Change style for better readability.

style.css overhaul, now resembles windows 3.1 UI. slight change to intro text. reposition buttons to right edge. projects box. diheap project summary and download page.
author: Jon Santmyer <jon@jonsantmyer.com> 2021-12-29 12:11:44 -0500
committer: Jon Santmyer <jon@jonsantmyer.com> 2021-12-29 12:11:44 -0500
commit: d574b18884401d2a0a1f8d4422c1512de3dcbee6 (patch)
tree: f08466db076564aae7bfa685a9a733bfc20c3dd7
parent: 9acfb6bfffc31e39dfb273f870a2235e5968ffc9 (diff)
download: website-d574b18884401d2a0a1f8d4422c1512de3dcbee6.tar.gz
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website-d574b18884401d2a0a1f8d4422c1512de3dcbee6.zip
9 files changed, 207 insertions, 301 deletions
diff --git a/blockgame/camera.js b/blockgame/camera.js
deleted file mode 100644
index f696441..0000000
--- a/blockgame/camera.js
+++ /dev/null
@@ -1,42 +0,0 @@
-export class Camera {
-	constructor(gl) {
-		const fieldOfView = 45 * Math.PI / 180;   // in radians
-		const aspect = gl.canvas.clientWidth / gl.canvas.clientHeight;
-		const zNear = 0.1;
-		const zFar = 100.0;
-		const projectionMatrix = mat4.create();
-		
-		// note: glmatrix.js always has the first argument
-		// as the destination to receive the result.
-		mat4.perspective(projectionMatrix,
-		                 fieldOfView,
-		                 aspect,
-		                 zNear,
-		                 zFar);
-		
-		// Set the drawing position to the "identity" point, which is
-		// the center of the scene.
-		const modelViewMatrix = mat4.create();
-		
-		// Now move the drawing position a bit to where we want to
-		// start drawing the square.
-		
-		mat4.translate(modelViewMatrix,     // destination matrix
-		               modelViewMatrix,     // matrix to translate
-		               [-0.0, 0.0, -6.0]);  // amount to translate
-
-		this.mvmatrix = modelViewMatrix;
-		this.pmatrix = projectionMatrix;
-	}
-
-	use(gl, shader) {
-		gl.uniformMatrix4fv(
-		    shader.uniforms.projectionMatrix,
-		    false,
-		    this.pmatrix);
-		gl.uniformMatrix4fv(
-		    shader.uniforms.modelViewMatrix,
-		    false,
-		    this.mvmatrix);
-	}
-}
diff --git a/blockgame/index.html b/blockgame/index.html
deleted file mode 100644
index 96dc561..0000000
--- a/blockgame/index.html
+++ /dev/null
@@ -1,18 +0,0 @@
-<!DOCTYPE html>
-
-<html>
-    <head>
-        <title>WebGL Block Game</title>
-        <link rel="stylesheet" href="/style.css">
-
-	<script src="webgl-min.js"></script>
-    </head>
-    <body>
-	<center>
-		<div style="margin: 0;position:absolute;top:50%;left:50%;-ms-transform:translate(-50%, -50%);transform:translate(-50%, -50%);">
-        	<canvas id="glCanvas" width="1024" height="768"></canvas>
-		</div>
-	</center>
-	<script type="module" src="main.js"></script>
-    </body>
-</html>
diff --git a/blockgame/main.js b/blockgame/main.js
deleted file mode 100644
index d797889..0000000
--- a/blockgame/main.js
+++ /dev/null
@@ -1,98 +0,0 @@
-import * as _shaders from "./shaders.js"
-import * as _mesh from "./mesh.js"
-import * as _camera from "./camera.js"
-
-/*function drawScene(gl, shader, camera, mesh) {
-	gl.clearColor(0.0, 0.0, 0.0, 1.0);
-	gl.clearDepth(1.0);
-	gl.enable(gl.DEPTH_TEST);
-	gl.depthFunc(gl.LEQUAL);
-
-	gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
-
-	gl.useProgram(shader.program);
-	camera.use(gl, shader);
-
-	gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
-}
-
-function main() {
-	const canvas = document.querySelector("#glCanvas");
-	const gl = canvas.getContext("webgl")
-	
-	if(gl == null) {
-	    alert("Unable to initialize WebGL.");
-	    return;
-	}
-	
-	const shader = _shaders.init(gl);
-	const mesh = new _mesh.Mesh(gl, 2);
-	const camera = new _camera.Camera(gl, 45, 0.1, 1000.0);
-	camera.setpos(vec3.create(0, 0, -6.0));
-
-	mesh.add_positions(gl, 
-		[-1.0,   1.0, 
-		  1.0,   1.0, 
-		 -1.0,  -1.0,
-		  1.0,  -1.0]);
-	mesh.addattrib(gl, shader, mesh.posbuffer, 2, gl.FLOAT, false, 0, 0);
-
-	drawScene(gl, shader, camera, mesh);
-
-	console.log(mesh);
-	console.log(camera);
-	console.log(shader);
-}*/
-
-main();
-
-//
-// Start here
-//
-function main() {
-	const canvas = document.querySelector('#glCanvas');
-	const gl = canvas.getContext('webgl');
-	
-	// If we don't have a GL context, give up now
-	
-	if (!gl) {
-	  alert('Unable to initialize WebGL. Your browser or machine may not support it.');
-	  return;
-	}
-	
-	// Vertex shader program
-	const shader = _shaders.init(gl);
-	const mesh = new _mesh.Mesh(gl, 2);
-	const camera = new _camera.Camera(gl);
-	
-	const positions = [
-	   1.0,  1.0,
-	  -1.0,  1.0,
-	   1.0, -1.0,
-	  -1.0, -1.0,
-	];
-	mesh.add_positions(gl, positions);
-	
-	drawScene(gl, shader, camera, mesh);
-}
-
-function drawScene(gl, shader, camera, mesh) {
