box2dweb free ball on the curve

licart

2018-03-29 21:49:13

License: MIT License

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FULLSCREEN WILL BE BETTER
THE POINTS ON THE CURVES CAN BE MOVED

box2dweb free ball on the curve

<html><head>
    <meta charset="utf-8"/> <style type="text/css">  #canvas{position:absolute} #canvas3{position:absolute}
#world{position:absolute}</style>
        <script type="text/javascript" src="http://jsrun.it/assets/Y/t/C/l/YtClR"></script>
</head><body>
<video id="awesome" style="display:none"  src="http://jsrun.it/assets/w/F/d/9/wFd9C" width=250 autoplay loop></video>
		<canvas id="world" ></canvas>
        <canvas id="canvas3" ></canvas>
        <canvas id="canvas" ></canvas>

//scale= window.innerWidth/50;
        b = {};	 bb = {};					
	var COEUR = [[300,330],[250,300],[230,350],[270,400],[295,440],[300,470],[305,440],[330,400],[370,350],[350,300],[300,330]]
  var ptsB3 = [[300,330],[250,300],[230,350],[270,400],[295,440],[300,470],[305,440],[330,400],[370,350],[350,300],[300,330]]

var  POINTS22= [[4.4,11.33],[ 3.83,10.4],[ 4.36,5.97],[ 0.67,6.43],[ 0.7,4.43],[ 5.57,2.87],[ 10.03,4.33],[ 10.4,6.83],[ 6.83,6.37],[ 6.8,10.87],[ 5.06,11.5 ]];
	var  ptsB2=  [[4.4,11.33],[ 3.83,10.4],[ 4.36,5.97],[ 0.67,6.43],[ 0.7,4.43],[ 5.57,2.87],[ 10.03,4.33],[ 10.4,6.83],[ 6.83,6.37],[ 6.8,10.87],[ 5.06,11.5 ]];
var POINTS2 = [[16.67,13.33], [16.67,9.33], [18.33,9.67], [20,10.33], [21.67,9.67], [23.33,10], [25,10.67], [25,13.33]];          
   var  ptsB= [[16.67,13.33], [16.67,9.33], [18.33,9.67], [20,10.33], [21.67,9.67], [23.33,10], [25,10.67], [25,13.33]];

var trip, trop;
	function draw2(){ctx3.clearRect(0, 0, width, height);ctx3.drawImage(vid, ptsB[0][0]*scale+0.67*scale, ptsB[2][1]*scale+1.33*scale,6.6*scale,2.67*scale);}
		setTimeout(function(){trip=setInterval(draw2, 200)}, 5500)
		 setTimeout(function(){clearInterval(trip); ctx3.clearRect(0, 0, width, height);}, 14500);
redraw(ctx);
		
	var lx, ly, dist;
	canvas.onmousedown = function(e) {var p = getPos(e);  cpIndex = -1;isDown = false; pIndex3 = -1; pIndex2 = -1;
		for (var i = 1; i < POINTS2.length-1; i++) { dist = Math.sqrt((POINTS2[i][1]-p[1])*(POINTS2[i][1]-p[1]) +  (POINTS2[i][0]-p[0])*(POINTS2[i][0]-p[0]));
 	if (dist < 0.83) {eraseline(); isDown = true; cpIndex = i;  lx = p[0]-POINTS2[i][0]  ; ly = p[1]-POINTS2[i][1];
	eraseline();if(pause){pause=false; run=true;animate()};	}; }
		for (var j = 1; j <  POINTS22.length-1; j++) { dist = Math.sqrt((POINTS22[j][1]-p[1])*(POINTS22[j][1]-p[1]) +  (POINTS22[j][0]-p[0])*(POINTS22[j][0]-p[0]));
	if (dist < 0.83){   isDown2 = true; pIndex2 = j; lx = p[0]-POINTS22[j][0]  ; ly = p[1]-POINTS22[j][1];	}	};  }	
	
