code/wii-js
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Include functions for monitoring distance/roll.

Browse source
This commit is contained in:
Ryan McGrath 2011-07-10 04:53:38 -04:00
parent 31b3d9c0bb
commit 434f069185
4 changed files with 113 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

10
js/src/remote.js
View file

@ -26,6 +26,16 @@ Wii.Remote = function(remote_id, opts) {
this.remote_id = remote_id;
this.opts = opts;
/**
* Default these properties to undefined, since that's what
* the Wii returns anyway, and it's worth it to try and stay (somewhat)
* close to the core tech.
*/
this.x = undefined;
this.y = undefined;
this.roll = undefined;
this.last_known_distance_from_screen = undefined;
/**
* If this is the "main" wii_remote, then the bitwise checks will fail
* because it's treated more as a "browsing" device. For these events,

49
js/src/wii.js
View file

@ -81,9 +81,13 @@ Wii.listen = function() {
if(wii_remoteCurrStatus.isBrowsing) {
Wii.currentBrowsingRemote = wii_remote;
} else {
/* Update these on each poll, since we've got the data anyway. */
wii_remote.x = wii_remoteCurrStatus.dpdScreenX;
wii_remote.y = wii_remoteCurrStatus.dpdScreenY;
for(var evt in wii_remote.evtsInterestedIn) {
var evtHappened = Wii.DISPATCHER[evt](wii_remote, wii_remoteCurrStatus);
if(evtHappened) try { wii_remote.evtsInterestedIn[evt](wii_remote, wii_remoteCurrStatus); } catch(e) { alert(e.message); }
if(evtHappened) wii_remote.evtsInterestedIn[evt](wii_remote, wii_remoteCurrStatus);
}
}
}
@ -128,6 +132,10 @@ Wii.parsePrimaryWiimote = function(e) {
wii_remoteCurrStatus = wii_remote.isEnabled(),
buttonPressed = Wii.PRIMARY_CONTROLLER_DISPATCHER[wii_remote.opts.horizontal ? 'horizontal' : 'vertical'][e.keyCode];
/* Grab these first, and on every pass. */
wii_remote.x = wii_remoteCurrStatus.dpdScreenX;
wii_remote.y = wii_remoteCurrStatus.dpdScreenY;
/**
* Filter down and figure out which "event" we're really looking at based on code
* matchups; this gets messy pretty quickly...
@ -136,6 +144,22 @@ Wii.parsePrimaryWiimote = function(e) {
wii_remote.evtsInterestedIn[buttonPressed](wii_remote, wii_remoteCurrStatus);
}
/**
* Due to the difference in how these controls are caught, we need a second set of roll/distance-changes
* run here. Luckily, we can just re-use the dispatcher functions.
*/
if(typeof wii_remote.evtsInterestedIn['roll_change'] === 'function') {
if(Wii.DISPATCHER['roll_change'](wii_remote, wii_remoteCurrStatus)) {
wii_remote.evtsInterestedIn['roll_change'](wii_remote, wii_remoteCurrStatus);
}
}
if(typeof wii_remote.evtsInterestedIn['distance_change'] === 'function') {
if(Wii.DISPATCHER['distance_change'](wii_remote, wii_remoteCurrStatus)) {
wii_remote.evtsInterestedIn['distance_change'](wii_remote, wii_remoteCurrStatus);
}
}
/* Doing this in conjunction with preventDefault() halts an odd clicking bug or two. */
return false;
};
@ -145,7 +169,7 @@ Wii.parsePrimaryWiimote = function(e) {
*
* In order to keep things as performant as possible, we want DOM events (for the primary controller)
* to also be a 1:1 hash map lookup. This is PRIMARILY for the primary ("browsing") controller; all other
* controllers get their operations routed through the DISPATCHER below.
* controllers get their operations routed through the DISPATCHER below. The keys below are keyCodes.
*/
Wii.PRIMARY_CONTROLLER_DISPATCHER = {
vertical: {
@ -214,6 +238,25 @@ Wii.DISPATCHER = {
'pressed_b': function(wii_remote, wii_remoteStatus) { return wii_remoteStatus.hold & 1024; },
'pressed_a': function(wii_remote, wii_remoteStatus) { return wii_remoteStatus.hold & 2048; },
'roll_change': function(wii_remote, wii_remoteStatus) {
var roll = Math.atan2(wii_remoteStatus.dpdRollY, wii_remoteStatus.dpdRollX);
if(roll !== wii_remote.roll) {
wii_remote.roll = roll;
return true;
}
return false;
},
'distance_change': function(wii_remote, wii_remoteStatus) {
if(wii_remoteStatus.dpdDistance !== wii_remote.last_known_distance_from_screen) {
wii_remote.last_known_distance_from_screen = wii_remoteStatus.dpdDistance;
return true;
}
return false;
},
/**
* I'm keeping these noted here for legacy reasons, but by and large it's just not even
* worth trying to use the Nunchuk with anything in the browser; the primary controller
@ -221,4 +264,4 @@ Wii.DISPATCHER = {
*/
'pressed_z': function(wii_remote, wii_remoteStatus) { return wii_remoteStatus.hold & 8192; },
'pressed_c': function(wii_remote, wii_remoteStatus) { return wii_remoteStatus.hold & 16384; }
};
};