module main import gg import gx struct App { mut: gg &gg.Context pixels []f32 } fn main() { mut pixels := []f32{} density := 4 for x in 30 .. 60 { if x % density == 0 { continue } for y in 30 .. 60 { if y % density == 0 { continue } pixels << f32(x + density) pixels << f32(y + density) } } mut app := &App{ gg: 0 pixels: pixels } app.gg = gg.new_context( bg_color: gx.rgb(174, 198, 255) width: 100 height: 100 window_title: 'Set Pixels' frame_fn: frame user_data: app ) app.gg.run() } fn frame(mut app App) { app.gg.begin() // Set a blue pixel near each corner. (Find your magnifying glass) app.gg.set_pixel(2, 2, gx.blue) app.gg.set_pixel(app.gg.width - 2, 2, gx.blue) app.gg.set_pixel(app.gg.width - 2, app.gg.height - 2, gx.blue) app.gg.set_pixel(2, app.gg.height - 2, gx.blue) // Set pixels in a grid-like pattern. app.gg.set_pixels(app.pixels, gx.red) app.gg.end() }