add missing files

src/core/tests/pwcore_test_mesh.cpp

@@ -0,0 +1,47 @@
+#include <pw/core/vector.hpp>
+#include <pw/core/serialize.hpp>
+#include <pw/core/transform_tools.hpp>
+#include <pw/core/mesh.hpp>
+#include <pw/core/axisangle.hpp>
+
+#include <iostream>
+
+int main(int argc,char **argv) {
+
+    pw::mesh amesh;
+
+    pw::mesh::vertex3array_t vs = { {-1,-1,0},{1,-1,0},{0,1,0} };
+    amesh.set_vertices(vs);
+
+    for (auto v : amesh.vertices()) {
+        std::cout << pw::serialize::matrix(v.transposed()) << std::endl;
+    }
+
+    auto scale = pw::transform_tools<float>::scale_matrix({2,2,2});
+
+    amesh.apply(scale);
+
+    std::cout << "after scale" << std::endl;
+
+    for (auto v : amesh.vertices()) {
+        std::cout << pw::serialize::matrix(v.transposed()) << std::endl;
+    }
+
+    pw::axisangle aa;
+
+    aa.axis = pw::vector3({ 0, 0, 1 });
+    aa.angle = pw::deg_to_rad(90.0f);
+
+    auto rot_mat = aa.to_matrix();
+
+    amesh.apply(rot_mat);
+
+    std::cout << "after rotate" << std::endl;
+
+    for (auto v : amesh.vertices()) {
+        std::cout << pw::serialize::matrix(v.transposed()) << std::endl;
+    }
+
+
+
+}

src/core/tests/pwcore_test_transform_tools.cpp

@@ -0,0 +1,18 @@
+
+#include <pw/core/vector.hpp>
+#include <pw/core/serialize.hpp>
+#include <pw/core/transform_tools.hpp>
+
+#include <iostream>
+
+int main(int argc,char **argv) {
+
+    auto perspective_mat = pw::transform_tools<float>::perspective_projection(45.f,1.3f,10,100);
+    auto ortho_mat = pw::transform_tools<float>::orthogonal_projection(-1,1,1,-1,10,100);
+    auto lookat_mat = pw::transform_tools<float>::look_at(pw::vector3(0,0,5),pw::vector3(0,0,0),pw::vector3(0,1,0));
+
+
+    std::cout << pw::serialize::matrix(perspective_mat) << std::endl;
+    std::cout << pw::serialize::matrix(ortho_mat) << std::endl;
+    std::cout << pw::serialize::matrix(lookat_mat) << std::endl;
+}