From 5b19caa89bf6a18cf786c94e1f2c45c3c1695455 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergio=20Valor=20Mart=C3=ADnez?= <jaildesigner@gmail.com>
Date: Sun, 7 May 2023 09:16:35 +0200
Subject: [PATCH] =?UTF-8?q?A=C3=B1adido=20degradado=20en=20el=20fondo?=
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---
 main.cpp | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/main.cpp b/main.cpp
index 9263e98..c1a6a07 100644
--- a/main.cpp
+++ b/main.cpp
@@ -46,7 +46,7 @@ int main(int argc, char *argv[])
 	Text *text = new Text("data/smb2.txt", "data/smb2.png", renderer);
 
 	// Bucle principal
-	JA_PlayMusic(music, true);
+	// JA_PlayMusic(music, true);
 	bool should_exit = false;
 	while (!should_exit)
 	{
@@ -73,7 +73,21 @@ int main(int argc, char *argv[])
 		// Dibuja en pantalla
 		SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0xFF);
 		SDL_RenderClear(renderer);
-		text->writeCentered(options->gameWidth / 2 ,text->getCharacterSize(),"Jail Engine DEMO");
+		// Dibuja un degradado de fondo
+		const int gradFirstLine = options->gameHeight / 3;
+		const int gradLastLine = options->gameHeight;
+		const int gradNumLines = gradLastLine - gradFirstLine;
+		const int gradColorFrom = 0;
+		const int gradColorTo = 192;
+
+		for (int i = gradFirstLine; i < gradLastLine; ++i)
+		{
+			float step = ((float)(i - gradFirstLine) / gradNumLines);
+			int color = gradColorFrom + ((gradColorTo - gradColorFrom) * step);
+			SDL_SetRenderDrawColor(renderer, color, 0x00, 0x00, 0xFF);
+			SDL_RenderDrawLine(renderer, 0, i, options->gameWidth, i);
+		}
+		text->writeCentered(options->gameWidth / 2, text->getCharacterSize(), "Jail Engine DEMO");
 		SDL_RenderPresent(renderer);
 	}