From 552cafb2bab911d65b4c7341be3cdc317b4a9993 Mon Sep 17 00:00:00 2001
From: Sky Johnson <skylearj@gmail.com>
Date: Tue, 9 Sep 2025 20:59:04 -0500
Subject: [PATCH] 1 unit is 1 meter, update black texture

---
 assets/textures/black.png | Bin 2743 -> 637 bytes
 client/main.cpp           |  18 ++++++++++++++----
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/assets/textures/black.png b/assets/textures/black.png
index adf5e6fc67d0660e30eb7b5ba22bf238ba8fd74f..a5a9f24b9455c3bd18835a0278c35963e7c28b72 100644
GIT binary patch
delta 117
zcmdlk`j=&b1Scai0|SHW<(&s6DheC11^9%x>gwtn8=FQiU{qjWU{dmQaSW-r_4dL>
zUIqpZCdcpbQSJ*CeR|=kXD_@h@vZ&DiFGUv@(PAPnyJBQ;>3C;A?Aq_YsL4l%N+mD
V_sRAM>ms1}44$rjF6*2UngE`>Cujfw

literal 2743
zcmeAS@N?(olHy`uVBq!ia0y~yU;#2&7+9ErRIjnw1`sdZ(btiIVPik{pF~z5pFhAS
z#5FuTB04(u|NsBS#-_Tu`d^xJ6&M(}f<0XvLn>~)z2?Y!#DRy!G1#DWu>jY@{+A9v
z1fzr13|@uWZmZM#bxL>%b4B`hp7(#t_G|B!2bwtwNDYAm>4w{km;b(cQ%9=KQT4D8
zXs~6-WB2*Kd(&@5n9wLqY6yH|*dc3hcm26{?4;@(RSyh-8*B^G!w+Zwj(^9@(7^6<
zkDa06_WT(y>%z<IN5hAV5IA7Qu$_6?@2fZelA(E23nT=p8Se1ScvqhK9n=gM1!RT5
w8^!|bgkAA-@A8wSeWYvJz}wJm$8hL9f56&Ez3LB^sh|MyboFyt=akR{0Gr`pGXMYp

diff --git a/client/main.cpp b/client/main.cpp
index 15df7e7..f389df7 100644
--- a/client/main.cpp
+++ b/client/main.cpp
@@ -64,12 +64,22 @@ struct Heightmap {
 		for (int z = 0; z < size; z++) {
 			for (int x = 0; x < size; x++) {
 				int idx = z * size + x;
-				mesh.vertices[idx * 3] = (float(x) / (size - 1) - 0.5f) * WORLD_SIZE;
+				// World position in units (meters)
+				float worldX = (float(x) / (size - 1) - 0.5f) * WORLD_SIZE;
+				float worldZ = (float(z) / (size - 1) - 0.5f) * WORLD_SIZE;
+				
+				mesh.vertices[idx * 3] = worldX;
 				mesh.vertices[idx * 3 + 1] = data[idx];
-				mesh.vertices[idx * 3 + 2] = (float(z) / (size - 1) - 0.5f) * WORLD_SIZE;
+				mesh.vertices[idx * 3 + 2] = worldZ;
 
-				mesh.texcoords[idx * 2] = static_cast<float>(x) / size;
-				mesh.texcoords[idx * 2 + 1] = static_cast<float>(z) / size;
+				// Texture coordinates: 1 unit = 1 texture tile
+				// Since world goes from -50 to +50, we need to map accordingly
+				// Adding 0.5f * WORLD_SIZE to shift from [-50, 50] to [0, 100]
+				float texU = (worldX + 0.5f * WORLD_SIZE);
+				float texV = (worldZ + 0.5f * WORLD_SIZE);
+				
+				mesh.texcoords[idx * 2] = texU;
+				mesh.texcoords[idx * 2 + 1] = texV;
 			}
 		}