made all classes use prototype methods, should be easier on the mem
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sandbender
parent
a62ab99a3d
commit
704a0404c3
157
pamela.js
157
pamela.js
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@ -1,42 +1,53 @@
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var context;
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// Class Vector
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function Vector(x, y, z) {
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this.x = x;
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this.y = y;
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this.z = z;
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this.w = 1;
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this.add = function(v) {
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}
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Vector.prototype.add = function(v) {
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this.x += v.x;
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this.y += v.y;
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this.z += v.z;
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};
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this.subtract = function(v) {
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};
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Vector.prototype.subtract = function(v) {
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this.x -= v.x;
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this.y -= v.y;
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this.z -= v.z;
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};
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this.scale = function(s) {
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};
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Vector.prototype.scale = function(s) {
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this.x *= s;
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this.y *= s;
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this.z *= s;
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};
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this.rotateX = function(a) {
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var c = p.cos(a);
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var s = p.sin(a);
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};
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Vector.prototype.rotateX = function(a) {
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var c = Math.cos(a);
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var s = Math.sin(a);
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this.y = this.y * c + this.z * s;
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this.z = this.z * c - this.y * s;
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};
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this.rotateY = function(a) {
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};
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Vector.prototype.rotateY = function(a) {
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var c = p.cos(a);
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var s = p.sin(a);
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this.x = this.x * c + this.z * s;
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this.z = this.z * c - this.x * s;
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};
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this.rotateZ = function(a) {
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};
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Vector.prototype.rotateZ = function(a) {
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var c = p.cos(a);
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var s = p.sin(a);
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this.x = this.x * c + this.y * s;
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this.y = this.y * c - this.x * s;
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};
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this.distance = function(v) {
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};
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Vector.prototype.distance = function(v) {
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if (typeof v == "undefined") {
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return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z);
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}
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@ -44,24 +55,28 @@ function Vector(x, y, z) {
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var yd = this.y - v.y;
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var zd = this.z - v.z;
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return Math.sqrt(xd * xd + yd * yd + zd * zd);
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};
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this.clone = function() {
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};
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Vector.prototype.clone = function() {
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return new Vector(this.x, this.y, this.z);
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};
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this.project = function(cam) {
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};
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Vector.prototype.project = function(cam) {
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var d = this.clone();
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d.subtract(cam);
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if (d.z < 0) return false;
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var s = (p.width / 2) / d.distance();
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return { x: d.x * s, y: d.y * s, scale: s };
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};
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}
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};
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// Class Matrix
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function Matrix(m) {
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if (typeof m == "undefined")
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m = [[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]];
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this.m = m;
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this.multiplyVector = function(v) {
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}
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Matrix.prototype.multiplyVector = function(v) {
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// Initialize the result vector.
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var result = new Vector();
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@ -74,48 +89,57 @@ function Matrix(m) {
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result.w = m[3][0]*v.x + m[3][1]*v.y + m[3][2]*v.z + m[3][3];
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return result;
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};
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this.multiplyMatrix = function(m) {
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};
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Matrix.prototype.multiplyMatrix = function(m) {
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this.m = this._mult(m);
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return this;
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};
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this.resetMatrix = function() {
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};
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Matrix.prototype.resetMatrix = function() {
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// identity and translate the axes to the center of the canvas.
