Added new demo #new #demo

demos/index.js

@@ -10,6 +10,7 @@ import { box } from "./box.js"
 import { particle } from "./particle.js"
 import { circle } from "./circle.js"
 import { circlestacking } from "./circlestack.js"
+import { triangle } from "./triangle.js"
 import {
   Manager,
   Renderer2D,
@@ -105,16 +106,16 @@ export const demos = {
     this.examples[n] = f
   }
 }
+demos.register("box",box)
+demos.register("stack",stacking)
+demos.register("circle",circle)
+demos.register("circlestacking",circlestacking)
+demos.register("triangle",triangle)
+demos.register("pyramid",pyramid)
 demos.register("random",random)
+demos.register("constraints",constraint)
 demos.register("bridge",bridge)
 demos.register("car",car)
-demos.register("pyramid",pyramid)
-demos.register("stack",stacking)
-demos.register("constraints",constraint)
 demos.register("pathfollower",pathfollower)
-demos.register("box",box)
-demos.register("random",random)
 demos.register("materials",materials)
 demos.register("particle",particle)
-demos.register("circlestacking",circlestacking)
-demos.register("circle",circle)

demos/triangle.js

@@ -0,0 +1,16 @@
+import {
+    Entity,
+    Trigon,
+    BodySprite
+  } from  "/src/index.js"
+  export function triangle(manager) {
+    let world = manager.getSystem("world")
+
+    let box = Entity.Default(200,100)
+    let body = new Trigon(50,50 * Math.sin(30),60)
+
+    box.attach("body",body)
+    .attach("sprite",new BodySprite())
+    manager.add(box)
+    world.gravity = 980
+  }