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Program Data

Program thumbnail for "{props.program.title}"

Title	Balancing Chemical Equations Intuition
ID	1406253871
Created	Unknown
Updated	10 years ago, 1439525060783
Code	/********************************************************* Add reactants, and watch the products form. If the ratio isn't correct, there will be leftover atoms! ********************************************************/ var i,j; var atomColorArray = [color(199, 64, 64),color(13, 153, 0),color(92, 143, 219),color(138, 40, 138),color(115, 50, 0)]; var Reaction = function(index) { switch(index) { case 0: this.elements = ["Mg","O"]; this.r1 = ["Mg",1,0]; this.r2 = ["O₂",0,2]; this.p1 = ["MgO",1,1]; this.p2 = [null]; //These variables keep track of how many reactants/products have been added/formed. this.r1count = 0; this.r2count = 0; this.p1count = 0; this.p2count = 0; //For drawing the molecules in the proper shape this.r1Coords = [[0,0]]; this.r2Coords = [[0,0], [-8,-10]]; this.p1Coords = [[0,0], [10,5]]; //Arrays containing info about objects being animate this.atomArray = []; for (j = 0; j < this.elements.length; j++) { this.atomArray[j] = []; } this.moleculeArray = []; return true; case 1: this.elements = ["Na","Cl","H"]; this.r1 = ["HCl",0,1,1]; this.r2 = ["NaH",1,0,1]; this.p1 = ["NaCl",1,1,0]; this.p2 = ["H₂",0,0,2]; //These variables keep track of how many reactants/products have been added/formed. this.r1count = 0; this.r2count = 0; this.p1count = 0; this.p2count = 0; //For drawing the molecules in the proper shape this.r1Coords = [[0,0], [10,-10]]; this.r2Coords = [[-10,-5], [0,-5]]; this.p1Coords = [[0,0], [10,4]]; this.p2Coords = [[9,-7], [0,0]]; //Arrays containing info about objects being animated this.atomArray = []; for (j = 0; j < this.elements.length; j++) { this.atomArray[j] = []; } this.moleculeArray = []; return true; case 2: //2B+3Br2 -> 2BBr3 this.elements = ["B","Br"]; this.r1 = ["B",1,0]; this.r2 = ["Br₂",0,2]; this.p1 = ["BBr₃",1,3]; this.p2 = [null];//["H₂O",0,0]; //These variables keep track of how many reactants/products have been added/formed. this.r1count = 0; this.r2count = 0; this.p1count = 0; this.p2count = 0; //For drawing the molecules in the proper shape this.r1Coords = [[0,0], [-10,-10], [0,8], [8,0], [5,5], [-18,-10], [-15,-15], [-10,-22], [-10,-18]]; this.r2Coords = [[-10,-5], [0,-5]]; this.p1Coords = [[0,0], [-11,0], [11,0], [5,5]]; /this.p2Coords = [[9,-7], [-9,-7], [0,0]];/ //Arrays containing info about objects being animated this.atomArray = []; for (j = 0; j < this.elements.length; j++) { this.atomArray[j] = []; } this.moleculeArray = []; return true; default: return false; } }; Reaction.prototype.write = function() { fill(255, 255, 255); stroke(0, 0, 0); rect(15,10,370,55,5); fill(0, 0, 0); if (this.r2 && (this.p2[0]) === null ) { textAlign(CENTER,CENTER); textSize(20); text((this.r1count ? this.r1count +" " : "___ ") + this.r1[0],75,40); text("+",125,40); text((this.r2count ? this.r2count +" " : "___ ") + this.r2[0],175,40); text((this.p1count ? this.p1count +" " : "___ ") + this.p1[0],325,40); textSize(12); textAlign(LEFT,CENTER); strokeWeight(1.5); beginShape(); vertex(230,40); vertex(265,40); vertex(255,36); vertex(255,44); vertex(265,40); endShape(); } else if (this.r2 && (this.p2) ) { textAlign(CENTER,CENTER); textSize(16); text((this.r1count ? this.r1count +" " : "__ ") + this.r1[0],55,40); text("+",103,40); text((this.r2count ? this.r2count +" " : "__ ") + this.r2[0],146,40); text((this.p1count ? this.p1count +" " : "__ ") + this.p1[0],264,40); text("+",307,40); text((this.p2count ? this.p2count +" " : "__ ") + this.p2[0],347,40); textSize(12); textAlign(LEFT,CENTER); beginShape(); vertex(190,40); vertex(225,40); vertex(215,36); vertex(215,44); vertex(225,40); endShape(); } strokeWeight(1); }; var reactionList = []; for (i = 0;Reaction(i);i++) { reactionList[i] = new Reaction(i); } var thisReaction; var setReaction = function(index) { thisReaction = reactionList[index]; }; setReaction(0); var Menu = function() { this.open = false; this.height = 0; this.tabBounds = {x:150,y:380,w:100,h:20}; }; Menu.prototype.draw = function() { var openclose; if(this.open === true) { openclose = "Close"; if (this.height < 300) { this.height += 20; } } else if(this.open === false) { openclose = "Open"; if (this.height > 0) { this.height -= 20; } } translate(0,-this.height); strokeWeight(2); stroke(0, 0, 0); fill(97, 97, 97,240); beginShape(); vertex(0,705); vertex(0,401); vertex(150,401); vertex(158,381); vertex(160,380); vertex(240,380); vertex(242,381); vertex(250,401); vertex(400,401); vertex(400,705); endShape(); strokeWeight(1); fill(255, 255, 255); text(openclose + " Menu",168,390); for (i = 0;i < reactionList.length;i++) { translate(195(i%2),37floor(i/2)); fill(255, 255, 255); if (reactionList[i] === thisReaction) { strokeWeight(3); stroke(118, 217, 52); } rect(8,415,189,30,7); stroke(0, 0, 0); strokeWeight(1); fill(0, 0, 0); textAlign(CENTER,CENTER); textSize(10); text("__" + reactionList[i].r1[0] + " + " + "__" + reactionList[i].r2[0] + " → __" + reactionList[i].p1[0] + (reactionList[i].p2[0] === null ? "" : " + __" + reactionList[i].p2[0]),103,431); textSize(12); textAlign(LEFT,CENTER); translate(-195(i%2),-37floor(i/2)); } image(getImage("avatars/leaf-green"),350,650,50,50); this.tabBounds.y = 380 - this.height; resetMatrix(); }; var menu = new Menu(); var Beaker = function(contents,x,y,rotDirection) { this.pouring = false; this.angle = 0; this.contents = contents; this.x = x; this.y = y; this.rotDirection = rotDirection; }; Beaker.prototype.draw = function() { translate(this.x,this.y); if (this.pouring){ this.angle+=10; rotate(this.anglethis.rotDirection); if (this.angle >= 80) { this.angle = 80; this.pouring = false; } } else if (this.angle > 0) { this.angle-=10; rotate(this.anglethis.rotDirection); } stroke(0, 0, 0); fill(222, 222, 222); beginShape(); vertex(-32,-41); vertex(-30,-40); vertex(-30,40); vertex(-29,41); vertex(-29,42); vertex(-28,43); vertex(-27,44); vertex(-26,44); vertex(-25,45); vertex(25,45); vertex(26,44); vertex(27,44); vertex(28,43); vertex(29,42); vertex(29,41); vertex(30,40); vertex(30,-40); vertex(32,-41); vertex(-32,-41); endShape(); fill(0, 0, 0); textAlign(CENTER,CENTER); textSize(20); text(this.contents,0,0); textSize(12); textAlign(LEFT,CENTER); resetMatrix(); }; var Atom = function(x,y,vx,vy,type) { this.x = x; this.y = y; this.vx = vx; this.vy = vy; this.type = type; }; Atom.prototype.draw = function() { noStroke(); fill(atomColorArray[this.type]); ellipse(this.x,this.y,15,15); fill(255, 255, 