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this.m = [[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]];
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};
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this.rotateX = function(angle) {
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};
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Matrix.prototype.rotateX = function(angle) {
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var c = Math.cos(angle);
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var s = Math.sin(angle);
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this.m = this._mult([[1, 0, 0, 0],[0, c, -s, 0],[0, s, c, 0],[0, 0, 0, 1]]);
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return this;
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};
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this.rotateY = function(angle) {
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};
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Matrix.prototype.rotateY = function(angle) {
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var c = Math.cos(angle);
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var s = Math.sin(angle);
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this.m = this._mult([[c, 0, s, 0],[0, 1, 0, 0],[-s, 0, c, 0],[0, 0, 0, 1]]);
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return this;
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};
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this.rotateZ = function(angle) {
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};
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Matrix.prototype.rotateZ = function(angle) {
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var c = Math.cos(angle);
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var s = Math.sin(angle);
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this.m = this._mult([[c, -s, 0, 0],[s, c, 0, 0],[0, 0, 1, 0],[0, 0, 0, 1]]);
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return this;
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};
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this.scale = function(scaleX, scaleY, scaleZ) {
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};
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Matrix.prototype.scale = function(scaleX, scaleY, scaleZ) {
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this.m = this._mult([[scaleX,0,0,0],[0,scaleY,0,0],[0,0,scaleZ,0],[0,0,0,1]]);
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return this;
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};
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this.translate = function(dX, dY, dZ) {
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};
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Matrix.prototype.translate = function(dX, dY, dZ) {
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this.m = this._mult([[1,0,0,dX],[0,1,0,dY],[0,0,1,dZ],[0,0,0,1]]);
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return this;
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};
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this.project = function(v) {
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};
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Matrix.prototype.project = function(v) {
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var pj = this.multiplyVector(v);
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pj.x /= pj.z / (p.width / 2);
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pj.y /= pj.z / (p.width / 2);
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return pj;
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};
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this._mult = function(m) {
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};
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Matrix.prototype._mult = function(m) {
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var m1 = this.m;
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var m2 = m;
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var result = [[],[],[],[]];
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@ -126,14 +150,10 @@ function Matrix(m) {
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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];
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}
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return result;
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};
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}
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};
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function alphaForDepth(d, start, cutoff) {
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d = d < cutoff ? cutoff : d > start ? start : d;
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return 1 - (d - start) / (cutoff - start);
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}
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// Class Node
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function Node(name) {
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this.name = name;
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var size = Math.min(p.width, p.height);
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@ -142,41 +162,46 @@ function Node(name) {
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p.random(size) - (size / 2),
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p.random(size) - (size / 2));
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this.position.scale(0.5);
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this.project = function(m) {
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}
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Node.prototype.alphaForDepth = function(d, start, cutoff) {
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d = d < cutoff ? cutoff : d > start ? start : d;
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return 1 - (d - start) / (cutoff - start);
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};
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Node.prototype.project = function(m) {
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this.projection = m.project(this.position);
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this.alpha = 255 * alphaForDepth(this.projection.z, 0, -200);
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};
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this.draw = function() {
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this.alpha = 255 * this.alphaForDepth(this.projection.z, 0, -200);
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};
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Node.prototype.draw = function() {
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var s = 5000 / -this.projection.z;
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p.fill(p.color(164 + this.alpha * 0.25));
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p.ellipse(this.projection.x, this.projection.y, s, s);
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p.context.font = s / 2 + "pt sans-serif";
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p.fill(p.color(164, 192 + this.alpha * 0.25, 164));
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p.context.fillText(this.name, this.projection.x + s, this.projection.y + s / 2);
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};
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this.update = function() {
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};
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}
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};
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Node.prototype.update = function() {
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};
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// Class NorbertNode
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jQuery.extend(NorbertNode.prototype, Node.prototype);
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function NorbertNode() {
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this.norbert = p.loadImage("norbert.png");
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this.position = new Vector(0, 0, 0);
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this.project = function(m) {
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this.projection = m.project(this.position);
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this.alpha = 255 * alphaForDepth(this.projection.z, -200, -400);
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};
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this.draw = function() {
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}
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NorbertNode.prototype.draw = function() {
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var s = this.projection.z / (p.width / 2);
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s *= 3;
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var x = this.projection.x - (186 / s);
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var y = this.projection.y - (150 / s);
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//var xx = this.projection.x + (186 * s);
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//var yy = this.projection.y + (240 * s);
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//var x = Math.floor(this.projection.x - 186);
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//var y = Math.floor(this.projection.y - 60);
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p.image(this.norbert, x, y, 372 / s, 300 / s);
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};
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}
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};
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var p;
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@ -187,6 +212,7 @@ $(document).ready(function() {
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function goPamela() {
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p = Processing("pamela");
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context = p.context;
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var entities = ["sandb", "fs111", "tazo", "wouter", "unknown", "unknown", "unknown", "unknown"];
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var m = new Matrix();
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@ -200,7 +226,6 @@ function goPamela() {
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var count = 0;
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this.nodes = [];
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this.nodes[count++] = new NorbertNode();
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//for (var j = 0; j < 10; j++)
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for (var i = 0; i < entities.length; i++) {
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this.nodes[count++] = new Node(entities[i]);
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}
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