Scene3D Asset Demo Source

1import scene3d "std:ui/scene3d"
2import ui_cmds "std:ui/commands"
3import ui_raster "std:ui/raster"
4import ui_avm "std:ui/avm"
5
6fn fail(msg) {
7    print("FAIL")
8    print(msg)
9    oren_exit(1)
10}
11
12fn px(buf, w, x, y, chan) {
13    return oren_bytes_get_u8(buf, (y * w + x) * 4 + chan)
14}
15
16fn main() {
17    var cmds = scene3d.commands_from_binary_file("assets/scene3d_card.os3d")
18    if oren_is_err(cmds) { fail(oren_err_msg(cmds)) }
19    var valid = ui_cmds.validate(cmds, 4, 4, {"strict_bounds": true})
20    if oren_is_err(valid) { fail(oren_err_msg(valid)) }
21    var buf = ui_raster.rasterize(cmds, 4, 4, {"strict_bounds": true})
22    if oren_is_err(buf) { fail(oren_err_msg(buf)) }
23    if px(buf, 4, 1, 1, 1) != 255 { fail("scene pixel") }
24    if px(buf, 4, 2, 2, 0) != 255 { fail("scene rgba triangle pixel") }
25    var rc = ui_avm.present_frame(cmds, 4, 4, {
26        "sequence": 1,
27        "scale_milli": 3000,
28        "drawable_w": 12,
29        "drawable_h": 12,
30        "target_hz_milli": 120000,
31        "strict_bounds": true
32    })
33    if oren_is_err(rc) { fail(oren_err_msg(rc)) }
34    print("scene3d-asset demo OK")
35    oren_exit(0)
36}
37
38main()
39