Files
Trac3r-rust/src/drawables/sprite.rs

111 lines
3.5 KiB
Rust

use std::sync::Arc;
use crate::canvas::*;
use crate::canvas::managed::handles::{CanvasFontHandle, CanvasImageHandle, CanvasTextureHandle, Handle};
use crate::canvas::canvas_frame::{Drawable};
use crate::util::vertex::{VertexTypeContainer, TextureVertex3D, Vertex3D};
use winit::event::{DeviceEvent, MouseButton, ElementState, Event, WindowEvent};
use crate::util::tr_event::{TrEvent, TrWindowEvent, TrUIEvent};
///
#[derive(Debug, Clone)]
pub struct Sprite {
texture_handle: Arc<CanvasTextureHandle>,
}
/// Container class which implements drawable.
impl Sprite {
fn generate_verts(
window_size: (u32, u32),
position: (f32, f32),
size: (f32, f32),
depth: f32,
) -> Vec<TextureVertex3D> {
let ss_position = (
position.0 / window_size.0 as f32 - 1.0,
position.1 / window_size.1 as f32 - 1.0
);
let ss_size = (
size.0 / window_size.0 as f32,
size.1 / window_size.1 as f32
);
vec![
TextureVertex3D {
v_position: [ss_position.0, ss_position.1, depth], // top left
ti_position: [-0.0, -0.0],
},
TextureVertex3D {
v_position: [ss_position.0, ss_position.1 + ss_size.1, depth], // bottom left
ti_position: [-0.0, 1.0],
},
TextureVertex3D {
v_position: [ss_position.0 + ss_size.0, ss_position.1 + ss_size.1, depth], // bottom right
ti_position: [1.0, 1.0],
},
TextureVertex3D {
v_position: [ss_position.0, ss_position.1, depth], // top left
ti_position: [-0.0, -0.0],
},
TextureVertex3D {
v_position: [ss_position.0 + ss_size.0, ss_position.1 + ss_size.1, depth], // bottom right
ti_position: [1.0, 1.0],
},
TextureVertex3D {
v_position: [ss_position.0 + ss_size.0, ss_position.1, depth], // top right
ti_position: [1.0, -0.0],
},
]
}
///
pub fn new(texture_handle: Arc<CanvasTextureHandle>) -> Sprite {
Sprite {
texture_handle: texture_handle.clone(),
}
}
}
impl Drawable for Sprite {
fn render(&self,
window_size: (u32, u32),
position: (f32, f32),
rotation: f32,
size: (f32, f32),
depth: f32,
) -> Vec<VertexTypeContainer> {
let normalized_depth = (depth / 255.0);
vec![
VertexTypeContainer::TextureType(
Sprite::generate_verts(window_size, position, size, normalized_depth),
self.texture_handle.clone())
]
}
//
// fn update<T>(&self, delta_time: f32) -> Vec<TrUIEvent<T>> {
// Vec::new()
// }
//
// fn notify<Y, T>(&self, tr_event: Vec<TrEvent<Y>>, ui_events: Vec<TrUIEvent<T>>) -> Vec<TrUIEvent<T>> {
// match tr_event {
// TrEvent::WindowEvent { event: TrWindowEvent::MouseInput { device_id, state, button, modifiers }, .. } => {
// match button {
// MouseButton::Left => {
// if *state == ElementState::Pressed {
//
// }
// }
// _ => {}
// }
// }
// _ => {}
// }
// Vec::new()
// }
}