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+/*************************************************************************/
+/* test_primitives.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef TEST_PRIMITIVES_H
+#define TEST_PRIMITIVES_H
+
+#include "scene/resources/primitive_meshes.h"
+
+#include "tests/test_macros.h"
+
+namespace TestPrimitives {
+
+TEST_CASE("[SceneTree][Primitive][Capsule] Capsule Primitive") {
+ Ref<CapsuleMesh> capsule = memnew(CapsuleMesh);
+
+ SUBCASE("[SceneTree][Primitive][Capsule] Default values should be valid") {
+ CHECK_MESSAGE(capsule->get_radius() > 0,
+ "Radius of default capsule positive.");
+ CHECK_MESSAGE(capsule->get_height() > 0,
+ "Height of default capsule positive.");
+ CHECK_MESSAGE(capsule->get_radial_segments() >= 0,
+ "Radius Segments of default capsule positive.");
+ CHECK_MESSAGE(capsule->get_rings() >= 0,
+ "Number of rings of default capsule positive.");
+ }
+
+ SUBCASE("[SceneTree][Primitive][Capsule] Set properties of the capsule and get them with accessor methods") {
+ capsule->set_height(7.1f);
+ capsule->set_radius(1.3f);
+ capsule->set_radial_segments(16);
+ capsule->set_rings(32);
+
+ CHECK_MESSAGE(capsule->get_radius() == doctest::Approx(1.3f),
+ "Get/Set radius work with one set.");
+ CHECK_MESSAGE(capsule->get_height() == doctest::Approx(7.1f),
+ "Get/Set radius work with one set.");
+ CHECK_MESSAGE(capsule->get_radial_segments() == 16,
+ "Get/Set radius work with one set.");
+ CHECK_MESSAGE(capsule->get_rings() == 32,
+ "Get/Set radius work with one set.");
+ }
+
+ SUBCASE("[SceneTree][Primitive][Capsule] If set segments negative, default to at least 0") {
+ capsule->set_radial_segments(-5);
+ capsule->set_rings(-17);
+
+ CHECK_MESSAGE(capsule->get_radial_segments() >= 0,
+ "Ensure number of radial segments is >= 0.");
+ CHECK_MESSAGE(capsule->get_rings() >= 0,
+ "Ensure number of rings is >= 0.");
+ }
+
+ SUBCASE("[SceneTree][Primitive][Capsule] If set height < 2*radius, adjust radius and height to radius=height*0.5") {
+ capsule->set_radius(1.f);
+ capsule->set_height(0.5f);
+
+ CHECK_MESSAGE(capsule->get_radius() >= capsule->get_height() * 0.5,
+ "Ensure radius >= height * 0.5 (needed for capsule to exist).");
+ }
+
+ SUBCASE("[Primitive][Capsule] Check mesh is correct") {
+ Array data{};
+ data.resize(RS::ARRAY_MAX);
+ float radius{ 0.5f };
+ float height{ 4.f };
+ int num_radial_segments{ 4 };
+ int num_rings{ 8 };
+ CapsuleMesh::create_mesh_array(data, radius, height, num_radial_segments, num_rings);
+ Vector<Vector3> points = data[RS::ARRAY_VERTEX];
+
+ SUBCASE("[Primitive][Capsule] Ensure all vertices positions are within bounding radius and height") {
+ // Get mesh data
+
+ // Check all points within radius of capsule
+ float dist_to_yaxis = 0.f;
+ for (Vector3 point : points) {
+ float new_dist_to_y = point.x * point.x + point.z * point.z;
+ if (new_dist_to_y > dist_to_yaxis)
+ dist_to_yaxis = new_dist_to_y;
+ }
+
+ CHECK(dist_to_yaxis <= radius * radius);
+
+ // Check highest point and lowest point are within height of each other
+ float max_y{ 0.f };
+ float min_y{ 0.f };
+ for (Vector3 point : points) {
+ if (point.y > max_y)
+ max_y = point.y;
+ if (point.y < min_y)
+ min_y = point.y;
+ }
+
+ CHECK(max_y - min_y <= height);
+ }
+
+ SUBCASE("[Primitive][Capsule] If normal.y == 0, then mesh makes a cylinder.") {
+ Vector<Vector3> normals = data[RS::ARRAY_NORMAL];
+ for (int ii = 0; ii < points.size(); ++ii) {
+ float point_dist_from_yaxis = Math::sqrt(points[ii].x * points[ii].x + points[ii].z * points[ii].z);
+ Vector3 yaxis_to_point{ points[ii].x / point_dist_from_yaxis, 0.f, points[ii].z / point_dist_from_yaxis };
