<commit_before>/*
 * @author zz85
 * 
 * Experimenting of primitive geometry creation using Surface Parametric equations
 */
THREE.TubeGeometry2 = function(path, segments, radius, segmentsRadius, closed, debug) {

	this.path = path;
	this.segments = segments || 64;
	this.radius = radius || 1;
	this.segmentsRadius = segmentsRadius || 8;
	this.closed = closed || false;
	if (debug) this.debug = new THREE.Object3D();


	var scope = this,

		tangent, normal, binormal,

		numpoints = this.segments + 1,

		x, y, z, tx, ty, tz, u, v,

		cx, cy, pos, pos2 = new THREE.Vector3(),
		i, j, ip, jp, a, b, c, d, uva, uvb, uvc, uvd;

	var frames = new THREE.TubeGeometry.FrenetFrames(path, segments, closed),
		tangents = frames.tangents,
		normals = frames.normals,
		binormals = frames.binormals;

		// proxy internals
		this.tangents = tangents;
		this.normals = normals;
		this.binormals = binormals;

   

	var ParametricTube = function(u, v) {
		v *= 2 * pi;
		
		i = u * (numpoints - 1);
		i = Math.floor(i);

		pos = path.getPointAt(u);

		tangent = tangents[i];
		normal = normals[i];
		binormal = binormals[i];

		if (scope.debug) {

			scope.debug.add(new THREE.ArrowHelper(tangent, pos, radius, 0x0000ff));
			scope.debug.add(new THREE.ArrowHelper(normal, pos, radius, 0xff0000));
			scope.debug.add(new THREE.ArrowHelper(binormal, pos, radius, 0x00ff00));

		}
		
		cx = -scope.radius * Math.cos(v); // TODO: Hack: Negating it so it faces outside.
		cy = scope.radius * Math.sin(v);

		pos2.copy(pos);
		pos2.x += cx * normal.x + cy * binormal.x;
		pos2.y += cx * normal.y + cy * binormal.y;
		pos2.z += cx * normal.z + cy * binormal.z;

		return pos2.clone();
	};

	THREE.ParametricGeometry.call(this, ParametricTube, segments, segmentsRadius);

};

THREE.TubeGeometry2.prototype = new THREE.Geometry();
THREE.TubeGeometry2.prototype.constructor = THREE.TubeGeometry2;


// Replacement for TorusKnotGeometry?
 THREE.TorusKnotGeometry2 = function ( radius, tube, segmentsR, segmentsT, p, q, heightScale ) {

	var scope = this;

	this.radius = radius || 200;
	this.tube = tube || 40;
	this.segmentsR = segmentsR || 64;
	this.segmentsT = segmentsT || 8;
	this.p = p || 2;
	this.q = q || 3;
	this.heightScale = heightScale || 1;
   
   
	var TorusKnotCurve = THREE.Curve.create(

		function() {
		},

		function(t) {

			t *= Math.PI * 2;

			var r = 0.5;
		  
			var tx = (1 + r * Math.cos(q * t)) * Math.cos(p * t),
				ty = (1 + r * Math.cos(q * t)) * Math.sin(p * t),
				tz = r * Math.sin(q * t);

			return new THREE.Vector3(tx, ty * heightScale, tz).multiplyScalar(radius);

		}

	);
	var segments = segmentsR;
	var radiusSegments = segmentsT;
	var extrudePath = new TorusKnotCurve();

	 THREE.TubeGeometry2.call( this, extrudePath, segments, tube, radiusSegments, true, false );


};

THREE.TorusKnotGeometry2.prototype = new THREE.Geometry();
THREE.TorusKnotGeometry2.prototype.constructor = THREE.TorusKnotGeometry2;

 var sin = Math.sin, cos = Math.cos, pi = Math.PI;

THREE.ParametricGeometries = {
	klein: function (v, u) {
		u *= pi;
		v *= 2 * pi;

		u = u * 2;
		var x, y, z;
		if (u < pi) {
			x = 3 * cos(u) * (1 + sin(u)) + (2 * (1 - cos(u) / 2)) * cos(u) * cos(v);
			z = -8 * sin(u) - 2 * (1 - cos(u) / 2) * sin(u) * cos(v);
		} else {
			x = 3 * cos(u) * (1 + sin(u)) + (2 * (1 - cos(u) / 2)) * cos(v + pi);
			z = -8 * sin(u);
		}
	  
		y = -2 * (1 - cos(u) / 2) * sin(v);
		
		return new THREE.Vector3(x, y, z);
	},

	plane: function (width, height) {
		
		return function(u, v) {
			var x = u * width;
			var y = 0; 
			var z = v * height;

			console.log(x, y, z);

			return new THREE.Vector3(x, y, z);
		};
	},

	mobius: function(u, t) {

		// flat mobius strip
		// http://www.wolframalpha.com/input/?i=M%C3%B6bius+strip+parametric+equations&lk=1&a=ClashPrefs_*Surface.MoebiusStrip.SurfaceProperty.ParametricEquations-
		// u = u - 0.5;
		// var v = 2 * pi * t;

