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Update pitching.js to get billboard ids lazily

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This commit is contained in:
Ryan Huffman 2015-11-09 16:48:54 -08:00
parent b03275db90
commit 03dd234253
1 changed files with 22 additions and 12 deletions
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34
examples/baseball/pitching.js
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@ -18,14 +18,20 @@ Script.include("utils.js");
var DISTANCE_BILLBOARD_NAME = "CurrentScore";
var HIGH_SCORE_BILLBOARD_NAME = "HighScore";
var DISTANCE_BILLBOARD_ENTITY_ID = findEntity({name: DISTANCE_BILLBOARD_NAME }, 1000);
var HIGH_SCORE_BILLBOARD_ENTITY_ID = findEntity({name: HIGH_SCORE_BILLBOARD_NAME }, 1000);
var distanceBillboardEntityID = null;
var highScoreBillboardEntityID = null;
if (DISTANCE_BILLBOARD_ENTITY_ID === null) {
print("WARNING: Distance billboard cannot be found.");
function getDistanceBillboardEntityID() {
if (distanceBillboardEntityID === null) {
distanceBillboardEntityID = findEntity({name: DISTANCE_BILLBOARD_NAME }, 1000);
}
return distanceBillboardEntityID;
}
if (HIGH_SCORE_BILLBOARD_ENTITY_ID === null) {
print("WARNING: High Score billboard cannot be found.");
function getHighScoreBillboardEntityID() {
if (highScoreBillboardEntityID === null) {
highScoreBillboardEntityID = findEntity({name: HIGH_SCORE_BILLBOARD_NAME }, 1000);
}
return highScoreBillboardEntityID;
}
var METERS_TO_FEET = 3.28084;
@ -349,17 +355,21 @@ function Baseball(position, velocity, ballScale) {
// Update the stadium billboard with the current distance or a text message and update the high score
// if it has been beaten.
function updateBillboard(distanceOrMessage) {
Entities.editEntity(DISTANCE_BILLBOARD_ENTITY_ID, {
text: distanceOrMessage,
});
var distanceBillboardEntityID = getDistanceBillboardEntityID();
if (distanceBillboardEntityID) {
Entities.editEntity(distanceBillboardEntityID, {
text: distanceOrMessage
});
}
var highScoreBillboardEntityID = getHighScoreBillboardEntityID;
// If a number was passed in, let's see if it is larger than the current high score
// and update it if so.
if (!isNaN(distanceOrMessage)) {
var properties = Entities.getEntityProperties(HIGH_SCORE_BILLBOARD_ENTITY_ID, ["text"]);
if (!isNaN(distanceOrMessage) && highScoreBillboardEntityID) {
var properties = Entities.getEntityProperties(highScoreBillboardEntityID, ["text"]);
var bestDistance = parseInt(properties.text);
if (distanceOrMessage >= bestDistance) {
Entities.editEntity(HIGH_SCORE_BILLBOARD_ENTITY_ID, {
Entities.editEntity(highScoreBillboardEntityID, {
text: distanceOrMessage,
});
return true;