+ if (normals[ii].y == 0.f) {
+ float mag_of_normal = Math::sqrt(normals[ii].x * normals[ii].x + normals[ii].z * normals[ii].z);
+ Vector3 normalized_normal = normals[ii] / mag_of_normal;
+ CHECK_MESSAGE(point_dist_from_yaxis == doctest::Approx(radius),
+ "Points on the tube of the capsule are radius away from y-axis.");
+ CHECK_MESSAGE(normalized_normal.is_equal_approx(yaxis_to_point),
+ "Normal points orthogonal from mid cylinder.");
+ }
+ }
+ }
+ }
+} // End capsule tests
+
+TEST_CASE("[SceneTree][Primitive][Box] Box Primitive") {
+ Ref<BoxMesh> box = memnew(BoxMesh);
+
+ SUBCASE("[SceneTree][Primitive][Box] Default values should be valid") {
+ CHECK(box->get_size().x > 0);
+ CHECK(box->get_size().y > 0);
+ CHECK(box->get_size().z > 0);
+ CHECK(box->get_subdivide_width() >= 0);
+ CHECK(box->get_subdivide_height() >= 0);
+ CHECK(box->get_subdivide_depth() >= 0);
+ }
+
+ SUBCASE("[SceneTree][Primitive][Box] Set properties and get them with accessor methods") {
+ Vector3 size{ 2.1, 3.3, 1.7 };
+ box->set_size(size);
+ box->set_subdivide_width(3);
+ box->set_subdivide_height(2);
+ box->set_subdivide_depth(4);
+
+ CHECK(box->get_size().is_equal_approx(size));
+ CHECK(box->get_subdivide_width() == 3);
+ CHECK(box->get_subdivide_height() == 2);
+ CHECK(box->get_subdivide_depth() == 4);
+ }
+
+ SUBCASE("[SceneTree][Primitive][Box] Set subdivides to negative and ensure they are >= 0") {
+ box->set_subdivide_width(-2);
+ box->set_subdivide_height(-2);
+ box->set_subdivide_depth(-2);
+
+ CHECK(box->get_subdivide_width() >= 0);
+ CHECK(box->get_subdivide_height() >= 0);
+ CHECK(box->get_subdivide_depth() >= 0);
+ }
+
+ SUBCASE("[Primitive][Box] Check mesh is correct.") {
+ Array data{};
+ data.resize(RS::ARRAY_MAX);
+ Vector3 size{ 0.5f, 1.2f, .9f };
+ int subdivide_width{ 3 };
+ int subdivide_height{ 2 };
+ int subdivide_depth{ 8 };
+ BoxMesh::create_mesh_array(data, size, subdivide_width, subdivide_height, subdivide_depth);
+ Vector<Vector3> points = data[RS::ARRAY_VERTEX];
+ Vector<Vector3> normals = data[RS::ARRAY_NORMAL];
+
+ SUBCASE("Only 6 distinct normals.") {
+ Vector<Vector3> distinct_normals{};
+ distinct_normals.push_back(normals[0]);
+
+ for (const Vector3 &normal : normals) {
+ bool add_normal{ true };
+ for (const Vector3 &vec : distinct_normals) {
+ if (vec.is_equal_approx(normal))
+ add_normal = false;
+ }
+
+ if (add_normal)
+ distinct_normals.push_back(normal);
+ }
+
+ CHECK_MESSAGE(distinct_normals.size() == 6,
+ "There are exactly 6 distinct normals in the mesh data.");
+
+ // All normals are orthogonal, or pointing in same direction.
+ bool normal_correct_direction{ true };
+ for (int rowIndex = 0; rowIndex < distinct_normals.size(); ++rowIndex) {
+ for (int colIndex = rowIndex + 1; colIndex < distinct_normals.size(); ++colIndex) {
+ if (!Math::is_equal_approx(distinct_normals[rowIndex].normalized().dot(distinct_normals[colIndex].normalized()), 0) &&
+ !Math::is_equal_approx(distinct_normals[rowIndex].normalized().dot(distinct_normals[colIndex].normalized()), 1) &&
+ !Math::is_equal_approx(distinct_normals[rowIndex].normalized().dot(distinct_normals[colIndex].normalized()), -1)) {
+ normal_correct_direction = false;
+ break;
+ }
+ }
+ if (!normal_correct_direction)
+ break;
+ }
+
+ CHECK_MESSAGE(normal_correct_direction,
+ "All normals are either orthogonal or colinear.");
+ }
+ }
+} // End box tests
+
+TEST_CASE("[SceneTree][Primitive][Cylinder] Cylinder Primitive") {
+ Ref<CylinderMesh> cylinder = memnew(CylinderMesh);
+
+ SUBCASE("[SceneTree][Primitive][Cylinder] Default values should be valid") {
