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fix graph.v example

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This commit is contained in:
Alexander Medvednikov 2020-01-16 00:07:59 +01:00
parent 663a8c9c79
commit d5f6e37c65
1 changed files with 19 additions and 19 deletions
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38
examples/hot_reload/graph.v
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@ -18,33 +18,33 @@ struct Context {
fn main() { fn main() {
glfw.init_glfw() glfw.init_glfw()
ctx:= &Context{ ctx:= &Context{
gg: gg.new_context(gg.Cfg { gg: gg.new_context(gg.Cfg {
width: Size width: Size
height: Size height: Size
use_ortho: true use_ortho: true
create_window: true create_window: true
window_title: 'Graph builder' window_title: 'Graph builder'
window_user_ptr: ctx window_user_ptr: ctx
always_on_top: true always_on_top: true
}) })
} }
go update() // update the scene in the background in case the window isn't focused go update() // update the scene in the background in case the window isn't focused
for { for {
if ctx.gg.window.should_close() { if ctx.gg.window.should_close() {
break break
} }
gg.clear(gx.White) gg.clear(gx.White)
ctx.draw() ctx.draw()
ctx.gg.render() ctx.gg.render()
} }
} }
[live] [live]
fn (ctx &Context) draw() { fn (ctx &Context) draw() {
center := f64(Size / 2) center := f64(Size / 2)
ctx.gg.draw_line(0, center, Size, center) // x axis ctx.gg.draw_line(0, center, Size, center, gx.gray) // x axis
ctx.gg.draw_line(center, 0, center, Size) // y axis ctx.gg.draw_line(center, 0, center, Size, gx.gray) // y axis
atime := f64( time.ticks() / 10 ) atime := f64( time.ticks() / 10 )
stime := math.sin( 2.0 * pi * f64( time.ticks() % 6000 ) / 6000 ) stime := math.sin( 2.0 * pi * f64( time.ticks() % 6000 ) / 6000 )
mut y := 0.0 mut y := 0.0
@ -60,13 +60,13 @@ fn (ctx &Context) draw() {
//y = math.sqrt(30.0 - x * x) * stime //y = math.sqrt(30.0 - x * x) * stime
//y -= (stime-0.5) + stime //y -= (stime-0.5) + stime
ctx.gg.draw_rect(center + x * Scale, center - y * Scale, 1, 1, gx.Blue) ctx.gg.draw_rect(center + x * Scale, center - y * Scale, 1, 1, gx.Blue)
ctx.gg.draw_rect(center + x * Scale, center + y * Scale, 1, 1, gx.Red) ctx.gg.draw_rect(center + x * Scale, center + y * Scale, 1, 1, gx.Red)
} }
} }
fn update() { fn update() {
for { for {
gg.post_empty_event() gg.post_empty_event()
time.sleep_ms(16) // 60 fps time.sleep_ms(16) // 60 fps
} }
} }