tweaks to COF and starting constant velocity

moxious · Jan 15, 2018 · 3daf5ed · 3daf5ed
1 parent fb97539
commit 3daf5ed
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Showing 3 changed files with 5 additions and 5 deletions.
diff --git a/src/model/World.js b/src/model/World.js
@@ -134,13 +134,13 @@ export default class World {
         const bodyProps = _.merge({
             x: numberDefault(opts.x, Math.random() * renderer.width),
             y: numberDefault(opts.y, 0),
-            vx: numberDefault(opts.vx, (Math.random() * 0.5 * (neg ? -1 : 1))),
-            vy: numberDefault(opts.vy, (Math.random() * 0.5 * (neg ? -1 : 1))),
+            vx: numberDefault(opts.vx, (0.2/*Math.random() * 0.4 */* (neg ? -1 : 1))),
+            vy: numberDefault(opts.vy, (0.2/*Math.random() * 0.4 */* (neg ? -1 : 1))),
             mass: opts.mass || 0.1, // cannot be zero.
             radius: numberDefault(opts.radius, 20),
             width: numberDefault(opts.width, 30),
             height: numberDefault(opts.height, 30),
-            cof: numberDefault(opts.cof, 0.7),
+            cof: numberDefault(opts.cof, 0),
             label: opts.label || 'body-' + (++this.bodyCounter),
             restitution: numberDefault(opts.restitution, 1),
             treatment: opts.treatment || 'dynamic',

diff --git a/src/model/worlds/BouncingBalls.js b/src/model/worlds/BouncingBalls.js
@@ -67,7 +67,7 @@ export default class BouncingBalls extends World {
             var edgeBounce = Physics.behavior('edge-collision-detection', {
                 aabb: viewportBounds,
                 restitution: 1,
-                cof: 1,
+                cof: 0,
             });
 
             // resize events

diff --git a/src/model/worlds/bumpers/SimpleGridBumpers.js b/src/model/worlds/bumpers/SimpleGridBumpers.js
@@ -49,7 +49,7 @@ export default class SimpleGridBumpers extends Bumpers {
                 vertices: shapes.random(),
                 treatment: 'static',
                 restitution: 1,
-                cof: 1,
+                cof: 0,
                 styles: this.component.styleBumper(),
             }));
         }