polygon

src/main.rs

@@ -9,5 +9,23 @@ fn view(app: &App) {
 
     draw.background().color(PLUM);
 
-    draw.ellipse().color(STEEL_BLUE);
+    draw.rect().color(STEEL_BLUE);
+
+    let points = (0..50).map(|i| {
+        let x = i as f32 - 25.0;
+        let point = pt2(x, x.sin()) * 20.0;
+        (point, RED)
+    });
+    draw.polyline().weight(3.0).points_colored(points);
+
+    let radius = 160.0;
+    let step = 45;
+    let points = (0..=360).step_by(step).map(|i| {
+        let radian = deg_to_rad(i as f32);
+        let x = radian.cos() * radius;
+        let y = radian.sin() * radius;
+        (pt2(x, y), LIGHT_STEEL_BLUE)
+    });
+
+    draw.polygon().points_colored(points).x_y(-100.0, -200.0);
 }