var SQUARES_PER_SIDE = 8; var SQUARE_SIZE = getWidth() / SQUARES_PER_SIDE; function start() { for (var row = 0; row < SQUARES_PER_SIDE; row++) { for (var col = 0; col < SQUARES_PER_SIDE; col++) { drawSquare(row, col); } } } function drawSquare(row, col) { var x = col * SQUARE_SIZE; var y = row * SQUARE_SIZE; var rect = new Rectangle(SQUARE_SIZE, SQUARE_SIZE); rect.setPosition(x, y); // The "Fixed" Logic: Check if sum of indices is even if ((row + col) % 2 == 0) { rect.setColor(Color.red); } else { rect.setColor(Color.black); } add(rect); } Use code with caution. Troubleshooting Common Errors 1. The "Off-by-One" Pixel Gap
However, getting the "fixed" version—where the grid perfectly alternates colors without overlapping or skipping—can be tricky. The objective is to create an
The "916 checkerboard v1 codehs fixed" solution relies entirely on the . Once you master the nested loop structure, you can apply this logic to more complex grid-based games like Minesweeper or Chess. 916 checkerboard v1 codehs fixed
Here is a clean, "fixed" implementation for the CodeHS environment: javascript
Are you having trouble with the version of this assignment, or is the autograder still giving you a specific error message? var SQUARES_PER_SIDE = 8; var SQUARE_SIZE = getWidth()
If you see white lines between your squares, ensure you are calculating SQUARE_SIZE using getWidth() / 8 . If you hardcode a number like 50 on a canvas that isn't exactly 400 , the grid won't fit perfectly. 2. Rectangles Overlapping the Border
The color must switch based on both the row and column index to create the staggered effect. The Logic Behind the Fix Here is a clean, "fixed" implementation for the
grid of squares where the colors alternate between black and red (or other assigned colors), resembling a standard checkerboard. Key Technical Requirements:
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