first commit of some basics

TSE_Math/src/Mesh.cpp

@@ -0,0 +1,78 @@
+#include "Mesh.hpp"
+#include "MathF.hpp"
+#include <cmath>
+
+TSE::Mesh::Mesh()
+{
+    name = "";
+}
+
+TSE::Mesh::Mesh(string _name, const std::vector<Vector3> &_vertecies, const std::vector<ushort> &_indecies, const std::vector<Vector2> &_uvs)
+{
+    name = _name;
+    vertecies = std::move(_vertecies);
+    indecies = std::move(_indecies);
+    uvs = std::move(_uvs);
+}
+
+size_t TSE::Mesh::IndeciesCount() const
+{
+    return indecies.size();
+}
+
+size_t TSE::Mesh::VerteciesCount() const
+{
+    return vertecies.size();
+}
+
+TSE::Mesh TSE::Mesh::GetCircleMesh(ushort segments)
+{
+    std::vector<Vector3> verts;
+    std::vector<ushort> indices;
+    std::vector<Vector2> uvs;
+
+    verts.emplace_back(0.0f, 0.0f, 0.0f);
+    uvs.emplace_back(0.5f, 0.5f);
+
+    float angleStep = 2.0f * TSE_PI / segments;
+
+    for (int i = 0; i <= segments; ++i) {
+        float angle = i * angleStep;
+        float x = std::cos(angle) * 0.5f;
+        float y = std::sin(angle) * 0.5f;
+        verts.emplace_back(x, y, 0);
+        uvs.emplace_back(x + 0.5f, y + 0.5f);
+
+        if (i > 0) {
+            indices.push_back(0);
+            indices.push_back(i);
+            indices.push_back(i + 1);
+        }
+    }
+
+    return Mesh("Circle", verts, indices, uvs);
+}
+
+TSE::Mesh TSE::Mesh::GetQuadMesh()
+{
+    std::vector<Vector3> verts = {
+        Vector3(-0.5f, -0.5f, 0),
+        Vector3( 0.5f, -0.5f, 0),
+        Vector3( 0.5f,  0.5f, 0),
+        Vector3(-0.5f,  0.5f, 0)
+    };
+
+    std::vector<Vector2> uvs = {
+        Vector2(0.0f, 0.0f),
+        Vector2(1.0f, 0.0f),
+        Vector2(1.0f, 1.0f),
+        Vector2(0.0f, 1.0f)
+    };
+
+    std::vector<unsigned short> indices = {
+        0, 1, 2,
+        2, 3, 0
+    };
+
+    return Mesh("Quad", verts, indices, uvs);
+}