		// var x, y, z;

		// var a = 2;
		// x = cos(v) * (a + u * cos(v/2));
		// y = sin(v) * (a + u * cos(v/2));
		// z = u * sin(v/2);
		// return new THREE.Vector3(x, y, z);

		// volumetric mobius strip
		u *= pi;
		t *= 2 * pi;

		u = u * 2
		var phi = u / 2
		var major = 2.25, a = 0.125, b = 0.65;
		var x, y, z;
		x = a * cos(t) * cos(phi) - b * sin(t) * sin(phi);
		z = a * cos(t) * sin(phi) + b * sin(t) * cos(phi);
		y = (major + x) * sin(u);
		x = (major + x) * cos(u);
		return new THREE.Vector3(x, y, z);
	}

};


THREE.SphereGeometry2 = function(size, x, y) {

	function sphere(u, v) {
		u *= pi;
		v *= 2 * pi;
		
		var x = sin(u) * cos(v);
		var y = cos(u);
		var z = -sin(u) * sin(v);

		return new THREE.Vector3(x, y, z).multiplyScalar(size);
	}
  
	THREE.ParametricGeometry.call(this, sphere, y, x);

};

THREE.SphereGeometry2.prototype = new THREE.Geometry();
THREE.SphereGeometry2.prototype.constructor = THREE.SphereGeometry2;


THREE.PlaneGeometry2 = function(width, depth, segmentsWidth, segmentsDepth) {

	function plane(u, v) {
		
		var x = u * width;
		var y = 0; <commit_msg>now in mobius and mobius3d.<commit_after>/*
 * @author zz85
 * 
 * Experimenting of primitive geometry creation using Surface Parametric equations
 */


var sin = Math.sin, cos = Math.cos, pi = Math.PI;

THREE.ParametricGeometries = {
	
	klein: function (v, u) {
		u *= pi;
		v *= 2 * pi;

		u = u * 2;
		var x, y, z;
		if (u < pi) {
			x = 3 * cos(u) * (1 + sin(u)) + (2 * (1 - cos(u) / 2)) * cos(u) * cos(v);
			z = -8 * sin(u) - 2 * (1 - cos(u) / 2) * sin(u) * cos(v);
		} else {
			x = 3 * cos(u) * (1 + sin(u)) + (2 * (1 - cos(u) / 2)) * cos(v + pi);
			z = -8 * sin(u);
		}
	  
		y = -2 * (1 - cos(u) / 2) * sin(v);
		
		return new THREE.Vector3(x, y, z);
	},

	plane: function (width, height) {
		
		return function(u, v) {
			var x = u * width;
			var y = 0; 
			var z = v * height;

			console.log(x, y, z);

			return new THREE.Vector3(x, y, z);
		};
	},

	mobius: function(u, t) {

		// flat mobius strip
		// http://www.wolframalpha.com/input/?i=M%C3%B6bius+strip+parametric+equations&lk=1&a=ClashPrefs_*Surface.MoebiusStrip.SurfaceProperty.ParametricEquations-
		u = u - 0.5;
		var v = 2 * pi * t;

		var x, y, z;

		var a = 2;
		x = cos(v) * (a + u * cos(v/2));
		y = sin(v) * (a + u * cos(v/2));
		z = u * sin(v/2);
		return new THREE.Vector3(x, y, z);

	},

	mobius3d: function(u, t) {

		// volumetric mobius strip
		u *= pi;
		t *= 2 * pi;

		u = u * 2
		var phi = u / 2
		var major = 2.25, a = 0.125, b = 0.65;
		var x, y, z;
		x = a * cos(t) * cos(phi) - b * sin(t) * sin(phi);
		z = a * cos(t) * sin(phi) + b * sin(t) * cos(phi);
		y = (major + x) * sin(u);
		x = (major + x) * cos(u);
		return new THREE.Vector3(x, y, z);
	}

};

