From 9d60be86abce0d8e6030b67daa940d50f4ec8e20 Mon Sep 17 00:00:00 2001
From: Szymon Nowakowski <renati@renati.me>
Date: Thu, 27 Nov 2025 19:05:41 +0100
Subject: [PATCH] Alpha discard, adjust lights for no reason

---
 assets/shaders/main.frag |  4 ++++
 src/Game.zig             | 24 ++++++++++++------------
 2 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/assets/shaders/main.frag b/assets/shaders/main.frag
index ebaf365..800e554 100644
--- a/assets/shaders/main.frag
+++ b/assets/shaders/main.frag
@@ -85,6 +85,10 @@ vec4 texture2DAA(texture2D tex, vec2 texCoord) {
 
 void main() {
     vec4 baseColorTexel = texture2DAA(_Textures[uint(MATERIAL.baseColorTexture)], var.texCoord);
+    if (baseColorTexel.a < 0.5) {
+        discard;
+    }
+
     vec4 occlusionRoughnessMetallicTexel = texture2DAA(_Textures[uint(MATERIAL.occlusionRoughnessMetallicTexture)], var.texCoord);
     vec4 normalTexel = texture2DAA(_Textures[uint(MATERIAL.normalTexture)], var.texCoord);
     vec4 emissiveTexel = texture2DAA(_Textures[uint(MATERIAL.emissiveTexture)], var.texCoord);
diff --git a/src/Game.zig b/src/Game.zig
index d152248..40be509 100644
--- a/src/Game.zig
+++ b/src/Game.zig
@@ -602,24 +602,24 @@ pub fn init(allocator: std.mem.Allocator, engine: *Engine, swapchain: *Swapchain
 
     const point_lights_data: []const PointLight = &.{
         .{
-            .positionWS = .{ 0, 0, 1 },
-            .color = .{ 10, 10, 10 },
+            .positionWS = .{ 0, 0, 0.5 },
+            .color = .{ 1, 1, 1 },
         },
         .{
-            .positionWS = .{ -7, 7, 1 },
-            .color = .{ 5, 0, 0 },
+            .positionWS = .{ -5, 5, 0.5 },
+            .color = .{ 1, 0, 0 },
         },
         .{
-            .positionWS = .{ 7, 7, 1 },
-            .color = .{ 0, 0, 5 },
+            .positionWS = .{ 5, 5, 0.5 },
+            .color = .{ 0, 0, 1 },
         },
         .{
-            .positionWS = .{ -7, -7, 1 },
-            .color = .{ 0, 5, 0 },
+            .positionWS = .{ -5, -5, 0.5 },
+            .color = .{ 0, 1, 0 },
         },
         .{
-            .positionWS = .{ 7, -7, 1 },
-            .color = .{ 5, 5, 0 },
+            .positionWS = .{ 5, -5, 0.5 },
+            .color = .{ 1, 1, 0 },
         },
     };
     try point_lights.write(engine, .{
@@ -630,7 +630,7 @@ pub fn init(allocator: std.mem.Allocator, engine: *Engine, swapchain: *Swapchain
     const directional_lights_data: []const DirectionalLight = &.{
         .{
             .directionWS = .{ 0, 0, -1 },
-            .color = .{ 0.2, 0.2, 0.2 },
+            .color = .{ 0.3, 0.3, 0.3 },
         },
     };
     try directional_lights.write(engine, .{
@@ -756,7 +756,7 @@ pub fn update(self: *Game, dt: f32) void {
     );
     // zig fmt: on
 
-    const ambient_light = Vector3.init(0.1, 0.1, 0.1);
+    const ambient_light = Vector3.init(0.2, 0.2, 0.2);
 
     const global_uniforms_data: GlobalUniforms = .{
         .matrixWStoVS = matrix_ws_to_vs.asArray(),