From 2ae1f27204f0f3040ff3b258affd7025bce8cbe8 Mon Sep 17 00:00:00 2001
From: Luke Bratch <l_bratch@yahoo.co.uk>
Date: Fri, 26 Nov 2010 13:31:11 +0000
Subject: Implement player x/y-coordinate boundaries

---
 Level.cpp | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

(limited to 'Level.cpp')

diff --git a/Level.cpp b/Level.cpp
index f704c79..c70181a 100644
--- a/Level.cpp
+++ b/Level.cpp
@@ -39,12 +39,32 @@ void Level::changeLevel(int levelNo) {
 }
 
 void Level::move() {
+    int newX, newY;
+
     // Apply gravity
     player.incYVel(GRAVITY);
 
-    // Player movements
-    player.setX(player.getX() + player.getXVel());
-    player.setY(player.getY() + player.getYVel());
+    // Player x-axis movement
+    newX = player.getX() + player.getXVel();
+    // Don't let player go off either end of the screen
+    if (newX >= 0 && newX <= SCREEN_WIDTH - MARCUS_WIDTH) {
+        player.setX(newX);
+    }
+
+    // Player y-axis movement
+    newY = player.getY() + player.getYVel();
+    // Don't let player fall below bottom of screen
+    if (newY <= SCREEN_HEIGHT - MARCUS_HEIGHT) {
+        player.setY(newY);
+    } else {
+        // If player was going to fall off, fit snugly to edge
+        while (newY > SCREEN_HEIGHT - MARCUS_HEIGHT) {
+            newY--;
+        }
+        player.setY(newY);
+        // Reset velocity
+        player.setYVel(0);
+    }
 
     player.orient();
 }
-- 
cgit v1.2.3