-  gl.clearColor(0.0, 0.0, 0.0, 1.0);  // Clear to black, fully opaque
-  gl.clearDepth(1.0);                 // Clear everything
-  gl.enable(gl.DEPTH_TEST);           // Enable depth testing
-  gl.depthFunc(gl.LEQUAL);            // Near things obscure far things
-
-  gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
-  mesh.addattrib(gl, shader, mesh.posbuffer, 2, gl.FLOAT, false, 0, 0);
-
-  gl.useProgram(shader.program);
-  camera.use(gl, shader);
-
-  {
-    const offset = 0;
-    const vertexCount = 4;
-    gl.drawArrays(gl.TRIANGLE_STRIP, offset, vertexCount);
-  }
-}
-
-//window.onload = main;
diff --git a/blockgame/mesh.js b/blockgame/mesh.js
deleted file mode 100644
index 0e39fd0..0000000
--- a/blockgame/mesh.js
+++ /dev/null
@@ -1,24 +0,0 @@
-
-export class Mesh {
-	constructor(gl, dims) {
-		this.posbuffer = gl.createBuffer();
-		this.dimensions = dims;
-	}
-
-	add_positions(gl, positions) {
-		gl.bindBuffer(gl.ARRAY_BUFFER, this.posbuffer);
-		gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
-	}
-
-	addattrib(gl, shader, buffer, components, type, normalized, stride, offset) {
-		gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
-		gl.vertexAttribPointer(
-			shader.attribs.position,
-			components,
-			type,
-			normalized,
-			stride,
-			offset);
-		gl.enableVertexAttribArray(shader.attribs.position);
-	}
-}
diff --git a/blockgame/shaders.js b/blockgame/shaders.js
deleted file mode 100644
index 6a6e9af..0000000
--- a/blockgame/shaders.js
+++ /dev/null
@@ -1,67 +0,0 @@
-
-const vs_src = `
-  attribute vec4 aVertexPosition;
-
-  uniform mat4 uModelViewMatrix;
-  uniform mat4 uProjectionMatrix;
-
-  void main() {
-    gl_Position = uProjectionMatrix * uModelViewMatrix * aVertexPosition;
-  }
-`;
-
-// Fragment shader program
-
-const fs_src = `
-  void main() {
-    gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
-  }
-`;
-
-export class ShaderInfo {
-	constructor(gl, program) {
-		this.program = program;
-
-		this.attribs = {
-			position: gl.getAttribLocation(program, 'aVertexPosition')
-		};
-
-		this.uniforms = {
-			projectionMatrix: gl.getUniformLocation(program, 'uProjectionMatrix'),
-			modelViewMatrix: gl.getUniformLocation(program, 'uModelViewMatrix')
-		};
-	}
-}
-
-export function init(gl) {
-	const vshader = loadShader(gl, gl.VERTEX_SHADER, vs_src);
-	const fshader = loadShader(gl, gl.FRAGMENT_SHADER, fs_src);
-
-	let program = gl.createProgram();
-	gl.attachShader(program, vshader);
-	gl.attachShader(program, fshader);
-
-	gl.linkProgram(program);
-
-	if(!gl.getProgramParameter(program, gl.LINK_STATUS)) {
-		alert("Unable to initialize shader program: " + gl.getProgramInfoLog(program));
-		return null;
-	}
-
-	return new ShaderInfo(gl, program);
-}
-
-export function loadShader(gl, type, src){
-	const shader = gl.createShader(type)
-
-	gl.shaderSource(shader, src);
-	gl.compileShader(shader);
-
-	if(!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
-		alert('Failed to compile shader : ' + gl.getShaderInfoLog(shader));
-		gl.deleteShader(shader);
-		return null;
-	}
-
-	return shader;
-}
diff --git a/blockgame/webgl-min.js b/blockgame/webgl-min.js
deleted file mode 100644
index b52c082..0000000
--- a/blockgame/webgl-min.js
+++ /dev/null
@@ -1,28 +0,0 @@
-/*!
-@fileoverview gl-matrix - High performance matrix and vector operations
-@author Brandon Jones
-@author Colin MacKenzie IV
-@version 2.7.0
-
-Copyright (c) 2015-2018, Brandon Jones, Colin MacKenzie IV.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-
-*/
-!function(t,n){if("object"==typeof exports&&"object"==typeof module)module.exports=n();else if("function"==typeof define&&define.amd)define([],n);else{var r=n();for(var a in r)("object"==typeof exports?exports:t)[a]=r[a]}}("undefined"!=typeof self?self:this,function(){return function(t){var n={};function r(a){if(n[a])return n[a].exports;var e=n[a]={i:a,l:!1,exports:{}};return t[a].call(e.exports,e,e.exports,r),e.l=!0,e.exports}return r.m=t,r.c=n,r.d=function(t,n,a){r.o(t,n)||Object.defineProperty(t,n,{enumerable:!0,get:a})},r.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},r.t=function(t,n){if(1&n&&(t=r(t)),8&n)return t;if(4&n&&"object"==typeof t&&t&&t.__esModule)return t;var a=Object.create(null);if(r.r(a),Object.defineProperty(a,"default",{enumerable:!0,value:t}),2&n&&"string"!