bstein/rust_pong
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created paddles

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brad 2019-04-22 01:14:20 -05:00
parent 7e94d160d2
commit 845b2c0a56
1 changed files with 23 additions and 4 deletions
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27
src/pong.rs
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@ -4,7 +4,7 @@ use amethyst::core::transform::Transform;
use amethyst::ecs::prelude::{Component, DenseVecStorage}; use amethyst::ecs::prelude::{Component, DenseVecStorage};
use amethyst::prelude::*; use amethyst::prelude::*;
use amethyst::renderer::{ use amethyst::renderer::{
Camera, PngFormat, Projection, SpriteRender, SpriteSheet, Camera, PngFormat, Projection, SpriteRender, SpriteSheet, Flipped,
SpriteSheetFormat, SpriteSheetHandle, Texture, TextureMetadata, SpriteSheetFormat, SpriteSheetHandle, Texture, TextureMetadata,
}; };
@ -19,12 +19,12 @@ pub struct Pong;
impl SimpleState for Pong { impl SimpleState for Pong {
fn on_start(&mut self, data: StateData<'_, GameData<'_, '_>>) { fn on_start(&mut self, data: StateData<'_, GameData<'_, '_>>) {
let world = data.world; let world = data.world;
let sprite_sheet_handle = load_sprite_sheet(world);
world.register::<Paddle>(); world.register::<Paddle>();
initialise_paddles(world); initialise_paddles(world, sprite_sheet_handle);
initialise_camera(world); initialise_camera(world);
} }
} }
#[derive(PartialEq, Eq)] #[derive(PartialEq, Eq)]
@ -69,7 +69,7 @@ fn initialise_camera(world: &mut World) {
} }
/// Initialises one paddle on the left, and one paddle on the right. /// Initialises one paddle on the left, and one paddle on the right.
fn initialise_paddles(world: &mut World) { fn initialise_paddles(world: &mut World, sprite_sheet: SpriteSheetHandle){
let mut left_transform = Transform::default(); let mut left_transform = Transform::default();
let mut right_transform = Transform::default(); let mut right_transform = Transform::default();
@ -78,9 +78,15 @@ fn initialise_paddles(world: &mut World) {
left_transform.set_xyz(PADDLE_WIDTH * 0.5, y, 0.0); left_transform.set_xyz(PADDLE_WIDTH * 0.5, y, 0.0);
right_transform.set_xyz(ARENA_WIDTH - PADDLE_WIDTH * 0.5, y, 0.0); right_transform.set_xyz(ARENA_WIDTH - PADDLE_WIDTH * 0.5, y, 0.0);
let sprite_render = SpriteRender {
sprite_sheet: sprite_sheet.clone(),
sprite_number: 0, // paddle is the first sprite in the sprite_sheet
};
// Create a left plank entity. // Create a left plank entity.
world world
.create_entity() .create_entity()
.with(sprite_render.clone())
.with(Paddle::new(Side::Left)) .with(Paddle::new(Side::Left))
.with(left_transform) .with(left_transform)
.build(); .build();
@ -88,6 +94,8 @@ fn initialise_paddles(world: &mut World) {
// Create right plank entity. // Create right plank entity.
world world
.create_entity() .create_entity()
.with(sprite_render.clone())
.with(Flipped::Horizontal)
.with(Paddle::new(Side::Right)) .with(Paddle::new(Side::Right))
.with(right_transform) .with(right_transform)
.build(); .build();
@ -108,4 +116,15 @@ fn load_sprite_sheet(world: &mut World) -> SpriteSheetHandle {
&texture_storage, &texture_storage,
) )
}; };
let loader = world.read_resource::<Loader>();
let sprite_sheet_store = world.read_resource::<AssetStorage<SpriteSheet>>();
loader.load(
"texture/pong_spritesheet.ron", // Here we load the associated ron file
SpriteSheetFormat,
texture_handle, // We pass it the handle of the texture we want it to use
(),
&sprite_sheet_store,
)
} }