use cgmath::Point2;
use galactica_content::Content;
use galactica_world::{ParticleBuilder, ShipPhysicsHandle, World};

/// Bundles parameters passed to a single call to GPUState::render
pub struct RenderState<'a> {
	/// Camera position, in world units
	pub camera_pos: Point2<f32>,

	/// Player ship
	pub player: &'a ShipPhysicsHandle,

	/// Height of screen, in world units
	pub camera_zoom: f32,

	/// The world state to render
	pub world: &'a World,

	// TODO: handle overflow. is it a problem?
	/// The current time, in seconds
	pub current_time: f32,

	/// Game content
	pub content: &'a Content,

	/// Particles to spawn during this frame
	pub particles: &'a mut Vec<ParticleBuilder>,
}