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Fixes to math library

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This commit is contained in:
TheJare 2013-09-22 03:43:10 +02:00
parent 15ad941908
commit 557160c3c2
1 changed files with 36 additions and 12 deletions
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48
src/math/Math.js
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@ -244,8 +244,8 @@ Phaser.Math = {
if (typeof radians === "undefined") { radians = true; }
var rd = (radians) ? GameMath.PI : 180;
return this.wrap(angle, rd, -rd);
var rd = (radians) ? Math.PI : 180;
return this.wrap(angle, -rd, rd);
},
@ -257,7 +257,7 @@ Phaser.Math = {
if (typeof radians === "undefined") { radians = true; }
var rd = (radians) ? GameMath.PI : 180;
var rd = (radians) ? Math.PI : 180;
a1 = this.normalizeAngle(a1, radians);
a2 = this.normalizeAngle(a2, radians);
@ -387,15 +387,39 @@ Phaser.Math = {
},
/**
* Adds value to amount and ensures that the result always stays between 0 and max, by wrapping the value around.
* <p>Values must be positive integers, and are passed through Math.abs</p>
*
* @param value The value to add the amount to
* @param amount The amount to add to the value
* @param max The maximum the value is allowed to be
* @return The wrapped value
*/
/**
* Ensures that the value always stays between min and max, by wrapping the value around.
* <p>max should be larger than min, or the function will return 0</p>
*
* @param value The value to wrap
* @param min The minimum the value is allowed to be
* @param max The maximum the value is allowed to be
* @return The wrapped value
*/
wrap: function (value, min, max) {
var range = max - min;
if (range <= 0)
{
return 0;
}
var result = (value - min) % range;
if (result < 0)
{
result += range;
}
return result + min;
},
/**
* Adds value to amount and ensures that the result always stays between 0 and max, by wrapping the value around.
* <p>Values must be positive integers, and are passed through Math.abs</p>
*
* @param value The value to add the amount to
* @param amount The amount to add to the value
* @param max The maximum the value is allowed to be
* @return The wrapped value
*/
wrapValue: function (value, amount, max) {
var diff;