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camera fixes for assets with large bounding boxes

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This commit is contained in:
Nick Fisher
2023-10-11 14:12:04 +08:00
parent 2923f5907f
commit b7f50df2dc
25 changed files with 4080 additions and 1692 deletions
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41
lib/filament_controller_ffi.dart
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@@ -191,16 +191,45 @@ class FilamentControllerFFI extends FilamentController {
_isReadyForScene.complete(true);
}
///
/// I'm not exactly sure how to resize the backing textures on all platforms.
/// So for now, I'm sticking with the safe option when the widget is resized: destroying the swapchain, recreating the textures, and creating a new swapchain.
///
@override
Future resize(int width, int height, {double scaleFactor = 1.0}) async {
_resizing = true;
setRendering(false);
_lib.destroy_swap_chain(_viewer!);
await destroyTexture();
size = ui.Size(width * _pixelRatio, height * _pixelRatio);
_textureId = await _channel
.invokeMethod("resize", [size.width, size.height, scaleFactor]);
_textureIdController.add(_textureId);
var textures =
await _channel.invokeMethod("createTexture", [size.width, size.height]);
var flutterTextureId = textures[0];
_textureId = flutterTextureId;
// void* on iOS (pointer to pixel buffer), void* on Android (pointer to native window), null on Windows/macOS
var surfaceAddress = textures[1] as int? ?? 0;
// null on iOS/Android, void* on MacOS (pointer to metal texture), GLuid on Windows/Linux
var nativeTexture = textures[2] as int? ?? 0;
_lib.create_swap_chain_ffi(
_viewer!,
Pointer<Void>.fromAddress(surfaceAddress),
size.width.toInt(),
size.height.toInt());
if (nativeTexture != 0) {
assert(surfaceAddress == 0);
print("Creating render target from native texture $nativeTexture");
_lib.create_render_target_ffi(
_viewer!, nativeTexture, size.width.toInt(), size.height.toInt());
}
_lib.update_viewport_and_camera_projection_ffi(
_viewer!, size.width.toInt(), size.height.toInt(), scaleFactor);
_viewer!, size.width.toInt(), size.height.toInt(), 1.0);
_textureIdController.add(_textureId);
_resizing = false;
setRendering(true);
}
@@ -553,11 +582,11 @@ class FilamentControllerFFI extends FilamentController {
}
@override
Future zoomUpdate(double z) async {
Future zoomUpdate(double x, double y, double z) async {
if (_viewer == null || _resizing) {
throw Exception("No viewer available, ignoring");
}
_lib.scroll_update(_viewer!, 0.0, 0.0, z);
_lib.scroll_update(_viewer!, x, y, z);
}
@override