From 27fb7a448c77a2b5cd3c73b1aabc88382a54e155 Mon Sep 17 00:00:00 2001
From: Vladislav Khorev <mephi1984@gmail.com>
Date: Sat, 13 Dec 2025 20:34:47 +0300
Subject: [PATCH] planet is closed

---
 Environment.cpp  |  6 +++---
 Game.cpp         | 18 +++++++++++++++---
 PlanetObject.cpp | 37 +++++++++++++++++++++++--------------
 PlanetObject.h   |  2 ++
 4 files changed, 43 insertions(+), 20 deletions(-)

diff --git a/Environment.cpp b/Environment.cpp
index d71c040..7e06bc4 100644
--- a/Environment.cpp
+++ b/Environment.cpp
@@ -8,7 +8,7 @@ namespace ZL {
 int Environment::windowHeaderHeight = 0;
 int Environment::width = 0;
 int Environment::height = 0;
-float Environment::zoom = 14.f;
+float Environment::zoom = 18.f;
 
 bool Environment::leftPressed = false;
 bool Environment::rightPressed = false;
@@ -36,8 +36,8 @@ Vector3f Environment::shipPosition = {0,0,0};
 float Environment::shipVelocity = 0.f;
 
 
-const float Environment::CONST_Z_NEAR = 10.f;
-const float Environment::CONST_Z_FAR = 10000.f;
+const float Environment::CONST_Z_NEAR = 5.f;
+const float Environment::CONST_Z_FAR = 5000.f;
 
 
 } // namespace ZL
diff --git a/Game.cpp b/Game.cpp
index fb94ba9..a9af59b 100755
--- a/Game.cpp
+++ b/Game.cpp
@@ -463,8 +463,12 @@ namespace ZL
 		CheckGlError();
 
 		drawCubemap();
-		drawShip();
 		planetObject.draw(renderer);
+		if (planetObject.planetIsFar(Environment::shipPosition))
+		{
+			glClear(GL_DEPTH_BUFFER_BIT);
+		}
+		drawShip();
 		drawBoxes();
 
 		drawUI();
@@ -612,11 +616,19 @@ namespace ZL
 			{
 				if (event.key.keysym.sym == SDLK_i)
 				{
-					Environment::shipVelocity += 5000.f;
+					Environment::shipVelocity += 500.f;
 				}
 				if (event.key.keysym.sym == SDLK_k)
 				{
-					Environment::shipVelocity -= 5000.f;
+					Environment::shipVelocity -= 500.f;
+				}
+				if (event.key.keysym.sym == SDLK_o)
+				{
+					Environment::shipVelocity += 50.f;
+				}
+				if (event.key.keysym.sym == SDLK_l)
+				{
+					Environment::shipVelocity -= 50.f;
 				}
 			}
 		}
diff --git a/PlanetObject.cpp b/PlanetObject.cpp
index 74861eb..a483d2c 100644
--- a/PlanetObject.cpp
+++ b/PlanetObject.cpp
@@ -6,30 +6,30 @@
 
 namespace ZL {
 
-	static constexpr float PLANET_RADIUS = 100000.f;
-	static Vector3f PLANET_CENTER_OFFSET = Vector3f{ 0.f, 0.f, -225000.f };
+	static constexpr float PLANET_RADIUS = 20000.f;
+	static Vector3f PLANET_CENTER_OFFSET = Vector3f{ 0.f, 0.f, -45000.f };
 
 	// --- 1. Дальний диапазон (FAR) ---
-	static constexpr float FAR_Z_NEAR = 5000.0f;
-	static constexpr float FAR_Z_FAR = 1000000.0f;
+	static constexpr float FAR_Z_NEAR = 2000.0f;
+	static constexpr float FAR_Z_FAR = 200000.0f;
 
 	// Дистанция, где НАЧИНАЕТСЯ переход FAR -> MIDDLE
-	static constexpr float TRANSITION_FAR_START = 40000.0f;
+	static constexpr float TRANSITION_FAR_START = 3000.0f;
 
 	// --- 2. Средний диапазон (MIDDLE) ---
-	static constexpr float MIDDLE_Z_NEAR = 1000.f;
-	static constexpr float MIDDLE_Z_FAR = 200000.f;
+	static constexpr float MIDDLE_Z_NEAR = 200.f;
+	static constexpr float MIDDLE_Z_FAR = 20000.f;
 
 	// Дистанция, где ЗАВЕРШАЕТСЯ переход FAR -> MIDDLE и НАЧИНАЕТСЯ MIDDLE -> NEAR
-	static constexpr float TRANSITION_MIDDLE_START = 10000.f;
+	static constexpr float TRANSITION_MIDDLE_START = 500.f;
 
 	// --- 3. Ближний диапазон (NEAR) ---
 	// Новые константы для максимальной точности
-	static constexpr float NEAR_Z_NEAR = 200.0f;
-	static constexpr float NEAR_Z_FAR = 4000.0f;
+	static constexpr float NEAR_Z_NEAR = 5.0f;
+	static constexpr float NEAR_Z_FAR = 5000.0f;
 
 	// Дистанция, где ЗАВЕРШАЕТСЯ переход MIDDLE -> NEAR
-	static constexpr float TRANSITION_NEAR_END = 10.f;
+	static constexpr float TRANSITION_NEAR_END = 40.f;
 
 	std::pair<float, float> calculateZRange(const Vector3f& shipPosition) {
 
@@ -147,12 +147,21 @@ namespace ZL {
 
 		// Масштабируем: хотим отклонение от 1.0 до 1.1
 		// Значит амплитуда = 0.1
-		float height = 1.0f + (noiseValue * 0.002f); // * 0.2 даст вариацию высоты
+		float height = 1.0f + (noiseValue * 0.01f); // * 0.2 даст вариацию высоты
 
 		return height;
 	}
 
 
+
+	bool PlanetObject::planetIsFar(const Vector3f& shipPosition)
+	{
+		const Vector3f planetWorldPosition = PLANET_CENTER_OFFSET;
+		const float distanceToPlanetCenter = (planetWorldPosition - shipPosition).length();
+		const float distanceToPlanetSurface = distanceToPlanetCenter - PLANET_RADIUS;
+
+		return distanceToPlanetSurface > 0.1*TRANSITION_MIDDLE_START;
+	}
 	
 
 	PlanetObject::PlanetObject()
@@ -172,8 +181,8 @@ namespace ZL {
 		planetRenderStruct.data = planetMesh;
 		planetRenderStruct.RefreshVBO();
 
-		//sandTexture = std::make_unique<Texture>(CreateTextureDataFromPng("./resources/sand.png", ""));
-		sandTexture = std::make_unique<Texture>(CreateTextureDataFromPng("./resources/rock.png", ""));
+		sandTexture = std::make_unique<Texture>(CreateTextureDataFromPng("./resources/sand.png", ""));
+		//sandTexture = std::make_unique<Texture>(CreateTextureDataFromPng("./resources/rock.png", ""));
 
 	}
 
diff --git a/PlanetObject.h b/PlanetObject.h
index a3c0dc1..0d3140c 100644
--- a/PlanetObject.h
+++ b/PlanetObject.h
@@ -59,6 +59,8 @@ namespace ZL {
 
 		void draw(Renderer& renderer);
 
+        bool planetIsFar(const Vector3f& shipPosition);
+
 
 	private:
 		bool drawDataDirty = true;