Add spin dog slide

cfg/software_as_a_bit.toml

@@ -101,3 +101,6 @@ title = "Software as a Bit"
 type = "CreativeDemo"
 title = "Software as a Creative Outlet"
 
+[[slides]]
+type = "SpinDog"
+dog = "dog.png"

src/slides/config.rs

@@ -2,6 +2,7 @@ use crate::slide::Slide;
 use crate::slides::creative_demo::{CreativeDemo, CreativeDemoCfg};
 use crate::slides::demo::Demo;
 use crate::slides::projects::Projects;
+use crate::slides::spin_dog::{SpinDog, SpinDogCfg};
 use crate::slides::standard_slide::{StandardSlide, StandardSlideConfig};
 use crate::slides::title::Title;
 use config::Config;
@@ -16,6 +17,7 @@ pub enum SlideType {
     Projects,
     StandardSlide(StandardSlideConfig),
     CreativeDemo(CreativeDemoCfg),
+    SpinDog(SpinDogCfg),
 }
 
 impl SlideType {
@@ -26,6 +28,7 @@ impl SlideType {
             SlideType::Projects => Projects::new(),
             SlideType::StandardSlide(cfg) => StandardSlide::new(cfg, asset_dir).await,
             SlideType::CreativeDemo(cfg) => CreativeDemo::new(cfg),
+            SlideType::SpinDog(cfg) => SpinDog::new(cfg, asset_dir).await,
         }
     }
 }

src/slides/creative_demo.rs

@@ -4,9 +4,7 @@ use crate::slide_show_config::Context;
 use crate::utils::{draw_text_with_background, screen_center};
 use macroquad::color::{BLACK, Color, ORANGE, VIOLET};
 use macroquad::math::Vec2;
-use macroquad::prelude::{
+use macroquad::prelude::{BLUE, GREEN, RED, YELLOW, clear_background};
-    BLUE, GREEN, RED, YELLOW, clear_background,
-};
 use macroquad::time::get_time;
 use macroquad::window::{screen_height, screen_width};
 use serde::Deserialize;

src/slides/mod.rs

@@ -8,6 +8,7 @@ pub mod config;
 pub mod creative_demo;
 pub mod demo;
 pub mod projects;
+pub mod spin_dog;
 pub mod standard_slide;
 pub mod title;
 

src/slides/spin_dog.rs

@@ -0,0 +1,66 @@
+use crate::effects::star_field;
+use crate::slide::Slide;
+use crate::slide_show_config::Context;
+use macroquad::camera::{Camera3D, set_camera, set_default_camera};
+use macroquad::color::BLACK;
+use macroquad::prelude::{
+    Texture2D, WHITE, clear_background, draw_plane, draw_text, get_frame_time, get_time,
+    load_texture, vec2, vec3,
+};
+use serde::Deserialize;
+use std::path::{Path, PathBuf};
+
+#[derive(Debug, Deserialize)]
+pub struct SpinDogCfg {
+    dog: PathBuf,
+}
+
+#[derive(Debug)]
+pub struct SpinDog {
+    texture: Texture2D,
+    camera_angle: f32,
+}
+
+impl SpinDog {
+    pub async fn new(cfg: SpinDogCfg, asset_path: &Path) -> Box<Self> {
+        let texture = load_texture(asset_path.join(cfg.dog).to_str().unwrap())
+            .await
+            .unwrap();
+
+        Box::new(Self {
+            texture,
+            camera_angle: 0.0,
+        })
+    }
+}
+
+impl Slide for SpinDog {
+    fn display(&mut self, _ctx: &Context<'_>) {
+        clear_background(BLACK);
+        star_field();
+
+        let camera_x = self.camera_angle.sin() * 20.0;
+        let camera_y = self.camera_angle.cos() * 20.0;
+        set_camera(&Camera3D {
+            position: vec3(camera_x, camera_y, 0.0),
+            up: vec3(0., 0.0, -1.0),
+            target: vec3(0., 0., 0.),
+            ..Default::default()
+        });
+        draw_plane(vec3(0., 0., 0.), vec2(5.0, 5.0), Some(&self.texture), WHITE);
+
+        // Back to screen space, render some text
+        let diff = 1.0 + get_time() as f32 * 0.1;
+        let update = diff * get_frame_time();
+        self.camera_angle = (self.camera_angle + update) % 360.0;
+
+        set_default_camera();
+        draw_text(
+            &format!("dog.png @ {diff:0.3} deg/s"),
+            10.0,
+            20.0,
+            30.0,
+            WHITE,
+        );
+    }
+}