How do I implement physics in a C++ game?

How do I implement physics in a C++ game?

To implement physics in a C++ game, you can use libraries like Box2D or Bullet Physics. Do you have a specific library in mind?

I was thinking about using Box2D. What are the first steps?

First, you need to install Box2D and set up your project. Then, create a physics world and define your objects with bodies and shapes.

Can you give me an example of creating a simple box in Box2D?

Sure! Here's a basic example:

b2World world(b2Vec2(0, -10)); // Create a world with gravity

b2BodyDef bodyDef;
bodyDef.type = b2_dynamicBody;
bodyDef.position.Set(0, 10);

b2Body* body = world.CreateBody(&bodyDef);

b2PolygonShape box;
box.SetAsBox(1, 1);

body->CreateFixture(&box, 1.0f); // Create a box fixture

Thanks! How do I handle collisions?

You can handle collisions by implementing the BeginContact method in a contact listener. This allows you to respond when two bodies collide.