+ CHECK(cylinder->get_top_radius() > 0);
+ CHECK(cylinder->get_bottom_radius() > 0);
+ CHECK(cylinder->get_height() > 0);
+ CHECK(cylinder->get_radial_segments() > 0);
+ CHECK(cylinder->get_rings() > 0);
+ }
+
+ SUBCASE("[SceneTree][Primitive][Cylinder] Set properties and get them") {
+ cylinder->set_top_radius(4.3f);
+ cylinder->set_bottom_radius(1.2f);
+ cylinder->set_height(9.77f);
+ cylinder->set_radial_segments(12);
+ cylinder->set_rings(16);
+ cylinder->set_cap_top(false);
+ cylinder->set_cap_bottom(false);
+
+ CHECK(cylinder->get_top_radius() == doctest::Approx(4.3f));
+ CHECK(cylinder->get_bottom_radius() == doctest::Approx(1.2f));
+ CHECK(cylinder->get_height() == doctest::Approx(9.77f));
+ CHECK(cylinder->get_radial_segments() == 12);
+ CHECK(cylinder->get_rings() == 16);
+ CHECK(!cylinder->is_cap_top());
+ CHECK(!cylinder->is_cap_bottom());
+ }
+
+ SUBCASE("[SceneTree][Primitive][Cylinder] Ensure num segments is >= 0") {
+ cylinder->set_radial_segments(-12);
+ cylinder->set_rings(-16);
+
+ CHECK(cylinder->get_radial_segments() >= 0);
+ CHECK(cylinder->get_rings() >= 0);
+ }
+
+ SUBCASE("[Primitive][Cylinder] Actual cylinder mesh tests (top and bottom radius the same).") {
+ Array data{};
+ data.resize(RS::ARRAY_MAX);
+ real_t radius = .9f;
+ real_t height = 3.2f;
+ int radial_segments = 8;
+ int rings = 5;
+ bool top_cap = true;
+ bool bottom_cap = true;
+ CylinderMesh::create_mesh_array(data, radius, radius, height, radial_segments, rings, top_cap, bottom_cap);
+ Vector<Vector3> points = data[RS::ARRAY_VERTEX];
+ Vector<Vector3> normals = data[RS::ARRAY_NORMAL];
+
+ SUBCASE("[Primitive][Cylinder] Side points are radius away from y-axis.") {
+ bool is_radius_correct{ true };
+ for (int index = 0; index < normals.size(); ++index) {
+ if (Math::is_equal_approx(normals[index].y, 0)) {
+ if (!Math::is_equal_approx((points[index] - Vector3(0, points[index].y, 0)).length_squared(), radius * radius)) {
+ is_radius_correct = false;
+ break;
+ }
+ }
+ }
+
+ CHECK(is_radius_correct);
+ }
+
+ SUBCASE("[Primitive][Cylinder] Only possible normals point in direction of point or in positive/negative y direction.") {
+ bool is_correct_normals{ true };
+ for (int index = 0; index < normals.size(); ++index) {
+ Vector3 yaxis_to_point = points[index] - Vector3(0.f, points[index].y, 0.f);
+ Vector3 point_to_normal = normals[index].normalized() - yaxis_to_point.normalized();
+ // std::cout << "<" << point_to_normal.x << ", " << point_to_normal.y << ", " << point_to_normal.z << ">\n";
+ if (!(point_to_normal.is_equal_approx(Vector3(0, 0, 0))) &&
+ (!Math::is_equal_approx(Math::abs(normals[index].normalized().y), 1))) {
+ is_correct_normals = false;
+ break;
+ }
+ }
+
+ CHECK(is_correct_normals);
+ }
+
+ SUBCASE("[Primitive][Cylinder] Points on top and bottom are height/2 away from origin.") {
+ bool is_height_correct{ true };
+ real_t half_height = 0.5 * height;
+ for (int index = 0; index < normals.size(); ++index) {
+ if (Math::is_equal_approx(normals[index].x, 0) &&
+ Math::is_equal_approx(normals[index].z, 0) &&
+ normals[index].y > 0) {
+ if (!Math::is_equal_approx(points[index].y, half_height)) {
+ is_height_correct = false;
+ break;
+ }
+ }
+ if (Math::is_equal_approx(normals[index].x, 0) &&
+ Math::is_equal_approx(normals[index].z, 0) &&
+ normals[index].y < 0) {
+ if (!Math::is_equal_approx(points[index].y, -half_height)) {
+ is_height_correct = false;
+ break;
+ }
+ }
+ }
+
+ CHECK(is_height_correct);
+ }
+
+ SUBCASE("[Primitive][Cylinder] Does mesh obey cap parameters?") {
+ CylinderMesh::create_mesh_array(data, radius, radius, height, radial_segments, rings, top_cap, false);
