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/*
* Copyright (C) Oscar Shrimpton 2020
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
use stockton_input::{Axis, InputManager};
use stockton_types::components::Transform;
use stockton_types::Vector3;
use crate::delta_time::Timing;
pub trait FlycamInput {
fn get_x_axis(&self) -> &Axis;
fn get_y_axis(&self) -> &Axis;
fn get_z_axis(&self) -> &Axis;
}
pub struct FlycamControlled {
pub speed: f32,
}
#[system(for_each)]
pub fn flycam_move<T>(
#[resource] manager: &T,
#[resource] timing: &Timing,
transform: &mut Transform,
flycam: &FlycamControlled,
) where
T: 'static + InputManager,
T::Inputs: FlycamInput,
{
// TODO: Deal with looking around
let inputs = manager.get_inputs();
let speed = flycam.speed;
let impulse = Vector3::new(
**inputs.get_x_axis() as f32 * speed * timing.delta_time,
**inputs.get_y_axis() as f32 * speed * timing.delta_time,
**inputs.get_z_axis() as f32 * speed * timing.delta_time,
);
transform.position += impulse;
}
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