=typeof t)for(var e in t)r.d(a,e,function(n){return t[n]}.bind(null,e));return 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S=1/S,t[0]=(i*L-s*Y+c*_)*S,t[1]=(e*Y-a*L-u*_)*S,t[2]=(d*R-b*O+m*E)*S,t[3]=(h*O-M*R-l*E)*S,t[4]=(s*x-o*L-c*q)*S,t[5]=(r*L-e*x+u*q)*S,t[6]=(b*A-v*R-m*P)*S,t[7]=(f*R-h*A+l*P)*S,t[8]=(o*Y-i*x+c*y)*S,t[9]=(a*x-r*Y-u*y)*S,t[10]=(v*O-d*A+m*p)*S,t[11]=(M*A-f*O-l*p)*S,t[12]=(i*q-o*_-s*y)*S,t[13]=(r*_-a*q+e*y)*S,t[14]=(d*P-v*E-b*p)*S,t[15]=(f*E-M*P+h*p)*S,t},n.adjoint=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=n[9],h=n[10],l=n[11],v=n[12],d=n[13],b=n[14],m=n[15];return t[0]=i*(h*m-l*b)-M*(s*m-c*b)+d*(s*l-c*h),t[1]=-(a*(h*m-l*b)-M*(e*m-u*b)+d*(e*l-u*h)),t[2]=a*(s*m-c*b)-i*(e*m-u*b)+d*(e*c-u*s),t[3]=-(a*(s*l-c*h)-i*(e*l-u*h)+M*(e*c-u*s)),t[4]=-(o*(h*m-l*b)-f*(s*m-c*b)+v*(s*l-c*h)),t[5]=r*(h*m-l*b)-f*(e*m-u*b)+v*(e*l-u*h),t[6]=-(r*(s*m-c*b)-o*(e*m-u*b)+v*(e*c-u*s)),t[7]=r*(s*l-c*h)-o*(e*l-u*h)+f*(e*c-u*s),t[8]=o*(M*m-l*d)-f*(i*m-c*d)+v*(i*l-c*M),t[9]=-(r*(M*m-l*d)-f*(a*m-u*d)+v*(a*l-u*M)),t[10]=r*(i*m-c*d)-o*(a*m-u*d)+v*(a*c-u*i),t[11]=-(r*(i*l-c*M)-o*(a*l-u*M)+f*(a*c-u*i)),t[12]=-(o*(M*b-h*d)-f*(i*b-s*d)+v*(i*h-s*M)),t[13]=r*(M*b-h*d)-f*(a*b-e*d)+v*(a*h-e*M),t[14]=-(r*(i*b-s*d)-o*(a*b-e*d)+v*(a*s-e*i)),t[15]=r*(i*h-s*M)-o*(a*h-e*M)+f*(a*s-e*i),t},n.determinant=function(t){var n=t[0],r=t[1],a=t[2],e=t[3],u=t[4],o=t[5],i=t[6],s=t[7],c=t[8],f=t[9],M=t[10],h=t[11],l=t[12],v=t[13],d=t[14],b=t[15];return(n*o-r*u)*(M*b-h*d)-(n*i-a*u)*(f*b-h*v)+(n*s-e*u)*(f*d-M*v)+(r*i-a*o)*(c*b-h*l)-(r*s-e*o)*(c*d-M*l)+(a*s-e*i)*(c*v-f*l)},n.multiply=u,n.translate=function(t,n,r){var a=r[0],e=r[1],u=r[2],o=void 0,i=void 0,s=void 0,c=void 0,f=void 0,M=void 0,h=void 0,l=void 0,v=void 0,d=void 0,b=void 0,m=void 0;n===t?(t[12]=n[0]*a+n[4]*e+n[8]*u+n[12],t[13]=n[1]*a+n[5]*e+n[9]*u+n[13],t[14]=n[2]*a+n[6]*e+n[10]*u+n[14],t[15]=n[3]*a+n[7]*e+n[11]*u+n[15]):(o=n[0],i=n[1],s=n[2],c=n[3],f=n[4],M=n[5],h=n[6],l=n[7],v=n[8],d=n[9],b=n[10],m=n[11],t[0]=o,t[1]=i,t[2]=s,t[3]=c,t[4]=f,t[5]=M,t[6]=h,t[7]=l,t[8]=v,t[9]=d,t[10]=b,t[11]=m,t[12]=o*a+f*e+v*u+n[12],t[13]=i*a+M*e+d*u+n[13],t[14]=s*a+h*e+b*u+n[14],t[15]=c*a+l*e+m*u+n[15]);return t},n.scale=function(t,n,r){var a=r[0],e=r[1],u=r[2];return t[0]=n[0]*a,t[1]=n[1]*a,t[2]=n[2]*a,t[3]=n[3]*a,t[4]=n[4]*e,t[5]=n[5]*e,t[6]=n[6]*e,t[7]=n[7]*e,t[8]=n[8]*u,t[9]=n[9]*u,t[10]=n[10]*u,t[11]=n[11]*u,t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],t},n.rotate=function(t,n,r,e){var u=e[0],o=e[1],i=e[2],s=Math.sqrt(u*u+o*o+i*i),c=void 0,f=void 0,M=void 0,h=void 0,l=void 0,v=void 0,d=void 0,b=void 0,m=void 0,p=void 0,P=void 0,A=void 0,E=void 0,O=void 0,R=void 0,y=void 0,q=void 0,x=void 0,_=void 0,Y=void 0,L=void 0,S=void 0,w=void 0,I=void 0;if(s<a.EPSILON)return null;u*=s=1/s,o*=s,i*=s,c=Math.sin(r),f=Math.cos(r),M=1-f,h=n[0],l=n[1],v=n[2],d=n[3],b=n[4],m=n[5],p=n[6],P=n[7],A=n[8],E=n[9],O=n[10],R=n[11],y=u*u*M+f,q=o*u*M+i*c,x=i*u*M-o*c,_=u*o*M-i*c,Y=o*o*M+f,L=i*o*M+u*c,S=u*i*M+o*c,w=o*i*M-u*c,I=i*i*M+f,t[0]=h*y+b*q+A*x,t[1]=l*y+m*q+E*x,t[2]=v*y+p*q+O*x,t[3]=d*y+P*q+R*x,t[4]=h*_+b*Y+A*L,t[5]=l*_+m*Y+E*L,t[6]=v*_+p*Y+O*L,t[7]=d*_+P*Y+R*L,t[8]=h*S+b*w+A*I,t[9]=l*S+m*w+E*I,t[10]=v*S+p*w+O*I,t[11]=d*S+P*w+R*I,n!==t&&(t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t},n.rotateX=function(t,n,r){var a=Math.sin(r),e=Math.cos(r),u=n[4],o=n[5],i=n[6],s=n[7],c=n[8],f=n[9],M=n[10],h=n[11];n!==t&&(t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[4]=u*e+c*a,t[5]=o*e+f*a,t[6]=i*e+M*a,t[7]=s*e+h*a,t[8]=c*e-u*a,t[9]=f*e-o*a,t[10]=M*e-i*a,t[11]=h*e-s*a,t},n.rotateY=function(t,n,r){var a=Math.sin(r),e=Math.cos(r),u=n[0],o=n[1],i=n[2],s=n[3],c=n[8],f=n[9],M=n[10],h=n[11];n!==t&&(t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[0]=u*e-c*a,t[1]=o*e-f*a,t[2]=i*e-M*a,t[3]=s*e-h*a,t[8]=u*a+c*e,t[9]=o*a+f*e,t[10]=i*a+M*e,t[11]=s*a+h*e,t},n.rotateZ=function(t,n,r){var a=Math.sin(r),e=Math.cos(r),u=n[0],o=n[1],i=n[2],s=n[3],c=n[4],f=n[5],M=n[6],h=n[7];n!==t&&(t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[0]=u*e+c*a,t[1]=o*e+f*a,t[2]=i*e+M*a,t[3]=s*e+h*a,t[4]=c*e-u*a,t[5]=f*e-o*a,t[6]=M*e-i*a,t[7]=h*e-s*a,t},n.fromTranslation=function(t,n){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=n[0],t[13]=n[1],t[14]=n[2],t[15]=1,t},n.fromScaling=function(t,n){return t[0]=n[0],t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n[1],t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=n[2],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromRotation=function(t,n,r){var e=r[0],u=r[1],o=r[2],i=Math.sqrt(e*e+u*u+o*o),s=void 0,c=void 0,f=void 0;if(i<a.EPSILON)return null;return e*=i=1/i,u*=i,o*=i,s=Math.sin(n),c=Math.cos(n),f=1-c,t[0]=e*e*f+c,t[1]=u*e*f+o*s,t[2]=o*e*f-u*s,t[3]=0,t[4]=e*u*f-o*s,t[5]=u*u*f+c,t[6]=o*u*f+e*s,t[7]=0,t[8]=e*o*f+u*s,t[9]=u*o*f-e*s,t[10]=o*o*f+c,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromXRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=a,t[6]=r,t[7]=0,t[8]=0,t[9]=-r,t[10]=a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromYRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=a,t[1]=0,t[2]=-r,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=r,t[9]=0,t[10]=a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromZRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=a,t[1]=r,t[2]=0,t[3]=0,t[4]=-r,t[5]=a,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.fromRotationTranslation=o,n.fromQuat2=function(t,n){var r=new a.ARRAY_TYPE(3),e=-n[0],u=-n[1],i=-n[2],s=n[3],c=n[4],f=n[5],M=n[6],h=n[7],l=e*e+u*u+i*i+s*s;l>0?