diff --git a/docs/example.js b/docs/example.js
index 7760fee..3fc35db 100644
--- a/docs/example.js
+++ b/docs/example.js
@@ -12,8 +12,8 @@ var bunny = require('bunny')
 var normals = require('angle-normals')
 
 window.addEventListener('resize', function () {
-  camera.dirty = true;
-});
+  camera.dirty = true
+})
 
 var drawBunny = regl({
   frag: `
diff --git a/docs/index.html b/docs/index.html
index 5698609..aaec0e4 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -25,12 +25,11 @@
 </svg>
 </a></body>
 <script>
-!function e(t,n,r){function a(o,f){if(!n[o]){if(!t[o]){var u="function"==typeof require&&require;if(!f&&u)return u(o,!0);if(i)return i(o,!0);var s=new Error("Cannot find module '"+o+"'");throw s.code="MODULE_NOT_FOUND",s}var c=n[o]={exports:{}};t[o][0].call(c.exports,function(e){var n=t[o][1][e];return a(n||e)},c,c.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)a(r[o]);return a}({1:[function(e,t,n){"use strict";var r=e("regl")(),a=e("../regl-camera")(r,{center:[0,2.5,0],damping:0,noScroll:!0}),i=e("bunny"),o=e("angle-normals"),f=r({frag:"\n    precision mediump float;\n    varying vec3 vnormal;\n    void main () {\n      gl_FragColor = vec4(abs(vnormal), 1.0);\n    }",vert:"\n    precision mediump float;\n    uniform mat4 projection, view;\n    attribute vec3 position, normal;\n    varying vec3 vnormal;\n    void main () {\n      vnormal = normal;\n      gl_Position = projection * view * vec4(position, 1.0);\n    }",attributes:{position:i.positions,normal:o(i.cells,i.positions)},elements:i.cells});r.frame(function(){r.clear({color:[0,0,0,1]}),a(function(){f()})})},{"../regl-camera":13,"angle-normals":2,bunny:3,regl:11}],2:[function(e,t,n){"use strict";function r(e,t,n){return Math.sqrt(Math.pow(e,2)+Math.pow(t,2)+Math.pow(n,2))}function a(e,t,n){return Math.atan2(t,e-n)}function i(e,t,n,r,a){e[0]+=t*n,e[1]+=t*r,e[2]+=t*a}function o(e,t){for(var n=t.length,o=e.length,f=new Array(n),u=0;u<n;++u)f[u]=[0,0,0];for(var u=0;u<o;++u){var s=e[u],c=t[s[0]],l=t[s[1]],d=t[s[2]],m=c[0]-l[0],p=c[1]-l[1],h=c[2]-l[2],b=r(m,p,h),v=l[0]-d[0],g=l[1]-d[1],y=l[2]-d[2],x=r(v,g,y),w=d[0]-c[0],k=d[1]-c[1],S=d[2]-c[2],A=r(w,k,S);if(!(Math.min(b,x,A)<1e-6)){var _=.5*(b+x+A),E=Math.sqrt((_-b)*(_-x)*(_-A)/_),T=p*y-h*g,D=h*v-m*y,j=m*g-p*v,O=r(T,D,j);T/=O,D/=O,j/=O,i(f[s[0]],a(_,E,x),T,D,j),i(f[s[1]],a(_,E,A),T,D,j),i(f[s[2]],a(_,E,b),T,D,j)}}for(var u=0;u<n;++u){var C=f[u],F=Math.sqrt(Math.pow(C[0],2)+Math.pow(C[1],2)+Math.pow(C[2],2));F<1e-8?(C[0]=1,C[1]=0,C[2]=0):(C[0]/=F,C[1]/=F,C[2]/=F)}return f}t.exports=o},{}],3:[function(e,t,n){
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diff --git a/regl-camera.js b/regl-camera.js
index 9885074..66a0526 100644
--- a/regl-camera.js
+++ b/regl-camera.js
@@ -13,7 +13,7 @@ function createCamera (regl, props_) {
 
   // Preserve backward-compatibilty while renaming preventDefault -> noScroll
   if (typeof props.noScroll === 'undefined') {
-    props.noScroll = props.preventDefault;
+    props.noScroll = props.preventDefault
   }
 
   var cameraState = {
@@ -50,6 +50,7 @@ function createCamera (regl, props_) {
 
   var prevX = 0
   var prevY = 0
+  var prevDistance = null
 
   if (isBrowser && props.mouse !== false) {
     var source = element || regl._gl.canvas
@@ -69,15 +70,80 @@ function createCamera (regl, props_) {
 
         cameraState.dtheta += cameraState.rotationSpeed * 4.0 * dx
         cameraState.dphi += cameraState.rotationSpeed * 4.0 * dy
-        cameraState.dirty = true;
+        cameraState.dirty = true
       }
       prevX = x
       prevY = y
     })
 
