package ecs 

Vec3 :: distinct [3]f32

Gravity :: struct {
    force: Vec3 
}

RigidBody :: struct {
    velocity: Vec3,
    acceleration: Vec3,
}

Transform :: struct {
    position: Vec3,
    rotation: Vec3,
    scale: Vec3,
}

PhysicsSystem :: struct {
   using base: SystemBase,
}


physics_system_update :: proc(physics_system: ^PhysicsSystem, coordinator: ^Coordinator, dt: f32) {
    for entity in physics_system.entities {
        rigid_body := coordinator_get_component(RigidBody, coordinator, entity)
        transform := coordinator_get_component(Transform, coordinator, entity)
        gravity := coordinator_get_component(Gravity, coordinator, entity)

        transform.position += rigid_body.velocity * dt
        rigid_body.velocity += gravity.force * dt
    }
}