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Lots of fighting with CSS to get side-by-side editors and previews. Didn't really win. Turned turtle into a live TurtleScript editor.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3188 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2016-04-04 20:26:01 +00:00
parent cbf54eaa17
commit 3b5f123136
4 changed files with 254 additions and 71 deletions
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39
packages/cory/mmoturtle/mmoturtle.js
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@ -5,8 +5,13 @@
if (imports.terminal) {
terminal.setEcho(false);
terminal.split([
{name: "graphics", basis: "520px", shrink: "0", grow: "0"},
{name: "text"},
{
type: "horizontal",
children: [
{name: "graphics", basis: "700px", shrink: "0", grow: "0"},
{name: "text"},
],
},
]);
// Request a callback every time the user hits enter at the terminal prompt.
@ -31,7 +36,13 @@ if (imports.terminal) {
});
core.register("onWindowMessage", function(data) {
terminal.print(data.message);
if (data.message.ready) {
core.getService("turtle").then(function(service) {
return service.postMessage("sync");
});
} else {
terminal.print(data.message);
}
});
terminal.select("graphics");
@ -39,7 +50,7 @@ if (imports.terminal) {
// Add an iframe to the terminal. This is how we sandbox code running on the client.
var contents = `
<script src="http://codeheartjs.com/turtle/turtle.min.js">-*- javascript -*-</script>
<script src="https://codeheart.williams.edu/turtle/turtle.min.js">-*- javascript -*-</script>
<script>
setScale(2);
setWidth(3);
@ -65,30 +76,32 @@ if (imports.terminal) {
} else if (command == "clear") {
clear(WHITE);
_ch_startTimer(30);
} else if (["fd", "bk", "rt", "lt", "pu", "pd"].indexOf(command) != -1) {
window[command].apply(window, parts.map(parseInt));
} else if (["fd", "bk", "rt", "lt", "pu", "pd", "setColor", "setWidth"].indexOf(command) != -1) {
window[command].apply(window, parts.map(parseFloat));
event.source.postMessage(event.data, event.origin);
_ch_startTimer(30);
} else {
event.source.postMessage("Unrecognized command: " + command, event.origin);
}
if (_turtle.nextCommandIndex >= _turtle.commandBuffer.length) {
_turtle.nextCommandIndex = 0;
}
}
function onLoad() {
parent.postMessage({ready: true}, "*");
}
// Register for messages in the iframe
window.addEventListener('message', onMessage, false);
window.addEventListener('load', onLoad, false);
</script>
`
terminal.print({iframe: contents, width: 640, height: 480, name: "turtle"});
terminal.select("text");
terminal.print("Supported commands: ", ["fd <distance>", "bk <distance>", "rt <angle>", "lt <angle>", "pu", "pd", "home", "reset", "clear"].join(", "));
// Get the party started by asking for the history of commands (the turtle party).
setTimeout(function() {
core.getService("turtle").then(function(service) {
return service.postMessage("sync");
});
}, 1000);
} else {
var gHistory = null;