+    source.addEventListener('touchstart', function (ev) {
+      if (ev.cancelable) {
+        ev.preventDefault()
+      }
+      var touch = ev.touches[0]
+      var bounds = source.getBoundingClientRect()
+      var x = touch.clientX - bounds.left
+      var y = touch.clientY - bounds.top
+      prevX = x
+      prevY = y
+    })
+
+    source.addEventListener('touchend', function (ev) {
+      prevDistance = null
+
+      // reset prevX and prevY to prevent jumping
+      if (ev.touches.length === 1) {
+        var touch = ev.touches[0]
+        var bounds = source.getBoundingClientRect()
+        var x = touch.clientX - bounds.left
+        var y = touch.clientY - bounds.top
+        prevX = x
+        prevY = y
+      }
+    })
+
+    source.addEventListener('touchmove', function (ev) {
+      if (ev.cancelable) {
+        ev.preventDefault()
+      }
+      // One touch, treat as a rotate
+      if (ev.touches.length === 1) {
+        var touch = ev.touches[0]
+        var bounds = source.getBoundingClientRect()
+        var x = touch.clientX - bounds.left
+        var y = touch.clientY - bounds.top
+
+        var dx = (x - prevX) / getWidth()
+        var dy = (y - prevY) / getHeight()
+
+        cameraState.dtheta += cameraState.rotationSpeed * 4.0 * dx
+        cameraState.dphi += cameraState.rotationSpeed * 4.0 * dy
+        cameraState.dirty = true
+
+        prevX = x
+        prevY = y
+        // Two fingers, treat as a pinch zoom
+      } else if (ev.touches.length === 2) {
+        var touch1 = ev.touches[0]
+        var touch2 = ev.touches[1]
+
+        var pinchX = touch1.clientX - touch2.clientX
+        var pinchY = touch1.clientY - touch2.clientY
+        var distance = Math.sqrt(pinchX * pinchX + pinchY * pinchY)
+        if (prevDistance != null) {
+          var distanceDelta = prevDistance - distance
+          ddistance +=
+            (distanceDelta / getHeight()) * cameraState.zoomSpeed * 2.0
+          cameraState.dirty = true
+        }
+
+        prevDistance = distance
+      }
+    })
+
     mouseWheel(source, function (dx, dy) {
       ddistance += dy / getHeight() * cameraState.zoomSpeed
-      cameraState.dirty = true;
+      cameraState.dirty = true
     }, props.noScroll)
   }
 
@@ -86,7 +152,7 @@ function createCamera (regl, props_) {
     if (Math.abs(xd) < 0.1) {
       return 0
     }
-    cameraState.dirty = true;
+    cameraState.dirty = true
     return xd
   }
 
@@ -134,12 +200,12 @@ function createCamera (regl, props_) {
     lookAt(cameraState.view, eye, center, up)
   }
 
-  cameraState.dirty = true;
+  cameraState.dirty = true
 
   var injectContext = regl({
     context: Object.assign({}, cameraState, {
       dirty: function () {
-        return cameraState.dirty;
+        return cameraState.dirty
       },
       projection: function (context) {
         perspective(cameraState.projection,
@@ -160,14 +226,14 @@ function createCamera (regl, props_) {
   function setupCamera (props, block) {
     if (typeof setupCamera.dirty !== 'undefined') {
       cameraState.dirty = setupCamera.dirty || cameraState.dirty
-      setupCamera.dirty = undefined;
+      setupCamera.dirty = undefined
     }
 
     if (props && block) {
-      cameraState.dirty = true;
+      cameraState.dirty = true
     }
 
-    if (cameraState.renderOnDirty && !cameraState.dirty) return;
+    if (cameraState.renderOnDirty && !cameraState.dirty) return
 
     if (!block) {
       block = props
@@ -176,7 +242,7 @@ function createCamera (regl, props_) {
 
     updateCamera(props)
     injectContext(block)
-    cameraState.dirty = false;
+    cameraState.dirty = false
   }
 
   Object.keys(cameraState).forEach(function (name) {