feat: debut de la physique, ajout de la gravite

enginecustom/physics.cpp

@@ -0,0 +1,32 @@
+#include "physics.h"
+
+Physics::Physics()
+{
+	m_gravity = -9.81f;
+}
+
+
+Physics::Physics(const Physics& other)
+{
+	m_gravity = other.m_gravity; // Copy gravity value from the other object
+}
+
+
+Physics::~Physics()
+{
+}
+
+float Physics::GetGravity() // Changed the method to return the gravity value
+{
+	return m_gravity;
+}
+
+void Physics::ApplyGravity(Object* object, float frameTime)
+{
+	// Update the position of the object by adding the change in position due to gravity.
+	XMVECTOR position = object->GetPosition(); // Get the current position
+	position = XMVectorSetY(position, XMVectorGetY(position) + m_gravity * frameTime); // Update the y value
+	object->SetPosition(position); // Set the updated position
+
+	return;
+}