Enable OpenGL depth testing

1 files changed, 5 insertions, 1 deletions

diff --git a/source/main.cpp b/source/main.cpp
index 1437c4f..592350f 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -359,6 +359,10 @@ void main() {
 		App app;
 		glfwUserData.app = &app;
 
+		// NOTE: don't enable backface culling, because the game mainly runs in 2D and sometimes we'd like to flip sprites around
+		//       it also helps with debugging layers in 3D view
+		glEnable(GL_DEPTH_TEST);
+
 		// 60 updates per second
 		constexpr double kMsPerUpdate = 1000.0 / 60;
 		constexpr double kSecondsPerUpdate = kMsPerUpdate / 1000;
@@ -403,7 +407,7 @@ void main() {
 			glViewport(0, 0, fbWidth, fbHeight);
 			auto clearColor = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
 			glClearColor(clearColor.x * clearColor.w, clearColor.y * clearColor.w, clearColor.z * clearColor.w, clearColor.w);
-			glClear(GL_COLOR_BUFFER_BIT);
+			glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
 			{ // Regular draw
 				ZoneScopedN("Render");