nathan@disroot.org>
Date: Tue, 8 Jul 2025 22:51:18 -0600
Subject: Slight changes

---
 src/world.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

(limited to 'src/world.c')

diff --git a/src/world.c b/src/world.c
index c633e44..26ee3b9 100644
--- a/src/world.c
+++ b/src/world.c
@@ -21,7 +21,7 @@ void buildWorldBVH(World* world)
     for (int leafIndex = 0; leafIndex < BVH_MAX; ++leafIndex)
     {
       int closest = -1;
-      float closestDistance = world->size.x * world->size.z * 2.0;
+      float closestDistance = world->size.x;
 
       // Find closest.
       for (int index = 0; index < WORLD_ENTITY_MAX; ++index)
@@ -131,7 +131,6 @@ void buildWorldBVH(World* world)
 
     world->bvhTest[world->bvhTestSize] = leaf;
     ++world->bvhTestSize;
-    printf("size: %d\n", world->bvhTestSize);
   }
 
   // test
@@ -174,12 +173,14 @@ World createWorld(int seed)
     Entity entity = createEntity(seed % ENTITY_COUNT, Vector3Zero());
     entity.position.x = FT_RANDOM16(seed) % (int)world.size.x;
     entity.position.z = FT_RANDOM16(seed) % (int)world.size.z;
-    entity.position.y = getWorldHeightAtLocation(world, entity.position.x,
+    entity.position.y = getWorldHeightAtLocation(&world, entity.position.x,
                                                  entity.position.z) + 1.0;
     world.entities[index] = entity;
   }
 
+  double currentTime = GetTime();
   buildWorldBVH(&world);
+  printf("%lf\n", GetTime() - currentTime);
 
   return world;
 }
@@ -207,15 +208,15 @@ void freeWorld(World world)
   UnloadModel(world.heightmap);
 }
 
-float getWorldHeightAtLocation(World world, float x, float y)
+float getWorldHeightAtLocation(const World* world, float x, float y)
 {
-  float toMapX = (float)world.texture.width / world.size.x;
-  float toMapY = (float)world.texture.height / world.size.z;
+  float toMapX = (float)world->texture.width / world->size.x;
+  float toMapY = (float)world->texture.height / world->size.z;
   int pixelX = x * toMapX;
   int pixelY = y * toMapY;
 
-  int verticeStart = (pixelY * (world.texture.width - 1) + pixelX) * 18;
-  float* vertices = &world.heightmap.meshes[0].vertices[verticeStart];
+  int verticeStart = (pixelY * (world->texture.width - 1) + pixelX) * 18;
+  float* vertices = &world->heightmap.meshes[0].vertices[verticeStart];
 
   // Clamp x and y to prevent ray being out of bounds.
   Vector2 min = (Vector2){vertices[0], vertices[2]};
@@ -232,7 +233,7 @@ float getWorldHeightAtLocation(World world, float x, float y)
   Ray ray = (Ray){
     .position = (Vector3){
       Clamp(x, min.x, max.x),
-      FLT_MAX_EXP,
+      world->size.y + 10.0,
       Clamp(y, min.y, max.y)},
     .direction = (Vector3){0.0, -1.0, 0.0}
   };
-- 
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