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add getCameraFrustum() and getCameraProjectionMatrix()

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This commit is contained in:
Nick Fisher
2023-11-08 20:30:14 +08:00
parent 962d53442f
commit 2db353cc3b
12 changed files with 521 additions and 78 deletions
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40
example/lib/menus/camera_submenu.dart
View File

@@ -57,6 +57,46 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
child: Text(
"${ExampleWidgetState.frustumCulling ? "Disable" : "Enable"} frustum culling"),
),
MenuItemButton(
closeOnActivate: false,
onPressed: () async {
var projMatrix =
await widget.controller.getCameraProjectionMatrix();
await showDialog(
context: context,
builder: (ctx) {
return Center(
child: Container(
height: 100,
width: 300,
color: Colors.white,
child: Text(projMatrix.storage
.map((v) => v.toStringAsFixed(2))
.join(","))));
});
},
child: const Text("Get projection matrix")),
MenuItemButton(
closeOnActivate: false,
onPressed: () async {
var frustum = await widget.controller.getCameraFrustum();
await showDialog(
context: context,
builder: (ctx) {
return Center(
child: Container(
height: 300,
width: 300,
color: Colors.white,
child: Column(
children: frustum
.map((vector) => Text(vector.storage
.map((v) => v.toStringAsFixed(2))
.join(",")))
.toList())));
});
},
child: const Text("Get frustum")),
SubmenuButton(
menuChildren: ManipulatorMode.values.map((mm) {
return MenuItemButton(

3
ios/include/FilamentViewer.hpp
View File

@@ -1,6 +1,7 @@
#pragma once
#include <filament/Camera.h>
#include <filament/Frustum.h>
#include <filament/ColorGrading.h>
#include <filament/Engine.h>
#include <filament/IndexBuffer.h>
@@ -99,6 +100,8 @@ namespace polyvox
void setCameraRotation(float rads, float x, float y, float z);
const math::mat4 getCameraModelMatrix();
const math::mat4 getCameraViewMatrix();
const math::mat4 getCameraProjectionMatrix();
const filament::Frustum getCameraFrustum();
void setCameraModelMatrix(const float *const matrix);
void setCameraFocalLength(float fl);
void setCameraFocusDistance(float focusDistance);

1
ios/include/FlutterFilamentApi.h
View File

@@ -152,6 +152,7 @@ FLUTTER_PLUGIN_EXPORT void set_camera_model_matrix(const void* const viewer, con
FLUTTER_PLUGIN_EXPORT const double* const get_camera_model_matrix(const void* const viewer);
FLUTTER_PLUGIN_EXPORT const double* const get_camera_view_matrix(const void* const viewer);
FLUTTER_PLUGIN_EXPORT const double* const get_camera_projection_matrix(const void* const viewer);
FLUTTER_PLUGIN_EXPORT const double* const get_camera_frustum(const void* const viewer);
FLUTTER_PLUGIN_EXPORT void set_camera_focal_length(const void* const viewer, float focalLength);
FLUTTER_PLUGIN_EXPORT void set_camera_focus_distance(const void* const viewer, float focusDistance);
FLUTTER_PLUGIN_EXPORT void set_camera_manipulator_options(const void* const viewer, _ManipulatorMode mode, double orbitSpeedX, double orbitSpeedY, double zoomSpeed);

12
ios/src/FilamentViewer.cpp
View File

@@ -1121,6 +1121,18 @@ namespace polyvox
return cam.getViewMatrix();
}
const math::mat4 FilamentViewer::getCameraProjectionMatrix()
{
const auto &cam = _view->getCamera();
return cam.getProjectionMatrix();
}
const filament::Frustum FilamentViewer::getCameraFrustum()
{
const auto &cam = _view->getCamera();
return cam.getFrustum();
}
void FilamentViewer::_createManipulator()
{
Camera &cam = _view->getCamera();

