76 lines
1.5 KiB
Rust
76 lines
1.5 KiB
Rust
use sdl2::rect::{Point, Rect};
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use sdl2::render::Canvas;
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use sdl2::video::Window;
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use crate::physics::PhysBody;
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use crate::physics::PhysVec;
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use crate::Camera;
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use crate::Drawable;
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use crate::ShipKind;
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use crate::SpriteAtlas;
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pub struct Ship {
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pub body: PhysBody,
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kind: ShipKind,
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scale: u32,
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}
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impl Ship {
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pub fn new(kind: ShipKind) -> Self {
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Ship {
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body: PhysBody::new(),
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kind,
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scale: 2,
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}
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}
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}
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impl Drawable for Ship {
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fn position(&self) -> PhysVec {
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return self.body.pos;
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}
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fn draw(
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&self,
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canvas: &mut Canvas<Window>,
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sa: &SpriteAtlas,
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c: &Camera,
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) -> Result<(), String> {
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let win_size = PhysVec::from(canvas.window().size());
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let draw_pos = self.screen_position(canvas, &c);
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// Don't draw if off screen
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if draw_pos.x < 0.0
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|| draw_pos.x > win_size.x
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|| draw_pos.y < 0.0
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|| draw_pos.y > win_size.y
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{
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return Ok(());
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}
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let sprite = sa.get(self.kind.sprite());
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let mut dest_rect_0 = Rect::new(0, 0, 120 / self.scale, 270 / self.scale);
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dest_rect_0.center_on(Point::new(
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120 / (2 * self.scale) as i32,
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270 / (2 * self.scale) as i32,
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));
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// set the current frame for time
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dest_rect_0.set_x(draw_pos.x.round() as i32);
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dest_rect_0.set_y(draw_pos.y.round() as i32);
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// copy the frame to the canvas
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canvas.copy_ex(
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&sprite.texture,
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Some(sprite.rect),
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Some(dest_rect_0),
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self.body.angle.to_degrees(), // angle
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Point::new(120 / (2 * self.scale) as i32, 270 / (2 * self.scale) as i32), // center
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false,
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false,
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)?;
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return Ok(());
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}
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}
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