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Clean up line.js and make lifetime settable

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This commit is contained in:
Ryan Huffman 2015-10-27 09:13:16 -07:00
parent 2abb6a2fd5
commit 983c551ce3
2 changed files with 20 additions and 14 deletions
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7
examples/example/lineExample.js
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@ -1,12 +1,15 @@
Script.include("../libraries/line.js");
var basePosition = MyAvatar.position;
var line = new InfiniteLine(basePosition);
var color = { red: 128, green: 220, blue: 190 };
var strokeWidth = 0.01;
var line = new InfiniteLine(basePosition, color, 20);
for (var i = 0; i < (16 * Math.PI); i += 0.05) {
var x = 0
var y = 0.25 * Math.sin(i);
var z = i / 10;
line.enqueuePoint(Vec3.sum(basePosition, { x: x, y: y, z: z }));
var position = Vec3.sum(basePosition, { x: x, y: y, z: z });
line.enqueuePoint(position, strokeWidth);
}

27
examples/libraries/line.js
View file

@ -5,10 +5,13 @@ function error(message) {
// PolyLine
var LINE_DIMENSIONS = { x: 2000, y: 2000, z: 2000 };
var MAX_LINE_LENGTH = 40; // This must be 2 or greater;
var PolyLine = function(position, color, defaultStrokeWidth) {
var DEFAULT_STROKE_WIDTH = 0.1;
var DEFAULT_LIFETIME = 20;
var DEFAULT_COLOR = { red: 255, green: 255, blue: 255 };
var PolyLine = function(position, color, lifetime) {
this.position = position;
this.color = color;
this.defaultStrokeWidth = defaultStrokeWidth;
this.lifetime = lifetime === undefined ? DEFAULT_LIFETIME : lifetime;
this.points = [
];
this.strokeWidths = [
@ -23,11 +26,11 @@ var PolyLine = function(position, color, defaultStrokeWidth) {
strokeWidths: this.strokeWidths,
dimensions: LINE_DIMENSIONS,
color: color,
lifetime: 20
lifetime: lifetime
});
};
PolyLine.prototype.enqueuePoint = function(position) {
PolyLine.prototype.enqueuePoint = function(position, strokeWidth) {
if (this.isFull()) {
error("Hit max PolyLine size");
return;
@ -36,7 +39,7 @@ PolyLine.prototype.enqueuePoint = function(position) {
position = Vec3.subtract(position, this.position);
this.points.push(position);
this.normals.push({ x: 1, y: 0, z: 0 });
this.strokeWidths.push(this.defaultStrokeWidth);
this.strokeWidths.push(strokeWidth);
Entities.editEntity(this.entityID, {
linePoints: this.points,
normals: this.normals,
@ -83,33 +86,33 @@ PolyLine.prototype.destroy = function() {
};
// InfiniteLine
InfiniteLine = function(position, color) {
InfiniteLine = function(position, color, lifetime) {
this.position = position;
this.color = color;
this.lifetime = lifetime === undefined ? DEFAULT_LIFETIME : lifetime;
this.lines = [new PolyLine(position, color, 0.01)];
this.size = 0;
};
InfiniteLine.prototype.enqueuePoint = function(position) {
InfiniteLine.prototype.enqueuePoint = function(position, strokeWidth) {
var currentLine;
if (this.lines.length == 0) {
currentLine = new PolyLine(position, this.color, 0.01);
currentLine = new PolyLine(position, this.color, this.lifetime);
this.lines.push(currentLine);
} else {
currentLine = this.lines[this.lines.length - 1];
}
if (currentLine.isFull()) {
var newLine = new PolyLine(currentLine.getLastPoint(), this.color, 0.01);
newLine.enqueuePoint(currentLine.getLastPoint());
var newLine = new PolyLine(currentLine.getLastPoint(), this.color, this.lifetime);
newLine.enqueuePoint(currentLine.getLastPoint(), strokeWidth);
this.lines.push(newLine);
currentLine = newLine;
}
currentLine.enqueuePoint(position);
currentLine.enqueuePoint(position, strokeWidth);
++this.size;
};