(r[0]=2*(c*s+h*e+f*i-M*u)/l,r[1]=2*(f*s+h*u+M*e-c*i)/l,r[2]=2*(M*s+h*i+c*u-f*e)/l):(r[0]=2*(c*s+h*e+f*i-M*u),r[1]=2*(f*s+h*u+M*e-c*i),r[2]=2*(M*s+h*i+c*u-f*e));return o(t,n,r),t},n.getTranslation=function(t,n){return t[0]=n[12],t[1]=n[13],t[2]=n[14],t},n.getScaling=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[4],o=n[5],i=n[6],s=n[8],c=n[9],f=n[10];return t[0]=Math.sqrt(r*r+a*a+e*e),t[1]=Math.sqrt(u*u+o*o+i*i),t[2]=Math.sqrt(s*s+c*c+f*f),t},n.getRotation=function(t,n){var r=n[0]+n[5]+n[10],a=0;r>0?(a=2*Math.sqrt(r+1),t[3]=.25*a,t[0]=(n[6]-n[9])/a,t[1]=(n[8]-n[2])/a,t[2]=(n[1]-n[4])/a):n[0]>n[5]&&n[0]>n[10]?(a=2*Math.sqrt(1+n[0]-n[5]-n[10]),t[3]=(n[6]-n[9])/a,t[0]=.25*a,t[1]=(n[1]+n[4])/a,t[2]=(n[8]+n[2])/a):n[5]>n[10]?(a=2*Math.sqrt(1+n[5]-n[0]-n[10]),t[3]=(n[8]-n[2])/a,t[0]=(n[1]+n[4])/a,t[1]=.25*a,t[2]=(n[6]+n[9])/a):(a=2*Math.sqrt(1+n[10]-n[0]-n[5]),t[3]=(n[1]-n[4])/a,t[0]=(n[8]+n[2])/a,t[1]=(n[6]+n[9])/a,t[2]=.25*a);return t},n.fromRotationTranslationScale=function(t,n,r,a){var e=n[0],u=n[1],o=n[2],i=n[3],s=e+e,c=u+u,f=o+o,M=e*s,h=e*c,l=e*f,v=u*c,d=u*f,b=o*f,m=i*s,p=i*c,P=i*f,A=a[0],E=a[1],O=a[2];return t[0]=(1-(v+b))*A,t[1]=(h+P)*A,t[2]=(l-p)*A,t[3]=0,t[4]=(h-P)*E,t[5]=(1-(M+b))*E,t[6]=(d+m)*E,t[7]=0,t[8]=(l+p)*O,t[9]=(d-m)*O,t[10]=(1-(M+v))*O,t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t},n.fromRotationTranslationScaleOrigin=function(t,n,r,a,e){var u=n[0],o=n[1],i=n[2],s=n[3],c=u+u,f=o+o,M=i+i,h=u*c,l=u*f,v=u*M,d=o*f,b=o*M,m=i*M,p=s*c,P=s*f,A=s*M,E=a[0],O=a[1],R=a[2],y=e[0],q=e[1],x=e[2],_=(1-(d+m))*E,Y=(l+A)*E,L=(v-P)*E,S=(l-A)*O,w=(1-(h+m))*O,I=(b+p)*O,N=(v+P)*R,g=(b-p)*R,T=(1-(h+d))*R;return t[0]=_,t[1]=Y,t[2]=L,t[3]=0,t[4]=S,t[5]=w,t[6]=I,t[7]=0,t[8]=N,t[9]=g,t[10]=T,t[11]=0,t[12]=r[0]+y-(_*y+S*q+N*x),t[13]=r[1]+q-(Y*y+w*q+g*x),t[14]=r[2]+x-(L*y+I*q+T*x),t[15]=1,t},n.fromQuat=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=r+r,i=a+a,s=e+e,c=r*o,f=a*o,M=a*i,h=e*o,l=e*i,v=e*s,d=u*o,b=u*i,m=u*s;return t[0]=1-M-v,t[1]=f+m,t[2]=h-b,t[3]=0,t[4]=f-m,t[5]=1-c-v,t[6]=l+d,t[7]=0,t[8]=h+b,t[9]=l-d,t[10]=1-c-M,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},n.frustum=function(t,n,r,a,e,u,o){var i=1/(r-n),s=1/(e-a),c=1/(u-o);return t[0]=2*u*i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=2*u*s,t[6]=0,t[7]=0,t[8]=(r+n)*i,t[9]=(e+a)*s,t[10]=(o+u)*c,t[11]=-1,t[12]=0,t[13]=0,t[14]=o*u*2*c,t[15]=0,t},n.perspective=function(t,n,r,a,e){var u=1/Math.tan(n/2),o=void 0;t[0]=u/r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=u,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=e&&e!==1/0?(o=1/(a-e),t[10]=(e+a)*o,t[14]=2*e*a*o):(t[10]=-1,t[14]=-2*a);return t},n.perspectiveFromFieldOfView=function(t,n,r,a){var e=Math.tan(n.upDegrees*Math.PI/180),u=Math.tan(n.downDegrees*Math.PI/180),o=Math.tan(n.leftDegrees*Math.PI/180),i=Math.tan(n.rightDegrees*Math.PI/180),s=2/(o+i),c=2/(e+u);return t[0]=s,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=c,t[6]=0,t[7]=0,t[8]=-(o-i)*s*.5,t[9]=(e-u)*c*.5,t[10]=a/(r-a),t[11]=-1,t[12]=0,t[13]=0,t[14]=a*r/(r-a),t[15]=0,t},n.ortho=function(t,n,r,a,e,u,o){var i=1/(n-r),s=1/(a-e),c=1/(u-o);return t[0]=-2*i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*s,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*c,t[11]=0,t[12]=(n+r)*i,t[13]=(e+a)*s,t[14]=(o+u)*c,t[15]=1,t},n.lookAt=function(t,n,r,u){var o=void 0,i=void 0,s=void 0,c=void 0,f=void 0,M=void 0,h=void 0,l=void 0,v=void 0,d=void 0,b=n[0],m=n[1],p=n[2],P=u[0],A=u[1],E=u[2],O=r[0],R=r[1],y=r[2];if(Math.abs(b-O)<a.EPSILON&&Math.abs(m-R)<a.EPSILON&&Math.abs(p-y)<a.EPSILON)return e(t);h=b-O,l=m-R,v=p-y,d=1/Math.sqrt(h*h+l*l+v*v),o=A*(v*=d)-E*(l*=d),i=E*(h*=d)-P*v,s=P*l-A*h,(d=Math.sqrt(o*o+i*i+s*s))?(o*=d=1/d,i*=d,s*=d):(o=0,i=0,s=0);c=l*s-v*i,f=v*o-h*s,M=h*i-l*o,(d=Math.sqrt(c*c+f*f+M*M))?(c*=d=1/d,f*=d,M*=d):(c=0,f=0,M=0);return t[0]=o,t[1]=c,t[2]=h,t[3]=0,t[4]=i,t[5]=f,t[6]=l,t[7]=0,t[8]=s,t[9]=M,t[10]=v,t[11]=0,t[12]=-(o*b+i*m+s*p),t[13]=-(c*b+f*m+M*p),t[14]=-(h*b+l*m+v*p),t[15]=1,t},n.targetTo=function(t,n,r,a){var e=n[0],u=n[1],o=n[2],i=a[0],s=a[1],c=a[2],f=e-r[0],M=u-r[1],h=o-r[2],l=f*f+M*M+h*h;l>0&&(l=1/Math.sqrt(l),f*=l,M*=l,h*=l);var v=s*h-c*M,d=c*f-i*h,b=i*M-s*f;(l=v*v+d*d+b*b)>0&&(l=1/Math.sqrt(l),v*=l,d*=l,b*=l);return t[0]=v,t[1]=d,t[2]=b,t[3]=0,t[4]=M*b-h*d,t[5]=h*v-f*b,t[6]=f*d-M*v,t[7]=0,t[8]=f,t[9]=M,t[10]=h,t[11]=0,t[12]=e,t[13]=u,t[14]=o,t[15]=1,t},n.str=function(t){return"mat4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+", "+t[9]+", "+t[10]+", "+t[11]+", "+t[12]+", "+t[13]+", "+t[14]+", "+t[15]+")"},n.