+ points = data[RS::ARRAY_VERTEX];
+ normals = data[RS::ARRAY_NORMAL];
+ bool no_bottom_cap{ true };
+
+ for (int index = 0; index < normals.size(); ++index) {
+ if (Math::is_equal_approx(normals[index].x, 0) &&
+ Math::is_equal_approx(normals[index].z, 0) &&
+ normals[index].y < 0) {
+ no_bottom_cap = false;
+ break;
+ }
+ }
+
+ CHECK_MESSAGE(no_bottom_cap,
+ "Check there is no bottom cap.");
+
+ CylinderMesh::create_mesh_array(data, radius, radius, height, radial_segments, rings, false, bottom_cap);
+ points = data[RS::ARRAY_VERTEX];
+ normals = data[RS::ARRAY_NORMAL];
+ bool no_top_cap{ true };
+
+ for (int index = 0; index < normals.size(); ++index) {
+ if (Math::is_equal_approx(normals[index].x, 0) &&
+ Math::is_equal_approx(normals[index].z, 0) &&
+ normals[index].y > 0) {
+ no_top_cap = false;
+ break;
+ }
+ }
+
+ CHECK_MESSAGE(no_top_cap,
+ "Check there is no top cap.");
+ }
+ }
+
+ SUBCASE("[Primitive][Cylinder] Slanted cylinder mesh (top and bottom radius different).") {
+ Array data{};
+ data.resize(RS::ARRAY_MAX);
+ real_t top_radius = 2.f;
+ real_t bottom_radius = 1.f;
+ real_t height = 1.f;
+ int radial_segments = 8;
+ int rings = 5;
+ CylinderMesh::create_mesh_array(data, top_radius, bottom_radius, height, radial_segments, rings, false, false);
+ Vector<Vector3> points = data[RS::ARRAY_VERTEX];
+ Vector<Vector3> normals = data[RS::ARRAY_NORMAL];
+
+ SUBCASE("[Primitive][Cylinder] Side points lie correct distance from y-axis") {
+ bool is_radius_correct{ true };
+ for (int index = 0; index < points.size(); ++index) {
+ real_t radius = ((top_radius - bottom_radius) / height) * (points[index].y - 0.5 * height) + top_radius;
+ Vector3 distance_to_yaxis = points[index] - Vector3(0.f, points[index].y, 0.f);
+ if (!Math::is_equal_approx(distance_to_yaxis.length_squared(), radius * radius)) {
+ is_radius_correct = false;
+ break;
+ }
+ }
+
+ CHECK(is_radius_correct);
+ }
+
+ SUBCASE("[Primitive][Cylinder] Normal on side is orthogonal to side tangent vector") {
+ bool is_normal_correct{ true };
+ for (int index = 0; index < points.size(); ++index) {
+ Vector3 yaxis_to_point = points[index] - Vector3(0.f, points[index].y, 0.f);
+ Vector3 yaxis_to_rb = yaxis_to_point.normalized() * bottom_radius;
+ Vector3 rb_to_point = yaxis_to_point - yaxis_to_rb;
+ Vector3 y_to_bottom = -Vector3(0.f, points[index].y + 0.5 * height, 0.f);
+ Vector3 side_tangent = rb_to_point - y_to_bottom;
+
+ if (!Math::is_equal_approx(normals[index].dot(side_tangent), 0)) {
+ is_normal_correct = false;
+ break;
+ }
+ }
+
+ CHECK(is_normal_correct);
+ }
+ }
+
+} // End cylinder tests
+
+TEST_CASE("[SceneTree][Primitive][Plane] Plane Primitive") {
+ Ref<PlaneMesh> plane = memnew(PlaneMesh);
+
+ SUBCASE("[SceneTree][Primitive][Plane] Default values should be valid") {
+ CHECK(plane->get_size().x > 0);
+ CHECK(plane->get_size().y > 0);
+ CHECK(plane->get_subdivide_width() >= 0);
+ CHECK(plane->get_subdivide_depth() >= 0);
+ CHECK((plane->get_orientation() == PlaneMesh::FACE_X || plane->get_orientation() == PlaneMesh::FACE_Y || plane->get_orientation() == PlaneMesh::FACE_Z));
+ }
+
+ SUBCASE("[SceneTree][Primitive][Plane] Set properties and get them.") {
+ Size2 size{ 3.2, 1.8 };
+ Vector3 offset{ -7.3, 0.4, -1.7 };
+ plane->set_size(size);
+ plane->set_subdivide_width(15);
+ plane->set_subdivide_depth(29);
+ plane->set_center_offset(offset);
+ plane->set_orientation(PlaneMesh::FACE_X);
+
+ CHECK(plane->get_size().is_equal_approx(size));
+ CHECK(plane->get_subdivide_width() == 15);
+ CHECK(plane->get_subdivide_depth() == 29);
+ CHECK(plane->get_center_offset().is_equal_approx(offset));
