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Trac3r-rust/src/sprite.rs

65 lines
2.0 KiB

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::{VertexTypes, TextureVertex3D, Vertex3D};
///
#[derive(Debug, Clone)]
pub struct Sprite {
pub verts: VertexTypes,
position: (f32, f32),
size: (f32, f32),
}
/// Container class which implements drawable.
impl Sprite {
///
pub fn new(position: (f32, f32),
size: (f32, f32),
depth: u32,
texture_handle: Arc<CanvasTextureHandle>) -> Sprite {
let normalized_depth = (depth as f32 / 255.0);
let verts = vec![
TextureVertex3D{
v_position: [position.0, position.1, normalized_depth], // top left
ti_position: [-0.0, -0.0] },
TextureVertex3D{
v_position: [position.0, position.1 + size.1, normalized_depth], // bottom left
ti_position: [-0.0, 1.0] },
TextureVertex3D{
v_position: [position.0 + size.0, position.1 + size.1, normalized_depth], // bottom right
ti_position: [1.0, 1.0] },
TextureVertex3D{
v_position: [position.0, position.1, normalized_depth], // top left
ti_position: [-0.0, -0.0] },
TextureVertex3D{
v_position: [position.0 + size.0, position.1 + size.1, normalized_depth], // bottom right
ti_position: [1.0, 1.0] },
TextureVertex3D{
v_position: [position.0 + size.0, position.1, normalized_depth], // top right
ti_position: [1.0, -0.0] },
];
Sprite {
verts: VertexTypes::TextureType(verts, texture_handle),
position: position,
size: size,
}
}
}
impl Drawable for Sprite{
fn get(&self) -> VertexTypes {
self.verts.clone()
}
}