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2)+Math.pow(t[9],2)+Math.pow(t[10],2)+Math.pow(t[11],2)+Math.pow(t[12],2)+Math.pow(t[13],2)+Math.pow(t[14],2)+Math.pow(t[15],2))},n.add=function(t,n,r){return t[0]=n[0]+r[0],t[1]=n[1]+r[1],t[2]=n[2]+r[2],t[3]=n[3]+r[3],t[4]=n[4]+r[4],t[5]=n[5]+r[5],t[6]=n[6]+r[6],t[7]=n[7]+r[7],t[8]=n[8]+r[8],t[9]=n[9]+r[9],t[10]=n[10]+r[10],t[11]=n[11]+r[11],t[12]=n[12]+r[12],t[13]=n[13]+r[13],t[14]=n[14]+r[14],t[15]=n[15]+r[15],t},n.subtract=i,n.multiplyScalar=function(t,n,r){return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=n[3]*r,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=n[7]*r,t[8]=n[8]*r,t[9]=n[9]*r,t[10]=n[10]*r,t[11]=n[11]*r,t[12]=n[12]*r,t[13]=n[13]*r,t[14]=n[14]*r,t[15]=n[15]*r,t},n.multiplyScalarAndAdd=function(t,n,r,a){return t[0]=n[0]+r[0]*a,t[1]=n[1]+r[1]*a,t[2]=n[2]+r[2]*a,t[3]=n[3]+r[3]*a,t[4]=n[4]+r[4]*a,t[5]=n[5]+r[5]*a,t[6]=n[6]+r[6]*a,t[7]=n[7]+r[7]*a,t[8]=n[8]+r[8]*a,t[9]=n[9]+r[9]*a,t[10]=n[10]+r[10]*a,t[11]=n[11]+r[11]*a,t[12]=n[12]+r[12]*a,t[13]=n[13]+r[13]*a,t[14]=n[14]+r[14]*a,t[15]=n[15]+r[15]*a,t},n.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]&&t[3]===n[3]&&t[4]===n[4]&&t[5]===n[5]&&t[6]===n[6]&&t[7]===n[7]&&t[8]===n[8]&&t[9]===n[9]&&t[10]===n[10]&&t[11]===n[11]&&t[12]===n[12]&&t[13]===n[13]&&t[14]===n[14]&&t[15]===n[15]},n.equals=function(t,n){var r=t[0],e=t[1],u=t[2],o=t[3],i=t[4],s=t[5],c=t[6],f=t[7],M=t[8],h=t[9],l=t[10],v=t[11],d=t[12],b=t[13],m=t[14],p=t[15],P=n[0],A=n[1],E=n[2],O=n[3],R=n[4],y=n[5],q=n[6],x=n[7],_=n[8],Y=n[9],L=n[10],S=n[11],w=n[12],I=n[13],N=n[14],g=n[15];return Math.abs(r-P)<=a.EPSILON*Math.max(1,Math.abs(r),Math.abs(P))&&Math.abs(e-A)<=a.EPSILON*Math.max(1,Math.abs(e),Math.abs(A))&&Math.abs(u-E)<=a.EPSILON*Math.max(1,Math.abs(u),Math.abs(E))&&Math.abs(o-O)<=a.EPSILON*Math.max(1,Math.abs(o),Math.abs(O))&&Math.abs(i-R)<=a.EPSILON*Math.max(1,Math.abs(i),Math.abs(R))&&Math.abs(s-y)<=a.EPSILON*Math.max(1,Math.abs(s),Math.abs(y))&&Math.abs(c-q)<=a.EPSILON*Math.max(1,Math.abs(c),Math.abs(q))&&Math.abs(f-x)<=a.EPSILON*Math.max(1,Math.abs(f),Math.abs(x))&&Math.abs(M-_)<=a.EPSILON*Math.max(1,Math.abs(M),Math.abs(_))&&Math.abs(h-Y)<=a.EPSILON*Math.max(1,Math.abs(h),Math.abs(Y))&&Math.abs(l-L)<=a.EPSILON*Math.max(1,Math.abs(l),Math.abs(L))&&Math.abs(v-S)<=a.EPSILON*Math.max(1,Math.abs(v),Math.abs(S))&&Math.abs(d-w)<=a.EPSILON*Math.max(1,Math.abs(d),Math.abs(w))&&Math.abs(b-I)<=a.EPSILON*Math.max(1,Math.abs(b),Math.abs(I))&&Math.abs(m-N)<=a.EPSILON*Math.max(1,Math.abs(m),Math.abs(N))&&Math.abs(p-g)<=a.EPSILON*Math.max(1,Math.abs(p),Math.abs(g))};var a=function(t){if(t&&t.__esModule)return t;var n={};if(null!=t)for(var r in t)Object.prototype.hasOwnProperty.call(t,r)&&(n[r]=t[r]);return n.default=t,n}(r(0));function e(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function u(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],s=n[5],c=n[6],f=n[7],M=n[8],h=n[9],l=n[10],v=n[11],d=n[12],b=n[13],m=n[14],p=n[15],P=r[0],A=r[1],E=r[2],O=r[3];return t[0]=P*a+A*i+E*M+O*d,t[1]=P*e+A*s+E*h+O*b,t[2]=P*u+A*c+E*l+O*m,t[3]=P*o+A*f+E*v+O*p,P=r[4],A=r[5],E=r[6],O=r[7],t[4]=P*a+A*i+E*M+O*d,t[5]=P*e+A*s+E*h+O*b,t[6]=P*u+A*c+E*l+O*m,t[7]=P*o+A*f+E*v+O*p,P=r[8],A=r[9],E=r[10],O=r[11],t[8]=P*a+A*i+E*M+O*d,t[9]=P*e+A*s+E*h+O*b,t[10]=P*u+A*c+E*l+O*m,t[11]=P*o+A*f+E*v+O*p,P=r[12],A=r[13],E=r[14],O=r[15],t[12]=P*a+A*i+E*M+O*d,t[13]=P*e+A*s+E*h+O*b,t[14]=P*u+A*c+E*l+O*m,t[15]=P*o+A*f+E*v+O*p,t}function o(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=a+a,s=e+e,c=u+u,f=a*i,M=a*s,h=a*c,l=e*s,v=e*c,d=u*c,b=o*i,m=o*s,p=o*c;return t[0]=1-(l+d),t[1]=M+p,t[2]=h-m,t[3]=0,t[4]=M-p,t[5]=1-(f+d),t[6]=v+b,t[7]=0,t[8]=h+m,t[9]=v-b,t[10]=1-(f+l),t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t}function i(t,n,r){return t[0]=n[0]-r[0],t[1]=n[1]-r[1],t[2]=n[2]-r[2],t[3]=n[3]-r[3],t[4]=n[4]-r[4],t[5]=n[5]-r[5],t[6]=n[6]-r[6],t[7]=n[7]-r[7],t[8]=n[8]-r[8],t[9]=n[9]-r[9],t[10]=n[10]-r[10],t[11]=n[11]-r[11],t[12]=n[12]-r[12],t[13]=n[13]-r[13],t[14]=n[14]-r[14],t[15]=n[15]-r[15],t}n.mul=u,n.sub=i},function(t,n,r){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.sub=n.mul=void 0,n.create=function(){var t=new a.ARRAY_TYPE(9);a.ARRAY_TYPE!=Float32Array&&(t[1]=0,t[2]=0,t[3]=0,t[5]=0,t[6]=0,t[7]=0);return t[0]=1,t[4]=1,t[8]=1,t},n.fromMat4=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[4],t[4]=n[5],t[5]=n[6],t[6]=n[8],t[7]=n[9],t[8]=n[10],t},n.clone=function(t){var n=new a.ARRAY_TYPE(9);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n[4]=t[4],n[5]=t[5],n[6]=t[6],n[7]=t[7],n[8]=t[8],n},n.