29
ios/src/FlutterFilamentApi.cpp
View File

@@ -126,8 +126,33 @@ extern "C"
const double *const get_camera_view_matrix(const void *const viewer)
{
const auto &modelMatrix = ((FilamentViewer *)viewer)->getCameraViewMatrix();
return modelMatrix.asArray();
const auto &matrix = ((FilamentViewer *)viewer)->getCameraViewMatrix();
double *array = (double *)calloc(16, sizeof(double));
memcpy(array, matrix.asArray(), 16 * sizeof(double));
return array;
}
const double *const get_camera_projection_matrix(const void *const viewer)
{
const auto &matrix = ((FilamentViewer *)viewer)->getCameraProjectionMatrix();
double *array = (double *)calloc(16, sizeof(double));
memcpy(array, matrix.asArray(), 16 * sizeof(double));
return array;
}
const double *const get_camera_frustum(const void *const viewer)
{
const auto frustum = ((FilamentViewer *)viewer)->getCameraFrustum();
const math::float4* planes = frustum.getNormalizedPlanes();
double *array = (double *)calloc(24, sizeof(double));
for(int i =0; i < 6; i++) {
array[i*4] = planes[i].x;
array[i*4+1] = planes[i].y;
array[i*4+2] = planes[i].z;
array[i*4+3] = planes[i].w;
}
return array;
}
FLUTTER_PLUGIN_EXPORT void set_camera_manipulator_options(const void *const viewer, _ManipulatorMode mode, double orbitSpeedX, double orbitSpeedY, double zoomSpeed)

12
lib/filament_controller.dart
View File

@@ -355,10 +355,20 @@ abstract class FilamentController {
Future<Matrix4> getCameraModelMatrix();
///
/// Get the camera's view matrix.
/// Get the camera's view matrix. See Camera.h for more details.
///
Future<Matrix4> getCameraViewMatrix();
///
/// Get the camera's projection matrix. See Camera.h for more details.
///
Future<Matrix4> getCameraProjectionMatrix();
///
/// Get the camera's culling frustum in world space. Returns six Vector4s defining the left, right, bottom, top, far and near planes respectively. See Camera.h and Frustum.h for more details.
///
Future<List<Vector4>> getCameraFrustum();
///
/// Set the camera position in world space. Note this is not persistent - any viewport navigation will reset the camera transform.
///

28
lib/filament_controller_ffi.dart
View File

@@ -1083,4 +1083,32 @@ class FilamentControllerFFI extends FilamentController {
set_camera_manipulator_options(
_viewer!, mode.index, orbitSpeedX, orbitSpeedX, zoomSpeed);
}
@override
Future<Matrix4> getCameraProjectionMatrix() async {
if (_viewer == null) {
throw Exception("No viewer available");
}
var arrayPtr = get_camera_projection_matrix(_viewer!);
var doubleList = arrayPtr.asTypedList(16);
var projectionMatrix = Matrix4.fromList(doubleList);
flutter_filament_free(arrayPtr.cast<Void>());
return projectionMatrix;
}
@override
Future<List<Vector4>> getCameraFrustum() 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);
}
flutter_filament_free(arrayPtr.cast<Void>());
return frustum;
}
}

