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test: add perspective projection test

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This commit is contained in:
Nick Fisher
2024-10-28 16:57:10 +08:00
parent a8480a9eee
commit e5fe6d95e9
1 changed files with 33 additions and 10 deletions
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37
thermion_dart/test/camera_tests.dart
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@@ -1,5 +1,7 @@
// ignore_for_file: unused_local_variable // ignore_for_file: unused_local_variable
import 'dart:math';
import 'package:thermion_dart/thermion_dart.dart'; import 'package:thermion_dart/thermion_dart.dart';
import 'package:test/test.dart'; import 'package:test/test.dart';
import 'package:vector_math/vector_math_64.dart'; import 'package:vector_math/vector_math_64.dart';
@@ -9,7 +11,6 @@ void main() async {
final testHelper = TestHelper("integration"); final testHelper = TestHelper("integration");
group('camera', () { group('camera', () {
test('getCameraModelMatrix, getCameraPosition, rotation', () async { test('getCameraModelMatrix, getCameraPosition, rotation', () async {
var viewer = await testHelper.createViewer(); var viewer = await testHelper.createViewer();
var matrix = await viewer.getCameraModelMatrix(); var matrix = await viewer.getCameraModelMatrix();
@@ -52,7 +53,6 @@ void main() async {
expect(position.y, closeTo(4.0, 1e-6)); expect(position.y, closeTo(4.0, 1e-6));
expect(position.z, closeTo(5.0, 1e-6)); expect(position.z, closeTo(5.0, 1e-6));
await viewer.dispose(); await viewer.dispose();
}); });
test('getCameraProjectionMatrix', () async { test('getCameraProjectionMatrix', () async {
@@ -69,7 +69,6 @@ void main() async {
var matrix = await viewer.getCameraCullingProjectionMatrix(); var matrix = await viewer.getCameraCullingProjectionMatrix();
print(matrix); print(matrix);
await viewer.dispose(); await viewer.dispose();
}); });
test('getCameraFrustum', () async { test('getCameraFrustum', () async {
@@ -95,13 +94,37 @@ void main() async {
var camera = await viewer.getMainCamera(); var camera = await viewer.getMainCamera();
await viewer.createGeometry(GeometryHelper.cube()); await viewer.createGeometry(GeometryHelper.cube());
await camera.setProjection(Projection.Orthographic, -0.05, 0.05, -0.05, 0.05, 0.05, 10000); await camera.setProjection(
await testHelper.capture( Projection.Orthographic, -0.05, 0.05, -0.05, 0.05, 0.05, 10000);
viewer, "camera_set_orthographic_projection"); await testHelper.capture(viewer, "camera_set_orthographic_projection");
await viewer.dispose(); await viewer.dispose();
}); });
test('set custom projection/culling matrix', () async { test('set perspective projection/culling matrix', () async {
var viewer = await testHelper.createViewer(
bg: kRed, cameraPosition: Vector3(0, 0, 4));
var camera = await viewer.getMainCamera();
final cube = await viewer.createGeometry(GeometryHelper.cube());
var fovY = pi / 2;
await camera.setProjectionMatrixWithCulling(
makePerspectiveMatrix(fovY, 1.0, 0.05, 10000), 0.05, 10000);
await testHelper.capture(
viewer, "camera_set_perspective_projection_culling_matrix_object_fov90");
// cube no longer visible when the far plane is moved closer to camera so cube is outside
fovY = 2*(pi/3);
await camera.setProjectionMatrixWithCulling(
makePerspectiveMatrix(fovY, 1.0, 0.05, 10000), 0.05, 10000);
await testHelper.capture(
viewer, "camera_set_perspective_projection_culling_matrix_object_fov120");
await viewer.dispose();
});
test('set custom projection/culling matrix (orthographic)', () async {
var viewer = await testHelper.createViewer( var viewer = await testHelper.createViewer(
bg: kRed, cameraPosition: Vector3(0, 0, 4)); bg: kRed, cameraPosition: Vector3(0, 0, 4));
var camera = await viewer.getMainCamera(); var camera = await viewer.getMainCamera();