+ CHECK(plane->get_orientation() == PlaneMesh::FACE_X);
+ }
+
+ SUBCASE("[SceneTree][Primitive][Plane] Ensure number of segments is >= 0.") {
+ plane->set_subdivide_width(-15);
+ plane->set_subdivide_depth(-29);
+
+ CHECK(plane->get_subdivide_width() >= 0);
+ CHECK(plane->get_subdivide_depth() >= 0);
+ }
+}
+
+TEST_CASE("[SceneTree][Primitive][Quad] QuadMesh Primitive") {
+ Ref<QuadMesh> quad = memnew(QuadMesh);
+
+ SUBCASE("[Primitive][Quad] Orientation on initialization is in z direction") {
+ CHECK(quad->get_orientation() == PlaneMesh::FACE_Z);
+ }
+}
+
+TEST_CASE("[SceneTree][Primitive][Prism] Prism Primitive") {
+ Ref<PrismMesh> prism = memnew(PrismMesh);
+
+ SUBCASE("[Primitive][Prism] There are valid values of properties on initialization.") {
+ CHECK(prism->get_left_to_right() >= 0);
+ CHECK(prism->get_size().x >= 0);
+ CHECK(prism->get_size().y >= 0);
+ CHECK(prism->get_size().z >= 0);
+ CHECK(prism->get_subdivide_width() >= 0);
+ CHECK(prism->get_subdivide_height() >= 0);
+ CHECK(prism->get_subdivide_depth() >= 0);
+ }
+
+ SUBCASE("[Primitive][Prism] Are able to change prism properties.") {
+ Vector3 size{ 4.3, 9.1, 0.43 };
+ prism->set_left_to_right(3.4f);
+ prism->set_size(size);
+ prism->set_subdivide_width(36);
+ prism->set_subdivide_height(5);
+ prism->set_subdivide_depth(64);
+
+ CHECK(prism->get_left_to_right() == doctest::Approx(3.4f));
+ CHECK(prism->get_size().is_equal_approx(size));
+ CHECK(prism->get_subdivide_width() == 36);
+ CHECK(prism->get_subdivide_height() == 5);
+ CHECK(prism->get_subdivide_depth() == 64);
+ }
+
+ SUBCASE("[Primitive][Prism] Ensure number of segments always >= 0") {
+ prism->set_subdivide_width(-36);
+ prism->set_subdivide_height(-5);
+ prism->set_subdivide_depth(-64);
+
+ CHECK(prism->get_subdivide_width() >= 0);
+ CHECK(prism->get_subdivide_height() >= 0);
+ CHECK(prism->get_subdivide_depth() >= 0);
+ }
+}
+
+TEST_CASE("[SceneTree][Primitive][Sphere] Sphere Primitive") {
+ Ref<SphereMesh> sphere = memnew(SphereMesh);
+
+ SUBCASE("[Primitive][Sphere] There are valid values of properties on initialization.") {
+ CHECK(sphere->get_radius() >= 0);
+ CHECK(sphere->get_height() >= 0);
+ CHECK(sphere->get_radial_segments() >= 0);
+ CHECK(sphere->get_rings() >= 0);
+ }
+
+ SUBCASE("[Primitive][Sphere] Are able to change prism properties.") {
+ sphere->set_radius(3.4f);
+ sphere->set_height(2.2f);
+ sphere->set_radial_segments(36);
+ sphere->set_rings(5);
+ sphere->set_is_hemisphere(true);
+
+ CHECK(sphere->get_radius() == doctest::Approx(3.4f));
+ CHECK(sphere->get_height() == doctest::Approx(2.2f));
+ CHECK(sphere->get_radial_segments() == 36);
+ CHECK(sphere->get_rings() == 5);
+ CHECK(sphere->get_is_hemisphere());
+ }
+
+ SUBCASE("[Primitive][Sphere] Ensure number of segments always >= 0") {
+ sphere->set_radial_segments(-36);
+ sphere->set_rings(-5);
+
+ CHECK(sphere->get_radial_segments() >= 0);
+ CHECK(sphere->get_rings() >= 0);
+ }
+
+ SUBCASE("[Primitive][Sphere] Sphere mesh tests.") {
+ Array data{};
+ data.resize(RS::ARRAY_MAX);
+ real_t radius = 1.1f;
+ int radial_segments = 8;
+ int rings = 5;
+ SphereMesh::create_mesh_array(data, radius, 2 * radius, radial_segments, rings);
+ Vector<Vector3> points = data[RS::ARRAY_VERTEX];
+ Vector<Vector3> normals = data[RS::ARRAY_NORMAL];
+
+ SUBCASE("[Primitive][Sphere] All points lie radius away from origin.") {
+ bool is_radius_correct = true;
+ for (Vector3 point : points) {
+ if (!Math::is_equal_approx(point.length_squared(), radius * radius)) {
+ is_radius_correct = false;
+ break;
+ }
+ }
+
+ CHECK(is_radius_correct);
+ }
+