429
lib/generated_bindings.dart
View File

@@ -43,7 +43,8 @@ external ffi.Pointer<ffi.Void> get_asset_manager(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int, ffi.Int, ffi.Int)>(
ffi.Void Function(
ffi.Pointer<ffi.Void>, ffi.IntPtr, ffi.Uint32, ffi.Uint32)>(
symbol: 'create_render_target', assetId: 'libflutter_filament')
external void create_render_target(
ffi.Pointer<ffi.Void> viewer,
@@ -59,8 +60,9 @@ external void clear_background_image(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.Char>,
ffi.Bool)>(symbol: 'set_background_image', assetId: 'libflutter_filament')
ffi.Void Function(
ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.Char>, ffi.Bool)>(
symbol: 'set_background_image', assetId: 'libflutter_filament')
external void set_background_image(
ffi.Pointer<ffi.Void> viewer,
ffi.Pointer<ffi.Char> path,
@@ -135,7 +137,7 @@ external void remove_ibl(
@ffi.Native<
EntityId Function(
ffi.Pointer<ffi.Void>,
ffi.Int,
ffi.Uint8,
ffi.Float,
ffi.Float,
ffi.Float,
@@ -209,15 +211,16 @@ external void set_view_frustum_culling(
);
@ffi.Native<
ffi.Void Function(
ffi.Pointer<ffi.Void>,
ffi.Int,
ffi.Pointer<ffi.Void>,
ffi.Pointer<
ffi.NativeFunction<
ffi.Void Function(ffi.Pointer<ffi.Void> buf, ffi.Size size,
ffi.Pointer<ffi.Void> data)>>,
ffi.Pointer<ffi.Void>)>(symbol: 'render', assetId: 'libflutter_filament')
ffi.Void Function(
ffi.Pointer<ffi.Void>,
ffi.Uint64,
ffi.Pointer<ffi.Void>,
ffi.Pointer<
ffi.NativeFunction<
ffi.Void Function(ffi.Pointer<ffi.Void> buf, ffi.Size size,
ffi.Pointer<ffi.Void> data)>>,
ffi.Pointer<ffi.Void>)>(
symbol: 'render', assetId: 'libflutter_filament')
external void render(
ffi.Pointer<ffi.Void> viewer,
int frameTimeInNanos,
@@ -231,8 +234,9 @@ external void render(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.Void>, ffi.Int,
ffi.Int)>(symbol: 'create_swap_chain', assetId: 'libflutter_filament')
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.Void>,
ffi.Uint32, ffi.Uint32)>(
symbol: 'create_swap_chain', assetId: 'libflutter_filament')
external void create_swap_chain(
ffi.Pointer<ffi.Void> viewer,
ffi.Pointer<ffi.Void> window,
@@ -254,7 +258,8 @@ external void set_frame_interval(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int, ffi.Int, ffi.Float)>(
ffi.Void Function(
ffi.Pointer<ffi.Void>, ffi.Uint32, ffi.Uint32, ffi.Float)>(
symbol: 'update_viewport_and_camera_projection',
assetId: 'libflutter_filament')
external void update_viewport_and_camera_projection(
@@ -338,15 +343,16 @@ external void set_morph_target_weights(
);
@ffi.Native<
ffi.Bool Function(
ffi.Pointer<ffi.Void>,
EntityId,
ffi.Pointer<ffi.Char>,
ffi.Pointer<ffi.Float>,
ffi.Pointer<ffi.Int>,
ffi.Int,
ffi.Int,
ffi.Float)>(symbol: 'set_morph_animation', assetId: 'libflutter_filament')
ffi.Bool Function(
ffi.Pointer<ffi.Void>,
EntityId,
ffi.Pointer<ffi.Char>,
ffi.Pointer<ffi.Float>,
ffi.Pointer<ffi.Int>,
ffi.Int,
ffi.Int,
ffi.Float)>(
symbol: 'set_morph_animation', assetId: 'libflutter_filament')
external bool set_morph_animation(
ffi.Pointer<ffi.Void> assetManager,
int asset,
@@ -359,16 +365,17 @@ external bool set_morph_animation(
);
@ffi.Native<
ffi.Void Function(
ffi.Pointer<ffi.Void>,
EntityId,
ffi.Pointer<ffi.Float>,
ffi.Int,
ffi.Int,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Int,
ffi.Float)>(symbol: 'set_bone_animation', assetId: 'libflutter_filament')
ffi.Void Function(
ffi.Pointer<ffi.Void>,
EntityId,
ffi.Pointer<ffi.Float>,
ffi.Int,
ffi.Int,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Int,
ffi.Float)>(
symbol: 'set_bone_animation', assetId: 'libflutter_filament')
external void set_bone_animation(
ffi.Pointer<ffi.Void> assetManager,