	window.onmousemove = function(e) {
	if (isDown) {eraseline();var p = getPos(e); POINTS2[cpIndex][0]=p[0]-lx; POINTS2[cpIndex][1] = p[1]-ly;eraseline(); 
		for(var i = 1; i < POINTS2.length-1; i++) { 
		if(POINTS2[i][0]>ptsB[i][0]+0.83){POINTS2[i][0]=ptsB[i][0]+0.83}; if(POINTS2[i][0]<ptsB[i][0]-0.83){POINTS2[i][0]=ptsB[i][0]-0.83};
		if(POINTS2[i][1]>ptsB[i][1]+0.83){POINTS2[i][1]=ptsB[i][1]+0.83}; if(POINTS2[i][1]<ptsB[i][1]-0.83){POINTS2[i][1]=ptsB[i][1]-0.83};	
		}	 eraseline(); redraw(ctx);eraseline();}
	if (isDown2) { var p = getPos(e); POINTS22[pIndex2][0] = p[0]-lx; POINTS22[pIndex2][1] = p[1]-ly;
		for (var j = 1; j <  POINTS22.length-1; j++) {
		if(POINTS22[j][0]>ptsB2[j][0]+0.83/scale){POINTS22[j][0]=ptsB2[j][0]+0.83}; if(POINTS22[j][0]<ptsB2[j][0]-0.83){POINTS22[j][0]=ptsB2[j][0]-0.83};
		if(POINTS22[j][1]>ptsB2[j][1]+0.83/scale){POINTS22[j][1]=ptsB2[j][1]+0.83}; if(POINTS22[j][1]<ptsB2[j][1]-0.83){POINTS22[j][1]=ptsB2[j][1]-0.83};	
		} eraseline(); redraw(ctx);};   }; 
		
	window.onmouseup = function() {  cpIndex=-1; isDown2=false;isDown3=false; isDown4=false;isDown = false;pIndex4=-1;pIndex3=-1; pIndex2=-1; };

function getPos(e) { var r=canvas.getBoundingClientRect(); return [x= (e.clientX-r.left)/scale, y= (e.clientY-r.top)/scale] }
function eraseline() { var bodies = world.GetBodyList(); if(bodies.GetUserData() == "line"){world.DestroyBody(bodies)}}

var trap, trup;
		function animate(){if(run && !pause) { trap = window.setTimeout(animate, 40 ); tick();}}
		function pause(){run = !run;if(run){animate()}};		
		window['onload'] = function doOnload() {animate(); }

