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Add positional sounds from the tilemap

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Andrew Kesterson
2014-06-13 23:12:35 -07:00
parent bab6f826ba
commit cd55667a8c
1 changed files with 10 additions and 14 deletions
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24
moonlight/js/moonlight-skulk.js
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@@ -114,25 +114,21 @@ SoundSprite.prototype.adjust_relative_to = function(spr) {
// The volume of any given sound is equal to the length of the // The volume of any given sound is equal to the length of the
// hypotenuse of a triangle drawn from the point (p) to the // hypotenuse of a triangle drawn from the point (p) to the
// nearest corner of the camera // sprite in question
var xd_right = (game.camera.x + game.camera.width - this.x); var xd = (spr.x - this.x);
var xd_left = this.x - game.camera.x; if ( xd < 0 )
var yd_bottom = (game.camera.y + game.camera.height - this.y); xd = -(xd);
var yd_top = this.y - game.camera.y; var yd = (spr.y - this.y);
if ( yd < 0 )
yd = -(yd);
var hyp = Math.sqrt((xd * xd) + (yd * yd));
var hyp_perfect = Math.sqrt( var hyp_perfect = Math.sqrt(
((game.camera.width/2) * (game.camera.width/2)) + ((game.camera.width/2) * (game.camera.width/2)) +
((game.camera.height/2) * (game.camera.height/2)) ((game.camera.height/2) * (game.camera.height/2))
); );
var hyp_right = Math.sqrt((xd_right * xd_right) + (yd_bottom * yd_bottom)); this.sound.volume = Number(hyp_perfect / hyp);
var hyp_left = Math.sqrt((xd_left * xd_left) + (yd_top * yd_top)); console.log([hyp_perfect, hyp, this.sound.volume]);
if ( hyp_right > hyp_left ) {
this.sound.volume = Number(hyp_perfect / hyp_left);
} else {
this.sound.volume = Number(hyp_perfect / hyp_right);
}
console.log([hyp_perfect, hyp_left, hyp_right, this.sound.volume]);
} }
var moonlightSettings = { var moonlightSettings = {