int asset,
@@ -444,12 +451,9 @@ external double get_animation_duration(
);
@ffi.Native<
ffi.Void Function(
ffi.Pointer<ffi.Void>,
EntityId,
ffi.Pointer<ffi.Char>,
ffi.Pointer<ffi.Char>,
ffi.Int)>(symbol: 'get_morph_target_name', assetId: 'libflutter_filament')
ffi.Void Function(ffi.Pointer<ffi.Void>, EntityId,
ffi.Pointer<ffi.Char>, ffi.Pointer<ffi.Char>, ffi.Int)>(
symbol: 'get_morph_target_name', assetId: 'libflutter_filament')
external void get_morph_target_name(
ffi.Pointer<ffi.Void> assetManager,
int asset,
@@ -482,15 +486,16 @@ external void clear_assets(
);
@ffi.Native<
ffi.Bool Function(
ffi.Pointer<ffi.Void>,
EntityId,
ffi.Pointer<ffi.Char>,
ffi.Int,
ffi.Float,
ffi.Float,
ffi.Float,
ffi.Float)>(symbol: 'set_material_color', assetId: 'libflutter_filament')
ffi.Bool Function(
ffi.Pointer<ffi.Void>,
EntityId,
ffi.Pointer<ffi.Char>,
ffi.Int,
ffi.Float,
ffi.Float,
ffi.Float,
ffi.Float)>(
symbol: 'set_material_color', assetId: 'libflutter_filament')
external bool set_material_color(
ffi.Pointer<ffi.Void> assetManager,
int asset,
@@ -553,8 +558,9 @@ external void move_camera_to_asset(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Float, ffi.Float,
ffi.Float)>(symbol: 'set_camera_exposure', assetId: 'libflutter_filament')
ffi.Void Function(
ffi.Pointer<ffi.Void>, ffi.Float, ffi.Float, ffi.Float)>(
symbol: 'set_camera_exposure', assetId: 'libflutter_filament')
external void set_camera_exposure(
ffi.Pointer<ffi.Void> viewer,
double aperture,
@@ -563,8 +569,9 @@ external void set_camera_exposure(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Float, ffi.Float,
ffi.Float)>(symbol: 'set_camera_position', assetId: 'libflutter_filament')
ffi.Void Function(
ffi.Pointer<ffi.Void>, ffi.Float, ffi.Float, ffi.Float)>(
symbol: 'set_camera_position', assetId: 'libflutter_filament')
external void set_camera_position(
ffi.Pointer<ffi.Void> viewer,
double x,
@@ -579,8 +586,9 @@ external void get_camera_position(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Float, ffi.Float, ffi.Float,
ffi.Float)>(symbol: 'set_camera_rotation', assetId: 'libflutter_filament')
ffi.Void Function(
ffi.Pointer<ffi.Void>, ffi.Float, ffi.Float, ffi.Float, ffi.Float)>(
symbol: 'set_camera_rotation', assetId: 'libflutter_filament')
external void set_camera_rotation(
ffi.Pointer<ffi.Void> viewer,
double rads,
@@ -614,6 +622,12 @@ external ffi.Pointer<ffi.Double> get_camera_projection_matrix(
ffi.Pointer<ffi.Void> viewer,
);
@ffi.Native<ffi.Pointer<ffi.Double> Function(ffi.Pointer<ffi.Void>)>(
symbol: 'get_camera_frustum', assetId: 'libflutter_filament')
external ffi.Pointer<ffi.Double> get_camera_frustum(
ffi.Pointer<ffi.Void> viewer,
);
@ffi.Native<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Float)>(
symbol: 'set_camera_focal_length', assetId: 'libflutter_filament')
external void set_camera_focal_length(
@@ -720,8 +734,9 @@ external ffi.Pointer<ffi.Void> create_filament_viewer_ffi(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.Void>, ffi.Int,
ffi.Int)>(symbol: 'create_swap_chain_ffi', assetId: 'libflutter_filament')
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Pointer<ffi.Void>,
ffi.Uint32, ffi.Uint32)>(
symbol: 'create_swap_chain_ffi', assetId: 'libflutter_filament')
external void create_swap_chain_ffi(
ffi.Pointer<ffi.Void> viewer,
ffi.Pointer<ffi.Void> surface,
@@ -736,7 +751,8 @@ external void destroy_swap_chain_ffi(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int, ffi.Int, ffi.Int)>(
ffi.Void Function(
ffi.Pointer<ffi.Void>, ffi.IntPtr, ffi.Uint32, ffi.Uint32)>(
symbol: 'create_render_target_ffi', assetId: 'libflutter_filament')
