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Title	Adjustable 3D Roller Coaster Track
ID	5851102203346944
Created	Unknown
Updated	11 years ago, 1405488065971
Code	/** * Change the variables below in order to create your own track. Be careful because making too large or small of numbers can affect computer performance. * */ var amplitude = 100; //height of peaks var periods = 3; //how many peaks var radius = 180; //how widely the circular track will span var speed = 1; //how fast the cart will go. works on a mod 360 because there are 360 possible positions created for the cart, and speed just iterates by its value through those 360 var persp = 450; //affects how distance shrinks objects. The farther away something is, the smaller it becomes. Making a larger perspective reduces the effects of perspective, while making it closer to 1 causes far things to appear very small. var store_coord = []; var store_seg = []; var store_face = []; var lowest = abs(amplitude periods); var track_width = 40; periods = round(periods); for(var t = 0; t < 360; t++){ if(t * 2 % 20 === 0){ store_seg.push([t2, t2 + 1]); store_seg.push([t2, round(720 + t/5)]); store_seg.push([t2 + 1, round(721 + t/5)]); } if(t < 358){ store_face.push([t2, t2 + 1, t2 + 2, t2 + 3]); } var x = round(radiuscos(t)1000)/1000; var y = round(amplitudesin(periodst)1000)/1000; var z = round(radiussin(t)1000)/1000; var w_t = (radius - track_width)/radius; store_coord.push([x, y, z]); store_coord.push([round(xw_t1000)/1000, y, round(zw_t1000)/1000]); } store_face.push([717, 718, 719, 720]); for(var t = 0; t < 360; t ++){ if(t2 % 20 === 0){ var x = round(radiuscos(t)1000)/1000; var y = lowest; var z = round(radiussin(t)1000)/1000; store_coord.push([x, y, z]); store_coord.push([round(xw_t1000)/1000, y, round(zw_t1000)/1000]); } } var track = store_coord; var segments = store_seg; var faces = store_face; //add to the track a couple uncalculatable points var add = [[- 300, 200,-300], [- 300, 200, 300], [300, 200, -300], [300, 200, 300], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [-20, -30, -20], [-20, -30, 20], [-20, 0, -20], [-20, 0, 20], [20, -30, -20], [20, -30, 20], [20, 0, -20], [20, 0, 20], [-10, -64, -10], [-10, -64, 10], [-10, 0, -10], [-10, 0, 10], [10, -64, -10], [10, -64, 10], [10, 0, -10], [10, 0, 10], [0, -74, 0]]; for(var i = 0; i < add.length; i++){ track.push(add[i]); } //add to the segments some uncalculatable lines var add = [[796, 797], [797, 799], [799, 798], [798, 796], [800, 801], [801, 803], [803, 802], [802, 800], [796, 800], [797, 801], [798, 802], [799, 803], [804, 805], [805, 807], [807, 806], [806, 804], [808, 809], [809, 811], [811, 810], [810, 808], [804, 808], [805, 809], [806, 810], [808, 810]]; for(var i = 0; i < add.length; i++){ segments.push(add[i]); } //add to the faces[] some uncalculatable faces faces[faces.length - 1][0] --; faces[faces.length - 1][1] --; faces[faces.length - 1][2] --; faces[faces.length - 1][3] --; var add = [[718, 719, 0, 1], [792, 793, 794, 795], [798, 799, 802, 803], [799, 797, 803, 801], [798, 796, 799, 797], [802, 800, 798, 796], [803, 801, 802, 800], [797, 796, 801, 800], [806, 807, 810, 811], [807, 805, 811, 809], [806, 804, 807, 805], [810, 808, 806, 804], [811, 809, 810, 808], [805, 804, 809, 808]]; for(var i = 0; i < add.length; i++){ faces.push(add[i]); } //this variable makes sure the screen doesn't rotate as you hold onto a button var moving = false; //variable that changes the position of the cart var show = 0; var automatic = false; var cw = true; var ccw = false; //function for creating the CW and CCW Button! var create_button = function(x, y, w, h, r, g, b, inputtext, textsize){ var X = x - w/2; var Y = y - h/2; var shiftx = 0; var shifty = 0; noStroke(); fill(0, 0, 0); rect(X + 4 , Y + 6 , w, h); fill(r,g,b); if(mouseX-200 >= X && mouseX-200 < X + w && mouseY-200 >= Y && mouseY-200 < Y + h){ fill(r + 25, g + 25, b + 25); if(mouseIsPressed){ fill(r + 50, g + 50, b + 50); if(inputtext === 'Move CCW' && automatic === false){ show += abs(round(speed)); ccw = true; cw = false; } if(inputtext === 'Move CW' && automatic === false){ show -= abs(round(speed)); cw = true; ccw = false; } if(inputtext === "Auto"){ if(automatic && moving === false){ automatic = false; moving = true; } if(automatic === false & moving === false){ automatic = true; moving = true; } } shiftx = 1; shifty = 2; moving = true; } else{ shiftx = 0; shifty = 0; moving = false; } } textAlign(CENTER, CENTER); strokeWeight(3); stroke(0, 0, 0); rect(X + shiftx, Y + shifty, w, h); strokeWeight(1); stroke(255, 183, 0); noFill(); rect(X + 3 + shiftx, Y + 3 + shifty, w - 6, h - 6); fill(255, 255, 255); textSize(textsize); text(inputtext, X + w/2 + shiftx, Y + h/2 + shifty); }; translate(200, 200); //how to rotate along the x axis. var rotateX3D = function(theta) { var sin_t = sin(theta); var cos_t = cos(theta); for (var n = 0; n < track.length; n++) { var node = track[n]; var y = node[1]; //y-value of node[n], because node[n] is an array of x, y, z var z = node[2]; //z-value of node[n] track[n][1] = y * cos_t - z * sin_t; //y-value will become this track[n][2] = z * cos_t + y * sin_t; //z-value will become this } }; //rotates along the y-axis //similar comments on this as rotateX3D() var rotateY3D = function(theta) { var sin_t = sin(theta); var cos_t = cos(theta); for (var n = 0; n < track.length; n++) { var node = track[n]; var x = node[0]; var z = node[2]; track[n][0] = x * cos_t - z * sin_t; track[n][2] = z * cos_t + x * sin_t; } }; //if the mouse is dragged var mouseDragged = function() { if(moving === false){ rotateY3D(mouseX - pmouseX); rotateX3D(mouseY - pmouseY); } }; //this creates the path for(var i = 830; i < 830+360; i ++){ track[i] = []; track[i][0] = radius * 0.9 * cos(i); track[i][1] = amplitudesin(periodsi); track[i][2] = radius * 0.9 * sin(i); } var draw = function() { if(automatic){ if(cw){ show -= abs(round(speed)); } if(ccw){ show += abs(round(speed)); } } //helps to let the user continue to rotate in some direction infinitely while(show < 0){ show += 360; } while(show > 360){ show -= 360; } var slider = show; if(slider === 0){ slider += 1; } //this tells which position to be in on the track for each node on the cart and person var p = slider; //out of 360 for(var k = 796; k <= 812; k++){ track[k][0] = track[p + 829][0] + track[k + 17][0]; track[k][1] = track[p + 829][1] + track[k + 17][1]; track[k][2] = track[p + 829][2] + track[k + 17][2]; } //background for(var bg = 0; bg <= 400; bg ++){ stroke(225 - bg/2, 225 - bg/20, 171); line(-200, bg - 200, 200, bg-200); } //brown segments for(var s = 0; s < segments.length; s++){ var l = segments[s]; var p0 = l[0]; var p1 = l[1]; strokeWeight(3); stroke(145, 86, 5); var per1 = persp / (track[p0][2] + persp); var per2 = persp / (track[p1][2] + persp); line(track[p0][0] * per1, track[p0][1] * per1, track[p1][0] * per2, track[p1][1] * per2); } //white track for(var i = 0; i < track.length; i++){ var node = track[i]; strokeWeight(4); stroke(222, 219, 222); if(i <= 812){ var per1 = persp / (node[2] + persp); var per2 = persp / (node[2] + persp); point(node[0] * per1, node[1] * per2); } } //drawing the faces for(var f = 0; f < faces.length; f++){ var faceColor; //numbers for the points var p0 = faces[f][0]; var p1 = faces[f][1]; var p2 = faces[f][2]; var p3 = faces[f][3]; //uses those numbers to access actual nodes var v0 = track[p0]; var v1 = track[p1]; var v2 = track[p2]; var v3 = track[p3]; //fills for the faces noStroke(); if(f <= 359){ faceColor = color(250, 0, 0, 100); } if(f === 360){ faceColor = color(100, 100, 100, 50); } if(f > 360 && f <= 366){ faceColor = color(0, 255, 34, 50); } if(f > 366 && f <= 372){ faceColor = color(10, 123, 255, 50); } fill(faceColor); //calculates perspective var per1 = persp / (v0[2] + persp); var per2 = persp / (v1[2] + persp); var per3 = persp / (v2[2] + persp); var per4 = persp / (v3[2] + persp); //make a square from the x and y of each corner quad(v0[0] * per1, v0[1] * per1, v2[0] * per3, v2[1] * per3, v3[0] * per4, v3[1] * per4, v1[0] * per2, v1[1] * per2); } //draws head fill(245, 208, 133, 240); var head = track[812]; var per = persp / (head[2] + persp); ellipse(head[0] * per, head[1] * per, 31 * per, 31 * per); //makes the three buttons create_button(-150, -180, 85, 25, 100, 100, 100, "Move CW", 15); create_button(-50, -180, 85, 25, 100, 100, 100, "Move CCW", 15); create_button(50, -180, 85, 25, 100, 100, 100, "Auto", 15); };
Folds
Fork	false
Key	ag5zfmtoYW4tYWNhZGVteXIXCxIKU2NyYXRjaHBhZBiAgICjvrGyCgw
Votes	1693
Spin-Offs	256
Type
Width	400
Height	400
User Flagged	false
Origin Scratchpad	null
Hidden From Hotlist	false
Restricted Posting	false
By Child	false
Author Nick	RayMan
Author Name	rayjtana
Author ID	kaid_952911577858513019620187
Author Profile Access	COACH

Archive Data

Added	1 years ago, 1707881056391
Updated	7 months ago, 1744820412958
Source Deleted	unknown