From 704a0404c3f6f199762b815c05ea843661cfd957 Mon Sep 17 00:00:00 2001 From: sandbender Date: Sat, 28 Nov 2009 19:22:10 +0100 Subject: [PATCH] made all classes use prototype methods, should be easier on the mem --- pamela.js | 333 +++++++++++++++++++++++++++++------------------------- 1 file changed, 179 insertions(+), 154 deletions(-) diff --git a/pamela.js b/pamela.js index c622a95..e9ed32f 100644 --- a/pamela.js +++ b/pamela.js @@ -1,183 +1,208 @@ +var context; + +// Class Vector function Vector(x, y, z) { this.x = x; this.y = y; this.z = z; this.w = 1; - this.add = function(v) { - this.x += v.x; - this.y += v.y; - this.z += v.z; - }; - this.subtract = function(v) { - this.x -= v.x; - this.y -= v.y; - this.z -= v.z; - }; - this.scale = function(s) { - this.x *= s; - this.y *= s; - this.z *= s; - }; - this.rotateX = function(a) { - var c = p.cos(a); - var s = p.sin(a); - this.y = this.y * c + this.z * s; - this.z = this.z * c - this.y * s; - }; - this.rotateY = function(a) { - var c = p.cos(a); - var s = p.sin(a); - this.x = this.x * c + this.z * s; - this.z = this.z * c - this.x * s; - }; - this.rotateZ = function(a) { - var c = p.cos(a); - var s = p.sin(a); - this.x = this.x * c + this.y * s; - this.y = this.y * c - this.x * s; - }; - this.distance = function(v) { - if (typeof v == "undefined") { - return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z); - } - var xd = this.x - v.x; - var yd = this.y - v.y; - var zd = this.z - v.z; - return Math.sqrt(xd * xd + yd * yd + zd * zd); - }; - this.clone = function() { - return new Vector(this.x, this.y, this.z); - }; - this.project = function(cam) { - var d = this.clone(); - d.subtract(cam); - if (d.z < 0) return false; - var s = (p.width / 2) / d.distance(); - return { x: d.x * s, y: d.y * s, scale: s }; - }; } +Vector.prototype.add = function(v) { + this.x += v.x; + this.y += v.y; + this.z += v.z; +}; + +Vector.prototype.subtract = function(v) { + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; +}; + +Vector.prototype.scale = function(s) { + this.x *= s; + this.y *= s; + this.z *= s; +}; + +Vector.prototype.rotateX = function(a) { + var c = Math.cos(a); + var s = Math.sin(a); + this.y = this.y * c + this.z * s; + this.z = this.z * c - this.y * s; +}; + +Vector.prototype.rotateY = function(a) { + var c = p.cos(a); + var s = p.sin(a); + this.x = this.x * c + this.z * s; + this.z = this.z * c - this.x * s; +}; + +Vector.prototype.rotateZ = function(a) { + var c = p.cos(a); + var s = p.sin(a); + this.x = this.x * c + this.y * s; + this.y = this.y * c - this.x * s; +}; + +Vector.prototype.distance = function(v) { + if (typeof v == "undefined") { + return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z); + } + var xd = this.x - v.x; + var yd = this.y - v.y; + var zd = this.z - v.z; + return Math.sqrt(xd * xd + yd * yd + zd * zd); +}; + +Vector.prototype.clone = function() { + return new Vector(this.x, this.y, this.z); +}; + +Vector.prototype.project = function(cam) { + var d = this.clone(); + d.subtract(cam); + if (d.z < 0) return false; + var s = (p.width / 2) / d.distance(); + return { x: d.x * s, y: d.y * s, scale: s }; +}; + +// Class Matrix function Matrix(m) { if (typeof m == "undefined") m = [[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]; this.m = m; - this.multiplyVector = function(v) { - - // Initialize the result vector. - var result = new Vector(); - var m = this.m; - - // Perform the multiplication - result.x = m[0][0]*v.x + m[0][1]*v.y + m[0][2]*v.z + m[0][3]; - result.y = m[1][0]*v.x + m[1][1]*v.y + m[1][2]*v.z + m[1][3]; - result.z = m[2][0]*v.x + m[2][1]*v.y + m[2][2]*v.z + m[2][3]; - result.w = m[3][0]*v.x + m[3][1]*v.y + m[3][2]*v.z + m[3][3]; - - return result; - }; - this.multiplyMatrix = function(m) { - this.m = this._mult(m); - return this; - }; - this.resetMatrix = function() { - // identity and translate the axes to the center of the canvas. - this.m = [[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]; - }; - this.rotateX = function(angle) { - var c = Math.cos(angle); - var s = Math.sin(angle); - this.m = this._mult([[1, 0, 0, 0],[0, c, -s, 0],[0, s, c, 0],[0, 0, 0, 1]]); - return this; - }; - this.rotateY = function(angle) { - var c = Math.cos(angle); - var s = Math.sin(angle); - this.m = this._mult([[c, 0, s, 0],[0, 1, 0, 0],[-s, 0, c, 0],[0, 0, 0, 1]]); - return this; - }; - this.rotateZ = function(angle) { - var c = Math.cos(angle); - var s = Math.sin(angle); - this.m = this._mult([[c, -s, 0, 0],[s, c, 0, 0],[0, 0, 1, 0],[0, 0, 0, 1]]); - return this; - }; - this.scale = function(scaleX, scaleY, scaleZ) { - this.m = this._mult([[scaleX,0,0,0],[0,scaleY,0,0],[0,0,scaleZ,0],[0,0,0,1]]); - return this; - }; - this.translate = function(dX, dY, dZ) { - this.m = this._mult([[1,0,0,dX],[0,1,0,dY],[0,0,1,dZ],[0,0,0,1]]); - return this; - }; - this.project = function(v) { - var pj = this.multiplyVector(v); - pj.x /= pj.z / (p.width / 2); - pj.y /= pj.z / (p.width / 2); - return pj; - }; - this._mult = function(m) { - var m1 = this.m; - var m2 = m; - var result = [[],[],[],[]]; - for(var i = 0; i < 4; i++){ - result[i][0] = m1[i][0] * m2[0][0] + m1[i][1] * m2[1][0] + m1[i][2] * m2[2][0] + m1[i][3] * m2[3][0]; - result[i][1] = m1[i][0] * m2[0][1] + m1[i][1] * m2[1][1] + m1[i][2] * m2[2][1] + m1[i][3] * m2[3][1]; - result[i][2] = m1[i][0] * m2[0][2] + m1[i][1] * m2[1][2] + m1[i][2] * m2[2][2] + m1[i][3] * m2[3][2]; - result[i][3] = m1[i][0] * m2[0][3] + m1[i][1] * m2[1][3] + m1[i][2] * m2[2][3] + m1[i][3] * m2[3][3]; - } - return result; - }; } -function alphaForDepth(d, start, cutoff) { - d = d < cutoff ? cutoff : d > start ? start : d; - return 1 - (d - start) / (cutoff - start); -} +Matrix.prototype.multiplyVector = function(v) { + // Initialize the result vector. + var result = new Vector(); + var m = this.m; + + // Perform the multiplication + result.x = m[0][0]*v.x + m[0][1]*v.y + m[0][2]*v.z + m[0][3]; + result.y = m[1][0]*v.x + m[1][1]*v.y + m[1][2]*v.z + m[1][3]; + result.z = m[2][0]*v.x + m[2][1]*v.y + m[2][2]*v.z + m[2][3]; + result.w = m[3][0]*v.x + m[3][1]*v.y + m[3][2]*v.z + m[3][3]; + + return result; +}; + +Matrix.prototype.multiplyMatrix = function(m) { + this.m = this._mult(m); + return this; +}; + +Matrix.prototype.resetMatrix = function() { + // identity and translate the axes to the center of the canvas. + this.m = [[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]; +}; + +Matrix.prototype.rotateX = function(angle) { + var c = Math.cos(angle); + var s = Math.sin(angle); + this.m = this._mult([[1, 0, 0, 0],[0, c, -s, 0],[0, s, c, 0],[0, 0, 0, 1]]); + return this; +}; + +Matrix.prototype.rotateY = function(angle) { + var c = Math.cos(angle); + var s = Math.sin(angle); + this.m = this._mult([[c, 0, s, 0],[0, 1, 0, 0],[-s, 0, c, 0],[0, 0, 0, 1]]); + return this; +}; + +Matrix.prototype.rotateZ = function(angle) { + var c = Math.cos(angle); + var s = Math.sin(angle); + this.m = this._mult([[c, -s, 0, 0],[s, c, 0, 0],[0, 0, 1, 0],[0, 0, 0, 1]]); + return this; +}; + +Matrix.prototype.scale = function(scaleX, scaleY, scaleZ) { + this.m = this._mult([[scaleX,0,0,0],[0,scaleY,0,0],[0,0,scaleZ,0],[0,0,0,1]]); + return this; +}; + +Matrix.prototype.translate = function(dX, dY, dZ) { + this.m = this._mult([[1,0,0,dX],[0,1,0,dY],[0,0,1,dZ],[0,0,0,1]]); + return this; +}; + +Matrix.prototype.project = function(v) { + var pj = this.multiplyVector(v); + pj.x /= pj.z / (p.width / 2); + pj.y /= pj.z / (p.width / 2); + return pj; +}; + +Matrix.prototype._mult = function(m) { + var m1 = this.m; + var m2 = m; + var result = [[],[],[],[]]; + for(var i = 0; i < 4; i++){ + result[i][0] = m1[i][0] * m2[0][0] + m1[i][1] * m2[1][0] + m1[i][2] * m2[2][0] + m1[i][3] * m2[3][0]; + result[i][1] = m1[i][0] * m2[0][1] + m1[i][1] * m2[1][1] + m1[i][2] * m2[2][1] + m1[i][3] * m2[3][1]; + result[i][2] = m1[i][0] * m2[0][2] + m1[i][1] * m2[1][2] + m1[i][2] * m2[2][2] + m1[i][3] * m2[3][2]; + result[i][3] = m1[i][0] * m2[0][3] + m1[i][1] * m2[1][3] + m1[i][2] * m2[2][3] + m1[i][3] * m2[3][3]; + } + return result; +}; + + +// Class Node function Node(name) { this.name = name; - var size = Math.min(p.width, p.height); + var size = Math.min(p.width, p.height); this.position = new Vector( p.random(size) - (size / 2), p.random(size) - (size / 2), p.random(size) - (size / 2)); this.position.scale(0.5); - this.project = function(m) { - this.projection = m.project(this.position); - this.alpha = 255 * alphaForDepth(this.projection.z, 0, -200); - }; - this.draw = function() { - var s = 5000 / -this.projection.z; - p.fill(p.color(164 + this.alpha * 0.25)); - p.ellipse(this.projection.x, this.projection.y, s, s); - p.context.font = s / 2 + "pt sans-serif"; - p.fill(p.color(164, 192 + this.alpha * 0.25, 164)); - p.context.fillText(this.name, this.projection.x + s, this.projection.y + s / 2); - }; - this.update = function() { - }; -} +} +Node.prototype.alphaForDepth = function(d, start, cutoff) { + d = d < cutoff ? cutoff : d > start ? start : d; + return 1 - (d - start) / (cutoff - start); +}; + +Node.prototype.project = function(m) { + this.projection = m.project(this.position); + this.alpha = 255 * this.alphaForDepth(this.projection.z, 0, -200); +}; + +Node.prototype.draw = function() { + var s = 5000 / -this.projection.z; + p.fill(p.color(164 + this.alpha * 0.25)); + p.ellipse(this.projection.x, this.projection.y, s, s); + p.context.font = s / 2 + "pt sans-serif"; + p.fill(p.color(164, 192 + this.alpha * 0.25, 164)); + p.context.fillText(this.name, this.projection.x + s, this.projection.y + s / 2); +}; + +Node.prototype.update = function() { +}; + + +// Class NorbertNode +jQuery.extend(NorbertNode.prototype, Node.prototype); function NorbertNode() { this.norbert = p.loadImage("norbert.png"); this.position = new Vector(0, 0, 0); - this.project = function(m) { - this.projection = m.project(this.position); - this.alpha = 255 * alphaForDepth(this.projection.z, -200, -400); - }; - this.draw = function() { - var s = this.projection.z / (p.width / 2); - s *= 3; - var x = this.projection.x - (186 / s); - var y = this.projection.y - (150 / s); - //var xx = this.projection.x + (186 * s); - //var yy = this.projection.y + (240 * s); - //var x = Math.floor(this.projection.x - 186); - //var y = Math.floor(this.projection.y - 60); - p.image(this.norbert, x, y, 372 / s, 300 / s); - }; } +NorbertNode.prototype.draw = function() { + var s = this.projection.z / (p.width / 2); + s *= 3; + var x = this.projection.x - (186 / s); + var y = this.projection.y - (150 / s); + p.image(this.norbert, x, y, 372 / s, 300 / s); +}; + + var p; $(document).ready(function() { @@ -187,6 +212,7 @@ $(document).ready(function() { function goPamela() { p = Processing("pamela"); + context = p.context; var entities = ["sandb", "fs111", "tazo", "wouter", "unknown", "unknown", "unknown", "unknown"]; var m = new Matrix(); @@ -200,7 +226,6 @@ function goPamela() { var count = 0; this.nodes = []; this.nodes[count++] = new NorbertNode(); - //for (var j = 0; j < 10; j++) for (var i = 0; i < entities.length; i++) { this.nodes[count++] = new Node(entities[i]); }