255); textAlign(CENTER,CENTER); textSize(10); text(thisReaction.elements[this.type],this.x,this.y); textSize(12); textAlign(LEFT,CENTER); }; var Molecule = function(x,y,vx,vy,type) { this.x = x; this.y = y; this.vx = vx; this.vy = vy; this.type = type; this.atoms = []; }; var AdderButton = function(beaker,x,y) { this.beaker = beaker; this.down = false; this.x = x; this.y = y; this.w = 50; this.h = 30; }; AdderButton.prototype.draw = function() { stroke(0, 0, 0); strokeWeight(1.5); fill(173, 105, 56); if (this.down === true) { fill(224, 177, 119); } rect(this.x,this.y,this.w,this.h,5); strokeWeight(1); fill(255, 255, 255); text("Add!",this.x + 13,this.y + 15); }; AdderButton.prototype.clicked = function() { this.beaker.pouring = true; }; var ReactionManager = function(reaction) { this.reaction = reaction; this.rectbounds = {x:130,y:180,w:140,h:140}; }; ReactionManager.prototype.draw = function() { stroke(0, 0, 0); strokeWeight(1.5); fill(255, 255, 255); rect(this.rectbounds.x,this.rectbounds.y,this.rectbounds.w,this.rectbounds.h,10); strokeWeight(1); }; ReactionManager.prototype.increment = function(thingToIncrement) { var molecule = new Molecule(); if (thingToIncrement === 0) { this.reaction.r1count++; molecule.x = 80; molecule.y = 120; molecule.vx = 6; molecule.vy = 5; molecule.type = "r1"; for(i = 1; i <= this.reaction.r1.length;i++){ for(j=0;j<this.reaction.r1[i];j++){ molecule.atoms.push(new Atom(0,0,6,5,i-1)); } } thisReaction.moleculeArray.push(molecule); } else if (thingToIncrement === 1) { this.reaction.r2count++; molecule.x = 320; molecule.y = 120; molecule.vx = -6; molecule.vy = 5; molecule.type = "r2"; for(i = 1; i <= this.reaction.r2.length;i++){ for(j=0;j<this.reaction.r2[i];j++){ molecule.atoms.push(new Atom(0,0,-6,5,i-1)); } } thisReaction.moleculeArray.push(molecule); } else if (thingToIncrement === -1) { this.reaction.r1count = 0; this.reaction.r2count = 0; this.reaction.p1count = 0; this.reaction.p2count = 0; } }; var n = 0; var resetButton = false; ReactionManager.prototype.formProducts = function() { resetButton = false; var p1Formable = true; var p2Formable = true; var atomCount = 0; for (i=0;i<this.reaction.elements.length;i++) { atomCount += this.reaction.atomArray[i].length; if (this.reaction.atomArray[i].length < this.reaction.p1[i+1]) { p1Formable = false; } } for (i=0;i<this.reaction.elements.length;i++) { //atomCount += this.reaction.atomArray[i].length; if (this.reaction.atomArray[i].length < this.reaction.p2[i+1]) { p2Formable = false; } } if(p1Formable) { n++; if (n>20) { var p1 = new Molecule(70,250,0,2,"p1"); for (i=1;i<this.reaction.p1.length;i++) { for (j = 0; j < this.reaction.p1[i]; j++){ p1.atoms.push(this.reaction.atomArray[i-1].pop()); } } this.reaction.moleculeArray.push(p1); this.reaction.p1count++; n=0; } } else if(p2Formable && this.reaction.p2[0] !