+ SUBCASE("[Primitive][Sphere] All normals lie in direction of corresponding point.") {
+ bool is_normals_correct = true;
+ for (int index = 0; index < points.size(); ++index) {
+ if (!Math::is_equal_approx(normals[index].normalized().dot(points[index].normalized()), 1)) {
+ is_normals_correct = false;
+ break;
+ }
+ }
+
+ CHECK(is_normals_correct);
+ }
+ }
+}
+
+TEST_CASE("[SceneTree][Primitive][Torus] Torus Primitive") {
+ Ref<TorusMesh> torus = memnew(TorusMesh);
+ Ref<PrimitiveMesh> prim = memnew(PrimitiveMesh);
+
+ SUBCASE("[Primitive][Torus] There are valid values of properties on initialization.") {
+ CHECK(torus->get_inner_radius() > 0);
+ CHECK(torus->get_outer_radius() > 0);
+ CHECK(torus->get_rings() >= 0);
+ CHECK(torus->get_ring_segments() >= 0);
+ }
+
+ SUBCASE("[Primitive][Torus] Are able to change properties.") {
+ torus->set_inner_radius(3.2f);
+ torus->set_outer_radius(9.5f);
+ torus->set_rings(19);
+ torus->set_ring_segments(43);
+
+ CHECK(torus->get_inner_radius() == doctest::Approx(3.2f));
+ CHECK(torus->get_outer_radius() == doctest::Approx(9.5f));
+ CHECK(torus->get_rings() == 19);
+ CHECK(torus->get_ring_segments() == 43);
+ }
+}
+
+TEST_CASE("[SceneTree][Primitive][TubeTrail] TubeTrail Primitive") {
+ Ref<TubeTrailMesh> tube = memnew(TubeTrailMesh);
+
+ SUBCASE("[Primitive][TubeTrail] There are valid values of properties on initialization.") {
+ CHECK(tube->get_radius() > 0);
+ CHECK(tube->get_radial_steps() >= 0);
+ CHECK(tube->get_sections() >= 0);
+ CHECK(tube->get_section_length() > 0);
+ CHECK(tube->get_section_rings() >= 0);
+ CHECK(tube->get_curve() == nullptr);
+ CHECK(tube->get_builtin_bind_pose_count() >= 0);
+ }
+
+ SUBCASE("[Primitive][TubeTrail] Are able to change properties.") {
+ tube->set_radius(7.2f);
+ tube->set_radial_steps(9);
+ tube->set_sections(33);
+ tube->set_section_length(5.5f);
+ tube->set_section_rings(12);
+ Ref<Curve> curve = memnew(Curve);
+ tube->set_curve(curve);
+
+ CHECK(tube->get_radius() == doctest::Approx(7.2f));
+ CHECK(tube->get_section_length() == doctest::Approx(5.5f));
+ CHECK(tube->get_radial_steps() == 9);
+ CHECK(tube->get_sections() == 33);
+ CHECK(tube->get_section_rings() == 12);
+ CHECK(tube->get_curve() == curve);
+ }
+
+ SUBCASE("[Primitive][TubeTrail] Setting same curve more than once, it remains the same.") {
+ Ref<Curve> curve = memnew(Curve);
+ tube->set_curve(curve);
+ tube->set_curve(curve);
+ tube->set_curve(curve);
+
+ CHECK(tube->get_curve() == curve);
+ }
+
+ SUBCASE("[Primitive][TubeTrail] Setting curve, then changing to different curve.") {
+ Ref<Curve> curve1 = memnew(Curve);
+ Ref<Curve> curve2 = memnew(Curve);
+ tube->set_curve(curve1);
+ CHECK(tube->get_curve() == curve1);
+
+ tube->set_curve(curve2);
+ CHECK(tube->get_curve() == curve2);
+ }
+
+ SUBCASE("[Primitive][TubeTrail] Assign same curve to two different tube trails") {
+ Ref<TubeTrailMesh> tube2 = memnew(TubeTrailMesh);
+ Ref<Curve> curve = memnew(Curve);
+ tube->set_curve(curve);
+ tube2->set_curve(curve);
+
+ CHECK(tube->get_curve() == curve);
+ CHECK(tube2->get_curve() == curve);
+ }
+}
+
+TEST_CASE("[SceneTree][Primitive][RibbonTrail] RibbonTrail Primitive") {
+ Ref<RibbonTrailMesh> ribbon = memnew(RibbonTrailMesh);
+
+ SUBCASE("[Primitive][RibbonTrail] There are valid values of properties on initialization.") {
+ CHECK(ribbon->get_size() > 0);
+ CHECK(ribbon->get_sections() >= 0);
+ CHECK(ribbon->get_section_length() > 0);
+ CHECK(ribbon->get_section_segments() >= 0);
+ CHECK(ribbon->get_builtin_bind_pose_count() >= 0);
+ CHECK(ribbon->get_curve() == nullptr);
+ CHECK((ribbon->get_shape() == RibbonTrailMesh::SHAPE_CROSS ||
