tophat

Tophat is a friendly game library for making 2d games with umka.

screenshots

examples

Rectangle you can control with arrows:

import ("th.um"; "rect.um"; "input.um"; "canvas.um"; "window.um")

fn main() {
    const speed = 100

    window.setup("my game", 400, 400)
    window.setViewport(th.Vf2{200, 200})

    pos := th.Vf2{100, 100}

    for window.cycle(cam) {
        var change: th.Vf2

        // Handle input
        if input.isPressed(input.key_left)  { change.x -= 1 }
        if input.isPressed(input.key_right) { change.x += 1 }
        if input.isPressed(input.key_up)    { change.y -= 1 }
        if input.isPressed(input.key_down)  { change.y += 1 }

        // Apply movement
        pos = pos.add(change.norm().mulf(speed * th.delta / 1000.0))

        // Draw!
        canvas.drawRect(th.green, rect.mk(pos.x, pos.y, 10, 10))
    }
}

Draw image:

import ("window.um"; "image.um"; "th.um")
fn main() {
    window.setup("image drawing", 400, 400)
    img := image.load("my-image.png")
    
    for window.cycle() {
        img.draw(th.mkTransform(th.Vf2{ 0, 0 }))
    }
}

You can browse more examples in the examples/ directory.

acknowledgements

People who made a library used by tophat:

• Vasiliy Tereshkov for creating umka
• Charles Lohr for creating the CHEW opengl loader
• Sean Barrett for creating the stb libraries (image and ttf)
• David Reid for creating miniaudio

I would also like to thank Aviv Beeri, the creator of the dome engine, which inspired me to make tophat.