THREE.TubeGeometry2 = function(path, segments, radius, segmentsRadius, closed, debug) {

	this.path = path;
	this.segments = segments || 64;
	this.radius = radius || 1;
	this.segmentsRadius = segmentsRadius || 8;
	this.closed = closed || false;
	if (debug) this.debug = new THREE.Object3D();


	var scope = this,

		tangent, normal, binormal,

		numpoints = this.segments + 1,

		x, y, z, tx, ty, tz, u, v,

		cx, cy, pos, pos2 = new THREE.Vector3(),
		i, j, ip, jp, a, b, c, d, uva, uvb, uvc, uvd;

	var frames = new THREE.TubeGeometry.FrenetFrames(path, segments, closed),
		tangents = frames.tangents,
		normals = frames.normals,
		binormals = frames.binormals;

		// proxy internals
		this.tangents = tangents;
		this.normals = normals;
		this.binormals = binormals;

   

	var ParametricTube = function(u, v) {
		v *= 2 * pi;
		
		i = u * (numpoints - 1);
		i = Math.floor(i);

		pos = path.getPointAt(u);

		tangent = tangents[i];
		normal = normals[i];
		binormal = binormals[i];

		if (scope.debug) {

			scope.debug.add(new THREE.ArrowHelper(tangent, pos, radius, 0x0000ff));
			scope.debug.add(new THREE.ArrowHelper(normal, pos, radius, 0xff0000));
			scope.debug.add(new THREE.ArrowHelper(binormal, pos, radius, 0x00ff00));

		}
		
		cx = -scope.radius * Math.cos(v); // TODO: Hack: Negating it so it faces outside.
		cy = scope.radius * Math.sin(v);

		pos2.copy(pos);
		pos2.x += cx * normal.x + cy * binormal.x;
		pos2.y += cx * normal.y + cy * binormal.y;
		pos2.z += cx * normal.z + cy * binormal.z;

		return pos2.clone();
	};

	THREE.ParametricGeometry.call(this, ParametricTube, segments, segmentsRadius);

};

THREE.TubeGeometry2.prototype = new THREE.Geometry();
THREE.TubeGeometry2.prototype.constructor = THREE.TubeGeometry2;


// Replacement for TorusKnotGeometry?
 THREE.TorusKnotGeometry2 = function ( radius, tube, segmentsR, segmentsT, p, q, heightScale ) {

	var scope = this;

	this.radius = radius || 200;
	this.tube = tube || 40;
	this.segmentsR = segmentsR || 64;
	this.segmentsT = segmentsT || 8;
	this.p = p || 2;
	this.q = q || 3;
	this.heightScale = heightScale || 1;
   
   
	var TorusKnotCurve = THREE.Curve.create(

		function() {
		},

		function(t) {

			t *= Math.PI * 2;

			var r = 0.5;
		  
			var tx = (1 + r * Math.cos(q * t)) * Math.cos(p * t),
				ty = (1 + r * Math.cos(q * t)) * Math.sin(p * t),
				tz = r * Math.sin(q * t);

			return new THREE.Vector3(tx, ty * heightScale, tz).multiplyScalar(radius);

		}

	);
	var segments = segmentsR;
	var radiusSegments = segmentsT;
	var extrudePath = new TorusKnotCurve();

	 THREE.TubeGeometry2.call( this, extrudePath, segments, tube, radiusSegments, true, false );


};

THREE.TorusKnotGeometry2.prototype = new THREE.Geometry();
THREE.TorusKnotGeometry2.prototype.constructor = THREE.TorusKnotGeometry2;


THREE.SphereGeometry2 = function(size, x, y) {

	function sphere(u, v) {
		u *= pi;
		v *= 2 * pi;
		
		var x = sin(u) * cos(v);
		var y = cos(u);
		var z = -sin(u) * sin(v);

		return new THREE.Vector3(x, y, z).multiplyScalar(size);
	}
  
	THREE.ParametricGeometry.call(this, sphere, y, x);

};

THREE.SphereGeometry2.prototype = new THREE.Geometry();
THREE.SphereGeometry2.prototype.constructor = THREE.SphereGeometry2;


THREE.PlaneGeometry2 = function(width, depth, segmentsWidth, segmentsDepth) {

	function plane(u, v) {
		
		var x = u * width;
		var y = 0; 
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{'dir': 'git-commits-cleaned', 'id': '4617856', 'n_tokens_mistral': 4533, 'n_tokens_neox': 4008, 'n_words': 1029}