Modulation

Developer
Scott R McGann
Size
7,132 Kb
Views
18,216
  1. Modulation Previews
  2. Modulation HTML Codes
  3. Modulation CSS Codes
  4. Modulation JS Codes

How do I make an modulation?

What is a modulation? How do you make a modulation? This script and codes were developed by Scott R McGann on 11 November 2022, Friday.

Modulation Previews
IQ Test

Modulation - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>modulation</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <script src="js/index.js"></script>
</body>
</html>

Modulation - Script Codes CSS Codes

html,body{	margin:0px;	width:100%;	height:100%;	overflow:hidden;	background:#000;
}
canvas{	position:absolute;	width:100%;	height:100%;
}

Modulation - Script Codes JS Codes

function project3D(x,y,z,vars){ var p,d; x-=vars.camX; y-=vars.camY; z-=vars.camZ; p=Math.atan2(x,z); d=Math.sqrt(x*x+z*z); x=Math.sin(p-vars.yaw)*d; z=Math.cos(p-vars.yaw)*d; p=Math.atan2(y,z); d=Math.sqrt(y*y+z*z); y=Math.sin(p-vars.pitch)*d; z=Math.cos(p-vars.pitch)*d; var rx1=-1000; var ry1=1; var rx2=1000; var ry2=1; var rx3=0; var ry3=0; var rx4=x; var ry4=z; var uc=(ry4-ry3)*(rx2-rx1)-(rx4-rx3)*(ry2-ry1); if(!uc) return {x:0,y:0,d:-1}; var ua=((rx4-rx3)*(ry1-ry3)-(ry4-ry3)*(rx1-rx3))/uc; var ub=((rx2-rx1)*(ry1-ry3)-(ry2-ry1)*(rx1-rx3))/uc; if(!z)z=0.000000001; if(ua>0&&ua<1&&ub>0&&ub<1){ return { x:vars.cx+(rx1+ua*(rx2-rx1))*vars.scale, y:vars.cy+y/z*vars.scale, d:Math.sqrt(x*x+y*y+z*z) }; }else{ return { x:vars.cx+(rx1+ua*(rx2-rx1))*vars.scale, y:vars.cy+y/z*vars.scale, d:-1 }; }
}
function elevation(x,y,z){ var dist = Math.sqrt(x*x+y*y+z*z); if(dist && z/dist>=-1 && z/dist <=1) return Math.acos(z / dist); return 0.00000001;
}
function rgb(col){ col += 0.000001; var r = parseInt((0.5+Math.sin(col)*0.5)*16); var g = parseInt((0.5+Math.cos(col)*0.5)*16); var b = parseInt((0.5-Math.sin(col)*0.5)*16); return "#"+r.toString(16)+g.toString(16)+b.toString(16);
}
function interpolateColors(RGB1,RGB2,degree){ var w2=degree; var w1=1-w2; return [w1*RGB1[0]+w2*RGB2[0],w1*RGB1[1]+w2*RGB2[1],w1*RGB1[2]+w2*RGB2[2]];
}
function rgbArray(col){ col += 0.000001; var r = parseInt((0.5+Math.sin(col)*0.5)*256); var g = parseInt((0.5+Math.cos(col)*0.5)*256); var b = parseInt((0.5-Math.sin(col)*0.5)*256); return [r, g, b];
}
function colorString(arr){ var r = parseInt(arr[0]); var g = parseInt(arr[1]); var b = parseInt(arr[2]); return "#"+("0" + r.toString(16) ).slice (-2)+("0" + g.toString(16) ).slice (-2)+("0" + b.toString(16) ).slice (-2);
}
function transformShape(shape,scaleX,scaleY,scaleZ){ for(var i=0;i<shape.polys.length;++i){ for(var j=0;j<shape.polys[i].segs.length;++j){ shape.polys[i].segs[j].a.x*=scaleX; shape.polys[i].segs[j].a.y*=scaleY; shape.polys[i].segs[j].a.z*=scaleZ; shape.polys[i].segs[j].b.x*=scaleX; shape.polys[i].segs[j].b.y*=scaleY; shape.polys[i].segs[j].b.z*=scaleZ; shape.polys[i].segs[j].oa.x=shape.polys[i].segs[j].a.x; shape.polys[i].segs[j].oa.y=shape.polys[i].segs[j].a.y; shape.polys[i].segs[j].oa.z=shape.polys[i].segs[j].a.z; shape.polys[i].segs[j].ob.x=shape.polys[i].segs[j].b.x; shape.polys[i].segs[j].ob.y=shape.polys[i].segs[j].b.y; shape.polys[i].segs[j].ob.z=shape.polys[i].segs[j].b.z; } }