+ ribbon->get_shape() == RibbonTrailMesh::SHAPE_FLAT));
+ }
+
+ SUBCASE("[Primitive][RibbonTrail] Able to change properties.") {
+ Ref<Curve> curve = memnew(Curve);
+ ribbon->set_size(4.3f);
+ ribbon->set_sections(16);
+ ribbon->set_section_length(1.3f);
+ ribbon->set_section_segments(9);
+ ribbon->set_curve(curve);
+
+ CHECK(ribbon->get_size() == doctest::Approx(4.3f));
+ CHECK(ribbon->get_section_length() == doctest::Approx(1.3f));
+ CHECK(ribbon->get_sections() == 16);
+ CHECK(ribbon->get_section_segments() == 9);
+ CHECK(ribbon->get_curve() == curve);
+ }
+
+ SUBCASE("[Primitive][RibbonTrail] Setting same curve more than once, it remains the same.") {
+ Ref<Curve> curve = memnew(Curve);
+ ribbon->set_curve(curve);
+ ribbon->set_curve(curve);
+ ribbon->set_curve(curve);
+
+ CHECK(ribbon->get_curve() == curve);
+ }
+
+ SUBCASE("[Primitive][RibbonTrail] Setting curve, then changing to different curve.") {
+ Ref<Curve> curve1 = memnew(Curve);
+ Ref<Curve> curve2 = memnew(Curve);
+ ribbon->set_curve(curve1);
+ CHECK(ribbon->get_curve() == curve1);
+
+ ribbon->set_curve(curve2);
+ CHECK(ribbon->get_curve() == curve2);
+ }
+
+ SUBCASE("[Primitive][RibbonTrail] Assign same curve to two different ribbon trails") {
+ Ref<RibbonTrailMesh> ribbon2 = memnew(RibbonTrailMesh);
+ Ref<Curve> curve = memnew(Curve);
+ ribbon->set_curve(curve);
+ ribbon2->set_curve(curve);
+
+ CHECK(ribbon->get_curve() == curve);
+ CHECK(ribbon2->get_curve() == curve);
+ }
+}
+
+TEST_CASE("[SceneTree][Primitive][Text] Text Primitive") {
+ Ref<TextMesh> text = memnew(TextMesh);
+
+ SUBCASE("[Primitive][Text] There are valid values of properties on initialization.") {
+ CHECK((text->get_horizontal_alignment() == HORIZONTAL_ALIGNMENT_CENTER ||
+ text->get_horizontal_alignment() == HORIZONTAL_ALIGNMENT_LEFT ||
+ text->get_horizontal_alignment() == HORIZONTAL_ALIGNMENT_RIGHT ||
+ text->get_horizontal_alignment() == HORIZONTAL_ALIGNMENT_FILL));
+ CHECK((text->get_vertical_alignment() == VERTICAL_ALIGNMENT_BOTTOM ||
+ text->get_vertical_alignment() == VERTICAL_ALIGNMENT_TOP ||
+ text->get_vertical_alignment() == VERTICAL_ALIGNMENT_CENTER ||
+ text->get_vertical_alignment() == VERTICAL_ALIGNMENT_FILL));
+ CHECK(text->get_font() == nullptr);
+ CHECK(text->get_font_size() > 0);
+ CHECK(text->get_line_spacing() >= 0);
+ CHECK((text->get_autowrap_mode() == TextServer::AUTOWRAP_OFF ||
+ text->get_autowrap_mode() == TextServer::AUTOWRAP_ARBITRARY ||
+ text->get_autowrap_mode() == TextServer::AUTOWRAP_WORD ||
+ text->get_autowrap_mode() == TextServer::AUTOWRAP_WORD_SMART));
+ CHECK((text->get_text_direction() == TextServer::DIRECTION_AUTO ||
+ text->get_text_direction() == TextServer::DIRECTION_LTR ||
+ text->get_text_direction() == TextServer::DIRECTION_RTL));
+ CHECK((text->get_structured_text_bidi_override() == TextServer::STRUCTURED_TEXT_DEFAULT ||
+ text->get_structured_text_bidi_override() == TextServer::STRUCTURED_TEXT_URI ||
+ text->get_structured_text_bidi_override() == TextServer::STRUCTURED_TEXT_FILE ||
+ text->get_structured_text_bidi_override() == TextServer::STRUCTURED_TEXT_EMAIL ||
+ text->get_structured_text_bidi_override() == TextServer::STRUCTURED_TEXT_LIST ||
+ text->get_structured_text_bidi_override() == TextServer::STRUCTURED_TEXT_NONE ||
+ text->get_structured_text_bidi_override() == TextServer::STRUCTURED_TEXT_CUSTOM));
+ CHECK(text->get_structured_text_bidi_override_options().size() >= 0);
+ CHECK(text->get_width() > 0);
+ CHECK(text->get_depth() > 0);
+ CHECK(text->get_curve_step() > 0);
+ CHECK(text->get_pixel_size() > 0);
+ }
+
+ SUBCASE("[Primitive][Text] Change the properties of the mesh.") {
