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handle line wrapping in description

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This commit is contained in:
ZappoMan 2014-11-22 14:49:56 -08:00
parent f014025b81
commit 310e31377d
1 changed files with 38 additions and 6 deletions
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44
examples/lobby.js
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@ -15,6 +15,13 @@ var panelWall = false;
var orbShell = false;
var reticle = false;
var descriptionText = false;
// used for formating the description text
var textWidth = 400;
var textHeight = 100;
var textBottomMargin = 20;
var textFontHeight = 20;
var lastMouseMove = 0;
var IDLE_HOVER_TIME = 2000; // if you haven't moved the mouse in 2 seconds, and in HMD mode, then we use reticle for hover
var avatarStickPosition = {};
@ -84,10 +91,6 @@ function drawLobby() {
};
var windowDimensions = Controller.getViewportDimensions();
var textWidth = 400;
var textHeight = 100;
var textBottomMargin = 20;
var textFontHeight = 20;
var descriptionTextProps = {
x: (windowDimensions.x - textWidth) / 2,
@ -295,9 +298,38 @@ function handleLookAt(pickRay) {
var panelIndex = parseInt(panelName.slice(5)) - 1;
if (panelIndex < locations.length) {
var actionLocation = locations[panelIndex];
Overlays.editOverlay(descriptionText, { text: actionLocation.description });
// handle line wrapping
var allWords = actionLocation.description.split(" ");
var currentGoodLine = "";
var currentTestLine = "";
var formatedDescription = "";
var wordsFormated = 0;
var currentTestWord = 0;
var wordsOnLine = 0;
while (wordsFormated < allWords.length) {
// first add the "next word" to the line and test it.
currentTestLine = currentGoodLine;
if (wordsOnLine > 0) {
currentTestLine += " " + allWords[currentTestWord];
} else {
currentTestLine = allWords[currentTestWord];
}
var lineLength = Overlays.textWidth(descriptionText, currentTestLine);
if (lineLength < textWidth || wordsOnLine == 0) {
wordsFormated++;
currentTestWord++;
wordsOnLine++;
currentGoodLine = currentTestLine;
} else {
formatedDescription += currentGoodLine + "\n";
wordsOnLine = 0;
currentGoodLine = "";
currentTestLine = "";
}
}
formatedDescription += currentGoodLine;
Overlays.editOverlay(descriptionText, { text: formatedDescription });
}
}
}