added the readme

tFunctions.h

@@ -0,0 +1,64 @@
+#ifndef T_FUNCTIONS
+#define T_FUNCTIONS
+
+#include <iostream>
+#include <random>
+#include <vector>
+#include <optional>
+
+#include<glad/glad.h>
+#include<GLFW/glfw3.h>
+#include<glm/glm.hpp>
+#include<glm/gtc/matrix_transform.hpp>
+#include<glm/gtc/type_ptr.hpp>
+
+#include "t.h"
+#include "Structures.h"
+
+struct TInTInfo {
+	glm::vec3 POI;
+	glm::vec3 CN;
+	float overlap;
+};
+
+struct AxisCollisionCN {
+	float overlap;
+	bool infront;
+	glm::vec3 POI;
+};
+
+glm::vec3 CalculateTriangleNormal(Triangle t);
+
+float Magnitude2(const glm::vec3& v);
+
+float Magnitude(const glm::vec3& v);
+
+float SquaredPerpendicularMagnitude(glm::vec3 off, glm::vec3 line);
+
+float VolumeOfTriangle(glm::vec3 p1, glm::vec3 p2, glm::vec3 p3);
+std::optional<glm::vec3> RayIntersectsTriangle(const Ray& ray,
+	const Triangle triangle);
+
+std::optional<glm::vec3> IsRayInT(const Ray& ray, t& t);
+bool IsRayInTBool(const Ray& ray, t& t);
+
+bool BoundingBoxInBoundingBox(const BoundingBox bb1, const BoundingBox bb2);
+bool BoundingAxisInBoundingAxis(BoundingAxis ba1, BoundingAxis ba2);
+
+bool TAxisCollidesTNoInfo(std::vector < glm::vec3 >& t1, std::vector < glm::vec3 >& t2, glm::vec3 axis);
+std::optional<std::pair<float, glm::vec3>> TAxisCollidesT(std::vector < glm::vec3 >& t1, std::vector < glm::vec3 >& t2, glm::vec3 axis);
+std::optional<AxisCollisionCN> TAxisCollidesTCN(std::vector < glm::vec3 >& t1, std::vector < glm::vec3 >& t2, glm::vec3 axis);
+
+bool TNearT(t& t1, t& t22);
+std::optional<TInTInfo> TInT(t& t1, t& t2);
+bool TInTNoInfo(t& t1, t& t2);
+
+glm::quat AngleAxis(glm::vec3 axis, float angle);
+glm::vec3 LookAtVector(glm::vec3 start, glm::vec3 end);
+
+glm::quat RotationBetweenVectors(glm::vec3 start, glm::vec3 dest);
+glm::quat LookAt(glm::vec3 direction);
+
+glm::quat LookAt(glm::vec3 start, glm::vec3 end);
+
+#endif