}
function Vert(x,y,z){ this.x = x; this.y = y; this.z = z; this.ox = x; this.oy = y; this.oz = z;
}
function Seg(x1,y1,z1,x2,y2,z2){ this.a = new Vert(x1,y1,z1); this.b = new Vert(x2,y2,z2); this.oa = new Vert(x1,y1,z1); this.ob = new Vert(x2,y2,z2); this.dist=0;
}
function Polygon(){ this.verts=new Array(); this.dist=0;
}
function sortFunction(a,b){ return b.dist-a.dist;
}
function process(vars){ var p,d,t; p = Math.atan2(vars.camX, vars.camZ); d = Math.sqrt(vars.camX * vars.camX + vars.camZ * vars.camZ); d -= Math.sin(vars.frameNo / 80) / 20; t = Math.sin(vars.frameNo / 280) / 75; vars.camX = Math.sin(p + t) * d; vars.camZ = Math.cos(p + t) * d; vars.camY = -Math.sin(vars.frameNo / 120) *12; vars.yaw = Math.PI + p + t; vars.pitch = elevation(vars.camX, vars.camZ, vars.camY) - Math.PI / 2; var p1,p2,d1,d2,t,x1,y1,z1,x2,y2,z2,t; t=2.5+Math.sin(vars.frameNo/80)*2.5; for(var i=0;i<vars.shapes.length;++i){ for(var j=0;j<vars.shapes[i].polys.length;++j){ for(var k=0;k<vars.shapes[i].polys[j].segs.length;++k){ x1=vars.shapes[i].polys[j].segs[k].oa.x; y1=vars.shapes[i].polys[j].segs[k].oa.y; z1=vars.shapes[i].polys[j].segs[k].oa.z; p2=elevation(x1,y1,z1); t2=Math.sin(p2*2+vars.frameNo/35)/2; p1=Math.atan2(x1,y1)+t2; d1=Math.sqrt(x1*x1+y1*y1+z1*z1); d2=d1+Math.sin(p2*t+vars.frameNo/15)*1.75; vars.shapes[i].polys[j].segs[k].a.x=Math.sin(p1)*Math.sin(p2)*d2; vars.shapes[i].polys[j].segs[k].a.y=Math.cos(p1)*Math.sin(p2)*d2; vars.shapes[i].polys[j].segs[k].a.z=Math.cos(p2)*d1*2; x1=vars.shapes[i].polys[j].segs[k].ob.x; y1=vars.shapes[i].polys[j].segs[k].ob.y; z1=vars.shapes[i].polys[j].segs[k].ob.z; p2=elevation(x1,y1,z1); t2=Math.sin(p2*2+vars.frameNo/35)/2; p1=Math.atan2(x1,y1)+t2; d1=Math.sqrt(x1*x1+y1*y1+z1*z1); d2=d1+Math.sin(p2*t+vars.frameNo/15)*1.75; vars.shapes[i].polys[j].segs[k].b.x=Math.sin(p1)*Math.sin(p2)*d2; vars.shapes[i].polys[j].segs[k].b.y=Math.cos(p1)*Math.sin(p2)*d2; vars.shapes[i].polys[j].segs[k].b.z=Math.cos(p2)*d1*2; } } }
}
function drawFloor(vars){ var x,y,z,d,point,a; for (var i = -15; i <= 15; i++) { for (var j = -15; j <= 15; j++) { x = i*2; z = j*2; y = vars.floor; d = Math.sqrt(x * x + z * z); point = project3D(x, y-d*d/35, z, vars); if (point.d != -1) { size = 40000 / (1 + point.d*point.d); a = 0.2 - Math.pow(d / 30, 4) * 0.2; if (a > 0) { vars.ctx.fillStyle = colorString(interpolateColors(rgbArray(d/26-vars.frameNo/20),[0,128,32],.5+Math.sin(d/6-vars.frameNo/4)/2)); vars.ctx.globalAlpha = a; vars.ctx.fillRect(point.x-size/2,point.y-size/2,size,size); } size = 15000 / (1 + point.d*point.d); a = 0.5 - Math.pow(d / 30, 4) * 