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Running
File size: 2,438 Bytes
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#BEGIN_PROPERTIES#
{
"version": "1.2.3",
"commandsIntroduced":
["map.getCanvasContext", "canvas.beginPath", "canvas.strokeStyle",
"canvas.lineWidth", "canvas.moveTo", "canvas.lineTo",
"canvas.stroke", "map.createLine", "map.validateAtLeastXLines"],
"music": "Soixante-8",
"mapProperties": {
"showDrawingCanvas": true
}
}
#END_PROPERTIES#
/*************
* lasers.js *
*************
*
* Time to unleash the killer lasers! Each laser will kill you
* unless you have the appropriate color. Too bad you can't
* see which color corresponds to which laser!
*/
function getRandomInt(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function startLevel(map) {
#START_OF_START_LEVEL#
map.placePlayer(0, 0);
map.placeObject(map.getWidth()-1, map.getHeight()-1, 'exit');
var player = map.getPlayer();
for (var i = 0; i < 25; i++) {
var colors = ['red', 'yellow', 'teal'];
var startX = getRandomInt(0, 600);
var startY = getRandomInt(0, 500);
var angle = getRandomInt(0, 360);
var length = getRandomInt(200, 300);
var color = colors[i % 3];
createLaser(startX, startY, angle, length, color);
}
function createLaser(centerX, centerY, angleInDegrees, length, color) {
var angleInRadians = angleInDegrees * Math.PI / 180;
var x1 = centerX - Math.cos(angleInRadians) * length / 2;
var y1 = centerY + Math.sin(angleInRadians) * length / 2;
var x2 = centerX + Math.cos(angleInRadians) * length / 2;
var y2 = centerY - Math.sin(angleInRadians) * length / 2;
// map.createLine() creates a line with an effect when
// the player moves over it, but doesn't display it
map.createLine([x1, y1], [x2, y2], function (player) {
if (player.getColor() != color) {
player.killedBy('a ' + color + ' laser');
}
});
#BEGIN_EDITABLE#
// using canvas to draw the line
var ctx = map.getCanvasContext();
ctx.beginPath();
ctx.strokeStyle = 'white';
ctx.lineWidth = 5;
ctx.moveTo(x1, y1);
ctx.lineTo(x2, y2);
ctx.stroke();
#END_EDITABLE#
}
#BEGIN_EDITABLE#
#END_EDITABLE#
#END_OF_START_LEVEL#
}
function validateLevel(map) {
map.validateExactlyXManyObjects(1, 'exit');
map.validateAtLeastXLines(25);
}
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