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t},n.fromValues=function(t,n,r,e,u,o,i,s,c){var f=new a.ARRAY_TYPE(9);return f[0]=t,f[1]=n,f[2]=r,f[3]=e,f[4]=u,f[5]=o,f[6]=i,f[7]=s,f[8]=c,f},n.set=function(t,n,r,a,e,u,o,i,s,c){return t[0]=n,t[1]=r,t[2]=a,t[3]=e,t[4]=u,t[5]=o,t[6]=i,t[7]=s,t[8]=c,t},n.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},n.transpose=function(t,n){if(t===n){var r=n[1],a=n[2],e=n[5];t[1]=n[3],t[2]=n[6],t[3]=r,t[5]=n[7],t[6]=a,t[7]=e}else t[0]=n[0],t[1]=n[3],t[2]=n[6],t[3]=n[1],t[4]=n[4],t[5]=n[7],t[6]=n[2],t[7]=n[5],t[8]=n[8];return t},n.invert=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=f*o-i*c,h=-f*u+i*s,l=c*u-o*s,v=r*M+a*h+e*l;if(!v)return null;return v=1/v,t[0]=M*v,t[1]=(-f*a+e*c)*v,t[2]=(i*a-e*o)*v,t[3]=h*v,t[4]=(f*r-e*s)*v,t[5]=(-i*r+e*u)*v,t[6]=l*v,t[7]=(-c*r+a*s)*v,t[8]=(o*r-a*u)*v,t},n.adjoint=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8];return t[0]=o*f-i*c,t[1]=e*c-a*f,t[2]=a*i-e*o,t[3]=i*s-u*f,t[4]=r*f-e*s,t[5]=e*u-r*i,t[6]=u*c-o*s,t[7]=a*s-r*c,t[8]=r*o-a*u,t},n.determinant=function(t){var n=t[0],r=t[1],a=t[2],e=t[3],u=t[4],o=t[5],i=t[6],s=t[7],c=t[8];return n*(c*u-o*s)+r*(-c*e+o*i)+a*(s*e-u*i)},n.multiply=e,n.translate=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],s=n[5],c=n[6],f=n[7],M=n[8],h=r[0],l=r[1];return t[0]=a,t[1]=e,t[2]=u,t[3]=o,t[4]=i,t[5]=s,t[6]=h*a+l*o+c,t[7]=h*e+l*i+f,t[8]=h*u+l*s+M,t},n.rotate=function(t,n,r){var a=n[0],e=n[1],u=n[2],o=n[3],i=n[4],s=n[5],c=n[6],f=n[7],M=n[8],h=Math.sin(r),l=Math.cos(r);return t[0]=l*a+h*o,t[1]=l*e+h*i,t[2]=l*u+h*s,t[3]=l*o-h*a,t[4]=l*i-h*e,t[5]=l*s-h*u,t[6]=c,t[7]=f,t[8]=M,t},n.scale=function(t,n,r){var a=r[0],e=r[1];return t[0]=a*n[0],t[1]=a*n[1],t[2]=a*n[2],t[3]=e*n[3],t[4]=e*n[4],t[5]=e*n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t},n.fromTranslation=function(t,n){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=n[0],t[7]=n[1],t[8]=1,t},n.fromRotation=function(t,n){var r=Math.sin(n),a=Math.cos(n);return t[0]=a,t[1]=r,t[2]=0,t[3]=-r,t[4]=a,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},n.fromScaling=function(t,n){return t[0]=n[0],t[1]=0,t[2]=0,t[3]=0,t[4]=n[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},n.fromMat2d=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=0,t[3]=n[2],t[4]=n[3],t[5]=0,t[6]=n[4],t[7]=n[5],t[8]=1,t},n.fromQuat=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=r+r,i=a+a,s=e+e,c=r*o,f=a*o,M=a*i,h=e*o,l=e*i,v=e*s,d=u*o,b=u*i,m=u*s;return t[0]=1-M-v,t[3]=f-m,t[6]=h+b,t[1]=f+m,t[4]=1-c-v,t[7]=l-d,t[2]=h-b,t[5]=l+d,t[8]=1-c-M,t},n.normalFromMat4=function(t,n){var r=n[0],a=n[1],e=n[2],u=n[3],o=n[4],i=n[5],s=n[6],c=n[7],f=n[8],M=n[9],h=n[10],l=n[11],v=n[12],d=n[13],b=n[14],m=n[15],p=r*i-a*o,P=r*s-e*o,A=r*c-u*o,E=a*s-e*i,O=a*c-u*i,R=e*c-u*s,y=f*d-M*v,q=f*b-h*v,x=f*m-l*v,_=M*b-h*d,Y=M*m-l*d,L=h*m-l*b,S=p*L-P*Y+A*_+E*x-O*q+R*y;if(!S)return null;return S=1/S,t[0]=(i*L-s*Y+c*_)*S,t[1]=(s*x-o*L-c*q)*S,t[2]=(o*Y-i*x+c*y)*S,t[3]=(e*Y-a*L-u*_)*S,t[4]=(r*L-e*x+u*q)*S,t[5]=(a*x-r*Y-u*y)*S,t[6]=(d*R-b*O+m*E)*S,t[7]=(b*A-v*R-m*P)*S,t[8]=(v*O-d*A+m*p)*S,t},n.projection=function(t,n,r){return t[0]=2/n,t[1]=0,t[2]=0,t[3]=0,t[4]=-2/r,t[5]=0,t[6]=-1,t[7]=1,t[8]=1,t},n.str=function(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"},n.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2))},n.add=function(t,n,r){return 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diff --git a/diheap/index.html b/diheap/index.html
new file mode 100644
index 0000000..8d0bc48
--- /dev/null
+++ b/diheap/index.html
@@ -0,0 +1,85 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Drop-in Heap</title>
+
+    <link rel="stylesheet" href="/style.css">
+</head>
+<body>
+    <div class="page-body-border"><div class="page-body">
+        <h1 class="page-body-top">Drop-in Heap</h1>
+        <div class="page-body-content">
+            <table class="page-body-buttons" style="width: 20%; margin: 0px;">
+                <tr><td><div class="link-button-border"><a class="link-button" href="/">Home</a></div></td></tr>
+                <tr><td><div class="link-button-border"><a class="link-button" href="https://git.jonsantmyer.com/diheap/">Git repository</a></div></td></tr>
+                <tr><td><div class="link-button-border"><a class="link-button" href="https://git.jonsantmyer.com/diheap/snapshot/diheap-1.0.tar.gz">Download (1.0 tar.gz)</a></div></td></tr>
+                <tr><td><div class="link-button-border"><a class="link-button" href="https://git.jonsantmyer.com/diheap/snapshot/diheap-1.0.zip">Download (1.0 zip)</a></div></td></tr>
+            </table>
+            <h3>Purpose</h3>
+            <p>
+            diheap was designed for the Modit Operating System. Therefore, it was created with the assumption that the linked libraries have direct access to memory and has no other dynamic allocation scheme.
+            Because of these constraints, the heap has an initial capacity as defined by the user through the "heap_create" function. To expand the heap, the user has to allocate the memory following it's bounds.
+            </p>
+            <h3>Design</h3>
+            <p>
+            A vast majority of the technical descriptions of how the heap works are in the header file. see <a href="https://git.jonsantmyer.com/diheap/tree/heap.h">heap.h</a> for more details.
+            </p><p>
+            diheap is a thread-unsafe double linked-list bucket heap allocator. It was written to allow for respectably fast variable size object allocations without external memory regions.
+            The heap information is stored in a single heap struct, which is created through heap_create.
+            </p><p>
+            When heap_create is called, the library creates a struct called a "crate", which stores the buckets used for heap allocation. Each crate is 4KiB in size, and can store an arbitrary ammount of buckets.
+            When the crate is out of buckets, another crate is appended to the last allocation and is linked to the previous crate.
+            </p><p>
+            Buckets act as both a pointer to allocated memory and a node in a doubly linked list. 
+            Buckets store their neighbors, the address, size, and if the bucket is occupied.
+            The elements buckets store allows for checking the status of an arbitrary ammount of neighbors from any point in the linked list.
+            Buckets that don't have a memory address assigned to them are added to a free list, which lets the heap allocate more memory for itself.
+            When the freelist is drained, a new crate is created at the end of the address space and the new buckets are added to the freelist.
+            </p>
+            <h3>API</h3>
+            <p>diheap is designed to "drop in" to any project. I designed the interface to be independent of the system and operate without many quality of life features like dynamic memory and reference counting.</p>
+
+            <//heap_create>
+            <p class="text-inset"><font color="green">int</font> heap_create(<font color="green">struct</font> heap <font color="red">*</font>heap, <font color="green">uintptr_t</font> at, <font color="green">size_t</font> len);</p>
+            <p>Populates the heap with the initial crate and bucket lists. Fills the fields in the provided heap object with the bucket lists and usage information.</p>
+            <p class="text-inset">heap</p><p style="display:inline-block;">Pointer to object defined at compile time.</p><br/>
+            <p class="text-inset">at</p><p style="display:inline-block;">Address allocated for heap to operate in</p><br/>
+            <p class="text-inset">len</p><p style="display:inline-block">Size of memory allocated for heap to operate in. Must be larger than MODIT_HEAP_CRATE_SIZE</p><br/>
+            <p class="text-inset">return</p><p style="display:inline-block">Success code. Anything that is not zero should be treated as an error code.</p><br/><br/><br/>
+
+            <//heap_resize>
+            <p class="text-inset"><font color="green">void</font> heap_resize(<font color="green">struct</font> heap <font color="red">*</font>heap, <font color="green">size_t</font> newlen);</p>
+            <p>Marks the space appended by newlen as usable inside of the passed heap.</p>
+            <p class="text-inset">heap</p><p style="display:inline-block;">Pointer to heap object in which to resize.</p><br/>
+            <p class="text-inset">newlen</p><p style="display:inline-block">Size of memory appended to the heap allocation space. Because the heap cannot be relocated, this is the only way to expand it.</p><br/><br/><br/>
+
+            <//heap_alloc>
+            <p class="text-inset"><font color="green">void</font> <font color="red">*</font>heap_alloc(<font color="green">struct</font> heap <font color="red">*</font>heap, <font color="green">size_t</font> size);</p>
+            <p>Looks for and assigns the best fitting empty block in heap memory. If the block is too large, the heap splits the block into a perfectly sized bucket and a spare bucket. The heap returns the perfectly sized bucket if possible.</p>
+            <p class="text-inset">heap</p><p style="display:inline-block;">Pointer to heap object in which to make the allocation</p><br/>
+            <p class="text-inset">size</p><p style="display:inline-block">Size of memory allocated in heap.</p><br/>
+            <p class="text-inset">return</p><p style="display:inline-block">Pointer to memory assigned by heap. If the heap has run out of memory, function returns <font color="purple">NULL</font></p><br/><br/><br/>
+
+            <//heap_free>
+            <p class="text-inset"><font color="green">void</font> heap_free(<font color="green">struct</font> heap <font color="red">*</font>heap, <font color="green">void</font> <font color="red">*</font>ptr);</p>
+            <p>Looks for the bucket corresponding to the passed pointer and clears the taken flag bit. When two buckets are adjacent and free, they are merged.</p>
+            <p class="text-inset">heap</p><p style="display:inline-block;">Pointer to heap object in which to make the allocation</p><br/>
+            <p class="text-inset">size</p><p style="display:inline-block">Size of memory allocated in heap.</p><br/>
+            <p class="text-inset">return</p><p style="display:inline-block">Pointer to memory assigned by heap. If the heap has run out of memory, function returns <font color="purple">NULL</font></p>
+
+            <h3>Building</h3>
+            <p>diheap can be built as either a static or linked library</p>
+            <p class="text-inset">NOTE: build instructions are written assuming linux with gcc</p>
+            <br/>
+            <p style="display:inline-block;">diheap is built using a makefile following GNU Make specifications. To build the library, simply call<p class="text-inset">make</p></p>
+            <p>By default, the makefile builds a shared library without debugging symbols. This can be changed with the following build flags:</p>
+            <p class="text-inset">SHARED</p><p style="display:inline-block"> Defines if the makefile should build a shared library.</p><p class="text-inset">default: 1</p><br/>
+            <p class="text-inset">STATIC</p><p style="display:inline-block"> Defines if the makefile should build a static library.</p><p class="text-inset">default: 0</p><br/>
+            <p class="text-inset">TEST</p><p style="display:inline-block"> Forces the makefile to build a shared library and test program. Said program automatically runs.</p><p class="text-inset">default: 0</p>
+        </div>
+        <p class="text-inset">
+        LICENSE: MIT (c) 2021 Jon Santmyer (jon@jonsantmyer.com)
+        </p>
+    </div>
+</body>
+</html>
diff --git a/index.html b/index.html
index ca587ad..dd710be 100644
--- a/index.html
+++ b/index.html
@@ -6,23 +6,70 @@
     <link rel="stylesheet" href="style.css">
 </head>
 <body>
-    <div class="page-body">
-        <center>
-            <h1>Jon Santmyer's Website</h1>
-            <p>A place where I put links to things I find interesting / notable</p>
-            <a class="link-button" href="https://git.jonsantmyer.com">git.jonsantmyer.com</a>
-            <a class="link-button" href="https://searx.jonsantmyer.com">searx.jonsantmyer.com</a>
-        </center>
-
-        <div style="margin: 25px">
-            <p>There won't really be any physical media here because storage is expensive. Maybe torrent links...</p>
+    <div class="page-body-border"><div class="page-body">
+        <h1 class="page-body-top">Jon Santmyer's Website</h1>
+        <div class="page-body-content">
+            <table class="page-body-buttons" style="width: 20%; margin: 0px;">
+                <tr><td><div class="link-button-border"><a class="link-button" href="https://git.jonsantmyer.com">Git Server</a></div></td></tr>
+                <tr><td><div class="link-button-border"><a class="link-button" href="https://searx.jonsantmyer.com">Searx Instance</a></div></td></tr>
+            </table>
+            <p>
+            I don't store cookies or overuse javascript.