external void create_render_target_ffi(
ffi.Pointer<ffi.Void> viewer,
@@ -777,7 +793,8 @@ external void set_frame_interval_ffi(
);
@ffi.Native<
ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Int, ffi.Int, ffi.Float)>(
ffi.Void Function(
ffi.Pointer<ffi.Void>, ffi.Uint32, ffi.Uint32, ffi.Float)>(
symbol: 'update_viewport_and_camera_projection_ffi',
assetId: 'libflutter_filament')
external void update_viewport_and_camera_projection_ffi(
@@ -871,7 +888,7 @@ external void remove_ibl_ffi(
@ffi.Native<
EntityId Function(
ffi.Pointer<ffi.Void>,
ffi.Int,
ffi.Uint8,
ffi.Float,
ffi.Float,
ffi.Float,
@@ -1024,14 +1041,9 @@ external void set_bone_animation_ffi(
);
@ffi.Native<
ffi.Void Function(
ffi.Pointer<ffi.Void>,
EntityId,
ffi.Int,
ffi.Bool,
ffi.Bool,
ffi.Bool,
ffi.Float)>(symbol: 'play_animation_ffi', assetId: 'libflutter_filament')
ffi.Void Function(ffi.Pointer<ffi.Void>, EntityId, ffi.Int, ffi.Bool,
ffi.Bool, ffi.Bool, ffi.Float)>(
symbol: 'play_animation_ffi', assetId: 'libflutter_filament')
external void play_animation_ffi(
ffi.Pointer<ffi.Void> assetManager,
int asset,
@@ -1122,13 +1134,105 @@ external void pick_ffi(
symbol: 'ios_dummy_ffi', assetId: 'libflutter_filament')
external void ios_dummy_ffi();
final class __mbstate_t extends ffi.Union {
@ffi.Array.multi([128])
external ffi.Array<ffi.Char> __mbstate8;
@ffi.LongLong()
external int _mbstateL;
}
final class __darwin_pthread_handler_rec extends ffi.Struct {
external ffi
.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void>)>>
__routine;
external ffi.Pointer<ffi.Void> __arg;
external ffi.Pointer<__darwin_pthread_handler_rec> __next;
}
final class _opaque_pthread_attr_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([56])
external ffi.Array<ffi.Char> __opaque;
}
final class _opaque_pthread_cond_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([40])
external ffi.Array<ffi.Char> __opaque;
}
final class _opaque_pthread_condattr_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([8])
external ffi.Array<ffi.Char> __opaque;
}
final class _opaque_pthread_mutex_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([56])
external ffi.Array<ffi.Char> __opaque;
}
final class _opaque_pthread_mutexattr_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([8])
external ffi.Array<ffi.Char> __opaque;
}
final class _opaque_pthread_once_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([8])
external ffi.Array<ffi.Char> __opaque;
}
final class _opaque_pthread_rwlock_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([192])
external ffi.Array<ffi.Char> __opaque;
}
final class _opaque_pthread_rwlockattr_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([16])
external ffi.Array<ffi.Char> __opaque;
}
final class _opaque_pthread_t extends ffi.Struct {
@ffi.Long()
external int __sig;
external ffi.Pointer<__darwin_pthread_handler_rec> __cleanup_stack;
@ffi.Array.multi([8176])
external ffi.Array<ffi.Char> __opaque;
}
final class ResourceBuffer extends ffi.Struct {
external ffi.Pointer<ffi.Void> data;
@ffi.Int()
@ffi.Int32()
external int size;
@ffi.Int()
@ffi.Int32()
external int id;
}
@@ -1154,8 +1258,11 @@ typedef LoadFilamentResourceFromOwner = ffi.Pointer<
typedef FreeFilamentResourceFromOwner = ffi.Pointer<
ffi
.NativeFunction<ffi.Void Function(ResourceBuffer, ffi.Pointer<ffi.Void>)>>;
typedef EntityId = ffi.Int;
typedef _ManipulatorMode = ffi.Int;
/// This header replicates most of the methods in FlutterFilamentApi.h, and is only intended to be used to generate client FFI bindings.
/// The intention is that calling one of these methods will call its respective method in FlutterFilamentApi.h, but wrapped in some kind of thread runner to ensure thread safety.
