maobo/cup_edit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add getCameraFrustum() and getCameraProjectionMatrix()

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

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)