== null) { n++; if (n>20) { var p2 = new Molecule(330,250,0,2,"p2"); for (i=1;i<this.reaction.p1.length;i++) { for (j = 0; j < this.reaction.p2[i]; j++){ p2.atoms.push(this.reaction.atomArray[i-1].pop()); } } this.reaction.moleculeArray.push(p2); this.reaction.p2count++; n=0; } } else if (atomCount) { noStroke(); fill(255, 255, 255); beginShape(); vertex(190,80); vertex(283,122); vertex(172,137); endShape(); stroke(0, 0, 0); bezier(190,80,300,76,296,70,283,122); bezier(190,80,166,82,177,135,172,137); bezier(283,122,262,149,177,129,172,137); fill(0, 0, 0); textAlign(CENTER,CENTER); text("There are atoms",233,90); text("left, so the reaction",230,106); text(" isn't balanced!",227,122); textAlign(LEFT,CENTER); image(getImage("avatars/mr-pants"),123,124,50,50); thisReaction.balancedMessage = true; } else if (thisReaction.balancedMessage) { translate(400,0); noStroke(); fill(255, 255, 255); beginShape(); vertex(-190,80); vertex(-283,122); vertex(-172,137); endShape(); beginShape(); vertex(-257,166); vertex(-172,143); vertex(-180,154); endShape(); stroke(0, 0, 0); bezier(-190,80,-300,76,-296,70,-283,122); bezier(-190,80,-166,82,-177,135,-172,137); bezier(-283,122,-262,149,-177,129,-172,137); bezier(-257,166,-262,133,-177,150,-172,144); bezier(-257,161,-264,179,-189,174,-181,154); bezier(-172,145,-172,141,-182,155,-180,154); fill(0, 0, 0); textAlign(CENTER,CENTER); text("All of the atoms",-233,90); text("reacted. It's ",-230,106); text("balanced! Yeah!",-226,122); text("Reset?",-221,158); textAlign(LEFT,CENTER); image(getImage("avatars/mr-pink"),-167,124,50,50); resetMatrix(); resetButton = true; } }; var reactionManager = new ReactionManager(thisReaction); var updateMolecules = function(){ for (i=0;i<thisReaction.moleculeArray.length;i++) { var molecule = thisReaction.moleculeArray[i]; if (molecule.y === reactionManager.rectbounds.y){ //break the molecule for(j=0;j<molecule.atoms.length;j++) { var atom = molecule.atoms.pop(); var r = random(20,120); var type = atom.type; atom.vx = cos(r); atom.vy = sin(r); thisReaction.atomArray[type].push(atom); } molecule = []; } else if (molecule.y > 350) { molecule = []; } else { molecule.x += molecule.vx; molecule.y += molecule.vy; for(j=0;j<molecule.atoms.length;j++) { switch (molecule.type) { case "r1" : molecule.atoms[j].x = molecule.x + thisReaction.r1Coords[j][0]; molecule.atoms[j].y = molecule.y + thisReaction.r1Coords[j][1]; break; case "r2" : molecule.atoms[j].x = molecule.x + thisReaction.r2Coords[j][0]; molecule.atoms[j].y = molecule.y + thisReaction.r2Coords[j][1]; break; case "p1" : molecule.atoms[j].x += (molecule.x + thisReaction.p1Coords[j][0] - molecule.atoms[j].x)/6; molecule.atoms[j].y += (molecule.y + thisReaction.p1Coords[j][1] - molecule.atoms[j].y)/6; break; case "p2" : molecule.atoms[j].x += (molecule.x + thisReaction.p2Coords[j][0] - molecule.atoms[j].x)/6; molecule.atoms[j].y += (molecule.y + thisReaction.p2Coords[j][1] - molecule.atoms[j].y)/6; break; default: molecule.atoms[j].x = molecule.x; molecule.atoms[j].y = molecule.y; } } } } }; var updateAtoms = function() { for (i=0;i<thisReaction.atomArray.length;i++) { for (j=0;j<thisReaction.atomArray[i].length;j++) { if (thisReaction.atomArray[i][j].x < (reactionManager.rectbounds.x + 7) && thisReaction.atomArray[i][j].vx < 0) { thisReaction.atomArray[i][j].vx = -1; } else if (thisReaction.atomArray[i][j].x > (reactionManager.rectbounds.x + reactionManager.rectbounds.w - 7) && thisReaction.atomArray[i][j].vx > 0) { thisReaction.atomArray[i][j].vx = -1; } if (thisReaction.atomArray[i][j].y < (reactionManager.rectbounds.y + 10) && thisReaction.atomArray[i][j].vy < 0) { thisReaction.atomArray[i][j].vy = -1; } else if (thisReaction.atomArray[i][j].y > (reactionManager.rectbounds.y + reactionManager.rectbounds.h - 10) && thisReaction.atomArray[i][j].vy > 0) { thisReaction.atomArray[i][j].vy = -1; } thisReaction.atomArray[i][j].x += thisReaction.atomArray[i][j].vx; thisReaction.atomArray[i][j].y += thisReaction.atomArray[i][j].vy; } } }; var drawAtoms = function() { for (i=0;i<thisReaction.atomArray.length;i++) { for (j=0;j<thisReaction.atomArray[i].length;j++) { thisReaction.atomArray[i][j].draw(); } } for (i=0;i<thisReaction.moleculeArray.length;i++) { for (j=0;j<thisReaction.moleculeArray[i].atoms.length;j++) { thisReaction.moleculeArray[i].atoms[j].draw(); } } }; var LeftBeaker = new Beaker(thisReaction.r1[0],70,150,1); var LeftAdderButton = new AdderButton(LeftBeaker,44,205); var RightBeaker = new Beaker(thisReaction.r2[0],330,150,-1); var RightAdderButton = new AdderButton(RightBeaker,305,205); var BottomLeftBeaker = new Beaker(thisReaction.p1[0],70,340,1); var BottomRightBeaker = new Beaker(thisReaction.p2[0],330,340,1); var mouseHeld = false; var handleMouse = function() { if (mouseIsPressed & mouseHeld === false) { var x = mouseX; var y = mouseY; if(x > menu.tabBounds.x && x < menu.tabBounds.x + menu.tabBounds.w && y > menu.tabBounds.y && y < menu.tabBounds.y + menu.tabBounds.h){ menu.open = !menu.open; } for (i = 0;i<reactionList.length;i++) { if (x > 8 + 195(i%2) && x < 197 + 195(i%2) && y > 415 - menu.height + 37floor(i/2) && y < 445 - menu.height + 37*floor(i/2)) { setReaction(i); reactionManager.reaction = thisReaction; LeftBeaker.contents = thisReaction.r1[0]; RightBeaker.contents = thisReaction.r2[0]; BottomLeftBeaker.contents = thisReaction.p1[0]; BottomRightBeaker.contents = thisReaction.p2[0]; } } if (menu.open === false) { if (x > LeftAdderButton.x && x < (LeftAdderButton.x + LeftAdderButton.w) && y > LeftAdderButton.y && y < (LeftAdderButton.y + LeftAdderButton.h) ) { LeftAdderButton.clicked(); LeftAdderButton.down = true; reactionManager.increment(0); } else if (x > RightAdderButton.x && x < (RightAdderButton.x + RightAdderButton.w) && y > RightAdderButton.y && y < (RightAdderButton.y + RightAdderButton.h) ) { RightAdderButton.clicked(); RightAdderButton.down = true; reactionManager.increment(1); } else if (x > 140 && x < 220 && y > 143 && y < 171 && resetButton) { reactionManager.increment(-1); resetButton = false; thisReaction.balancedMessage = false; } } mouseHeld = true; } else if (!mouseIsPressed) { LeftAdderButton.down = false; RightAdderButton.down = false; mouseHeld = false; } }; var draw = function() { background(250, 234, 185); handleMouse(); thisReaction.write(); fill(0, 0, 0); reactionManager.formProducts(); reactionManager.draw(); updateMolecules(); updateAtoms(); drawAtoms(); LeftBeaker.draw(); RightBeaker.draw(); BottomLeftBeaker.draw(); if (thisReaction.p2[0] !== null) { BottomRightBeaker.draw(); } LeftAdderButton.draw(); RightAdderButton.draw(); menu.draw(); };
Folds
Fork	false
Key	ag5zfmtoYW4tYWNhZGVteXIUCxIKU2NyYXRjaHBhZBiv9saeBQw
Votes	2762
Spin-Offs	1515
Type
Width	400
Height	400
User Flagged	false
Origin Scratchpad	null
Hidden From Hotlist	true
Restricted Posting	true
By Child	false
Author Nick	Justin Helps
Author Name	JustinHelps
Author ID	kaid_1202412063512761325716068
Author Profile Access	COACH

Archive Data

Added	1 years ago, 1707881049062
Updated	1 years ago, 1707883196644
Source Deleted	unknown