typedef EntityId = ffi.Int32;
typedef _ManipulatorMode = ffi.Int32;
typedef FilamentRenderCallback = ffi.Pointer<
ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void> owner)>>;
@@ -1164,3 +1271,179 @@ const int __bool_true_false_are_defined = 1;
const int true1 = 1;
const int false1 = 0;
const int __DARWIN_ONLY_64_BIT_INO_T = 1;
const int __DARWIN_ONLY_UNIX_CONFORMANCE = 1;
const int __DARWIN_ONLY_VERS_1050 = 1;
const int __DARWIN_UNIX03 = 1;
const int __DARWIN_64_BIT_INO_T = 1;
const int __DARWIN_VERS_1050 = 1;
const int __DARWIN_NON_CANCELABLE = 0;
const String __DARWIN_SUF_EXTSN = '\$DARWIN_EXTSN';
const int __DARWIN_C_ANSI = 4096;
const int __DARWIN_C_FULL = 900000;
const int __DARWIN_C_LEVEL = 900000;
const int __STDC_WANT_LIB_EXT1__ = 1;
const int __DARWIN_NO_LONG_LONG = 0;
const int _DARWIN_FEATURE_64_BIT_INODE = 1;
const int _DARWIN_FEATURE_ONLY_64_BIT_INODE = 1;
const int _DARWIN_FEATURE_ONLY_VERS_1050 = 1;
const int _DARWIN_FEATURE_ONLY_UNIX_CONFORMANCE = 1;
const int _DARWIN_FEATURE_UNIX_CONFORMANCE = 3;
const int __has_ptrcheck = 0;
const int __DARWIN_NULL = 0;
const int __PTHREAD_SIZE__ = 8176;
const int __PTHREAD_ATTR_SIZE__ = 56;
const int __PTHREAD_MUTEXATTR_SIZE__ = 8;
const int __PTHREAD_MUTEX_SIZE__ = 56;
const int __PTHREAD_CONDATTR_SIZE__ = 8;
const int __PTHREAD_COND_SIZE__ = 40;
const int __PTHREAD_ONCE_SIZE__ = 8;
const int __PTHREAD_RWLOCK_SIZE__ = 192;
const int __PTHREAD_RWLOCKATTR_SIZE__ = 16;
const int __DARWIN_WCHAR_MAX = 2147483647;
const int __DARWIN_WCHAR_MIN = -2147483648;
const int __DARWIN_WEOF = -1;
const int _FORTIFY_SOURCE = 2;
const int NULL = 0;
const int USER_ADDR_NULL = 0;
const int __WORDSIZE = 64;
const int INT8_MAX = 127;
const int INT16_MAX = 32767;
const int INT32_MAX = 2147483647;
const int INT64_MAX = 9223372036854775807;
const int INT8_MIN = -128;
const int INT16_MIN = -32768;
const int INT32_MIN = -2147483648;
const int INT64_MIN = -9223372036854775808;
const int UINT8_MAX = 255;
const int UINT16_MAX = 65535;
const int UINT32_MAX = 4294967295;
const int UINT64_MAX = -1;
const int INT_LEAST8_MIN = -128;
const int INT_LEAST16_MIN = -32768;
const int INT_LEAST32_MIN = -2147483648;
const int INT_LEAST64_MIN = -9223372036854775808;
const int INT_LEAST8_MAX = 127;
const int INT_LEAST16_MAX = 32767;
const int INT_LEAST32_MAX = 2147483647;
const int INT_LEAST64_MAX = 9223372036854775807;
const int UINT_LEAST8_MAX = 255;
const int UINT_LEAST16_MAX = 65535;
const int UINT_LEAST32_MAX = 4294967295;
const int UINT_LEAST64_MAX = -1;
const int INT_FAST8_MIN = -128;
const int INT_FAST16_MIN = -32768;
const int INT_FAST32_MIN = -2147483648;
const int INT_FAST64_MIN = -9223372036854775808;
const int INT_FAST8_MAX = 127;
const int INT_FAST16_MAX = 32767;
const int INT_FAST32_MAX = 2147483647;
const int INT_FAST64_MAX = 9223372036854775807;
const int UINT_FAST8_MAX = 255;
const int UINT_FAST16_MAX = 65535;
const int UINT_FAST32_MAX = 4294967295;
const int UINT_FAST64_MAX = -1;
const int INTPTR_MAX = 9223372036854775807;
const int INTPTR_MIN = -9223372036854775808;
const int UINTPTR_MAX = -1;
const int INTMAX_MAX = 9223372036854775807;
const int UINTMAX_MAX = -1;
const int INTMAX_MIN = -9223372036854775808;
const int PTRDIFF_MIN = -9223372036854775808;
const int PTRDIFF_MAX = 9223372036854775807;
const int SIZE_MAX = -1;
const int RSIZE_MAX = 9223372036854775807;
const int WCHAR_MAX = 2147483647;
const int WCHAR_MIN = -2147483648;
const int WINT_MIN = -2147483648;
const int WINT_MAX = 2147483647;
const int SIG_ATOMIC_MIN = -2147483648;
const int SIG_ATOMIC_MAX = 2147483647;

3
macos/include/FilamentViewer.hpp
View File

@@ -1,6 +1,7 @@
#pragma once
#include <filament/Camera.h>
#include <filament/Frustum.h>
#include <filament/ColorGrading.h>
#include <filament/Engine.h>
#include <filament/IndexBuffer.h>
@@ -99,6 +100,8 @@ namespace polyvox
void setCameraRotation(float rads, float x, float y, float z);
const math::mat4 getCameraModelMatrix();
const math::mat4 getCameraViewMatrix();
const math::mat4 getCameraProjectionMatrix();
const filament::Frustum getCameraFrustum();
void setCameraModelMatrix(const float *const matrix);
void setCameraFocalLength(float fl);
void setCameraFocusDistance(float focusDistance);

1
macos/include/FlutterFilamentApi.h
View File

@@ -152,6 +152,7 @@ FLUTTER_PLUGIN_EXPORT void set_camera_model_matrix(const void* const viewer, con
FLUTTER_PLUGIN_EXPORT const double* const get_camera_model_matrix(const void* const viewer);
FLUTTER_PLUGIN_EXPORT const double* const get_camera_view_matrix(const void* const viewer);
FLUTTER_PLUGIN_EXPORT const double* const get_camera_projection_matrix(const void* const viewer);
FLUTTER_PLUGIN_EXPORT const double* const get_camera_frustum(const void* const viewer);
FLUTTER_PLUGIN_EXPORT void set_camera_focal_length(const void* const viewer, float focalLength);
FLUTTER_PLUGIN_EXPORT void set_camera_focus_distance(const void* const viewer, float focusDistance);
FLUTTER_PLUGIN_EXPORT void set_camera_manipulator_options(const void* const viewer, _ManipulatorMode mode, double orbitSpeedX, double orbitSpeedY, double zoomSpeed);

12
macos/src/FilamentViewer.cpp
View File

@@ -1121,6 +1121,18 @@ namespace polyvox
return cam.getViewMatrix();
}
const math::mat4 FilamentViewer::getCameraProjectionMatrix()
{
const auto &cam = _view->getCamera();
return cam.getProjectionMatrix();
}
const filament::Frustum FilamentViewer::getCameraFrustum()
{
const auto &cam = _view->getCamera();
return cam.getFrustum();
}
void FilamentViewer::_createManipulator()
{
Camera &cam = _view->getCamera();

29
macos/src/FlutterFilamentApi.cpp
View File

@@ -126,8 +126,33 @@ extern "C"
const double *const get_camera_view_matrix(const void *const viewer)
{
const auto &modelMatrix = ((FilamentViewer *)viewer)->getCameraViewMatrix();
return modelMatrix.asArray();
const auto &matrix = ((FilamentViewer *)viewer)->getCameraViewMatrix();
double *array = (double *)calloc(16, sizeof(double));
memcpy(array, matrix.asArray(), 16 * sizeof(double));
return array;
}
const double *const get_camera_projection_matrix(const void *const viewer)
{
const auto &matrix = ((FilamentViewer *)viewer)->getCameraProjectionMatrix();
double *array = (double *)calloc(16, sizeof(double));
memcpy(array, matrix.asArray(), 16 * sizeof(double));
return array;
}
const double *const get_camera_frustum(const void *const viewer)
{
const auto frustum = ((FilamentViewer *)viewer)->getCameraFrustum();
const math::float4* planes = frustum.getNormalizedPlanes();
double *array = (double *)calloc(24, sizeof(double));
for(int i =0; i < 6; i++) {
array[i*4] = planes[i].x;
array[i*4+1] = planes[i].y;
array[i*4+2] = planes[i].z;
array[i*4+3] = planes[i].w;
}
return array;
}
FLUTTER_PLUGIN_EXPORT void set_camera_manipulator_options(const void *const viewer, _ManipulatorMode mode, double orbitSpeedX, double orbitSpeedY, double zoomSpeed)