</script>
</body></html>

box2dweb free ball on the curve

FULLSCREEN WILL BE BETTER THE POINTS ON THE CURVES CAN BE MOVED<html><head> <meta charset="utf-8"/> <style type="text/css"> #canvas{position:absolute} #canvas3{position:absolute} #world{position:absolute}</style> <script type="text/javascript" src="http://jsrun.it/assets/Y/t/C/l/YtClR"></script> </head><body> <video id="awesome" style="display:none" src="http://jsrun.it/assets/w/F/d/9/wFd9C" width=250 autoplay loop></video> <canvas id="world" ></canvas> <canvas id="canvas3" ></canvas> <canvas id="canvas" ></canvas> <script> var b2Vec2=Box2D.Common.Math.b2Vec2,b2AABB=Box2D.Collision.b2AABB,b2BodyDef=Box2D.Dynamics.b2BodyDef,b2Body=Box2D.Dynamics.b2Body,b2FixtureDef=Box2D.Dynamics.b2FixtureDef,b2Fixture=Box2D.Dynamics.b2Fixture,b2World=Box2D.Dynamics.b2World,b2MassData=Box2D.Collision.Shapes.b2MassData, b2PolygonShape=Box2D.Collision.Shapes.b2PolygonShape,b2CircleShape=Box2D.Collision.Shapes.b2CircleShape,b2Shape=Box2D.Collision.Shapes.b2Shape,b2Settings=Box2D.Common.b2Settings,b2DebugDraw=Box2D.Dynamics.b2DebugDraw, b2DistanceJointDef = Box2D.Dynamics.Joints.b2DistanceJointDef,b2RevoluteJointDef = Box2D.Dynamics.Joints.b2RevoluteJointDef ; var canvas = document.getElementById('canvas'), ctx = canvas.getContext('2d'); var canvas3 = document.getElementById('canvas3'), ctx3 = canvas3.getContext('2d'); var canvas2 = document.getElementById('world'), ctx2 = canvas2.getContext('2d'); var width = canvas.width= canvas2.width = canvas3.width =window.innerWidth, height = canvas.height = canvas2.height =canvas3.height = window.innerHeight; world = new b2World(new b2Vec2(0, 9.8), true); var scale = 30; var bodies = []; drawing = new Image(); drawing.src = "http://jsrun.it/assets/M/d/u/Q/MduQX.png"; var isDown=false,isDown2=false,isDown3=false,isDown4=false,cpIndex=-1, pIndex3=-1, pIndex4=-1,pIndex2=-1; var trup; var vid=document.getElementById('awesome'); var run=true; var pause=false; //scale= window.innerWidth/50; b = {}; bb = {}; var COEUR = [[300,330],[250,300],[230,350],[270,400],[295,440],[300,470],[305,440],[330,400],[370,350],[350,300],[300,330]] var ptsB3 = [[300,330],[250,300],[230,350],[270,400],[295,440],[300,470],[305,440],[330,400],[370,350],[350,300],[300,330]] var POINTS22= [[4.4,11.33],[ 3.83,10.4],[ 4.36,5.97],[ 0.67,6.43],[ 0.7,4.43],[ 5.57,2.87],[ 10.03,4.33],[ 10.4,6.83],[ 6.83,6.37],[ 6.8,10.87],[ 5.06,11.5 ]]; var ptsB2= [[4.4,11.33],[ 3.83,10.4],[ 4.36,5.97],[ 0.67,6.43],[ 0.7,4.43],[ 5.57,2.87],[ 10.03,4.33],[ 10.4,6.83],[ 6.83,6.37],[ 6.8,10.87],[ 5.06,11.5 ]]; var POINTS2 = [[16.67,13.33], [16.67,9.33], [18.33,9.67], [20,10.33], [21.67,9.67], [23.33,10], [25,10.67], [25,13.33]]; var ptsB= [[16.67,13.33], [16.67,9.33], [18.33,9.67], [20,10.33], [21.67,9.67], [23.33,10], [25,10.67], [25,13.33]]; var CPRADIUS = 4; scale = window.innerHeight / 25; function redraw(ctx) { eraseline(); ctx.clearRect(0, 0, width, height); ctx.lineWidth=5; if (POINTS2.length > 1) { var curve = POINTS2;//ctx.strokeStyle = 'blue'; for (var precision = 3; precision--;) curve = fourPoint(curve); drawPolyline(ctx, curve); ctx.strokeStyle = 'rgba(0,220,0,1)'; ctx.shadowColor='rgba(220,0,220,1)'; ctx.shadowBlur=80; ctx.lineWidth=50; ctx.stroke(); ctx.globalCompositeOperation='destination-in'; ctx.fill(); ctx.globalCompositeOperation='destination-over'; ctx.fillStyle = 'rgba(200,0,0,0.1'; ctx.fill(); ctx.globalCompositeOperation='source-over'; ctx.lineWidth=50;ctx.strokeStyle = 'rgba(10,250,0,0.1)'; ctx.shadowOffsetY = -30; ctx.shadowColor = 'white';ctx.shadowBlur = 50;ctx.stroke(); ctx.shadowColor='rgba(0,0,0,0)';ctx.shadowBlur=0;ctx.shadowOffsetY = 0; ctx.lineWidth=3;ctx.strokeStyle = 'rgba(0,0,255,1)';ctx.stroke(); } ctx.fillStyle = 'rgba(255,0,0,1'; drawPoints(ctx, POINTS2); if (POINTS22.length > 1) { var curve2 = POINTS22; ctx.strokeStyle = 'red'; ctx.lineWidth=5; for (var precision = 3; precision--;) curve2 = fourPoint(curve2); drawPolyline(ctx, curve2) ; ctx.fillStyle = 'rgba(0,155,250,0.1)'; ctx.fill(); ctx.stroke();}; ctx.fillStyle = 'pink'; } function affineCombination(e){for(var n=0,t=[0,0],a=0;a<e.length;a++)n+=e[a][1];for(var a=0;a<e.length;a++){var i=e[a],o=i[1]/n;t[0]+=i[0][0]*o,t[1]+=i[0][1]*o}return t} function fourPoint(e){var n=e.length;if(4>n)return e;var a=[e[0]];a.push(affineCombination([[e[0],5],[e[1],15],[e[2],-5],[e[3],1]])); for(var r=n-2,t=1;r>t;++t){var o=t-1;a.push(e[t]),a.push(affineCombination([[e[t-1],-1],[e[t+0],9],[e[t+1],9],[e[t+2],-1]]))}a.push(e[r]); var o=n-4;return a.push(affineCombination([[e[o+0],1],[e[o+1],-5],[e[o+2],15],[e[o+3],5]])),a.push(e[n-1]),a} function drawPolyline(e,n){ e.beginPath(),e.moveTo(n[0][0]*scale,n[0][1]*scale);var t=new b2BodyDef;t.type=b2Body.b2_staticBody; for(var a=n[0][0],i=n[0][1],o=world.CreateBody(t),r=1;r<n.length;r++){var f=new b2FixtureDef;f.density=15,f.friction=.8,f.restitution=.4;var l=n[r][0],s=n[r][1];f.shape=new b2PolygonShape,f.shape.SetAsEdge(new b2Vec2(a,i),new b2Vec2(l,s)),o.CreateFixture(f),a=l,i=s,bodies.push(o),o.SetUserData("line"), e.lineTo(n[r][0]*scale,n[r][1]*scale)};e.stroke(); } function drawPoints(e,n){for(var t=1;t<n.length-1;t++)e.beginPath(),e.arc(n[t][0]*scale,n[t][1]*scale,CPRADIUS,0,2*Math.PI,!0),e.fill()} var debugDraw=new b2DebugDraw;debugDraw.SetSprite(document.getElementById("world").getContext("2d")),debugDraw.SetDrawScale(scale),debugDraw.SetFillAlpha(.5),debugDraw.SetLineThickness(.1),debugDraw.SetFlags(b2DebugDraw.e_shapeBit|b2DebugDraw.e_jointBit),world.SetDebugDraw(debugDraw); var bodyDef2 = new b2BodyDef; bodyDef2.type = b2Body.b2_dynamicBody; bodyDef2.position.Set(7,-5); var fixDef2 = new b2FixtureDef; fixDef2.density = 2; fixDef2.friction = .5; fixDef2.restitution = .7; fixDef2.shape = new b2CircleShape(0.98); wheel = world.CreateBody(bodyDef2); wheel.CreateFixture(fixDef2); wheel.SetUserData('circle2'); wheel.ApplyImpulse(new b2Vec2(0, 0.2), wheel.GetWorldCenter()); for (c = 0; 9 > c; c++) { fixDef = new b2FixtureDef; var bodyDef = new b2BodyDef;fixDef.shape = new b2CircleShape(0.33); fixDef.friction = 1;fixDef.restitution = 0.2; fixDef.density = 1.5; bodyDef.type = b2Body.b2_dynamicBody; bodyDef.position.x = 10.7+ 0.67 * c + 0.2, bodyDef.position.y = 7, b["link" + c] = world.CreateBody(bodyDef), b["link" + c].CreateFixture(fixDef);} a = new b2RevoluteJointDef(); a.localAnchorA=new b2Vec2(0,0); a.localAnchorB=new b2Vec2( ptsB2[7][0]+0.2, ptsB2[7][1]+0.1); a.bodyA=b.link0; a.bodyB=world.GetGroundBody(); world.CreateJoint(a); for (c = 1; 9 > c; c++) {a.Initialize(b["link" + (c - 1)], b["link" + c], b["link" + (c - 1)].GetWorldCenter()), world.CreateJoint(a);} a.localAnchorB=new b2Vec2(0.5,0); a.localAnchorA=new b2Vec2( ptsB[1][0]-0.2, ptsB[1][1]); a.bodyB=b.link8; a.bodyA=world.GetGroundBody(); world.CreateJoint(a); /* var bodyDef = new b2BodyDef; bodyDef.type = b2Body.b2_dynamicBody;bodyDef.fixedRotation = true; fixDef = new b2FixtureDef;fixDef.density = 20;fixDef.friction = 1;fixDef.restitution = 1; for (c = 0; 12 > c; c++) { fixDef.shape = new b2CircleShape(0.07); bodyDef.position.x = 280/scale+ 0.5 * c; bodyDef.position.y = 250/scale -0.15 * c-0.15; b["link" + c] = world.CreateBody(bodyDef); b["link" + c].CreateFixture(fixDef); } a = new b2RevoluteJointDef(); a.localAnchorA=new b2Vec2(-0.5,0); a.localAnchorB=new b2Vec2( 280/scale, 270/scale); a.bodyA=b.link0; a.bodyB=world.GetGroundBody(); world.CreateJoint(a); for (c = 1; 12 > c; c++) {a.Initialize(b["link" + (c - 1)], b["link" + c], b["link" + (c - 1)].GetWorldCenter()), world.CreateJoint(a);} a.localAnchorB=new b2Vec2(0.5,0); a.localAnchorA=new b2Vec2( 500/scale, 290/scale); a.bodyB=b.link11; a.bodyA=world.GetGroundBody(); world.CreateJoint(a); for (c = 0; 12 > c; c++) { fixDef.shape = new b2CircleShape(0.35); fixDef.density = 1; fixDef.friction = 1; fixDef.restitution = 0.8;bodyDef.type = b2Body.b2_dynamicBody; bodyDef.position.x = 270 / scale+ 0.7 * c + 0.7, bodyDef.position.y = 230 / scale- 0.1 * c +0.1, bb["link2" + c] = world.CreateBody(bodyDef), bb["link2" + c].CreateFixture(fixDef); } a = new b2RevoluteJointDef(); a.Initialize( bb.link20,world.GetGroundBody(), bb.link20.GetWorldCenter()); world.CreateJoint(a); for (c = 1; 12 > c; c++) { a.Initialize(bb["link2" + (c - 1)], bb["link2" + c], bb["link2" + (c - 1)].GetWorldCenter()), world.CreateJoint(a); } a.Initialize(bb.link211, world.GetGroundBody(), bb.link211.GetWorldCenter()); world.CreateJoint(a); */ /* setTimeout(function(){ fixDef.density=5; fixDef.friction=1; fixDef.restitution=0.3; bodyDef.type=b2Body.b2_dynamicBody; bodyDef.fixedRotation=true; bodyDef.angularDamping = 2; bodyDef.linearDamping = 0.1; var bodyTmp=null; var bodies=[]; var num=36; for(var i = 0; i < num; ++i) { fixDef.shape = new b2CircleShape(0.1); bodyDef.position.x = 1.5+i/4; bodyDef.position.y = 4; bodyTmp = world.CreateBody(bodyDef); bodyTmp.CreateFixture(fixDef);bodyTmp.SetUserData("circ"); bodies.push(bodyTmp); } var jointDef = new b2DistanceJointDef(); jointDef.bodyA = bodies[bodies.length-1]; jointDef.bodyB = bodies[0]; jointDef.collideConnected = false; jointDef.length=1.7*3.14/num; jointDef.frequencyHz = 0; jointDef.dampingRatio = 0; jointDef.anchorPoint1 = bodies[bodies.length-1].GetLocalCenter(); jointDef.anchorPoint2 = bodies[0].GetLocalCenter(); lol= world.CreateJoint(jointDef);lol.SetUserData("line"); for(var j=0;j<bodies.length-1;j++){ jointDef.bodyA = bodies[j]; jointDef.bodyB = bodies[j+1]; jointDef.anchorPoint1 = bodies[j].GetLocalCenter(); jointDef.anchorPoint2 = bodies[j+1].GetLocalCenter(); lol=world.CreateJoint(jointDef); lol.SetUserData("line"); } for(var k=0;k<bodies.length/2;k++){ jointDef.frequencyHz = 1.8; jointDef.dampingRatio =.2; jointDef.bodyA = bodies[k]; jointDef.bodyB = bodies[k+bodies.length/2]; jointDef.length=1.7; jointDef.anchorPoint1 = bodies[k].GetLocalCenter(); jointDef.anchorPoint2 = bodies[k*2].GetLocalCenter(); world.CreateJoint(jointDef);eraseline(); }},8000);*/ function tick(){ world.Step(1 / 20, 4, 2); ctx2.clearRect(0, 0, width, height); ctx2.fillStyle = '#1d1f20'; ctx2.fillRect(0, 0, width, height); //world.DrawDebugData(); var body = world.GetBodyList(); while (body) { if (body.GetUserData() == "circle2") { var radius = body.GetFixtureList().GetShape().GetRadius(), rotation = body.GetAngle() ; var x = body.GetPosition().x, y = body.GetPosition().y ; ctx2.save(); ctx2.translate(x*scale,y*scale); ctx2.rotate(rotation); ctx2.drawImage(drawing, -radius*scale,-radius*scale,radius*2*scale,radius*2*scale); ctx2.restore(); } if (body.GetUserData() == "circ") { var radius = body.GetFixtureList().GetShape().GetRadius() ; rotation = body.GetAngle() ; var x=body.GetPosition().x, y=body.GetPosition().y ; ctx2.save(); ctx2.beginPath();ctx2.fillStyle='rgba(255,0,0,0.7)'; ctx2.arc(x*scale, y*scale, radius*scale, Math.PI * 2, false); ctx2.fill(); ctx2.restore(); } body = body.GetNext(); } ctx2.beginPath(); ctx2.moveTo(b.link0.GetPosition().x * scale, b.link0.GetPosition().y * scale); for (a = 1; 8 >= a; a++) { var fix = b["link" + (a )].GetPosition(), g = b["link" + a].GetPosition(); ctx2.quadraticCurveTo(fix.x*scale, fix.y*scale, (fix.x*scale+g.x*scale)/2, (fix.y*scale+g.y*scale)/2)} ctx2.lineWidth=5; ctx2.strokeStyle='blue'; ctx2.stroke();ctx2.shadowColor='white' ctx2.shadowBlur=30; ctx2.stroke(); ctx2.shadowBlur=0;ctx2.shadowColor='rgba(0,0,0,0)'; if(wheel.GetAngularVelocity() == 0 && wheel.GetLinearVelocity().y ==0 && !isDown ){run=false; pause=true } //if( wheel.GetAngularVelocity() !== 0 && wheel.GetLinearVelocity().y !