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I made a game using vanilla Javascript and HTML canvas. After adding gem objects to the game board, I added code that increases the player score when it collides with them, which is an if statement inside a prototype method formatted with ES6 class syntax (inside class Gem). (The method is called in a separate JavaScript file.)

It seems like the if statement I'm using should increase the score (and generate a gem in a new random location) when the player collides with it from any side, but it only works from the bottom. What am I doing wrong?

Here's the if statement within the prototype method that contains it: