Diff: Player/Player.cpp

Revision:

3:83e79d31930c

Parent:

0:72f372170a73

--- a/Player/Player.cpp	Fri May 10 10:51:19 2019 +0000
+++ b/Player/Player.cpp	Fri May 10 14:52:28 2019 +0000
@@ -6,10 +6,18 @@
 
 Player::Player(Maze* mazePtr) {
     maze = mazePtr;
-    pos = UP;
-    direction = DOWN;
+    pos = UP; // {0,1} is a temporary value to initialise the variable
+    direction = DOWN; // due to matrices index increasing as you go down
+    // and their acces being [row][column], the standard (x,y) co-ordinate system is
+    // effectively reversed so even though the direction is down, from our perspective
+    // (if we were looking down on the maze) it would be up.
 }
 
+/* Function used to check the value of a cell in the maze from any given cell
+   (not necessarily the player's current position)
+   this function is used a lot in the Drawer (along with other information from the player)
+   so it is important the function is not bound to the player's current location
+*/
 bool Player::checkLocation(Vector2Di origin, double angle, int checkVal) {
     Vector2Di peekDirection = direction;
     peekDirection.rotateVector(angle);