==0 ){pause=false; run=true;} //world.ClearForces(); }; var trip, trop; function draw2(){ctx3.clearRect(0, 0, width, height);ctx3.drawImage(vid, ptsB[0][0]*scale+0.67*scale, ptsB[2][1]*scale+1.33*scale,6.6*scale,2.67*scale);} setTimeout(function(){trip=setInterval(draw2, 200)}, 5500) setTimeout(function(){clearInterval(trip); ctx3.clearRect(0, 0, width, height);}, 14500); redraw(ctx); var lx, ly, dist; canvas.onmousedown = function(e) {var p = getPos(e); cpIndex = -1;isDown = false; pIndex3 = -1; pIndex2 = -1; for (var i = 1; i < POINTS2.length-1; i++) { dist = Math.sqrt((POINTS2[i][1]-p[1])*(POINTS2[i][1]-p[1]) + (POINTS2[i][0]-p[0])*(POINTS2[i][0]-p[0])); if (dist < 0.83) {eraseline(); isDown = true; cpIndex = i; lx = p[0]-POINTS2[i][0] ; ly = p[1]-POINTS2[i][1]; eraseline();if(pause){pause=false; run=true;animate()}; }; } for (var j = 1; j < POINTS22.length-1; j++) { dist = Math.sqrt((POINTS22[j][1]-p[1])*(POINTS22[j][1]-p[1]) + (POINTS22[j][0]-p[0])*(POINTS22[j][0]-p[0])); if (dist < 0.83){ isDown2 = true; pIndex2 = j; lx = p[0]-POINTS22[j][0] ; ly = p[1]-POINTS22[j][1]; } }; } window.onmousemove = function(e) { if (isDown) {eraseline();var p = getPos(e); POINTS2[cpIndex][0]=p[0]-lx; POINTS2[cpIndex][1] = p[1]-ly;eraseline(); for(var i = 1; i < POINTS2.length-1; i++) { if(POINTS2[i][0]>ptsB[i][0]+0.83){POINTS2[i][0]=ptsB[i][0]+0.83}; if(POINTS2[i][0]<ptsB[i][0]-0.83){POINTS2[i][0]=ptsB[i][0]-0.83}; if(POINTS2[i][1]>ptsB[i][1]+0.83){POINTS2[i][1]=ptsB[i][1]+0.83}; if(POINTS2[i][1]<ptsB[i][1]-0.83){POINTS2[i][1]=ptsB[i][1]-0.83}; } eraseline(); redraw(ctx);eraseline();} if (isDown2) { var p = getPos(e); POINTS22[pIndex2][0] = p[0]-lx; POINTS22[pIndex2][1] = p[1]-ly; for (var j = 1; j < POINTS22.length-1; j++) { if(POINTS22[j][0]>ptsB2[j][0]+0.83/scale){POINTS22[j][0]=ptsB2[j][0]+0.83}; if(POINTS22[j][0]<ptsB2[j][0]-0.83){POINTS22[j][0]=ptsB2[j][0]-0.83}; if(POINTS22[j][1]>ptsB2[j][1]+0.83/scale){POINTS22[j][1]=ptsB2[j][1]+0.83}; if(POINTS22[j][1]<ptsB2[j][1]-0.83){POINTS22[j][1]=ptsB2[j][1]-0.83}; } eraseline(); redraw(ctx);}; }; window.onmouseup = function() { cpIndex=-1; isDown2=false;isDown3=false; isDown4=false;isDown = false;pIndex4=-1;pIndex3=-1; pIndex2=-1; }; function getPos(e) { var r=canvas.getBoundingClientRect(); return [x= (e.clientX-r.left)/scale, y= (e.clientY-r.top)/scale] } function eraseline() { var bodies = world.GetBodyList(); if(bodies.GetUserData() == "line"){world.DestroyBody(bodies)}} var trap, trup; function animate(){if(run && !pause) { trap = window.setTimeout(animate, 40 ); tick();}} function pause(){run = !run;if(run){animate()}}; window['onload'] = function doOnload() {animate(); } </script> </body></html>

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Height: px

code

<script type="text/javascript" src="http://jsdo.it/blogparts/2ymY/js"></script>

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forked: box2dweb free ball on

ohisama1

364/13/17
- animation
- art&design
- box2d
- box2dweb
- canvas
- css
- game
- html5_elements&api
- javascript
- other
- physics

box2dweb free ball on the curve

Description What kind of game?

Control Device

Fullscreen

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Default Panel

Size

code

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