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Move sleep iterations to property and add wake method

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This commit is contained in:
Richard Davey 2019-03-15 13:31:57 +00:00
parent 1fc476d738
commit 3e967ab300
1 changed files with 56 additions and 28 deletions
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84
src/physics/arcade/Body.js
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@ -287,6 +287,8 @@ var Body = new Class({
*/
this.velocity = new Vector2();
this.prevVelocity = new Vector2();
/**
* Is the Body asleep?.
*
@ -299,6 +301,8 @@ var Body = new Class({
this._sleep = 0;
this.sleepIterations = 60;
this.forcePosition = false;
/**
@ -979,6 +983,17 @@ var Body = new Class({
this.prev.y = this.position.y;
},
wake: function ()
{
if (this.sleeping)
{
// console.log(this.gameObject.name, 'woken');
this.sleeping = false;
this._sleep = 0;
}
},
/**
* Performs a single physics step and updates the body velocity, angle, speed and other
* properties.
@ -998,7 +1013,13 @@ var Body = new Class({
var velocity = this.velocity;
var position = this.position;
if (this.moves)
// Has it been woken up?
if (this.sleeping && !velocity.equals(this.prevVelocity))
{
this.wake();
}
if (this.moves && !this.sleeping)
{
this.world.updateMotion(this, delta);
@ -1096,6 +1117,9 @@ var Body = new Class({
{
gameObject.x = this.x;
gameObject.y = this.y;
dx = 0;
dy = 0;
}
else
{
@ -1125,11 +1149,38 @@ var Body = new Class({
this._dx = dx;
this._dy = dy;
if (this.allowRotation)
if (this.allowRotation && !this.sleeping)
{
gameObject.angle += this.deltaZ();
}
// Check for sleeping state
if (Math.abs(dy) < 1)
{
if (this._sleep < this.sleepIterations)
{
this._sleep++;
if (this._sleep >= this.sleepIterations)
{
this.sleeping = true;
this.velocity.set(0);
}
}
}
else if (this._sleep > 0)
{
// Waking up? Do it progressively, not instantly, to ensure it isn't just a step fluctuation
this._sleep *= 0.5;
if (this._sleep <= 0)
{
this.sleeping = false;
this._sleep = 0;
}
}
// Store collision flags
var wasTouching = this.wasTouching;
var touching = this.touching;
@ -1140,34 +1191,11 @@ var Body = new Class({
wasTouching.left = touching.left;
wasTouching.right = touching.right;
if (Math.abs(dy) < 1)
{
if (this._sleep < 60)
{
this._sleep++;
if (this._sleep >= 60)
{
this.sleeping = true;
}
}
}
else
{
if (this._sleep > 0)
{
this._sleep *= 0.5;
if (this._sleep <= 0)
{
this.sleeping = false;
this._sleep = 0;
}
}
}
this.prev.x = this.position.x;
this.prev.y = this.position.y;
this.prevVelocity.x = this.velocity.x;
this.prevVelocity.y = this.velocity.y;
},
/**