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gg: simplify the minimal gg application even more with context.user_data = context

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This commit is contained in:
Delyan Angelov
2021-11-06 18:24:19 +02:00
parent 8be64ef80e
commit 32b74dd348
3 changed files with 14 additions and 20 deletions
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28
examples/gg/polygons.v
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@ -3,31 +3,23 @@ module main
import gg
import gx
struct App {
mut:
gg &gg.Context
}
fn main() {
mut app := &App{
gg: 0
}
app.gg = gg.new_context(
mut context := gg.new_context(
bg_color: gx.rgb(174, 198, 255)
width: 600
height: 400
window_title: 'Polygons'
frame_fn: frame
user_data: app
)
app.gg.run()
context.user_data = context
context.run()
}
fn frame(mut app App) {
app.gg.begin()
app.gg.draw_convex_poly([f32(100.0), 100.0, 200.0, 100.0, 300.0, 200.0, 200.0, 300.0, 100.0,
300.0], gx.blue)
app.gg.draw_empty_poly([f32(50.0), 50.0, 70.0, 60.0, 90.0, 80.0, 70.0, 110.0], gx.black)
app.gg.draw_triangle(450, 142, 530, 280, 370, 280, gx.red)
app.gg.end()
fn frame(mut ctx gg.Context) {
ctx.begin()
ctx.draw_convex_poly([f32(100.0), 100.0, 200.0, 100.0, 300.0, 200.0, 200.0, 300.0, 100.0, 300.0],
gx.blue)
ctx.draw_empty_poly([f32(50.0), 50.0, 70.0, 60.0, 90.0, 80.0, 70.0, 110.0], gx.black)
ctx.draw_triangle(450, 142, 530, 280, 370, 280, gx.red)
ctx.end()
}