+ Ref<Font> font = memnew(Font);
+ Array options{};
+ Point2 offset{ 30.8, 104.23 };
+ text->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_RIGHT);
+ text->set_vertical_alignment(VERTICAL_ALIGNMENT_BOTTOM);
+ text->set_text("Hello");
+ text->set_font(font);
+ text->set_font_size(12);
+ text->set_line_spacing(1.7f);
+ text->set_autowrap_mode(TextServer::AUTOWRAP_WORD_SMART);
+ text->set_text_direction(TextServer::DIRECTION_RTL);
+ text->set_language("French");
+ text->set_structured_text_bidi_override(TextServer::STRUCTURED_TEXT_EMAIL);
+ text->set_structured_text_bidi_override_options(options);
+ text->set_uppercase(true);
+ real_t width{ 0.6 };
+ real_t depth{ 1.7 };
+ real_t pixel_size{ 2.8 };
+ real_t curve_step{ 4.8 };
+ text->set_width(width);
+ text->set_depth(depth);
+ text->set_curve_step(curve_step);
+ text->set_pixel_size(pixel_size);
+ text->set_offset(offset);
+
+ CHECK(text->get_horizontal_alignment() == HORIZONTAL_ALIGNMENT_RIGHT);
+ CHECK(text->get_vertical_alignment() == VERTICAL_ALIGNMENT_BOTTOM);
+ CHECK(text->get_text_direction() == TextServer::DIRECTION_RTL);
+ CHECK(text->get_text() == "Hello");
+ CHECK(text->get_font() == font);
+ CHECK(text->get_font_size() == 12);
+ CHECK(text->get_autowrap_mode() == TextServer::AUTOWRAP_WORD_SMART);
+ CHECK(text->get_language() == "French");
+ CHECK(text->get_structured_text_bidi_override() == TextServer::STRUCTURED_TEXT_EMAIL);
+ CHECK(text->get_structured_text_bidi_override_options() == options);
+ CHECK(text->is_uppercase() == true);
+ CHECK(text->get_offset() == offset);
+ CHECK(text->get_line_spacing() == doctest::Approx(1.7f));
+ CHECK(text->get_width() == doctest::Approx(width));
+ CHECK(text->get_depth() == doctest::Approx(depth));
+ CHECK(text->get_curve_step() == doctest::Approx(curve_step));
+ CHECK(text->get_pixel_size() == doctest::Approx(pixel_size));
+ }
+
+ SUBCASE("[Primitive][Text] Set objects multiple times.") {
+ Ref<Font> font = memnew(Font);
+ Array options{};
+ Point2 offset{ 30.8, 104.23 };
+
+ text->set_font(font);
+ text->set_font(font);
+ text->set_font(font);
+ text->set_structured_text_bidi_override_options(options);
+ text->set_structured_text_bidi_override_options(options);
+ text->set_structured_text_bidi_override_options(options);
+ text->set_offset(offset);
+ text->set_offset(offset);
+ text->set_offset(offset);
+
+ CHECK(text->get_font() == font);
+ CHECK(text->get_structured_text_bidi_override_options() == options);
+ CHECK(text->get_offset() == offset);
+ }
+
+ SUBCASE("[Primitive][Text] Set then change objects.") {
+ Ref<Font> font1 = memnew(Font);
+ Ref<Font> font2 = memnew(Font);
+ Array options1{};
+ Array options2{};
+ Point2 offset1{ 30.8, 104.23 };
+ Point2 offset2{ -30.8, -104.23 };
+
+ text->set_font(font1);
+ text->set_structured_text_bidi_override_options(options1);
+ text->set_offset(offset1);
+
+ CHECK(text->get_font() == font1);
+ CHECK(text->get_structured_text_bidi_override_options() == options1);
+ CHECK(text->get_offset() == offset1);
+
+ text->set_font(font2);
+ text->set_structured_text_bidi_override_options(options2);
+ text->set_offset(offset2);
+
+ CHECK(text->get_font() == font2);
+ CHECK(text->get_structured_text_bidi_override_options() == options2);
+ CHECK(text->get_offset() == offset2);
+ }
+
+ SUBCASE("[Primitive][Text] Assign same font to two Textmeshes.") {
+ Ref<TextMesh> text2 = memnew(TextMesh);
+ Ref<Font> font = memnew(Font);
+
+ text->set_font(font);
+ text2->set_font(font);
+
+ CHECK(text->get_font() == font);
+ CHECK(text2->get_font() == font);
+ }
+}
+
+} // namespace TestPrimitives
+
+#endif // TEST_PRIMITIVES_H