draw skateboard

game/src/engine/math.rs

@@ -72,6 +72,14 @@ impl Mul<f64> for V3 {
     }
 }
 
+impl Mul<Self> for V3 {
+    type Output = Self;
+
+    fn mul(self, rhs: Self) -> Self::Output {
+        Self(self.0 * rhs.0, self.1 * rhs.1, self.2 * rhs.2)
+    }
+}
+
 impl Add<&Self> for V3 {
     type Output = Self;
 

game/src/main.rs

@@ -1,6 +1,7 @@
 #![allow(dead_code)]
 
 use std::{
+    f64::consts::PI,
     sync::{Arc, Mutex},
     time::Duration,
 };
@@ -58,7 +59,7 @@ impl<R: Renderer> engine::Game<R> for Game {
 
     fn render(&mut self, r: &mut R) {
         let mut scene = Scene::new();
-        for object in &mut self.objects {
+        for object in &self.objects {
             object.render(&mut scene);
         }
         scene.render(r, V3(0.0, 0.0, -1.0));
@@ -73,19 +74,63 @@ struct Object {
 }
 
 enum ObjectKind {
-    Player { pos: V3, vel: V3 },
+    SkateBoard { pos: V3, vel: V3, rot: V3 },
     Obstacle { pos: V3, vel: V3 },
     Ground { pos: V3, vel_z: f64 },
 }
 
+struct MultiShapeShape {
+    shape: Shape,
+    offset: V3,
+}
+
+struct MultiShape {
+    shapes: Vec<MultiShapeShape>,
+}
+
+impl MultiShape {
+    pub fn new(shapes: Vec<MultiShapeShape>) -> Self {
+        Self { shapes }
+    }
+    pub fn rotate(mut self, rot: V3) -> Self {
+        for shape in &mut self.shapes {
+            shape.shape = shape
+                .shape
+                .translate(shape.offset)
+                .rotate(rot)
+                .translate(shape.offset * -1.0);
+        }
+        self
+    }
+    pub fn translate(mut self, offset: V3) -> Self {
+        for shape in &mut self.shapes {
+            shape.shape = shape.shape.translate(offset);
+        }
+        self
+    }
+    pub fn draw(self, pos: V3, scene: &mut Scene, outline_color: Color, fill_color: Color) {
+        for shape in self.shapes {
+            scene.draw_shape(
+                pos,
+                &shape.shape.translate(shape.offset),
+                outline_color,
+                fill_color,
+            );
+        }
+    }
+}
+
 impl Object {
     fn update(&mut self, delta_time: Duration) {
         match &mut self.kind {
-            ObjectKind::Player { pos, vel } => {
+            ObjectKind::SkateBoard { pos, vel, rot } => {
                 *pos += *vel * delta_time.as_secs_f64();
                 if pos.0 >= 2.1 {
                     pos.0 = -2.0;
                 }
+                // rot.0 += delta_time.as_secs_f64() * PI * 1.0;
+                rot.1 += delta_time.as_secs_f64() * PI * 1.0;
+                // rot.2 += delta_time.as_secs_f64() * PI * 2.0;
             }
             ObjectKind::Obstacle { pos, vel } => {
                 *pos += *vel * delta_time.as_secs_f64();
@@ -96,19 +141,30 @@ impl Object {
         }
     }
 
-    fn render(&mut self, scene: &mut Scene) {
-        match &mut self.kind {
-            ObjectKind::Player { pos, .. } => {
-                scene.draw_shape(
-                    *pos,
-                    &Shape::new_cube(V3(0.2, 0.2, 0.2)),
-                    Color::Green,
-                    Color::Black,
-                );
+    fn render(&self, scene: &mut Scene) {
+        match self.kind {
+            ObjectKind::SkateBoard { pos, rot, .. } => {
+                let board = MultiShape::new(vec![
+                    MultiShapeShape {
+                        shape: Shape::new_cube(V3(0.2, 0.01, 0.05)),
+                        offset: V3(0.0, 0.0, 0.0),
+                    },
+                    MultiShapeShape {
+                        shape: Shape::new_cube(V3(0.02, 0.02, 0.05)),
+                        offset: V3(0.04, -0.02, 0.0),
+                    },
+                    MultiShapeShape {
+                        shape: Shape::new_cube(V3(0.02, 0.02, 0.05)),
+                        offset: V3(0.14, -0.02, 0.0),
+                    },
+                ])
+                .translate(V3(-0.1, -0.005, -0.0025))
+                .rotate(rot);
+                board.draw(pos, scene, Color::Green, Color::Black);
             }
             ObjectKind::Obstacle { pos, .. } => {
                 scene.draw_shape(
-                    *pos,
+                    pos,
                     &Shape::new_cube(V3(0.2, 0.1, 0.2)),
                     Color::Green,
                     Color::Black,
@@ -135,13 +191,14 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let event_queue = Arc::new(Mutex::new(EventQueue::new()));
     let mut game = Game::new(event_queue.clone());
     std::thread::spawn(move || {
-        let server = Server::bind("10.133.51.127:42069");
+        let server = Server::bind("10.133.51.127:5000");
         server.start(event_queue);
     });
     let mut objects: Vec<ObjectKind> = Vec::new();
-    objects.push(ObjectKind::Player {
-        pos: V3(-0.3, -0.25, 0.0),
+    objects.push(ObjectKind::SkateBoard {
+        pos: V3(0.0, -0.1, 0.0),
         vel: V3(0.0, 0.0, 0.0),
+        rot: V3(0.0, 0.0, 0.0),
     });
     objects.push(ObjectKind::Ground {
         pos: V3(0.0, -0.3, -0.5),