examples: support better placment and scaling on nonsquare viewports in cube.v (#8513)

pull/8519/head
Larpon 2021-02-02 13:09:40 +01:00 committed by GitHub
parent 17062dc5c8
commit 975206f38e
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1 changed files with 34 additions and 25 deletions

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@ -270,14 +270,16 @@ fn cube_field(app App){
}
fn frame(mut app App) {
dw := app.gg.width
dh := app.gg.height
ww := dh/2 /* not a bug */
hh := dh/2
x0 := dw/2 - hh
ws := gg.window_size()
ratio := f32(ws.width)/ws.height
dw := ws.width
dh := ws.height
ww := int(dh/3) /* not a bug */
hh := int(dh/3)
x0 := int(f32(dw) * 0.05)
//x1 := dw/2
y0 := 0
y1 := dh/2
y1 := int(f32(dh) * 0.5)
app.gg.begin()
//sgl.defaults()
@ -291,11 +293,11 @@ fn frame(mut app App) {
draw_cubes(app)
// textured cubed with viewport
sgl.viewport(0, 0, dw, dh, true)
sgl.viewport(0, int(dh/5), dw, int(dh*ratio), true)
draw_texture_cubes(app)
// textured field of cubes with viewport
sgl.viewport(0, 0, dw, dh, true)
sgl.viewport(0, int(dh/5), dw, int(dh*ratio), true)
cube_field(app)
app.frame_count++
@ -386,6 +388,13 @@ fn my_event_manager(mut ev sapp.Event, mut app App) {
app.mouse_x = int(ev.mouse_x)
app.mouse_y = int(ev.mouse_y)
}
if ev.typ == .touches_began || ev.typ == .touches_moved {
if ev.num_touches > 0 {
touch_point := ev.touches[0]
app.mouse_x = int(touch_point.pos_x)
app.mouse_y = int(touch_point.pos_y)
}
}
}
/******************************************************************************