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

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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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25
examples/sokol/cube.v
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@ -270,14 +270,16 @@ fn cube_field(app App){
} }
fn frame(mut app App) { fn frame(mut app App) {
dw := app.gg.width ws := gg.window_size()
dh := app.gg.height ratio := f32(ws.width)/ws.height
ww := dh/2 /* not a bug */ dw := ws.width
hh := dh/2 dh := ws.height
x0 := dw/2 - hh ww := int(dh/3) /* not a bug */
hh := int(dh/3)
x0 := int(f32(dw) * 0.05)
//x1 := dw/2 //x1 := dw/2
y0 := 0 y0 := 0
y1 := dh/2 y1 := int(f32(dh) * 0.5)
app.gg.begin() app.gg.begin()
//sgl.defaults() //sgl.defaults()
@ -291,11 +293,11 @@ fn frame(mut app App) {
draw_cubes(app) draw_cubes(app)
// textured cubed with viewport // 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) draw_texture_cubes(app)
// textured field of cubes with viewport // 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) cube_field(app)
app.frame_count++ 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_x = int(ev.mouse_x)
app.mouse_y = int(ev.mouse_y) 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)
}
}
} }
/****************************************************************************** /******************************************************************************