63 lines
2 KiB
Rust
63 lines
2 KiB
Rust
use ai_behavior::Action;
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use find_folder;
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use gfx_device_gl::Resources;
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use piston_window::*;
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use sprite::*;
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use uuid::Uuid;
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use rand;
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use std::rc::Rc;
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use super::wrap;
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pub struct Star {
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pub sprite_id: Uuid,
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pub x: f64,
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pub y: f64,
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w: f64,
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h: f64,
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}
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impl Star {
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pub fn new(w: &mut PistonWindow, scene: &mut Scene<Texture<Resources>>) -> Star {
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let assets = find_folder::Search::ParentsThenKids(3, 3)
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.for_folder("assets")
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.unwrap();
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let tex = Rc::new(Texture::from_path(&mut w.factory,
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assets.join("star.png"),
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Flip::None,
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&TextureSettings::new())
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.unwrap());
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let mut sprite = Sprite::from_texture(tex);
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sprite.set_scale(0.5, 0.5);
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sprite.set_position(30.0, 32.0);
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let bounds = sprite.bounding_box();
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let sprite_id = scene.add_child(sprite);
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Star {
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x: 32.0,
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y: 32.0,
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w: bounds[2],
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h: bounds[3],
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sprite_id: sprite_id,
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}
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}
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pub fn mov(&mut self, w: &PistonWindow, scene: &mut Scene<Texture<Resources>>, dt: f64) {
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if let Some(sprite) = scene.child(self.sprite_id) {
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let (sprite_x, sprite_y) = sprite.get_position();
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self.x = sprite_x;
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self.y = sprite_y;
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}
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let (wrapped, new_x, new_y) = wrap((w.size().width.into(), w.size().height.into()), (self.w, self.h), (self.x, self.y));
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if wrapped {
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if let Some(ref mut sprite) = scene.child_mut(self.sprite_id) {
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self.x = new_x;
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self.y = new_y;
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sprite.set_position(self.x, self.y);
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}
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}
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let mov_x = rand::random::<f64>() * 0.5;
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let mov_y = rand::random::<f64>() * 0.5;
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scene.run(self.sprite_id, &Action(Ease(EaseFunction::CubicOut, Box::new(MoveBy(dt * 0.75, mov_x, mov_y)))));
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}
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}
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