+            I do this because I believe in tailored web design and hate over-engineered websites.
+            If you want to make your own website I emplore you to avoid javascript and cookies as much as possible.
+            Learn HTML and CSS.
+            Don't use template creators.
+            Make something yourself and don't be too lazy to create something unique.
+            </p>
             <p>
-                I use 
-                <img src="img/artix.png" style="max-height:16px">
-                <a href="https://artixlinux.org/">Artix</a>
-                 on my main system and laptop
+            This site is designed to be simple and a love letter to early UI design.
+            I respect your intelligence and don't put flashy garbage on your screen.
             </p>
+            </div>
+        <p class="text-inset">
+            I use 
+            <img src="img/artix.png" style="max-height:16px">
+            <a href="https://artixlinux.org/">Artix</a>
+             on my main system and laptop
+        </p>
+    </div></div>
+
+    <div class="page-body-border"><div class="page-body">
+        <h2 class="page-body-top">Projects</h2>
+        <div class="page-body-content">
+            <table class="page-body-buttons" style="width: 100%;">
+                <tr>
+                <td>
+                    <div class="link-button-border"><a class="link-button" href="/diheap">
+                        <h3>Drop-in Heap</h3>
+                        <p>
+                        A simple dynamic memory allocator that uses reserved memory regions.
+                        Written in C with minimal dependencies (memset, stdint, stddef).
+                        </p>
+                    </a></div>
+                </td>
+                <td>
+                    <div class="link-button-border"><a class="link-button" href="https://git.jonsantmyer.com/modit-slim">
+                        <h3>Modit OS</h3>
+                        <p>
+                        A micro-kernel based operating system written in C/C++.
+                        Designed around user customization and userspace protection mechanisms.
+                        </p>
+                    </a></div>
+                </td>
+                <tr>
+                <td>
+                    <div class="link-button-border"><a class="link-button" href="https://git.jonsantmyer.com/modit-kernel">
+                        <h3>Modit Kernel</h3>
+                        <p>
+                        A micro-kernel that provides an abstraction layer for process scheduling and physical memory.
+                        Processes are allocated in a kernel thead, and are given "deeds" for memory/time/hardware access.
+                        </p>
+                    </a></div>
+                </td>
+            </table>
         </div>
-    </div>
+        <p class="text-inset">Summary pages for things that I put on my git server</p>
+    </div></div>
 </body>
 </html>
diff --git a/style.css b/style.css
index 92f050e..85cfd06 100644
--- a/style.css
+++ b/style.css
@@ -10,25 +10,76 @@ body {
     padding:            5px;
 }
 
-.link-button {
+.page-body {
+    background-color:   #CCCCCC;
+
+    border:             1px solid black;
+    padding:            0px;
+    margin:             0px;
+}
+
+.page-body-border {
+    display:            inline-block;
+    background-color:   #CCCCCC;
+    border:             1px solid black;
+    padding:            3px;
+    margin:             5% 10% 0% 10%;
+}
+
+.page-body-top {
+    background-color:   #FFFFFF;
+    border-bottom:      1px solid black;
+    margin:             0px;
+    padding:            5px 2px 0px 2px;
+    text-align:         center;
+}
+
+.page-body-content {
     display:            inline-block;
+    background-color:   #FFFFFF;
+    padding:            5px;
+    margin:             0px;
+}
+
+.page-body-buttons {
+    background-color:   #FFFFFF;
+    table-layout:       fixed;
+    float:              right;
+    border-spacing:     0px;
+    border-collapse:    separate;
+}
+
+.link-button {
+    display:            block;
     background-color:   #DDDDDD;
     color:              #000000;
-    border:             outset;
+    border:             outset 3px #FFFFFF;
+
     padding:            10px 15px;
+    margin:             0px;
+
     text-align:         center;
     text-decoration:    none;
     font-size:          16px;
-    margin:             4px 2px;
     cursor:             pointer;
 }
 
-.page-body {
-    display:            inline-block;
+.link-button:active {
     background-color:   #CCCCCC;
+    border:             inset 3px #FFFFFF;
+}
+
+.link-button-border {
+    background-color:   #000000;
+    border:             solid 2px #000000;
+
+    margin:             4px 2px;
+    padding:            0px;
+}
 
-    border:             solid 5px #DDDDDD;
-    margin:             5% 10% 5% 10%;
-    padding:            25px 0px 25px 0px;
-    width:              80%;
+.text-inset {
+    display:            block;
+    border:             inset 2px #FFFFFF;
+    padding:            2px;
+    margin:             5px;
 }
author	Jon Santmyer <jon@jonsantmyer.com>	2021-12-29 12:11:44 -0500
committer	Jon Santmyer <jon@jonsantmyer.com>	2021-12-29 12:11:44 -0500
commit	d574b18884401d2a0a1f8d4422c1512de3dcbee6 (patch)
tree	f08466db076564aae7bfa685a9a733bfc20c3dd7
parent	9acfb6bfffc31e39dfb273f870a2235e5968ffc9 (diff)
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