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Clean up line.js and make lifetime settable

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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"); Script.include("../libraries/line.js");
var basePosition = MyAvatar.position; 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) { for (var i = 0; i < (16 * Math.PI); i += 0.05) {
var x = 0 var x = 0
var y = 0.25 * Math.sin(i); var y = 0.25 * Math.sin(i);
var z = i / 10; 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 // PolyLine
var LINE_DIMENSIONS = { x: 2000, y: 2000, z: 2000 }; var LINE_DIMENSIONS = { x: 2000, y: 2000, z: 2000 };
var MAX_LINE_LENGTH = 40; // This must be 2 or greater; 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.position = position;
this.color = color; this.color = color;
this.defaultStrokeWidth = defaultStrokeWidth; this.lifetime = lifetime === undefined ? DEFAULT_LIFETIME : lifetime;
this.points = [ this.points = [
]; ];
this.strokeWidths = [ this.strokeWidths = [
@ -23,11 +26,11 @@ var PolyLine = function(position, color, defaultStrokeWidth) {
strokeWidths: this.strokeWidths, strokeWidths: this.strokeWidths,
dimensions: LINE_DIMENSIONS, dimensions: LINE_DIMENSIONS,
color: color, color: color,
lifetime: 20 lifetime: lifetime
}); });
}; };
PolyLine.prototype.enqueuePoint = function(position) { PolyLine.prototype.enqueuePoint = function(position, strokeWidth) {
if (this.isFull()) { if (this.isFull()) {
error("Hit max PolyLine size"); error("Hit max PolyLine size");
return; return;
@ -36,7 +39,7 @@ PolyLine.prototype.enqueuePoint = function(position) {
position = Vec3.subtract(position, this.position); position = Vec3.subtract(position, this.position);
this.points.push(position); this.points.push(position);
this.normals.push({ x: 1, y: 0, z: 0 }); this.normals.push({ x: 1, y: 0, z: 0 });
this.strokeWidths.push(this.defaultStrokeWidth); this.strokeWidths.push(strokeWidth);
Entities.editEntity(this.entityID, { Entities.editEntity(this.entityID, {
linePoints: this.points, linePoints: this.points,
normals: this.normals, normals: this.normals,
@ -83,33 +86,33 @@ PolyLine.prototype.destroy = function() {
}; };
// InfiniteLine // InfiniteLine
InfiniteLine = function(position, color) { InfiniteLine = function(position, color, lifetime) {
this.position = position; this.position = position;
this.color = color; this.color = color;
this.lifetime = lifetime === undefined ? DEFAULT_LIFETIME : lifetime;
this.lines = [new PolyLine(position, color, 0.01)]; this.lines = [new PolyLine(position, color, 0.01)];
this.size = 0; this.size = 0;
}; };
InfiniteLine.prototype.enqueuePoint = function(position) { InfiniteLine.prototype.enqueuePoint = function(position, strokeWidth) {
var currentLine; var currentLine;
if (this.lines.length == 0) { 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); this.lines.push(currentLine);
} else { } else {
currentLine = this.lines[this.lines.length - 1]; currentLine = this.lines[this.lines.length - 1];
} }
if (currentLine.isFull()) { if (currentLine.isFull()) {
var newLine = new PolyLine(currentLine.getLastPoint(), this.color, 0.01); var newLine = new PolyLine(currentLine.getLastPoint(), this.color, this.lifetime);
newLine.enqueuePoint(currentLine.getLastPoint()); newLine.enqueuePoint(currentLine.getLastPoint(), strokeWidth);
this.lines.push(newLine); this.lines.push(newLine);
currentLine = newLine; currentLine = newLine;
} }
currentLine.enqueuePoint(position); currentLine.enqueuePoint(position, strokeWidth);
++this.size; ++this.size;
}; };