SIGHT & LIGHT - How to create 2D visibility/shadow effects for your game
Hello! Today, I will show you how to make something like this: (move your mouse around in the box below) This effect is used in my open-source indie game, Nothing To Hide. It's also found in many other 2D games, like Monaco, Gish, and if this tutorial does its job... maybe your next game! I will show the steps & mistakes I personally made while learning how to create this effect. First, some boile
2d Visibility
June 2012, updated Mar 2018, Apr 2020In a 2D top-down map it is sometimes useful to calculate which areas are visible from a given point. For example you might want to hide what’s not visible from the player’s location, or you might want to know what areas would be lit by a torch. Drag the circle around to see what’s visible from the player’s location: This algorithm can also calculate what areas
zen photon garden
Oh no. Zen photon garden is an interactive raytracer art-toy for HTML5 browsers. But it looks like your browser isn't supported! Try the latest version of Chrome or Firefox. (You'll need JavaScript, Canvas, Web Workers, and Typed Arrays.)
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