WebGL Textures: Introduction to Mipmaps, Sub Images & Atlases (Online 3D Media with WebGL Book 2) by A. Butler

Author:A. Butler [Butler, A.]
Language: eng
Format: mobi
Publisher: Seven Thunder Software
Published: 2015-06-22T04:00:00+00:00

Maze Game's tapLeft() Method

tapLeft() activates when the player taps the colored strip which displays along the left side of the maze.

tapLeft() finds the index within the maze array, which corresponds to one tile directly to the left of the player's current location. If the player's on farthest left row, they can't move any farther to the left. In that case glMaze.idx % 16 equals zero. Call method setWrong() and return.

Otherwise check to see if the tile to the left of the player's tile, is on the path. The following line obtains the index of the tile to the left of the current tile.

idx = glMaze.idx - 1;

Check the maze to determine if glMaze.aMaze[idx] ! = 0. If the tile to the left of the current tile is on the path, then call setRight(). Pass the index of the tile to the left of the current tile to method setRight(). See the tapLeft() method.

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