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added a little bit of spin, too.

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Philip Rosedale 2015-08-20 22:20:51 -07:00
parent ef4ad3107e
commit 7284e3aa3c
1 changed files with 5 additions and 1 deletions
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6
examples/toys/grenade.js
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@ -166,13 +166,17 @@ function blowShitUp(position, radius) {
var stuff = Entities.findEntities(position, radius); var stuff = Entities.findEntities(position, radius);
var numMoveable = 0; var numMoveable = 0;
var STRENGTH = 3.5; var STRENGTH = 3.5;
var SPIN_RATE = 20.0;
for (var i = 0; i < stuff.length; i++) { for (var i = 0; i < stuff.length; i++) {
var properties = Entities.getEntityProperties(stuff[i]); var properties = Entities.getEntityProperties(stuff[i]);
if (properties.collisionsWillMove) { if (properties.collisionsWillMove) {
var diff = Vec3.subtract(properties.position, position); var diff = Vec3.subtract(properties.position, position);
var distance = Vec3.length(diff); var distance = Vec3.length(diff);
var velocity = Vec3.sum(properties.velocity, Vec3.multiply(STRENGTH * 1.0 / distance, Vec3.normalize(diff))); var velocity = Vec3.sum(properties.velocity, Vec3.multiply(STRENGTH * 1.0 / distance, Vec3.normalize(diff)));
Entities.editEntity(stuff[i], { velocity: velocity }); var angularVelocity = { x: Math.random() * SPIN_RATE, y: Math.random() * SPIN_RATE, z: Math.random() * SPIN_RATE };
angularVelocity = Vec3.multiply( 1.0 / distance, angularVelocity);
Entities.editEntity(stuff[i], { velocity: velocity,
angularVelocity: angularVelocity });
} }
} }
} }