0.5; if (a > 0) { vars.ctx.fillStyle = colorString(interpolateColors(rgbArray(d/26-vars.frameNo/20),[0,128,32],.5+Math.sin(d/6-vars.frameNo/4)/2)); vars.ctx.globalAlpha = a; vars.ctx.fillRect(point.x-size/2,point.y-size/2,size,size); } } } } vars.ctx.fillStyle = "#82f"; for (var i = -15; i <= 15; i += 1) { for (var j = -15; j <= 15; j += 1) { x = i*2; z = j*2; y = -vars.floor; d = Math.sqrt(x * x + z * z); point = project3D(x, y+d*d/35, z, vars); if (point.d != -1) { size = 40000 / (1 + point.d*point.d); a = 0.2 - Math.pow(d / 30, 4) * 0.2; if (a > 0) { vars.ctx.fillStyle = colorString(interpolateColors(rgbArray(-d/26-vars.frameNo/20),[32,0,128],.5+Math.sin(-d/6-vars.frameNo/4)/2)); vars.ctx.globalAlpha = a; vars.ctx.fillRect(point.x-size/2,point.y-size/2,size,size); } size = 15000 / (1 + point.d*point.d); a = 0.5 - Math.pow(d / 30, 4) * 0.5; if (a > 0) { vars.ctx.fillStyle = colorString(interpolateColors(rgbArray(-d/26-vars.frameNo/20),[32,0,128],.5+Math.sin(-d/6-vars.frameNo/4)/2)); vars.ctx.globalAlpha = a; vars.ctx.fillRect(point.x-size/2,point.y-size/2,size,size); } } } }
}
function draw(vars){ vars.ctx.globalAlpha=.35; vars.ctx.fillStyle="#001";//rgb(vars.frameNo/10); vars.ctx.fillRect(0, 0, vars.canvas.width, vars.canvas.height); drawFloor(vars); var x1,y1,z1,x2,y2,z2,point1,point2; for(var i=0;i<vars.shapes.length;++i){ vars.shapes[i].polys.sort(sortFunction); for(var j=0;j<vars.shapes[i].polys.length;++j){ vars.ctx.globalAlpha=.45; vars.ctx.beginPath(); vars.ctx.fillStyle=rgb(vars.shapes[i].polys[j].segs[0].a.z/4-vars.frameNo/20); for(var k=0;k<=vars.shapes[i].polys[j].segs.length;++k){ x=vars.shapes[i].x+vars.shapes[i].polys[j].segs[k%vars.shapes[i].polys[j].segs.length].a.x; y=vars.shapes[i].y+vars.shapes[i].polys[j].segs[k%vars.shapes[i].polys[j].segs.length].a.y; z=vars.shapes[i].z+vars.shapes[i].polys[j].segs[k%vars.shapes[i].polys[j].segs.length].a.z; point1=project3D(x,y,z,vars); if(point1.d != -1){ vars.shapes[i].polys[j].dist=point1.d; if(!k){ vars.ctx.moveTo(point1.x,point1.y); }else{ vars.ctx.lineTo(point1.x,point1.y); } } } vars.ctx.fill(); vars.ctx.globalAlpha=.45; for(var k=0;k<vars.shapes[i].polys[j].segs.length;++k){ x=vars.shapes[i].x+vars.shapes[i].polys[j].segs[k].a.x; y=vars.shapes[i].y+vars.shapes[i].polys[j].segs[k].a.y; z=vars.shapes[i].z+vars.shapes[i].polys[j].segs[k].a.z; point1=project3D(x,y,z,vars); if(point1.d != -1){ x=vars.shapes[i].x+vars.shapes[i].polys[j].segs[k].b.x; y=vars.shapes[i].y+vars.shapes[i].polys[j].segs[k].b.y; z=vars.shapes[i].z+vars.shapes[i].polys[j].segs[k].b.z; point2=project3D(x,y,z,vars); if(point2.d != -1){ vars.ctx.strokeStyle="#fff"; vars.ctx.lineWidth=1+500/(1+point1.d*point1.d); vars.ctx.beginPath(); vars.ctx.moveTo(point1.x,point1.y); vars.ctx.lineTo(point2.x,point2.y); vars.ctx.stroke(); } } } } }
}
function subdivide(shape,subdivisions){ var t=shape.segs.length; for(var i=0;i<t;++i){ var x1=shape.segs[i].a.x; var y1=shape.segs[i].a.y; var z1=shape.segs[i].a.z; var x2=(shape.segs[i].b.x-x1)/subdivisions; var y2=(shape.segs[i].b.y-y1)/subdivisions; var z2=(shape.segs[i].b.z-z1)/subdivisions; shape.segs[i].b.x=x1+x2; shape.segs[i].b.y=y1+y2; shape.segs[i].b.z=z1+z2; var x3=x2; var y3=y2; var z3=z2; for(var k=0;k<subdivisions-1;++k){ shape.segs.push(new Seg(x1+x2,y1+y2,z1+z2,x1+x2+x3,y1+y2+y3,z1+z2+z3)); x2+=x3; y2+=y3; z2+=z3; } }
}
function loadCube(x,y,z,lineWidth){ var shape={}; shape.x=x; shape.y=y; shape.z=z; shape.segs=[]; shape.segs.push(new Seg(-1,-1,-1,1,-1,-1)); shape.segs.push(new Seg(1,-1,-1,1,1,-1)); shape.segs.push(new Seg(1,1,-1,-1,1,-1)); shape.segs.push(new Seg(-1,1,-1,-1,-1,-1)); shape.segs.push(new Seg(-1,-1,1,1,-1,1)); shape.segs.push(new Seg(1,-1,1,1,1,1)); shape.segs.push(new Seg(1,1,1,-1,1,1)); shape.segs.push(new Seg(-1,1,1,-1,-1,1)); shape.segs.push(new Seg(-1,-1,-1,-1,-1,1)); shape.segs.push(new Seg(1,-1,-1,1,-1,1)); shape.segs.push(new Seg(1,1,-1,1,1,1)); shape.segs.push(new Seg(-1,1,-1,-1,1,1)); shape.lineWidth=lineWidth; return shape;
}
function mobileCheck() { var check = false; (function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4))) check = true;})(navigator.userAgent||navigator.vendor||window.opera); return check;
}
function pushVert(p1,p2,dist,poly){ x=Math.sin(p1)*Math.sin(p2)*dist; z=Math.cos(p1)*Math.sin(p2)*dist; y=Math.cos(p2)*dist; poly.verts.push(new Vert(x,y,z));
}
function expandShape(shape,convexity){ for(j=0;j<shape.polys.length;++j){ for(k=0;k<shape.polys[j].verts.length;++k){ x=shape.polys[j].verts[k].x; y=shape.polys[j].verts[k].y; z=shape.polys[j].verts[k].z; d=Math.sqrt(x*x+y*y+z*z); p1=Math.atan2(x,y); p2=elevation(x,y,z); d2=d+(1-d)*convexity; shape.polys[j].verts[k].x=Math.sin(p1)*Math.sin(p2)*d2; shape.polys[j].verts[k].y=Math.cos(p1)*Math.sin(p2)*d2; shape.polys[j].verts[k].z=Math.cos(p2)*d2; } } return shape;
}
function segmentize(source){ var polys=[],x1,y1,z1,x2,y2,z2; for(var i=0;i<source.length;++i){ var poly={}; poly.segs=[]; for(var j=0;j<source[i].verts.length;++j){ x1=source[i].verts[j].x; y1=source[i].verts[j].y; z1=source[i].verts[j].z; if(j<source[i].verts.length-1){ x2=source[i].verts[j+1].x; y2=source[i].verts[j+1].y; z2=source[i].verts[j+1].z; }else{ x2=source[i].verts[0].x; y2=source[i].verts[0].y; z2=source[i].verts[0].z; } poly.segs.push(new Seg(x1,y1,z1,x2,y2,z2)); } polys.push(poly); } return polys;
}
function Shape(x,y,z){ this.polys=[]; this.x=x, this.y=y, this.z=z;
}
function Icosahedron(x,y,z){ var size=1, phi = 1.61803398875; this.polys=[]; this.x=x, this.y=y, this.z=z, this.dist=0; x1=-phi, y1=-1, z1=0, x2=phi, y2=-1, z2=0, x3=phi, y3=1, z3=0, x4=-phi, y4=1, z4=0, y5=-phi, z5=-1, x5=0, y6=phi, z6=-1, x6=0, y7=phi, z7=1, x7=0, y8=-phi, z8=1, x8=0, z9=-phi, x9=-1, y9=0, z10=phi, x10=-1, y10=0, z11=phi, x11=1, y11=0, z12=-phi, x12=1, y12=0; p={}; p.verts=[]; p.verts.push(new Vert(x1,y1,z1)); p.verts.push(new Vert(x5,y5,z5)); p.verts.push(new Vert(x8,y8,z8)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x2,y2,z2)); p.verts.push(new Vert(x5,y5,z5)); p.verts.push(new Vert(x8,y8,z8)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x3,y3,z3)); p.verts.push(new Vert(x6,y6,z6)); p.verts.push(new Vert(x7,y7,z7)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x4,y4,z4)); p.verts.push(new Vert(x6,y6,z6)); p.verts.push(new Vert(x7,y7,z7)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x9,y9,z9)); p.verts.push(new Vert(x12,y12,z12)); p.verts.push(new Vert(x5,y5,z5)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x9,y9,z9)); p.verts.push(new Vert(x12,y12,z12)); p.verts.push(new Vert(x6,y6,z6)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x10,y10,z10)); p.verts.push(new Vert(x11,y11,z11)); p.verts.push(new Vert(x7,y7,z7)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x10,y10,z10)); p.verts.push(new Vert(x11,y11,z11)); p.verts.push(new Vert(x8,y8,z8)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x1,y1,z1)); p.verts.push(new Vert(x9,y9,z9)); p.verts.push(new Vert(x4,y4,z4)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x1,y1,z1)); p.verts.push(new Vert(x10,y10,z10)); p.verts.push(new Vert(x4,y4,z4)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x2,y2,z2)); p.verts.push(new Vert(x11,y11,z11)); p.verts.push(new Vert(x3,y3,z3)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x2,y2,z2)); p.verts.push(new Vert(x12,y12,z12)); p.verts.push(new Vert(x3,y3,z3)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x2,y2,z2)); p.verts.push(new Vert(x11,y11,z11)); p.verts.push(new Vert(x8,y8,z8)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x2,y2,z2)); p.verts.push(new Vert(x12,y12,z12)); p.verts.push(new Vert(x5,y5,z5)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x1,y1,z1)); p.verts.push(new Vert(x10,y10,z10)); p.verts.push(new Vert(x8,y8,z8)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x1,y1,z1)); p.verts.push(new Vert(x9,y9,z9)); p.verts.push(new Vert(x5,y5,z5)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x4,y4,z4)); p.verts.push(new Vert(x9,y9,z9)); p.verts.push(new Vert(x6,y6,z6)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x3,y3,z3)); p.verts.push(new Vert(x12,y12,z12)); p.verts.push(new Vert(x6,y6,z6)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x4,y4,z4)); p.verts.push(new Vert(x10,y10,z10)); p.verts.push(new Vert(x7,y7,z7)); this.polys.push(p); p={}; p.verts=[]; p.verts.push(new Vert(x3,y3,z3)); p.verts.push(new Vert(x11,y11,z11)); p.verts.push(new Vert(x7,y7,z7)); this.polys.push(p);
}
function subdivide(shape,subdivisions){ for(var j=0;j<subdivisions;++j){ newShape=new Shape(shape.x,shape.y,shape.z); for(var k=0;k<shape.polys.length;++k){ x1=(shape.polys[k].verts[1].x+shape.polys[k].verts[0].x)/2; y1=(shape.polys[k].verts[1].y+shape.polys[k].verts[0].y)/2; z1=(shape.polys[k].verts[1].z+shape.polys[k].verts[0].z)/2; x2=(shape.polys[k].verts[2].x+shape.polys[k].verts[1].x)/2; y2=(shape.polys[k].verts[2].y+shape.polys[k].verts[1].y)/2; z2=(shape.polys[k].verts[2].z+shape.polys[k].verts[1].z)/2; x3=(shape.polys[k].verts[0].x+shape.polys[k].verts[2].x)/2; y3=(shape.polys[k].verts[0].y+shape.polys[k].verts[2].y)/2; z3=(shape.polys[k].verts[0].z+shape.polys[k].verts[2].z)/2; p=new Polygon(); p.verts.push(new Vert(shape.polys[k].verts[0].x,shape.polys[k].verts[0].y,shape.polys[k].verts[0].z)); p.verts.push(new Vert(x1,y1,z1)); p.verts.push(new Vert(x3,y3,z3)); newShape.polys.push(p); p=new Polygon(); p.verts.push(new Vert(x1,y1,z1)); p.verts.push(new Vert(shape.polys[k].verts[1].x,shape.polys[k].verts[1].y,shape.polys[k].verts[1].z)); p.verts.push(new Vert(x2,y2,z2)); newShape.polys.push(p); p=new Polygon(); p.verts.push(new Vert(x3,y3,z3)); p.verts.push(new Vert(x2,y2,z2)); p.verts.push(new Vert(shape.polys[k].verts[2].x,shape.polys[k].verts[2].y,shape.polys[k].verts[2].z)); newShape.polys.push(p); p=new Polygon(); p.verts.push(new Vert(x3,y3,z3)); p.verts.push(new Vert(x1,y1,z1)); p.verts.push(new Vert(x2,y2,z2)); newShape.polys.push(p); } shape=newShape; } return shape;
}
function truncate(shape,vars,modulate){ var x1,y1,z1,x2,y2,z2,seg,t,t2,polys; for(var i=0;i<shape.polys.length;++i){ t=shape.polys[i].segs.length; if(modulate){ t2=(2/3)*(1+Math.sin(vars.frameNo/10+Math.PI*2/shape.polys.length*i*4)/4); }else{ t2=(2/3); } shape.polys[i].col=t2; for(var j=0;j<t;++j){ x1=shape.polys[i].segs[j].a.x; y1=shape.polys[i].segs[j].a.y; z1=shape.polys[i].segs[j].a.z; x2=shape.polys[i].segs[j].b.x; y2=shape.polys[i].segs[j].b.y; z2=shape.polys[i].segs[j].b.z; shape.polys[i].segs[j].a.x=x2-(x2-x1)*t2; shape.polys[i].segs[j].a.y=y2-(y2-y1)*t2; shape.polys[i].segs[j].a.z=z2-(z2-z1)*t2; shape.polys[i].segs[j].b.x=x1+(x2-x1)*t2; shape.polys[i].segs[j].b.y=y1+(y2-y1)*t2; shape.polys[i].segs[j].b.z=z1+(z2-z1)*t2; } poly={}; poly.segs=[]; poly.col=shape.polys[i].col; for(var j=0;j<t;++j){ x1=shape.polys[i].segs[j].b.x; y1=shape.polys[i].segs[j].b.y; z1=shape.polys[i].segs[j].b.z; if(j<t-1){ x2=shape.polys[i].segs[j+1].a.x; y2=shape.polys[i].segs[j+1].a.y; z2=shape.polys[i].segs[j+1].a.z; }else{ x2=shape.polys[i].segs[0].a.x; y2=shape.polys[i].segs[0].a.y; z2=shape.polys[i].segs[0].a.z; } seg = new Seg(x1,y1,z1,x2,y2,z2); poly.segs.push(shape.polys[i].segs[j]); poly.segs.push(seg); } shape.polys[i]=poly; } return shape;
}
function loadScene(vars){ var x,y,z,x1,y1,z1,x2,y2,z2,x3,y3,z3; vars.shapes=[]; x=0; y=0; z=0; shape=new Icosahedron(x,y,z); shape=subdivide(shape,2); shape=expandShape(shape,1) shape.polys=segmentize(shape.polys); shape=truncate(shape,vars,0); vars.shapes.push(shape); transformShape(vars.shapes[vars.shapes.length-1],3.5,3.5,3.5);
}
function frame(vars) { if(vars === undefined){ var vars={}; vars.canvas=document.createElement("canvas"); document.body.appendChild(vars.canvas); vars.ctx = vars.canvas.getContext("2d"); vars.canvas.width = document.body.clientWidth; vars.canvas.height = document.body.clientHeight; window.addEventListener("resize", function(){ vars.canvas.width = document.body.clientWidth; vars.canvas.height = document.body.clientHeight; vars.cx=vars.canvas.width/2; vars.cy=vars.canvas.height/2; loadScene(vars); }, true); vars.canvas.oncontextmenu = function (e) { e.preventDefault(); }; vars.canvas.addEventListener("mousemove", function(e){ var rect = vars.canvas.getBoundingClientRect(); vars.mx = Math.round((e.clientX-rect.left)/(rect.right-rect.left)*vars.canvas.width); vars.my = Math.round((e.clientY-rect.top)/(rect.bottom-rect.top)*vars.canvas.height); }, true); vars.canvas.addEventListener("mousedown", function(e){ switch(e.which){ case 1: vars.leftButton=1; break; case 3: vars.rightButton=1; break; } }, true); vars.canvas.addEventListener("mouseup", function(e){ switch(e.which){ case 1: vars.leftButton=0; break; case 3: vars.rightButton=0; break; } }, true); vars.canvas.addEventListener("mousewheel", function(e){ var e = window.event || e; // old IE support vars.wheelDelta = Math.max(-1, Math.min(1, (e.wheelDelta/120 || -e.detail))); }, true); vars.canvas.addEventListener("touchstart", function(e){ vars.leftButton=1; e.preventDefault(); var rect = vars.canvas.getBoundingClientRect(); vars.omx=vars.mx; vars.omy=vars.my; vars.mx = Math.round((e.changedTouches[0].pageX-rect.left)/(rect.right-rect.left)*vars.canvas.width); vars.my = Math.round((e.changedTouches[0].pageY-rect.top)/(rect.bottom-rect.top)*vars.canvas.height); }, true); vars.canvas.addEventListener("touchend", function(e){ vars.leftButton=0; }, true); vars.canvas.addEventListener("touchmove", function(e){ e.preventDefault(); var rect = vars.canvas.getBoundingClientRect(); vars.mx = Math.round((e.changedTouches[0].pageX-rect.left)/(rect.right-rect.left)*vars.canvas.width); vars.my = Math.round((e.changedTouches[0].pageY-rect.top)/(rect.bottom-rect.top)*vars.canvas.height); }, true); vars.frameNo=0; vars.camX = 0; vars.camY = 0; vars.camZ = -22; vars.pitch = 0; vars.yaw = 0; vars.cx=vars.canvas.width/2; vars.cy=vars.canvas.height/2; vars.mx=vars.cx; vars.my=vars.cy; vars.bounding=10; vars.scale=1000; vars.floor=25; loadScene(vars); } vars.frameNo++; requestAnimationFrame(function() { frame(vars); }); process(vars); draw(vars);
}
frame();
Modulation - Script Codes
Modulation - Script Codes
Home Page Home
Developer Scott R McGann
Username cantelope
Uploaded November 11, 2022
Rating 3.5
Size 7,132 Kb
Views 18,216
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Scott R McGann (cantelope) Script Codes
Name
WebGL Colors
Jiggleballs
Js1k6
Pulse
Dimples
Formations
Background
Road2
A Pen by Scott R McGann
Road
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