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more methods for projection/culling projection matrices & frustum

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This commit is contained in:
Nick Fisher
2023-11-09 11:41:40 +08:00
parent e1141098d0
commit 395de95d37
13 changed files with 267 additions and 144 deletions
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25
lib/filament_controller_ffi.dart
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@@ -1097,18 +1097,25 @@ class FilamentControllerFFI extends FilamentController {
}
@override
Future<List<Vector4>> getCameraFrustum() async {
Future<Matrix4> getCameraCullingProjectionMatrix() async {
if (_viewer == null) {
throw Exception("No viewer available");
}
var arrayPtr = get_camera_frustum(_viewer!);
var doubleList = arrayPtr.asTypedList(6 * 4);
var frustum = <Vector4>[];
for (int i = 0; i < 6; i++) {
var plane = Vector4.array(doubleList.sublist(i * 4, (i + 1) * 4));
frustum.add(plane);
}
var arrayPtr = get_camera_culling_projection_matrix(_viewer!);
var doubleList = arrayPtr.asTypedList(16);
var projectionMatrix = Matrix4.fromList(doubleList);
flutter_filament_free(arrayPtr.cast<Void>());
return frustum;
return projectionMatrix;
}
@override
Future<Frustum> getCameraFrustum() async {
if (_viewer == null) {
throw Exception("No viewer available");
}
var projectionMatrix = await getCameraProjectionMatrix();
return Frustum.matrix(projectionMatrix);
}
}