rendering a lot of stuff quickly

[plain eagle]

I need some advice on what to use for a project I'm working on.
In my project I need to create a window with a very large grid of squares.
Each square can change color.
And i want the time to render this grid to be as quick as possible.

[narrow relic]

I'd suggest using something like bevy_ecs_tilemap

that or using a shader and one large quad

[plain eagle]

I think tile map will be OK, ty