From 36f5cd0d0fbbf33b47af92cb51a4b78a217a54c1 Mon Sep 17 00:00:00 2001
From: Phil Burton <whats_up_newbie@hotmail.com>
Date: Fri, 17 Dec 2010 23:34:06 +0000
Subject: Level: Implement parallax background scrolling

---
 Level.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'Level.cpp')

diff --git a/Level.cpp b/Level.cpp
index e39ab30..d956a78 100644
--- a/Level.cpp
+++ b/Level.cpp
@@ -96,8 +96,12 @@ void Level::move() {
 }
 
 void Level::draw(Screen *screen) {
+    int x = cameraX
+        * (SCREEN_WIDTH - background->w)
+        / (SCREEN_WIDTH - MAP_X*50);
+    int y = SCREEN_HEIGHT - background->h;
     // Blit background
-    screen->blit(0, 0, background);
+    screen->blit(x, y, background);
 
     // If player is in the middle of the screen ...
     if (player.getX() + cameraX > SCREEN_WIDTH / 2 - player.getClip()->w / 2 + player.getXVel()
-- 
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