5 files changed, 78 insertions, 43 deletions
diff --git a/src/paperflight/static/draw.js b/src/paperflight/static/draw.js
index c82974a..0c940b6 100644
--- a/src/paperflight/static/draw.js
+++ b/src/paperflight/static/draw.js
@@ -1,3 +1,6 @@
+/**
+ * Draw functions
+ */
 function draw() {
     ctx.fillStyle = "#4444ff"
     ctx.fillRect(0, 0, width, height)
@@ -6,7 +9,7 @@ function draw() {
         item.draw()
     })
     drawExit(currLevel.exit)
-    
+
     drawPlane()
 
     ctx.fillStyle = "#222"
@@ -36,13 +39,30 @@ function drawPlane() {
 function drawVent() {
     ctx.fillStyle = "#ccc"
     ctx.fillRect(this.x, this.y, this.width, 10)
-    ctx.fillStyle = "white"
-    var yDelta = Math.sin(t / 30) * 40 
-    for (var i = 40; i < this.height; i+= 60) {
-        for (var j = 0; j < this.width; j+= 30) {
-            ctx.fillRect(this.x+j, this.y - i + yDelta, 1, 8)
+    // every 1/3 seconds spawn new air vents
+    // (since this is purely cosmetic, updates to it are in here)
+    if (t % Math.floor(fps / 3) == 0) {
+        for (var j = 0; j <= this.width; j += 20) {
+            this.wind.push({
+                x: this.x + j,
+                y: this.y - 10,
+                height: Math.floor(Math.random() * 15) + 4
+            })
         }
     }
+    // Move up each wind a bit randomly
+    this.wind.forEach(w => {
+        w.y -= Math.random() * 4 + 2
+    })
+    // Remove all wind higher than certain height
+    this.wind = this.wind.filter(w => {
+        return this.y - w.y < this.height
+    }, this)
+    // Finally draw each wind
+    ctx.fillStyle = "white"
+    this.wind.forEach(w => {
+        ctx.fillRect(w.x, w.y, 1, w.height)
+    })
 }
 function drawBlock() {
     ctx.fillStyle = "#0d0"
@@ -73,12 +93,12 @@ function drawExit(exit) {
     ctx.arc(exit.x, exit.y, 20, 0, Math.PI * 2)
     ctx.fill()
 }
-function drawSwitch(){
+function drawSwitch() {
     ctx.fillStyle = "black"
     ctx.fillRect(this.x, this.y, this.width, this.height)
 }
-function drawSwitchRect(){
-    if(switchState == this.state){
+function drawSwitchRect() {
+    if (switchState == this.state) {
         ctx.fillStyle = "blue"
         ctx.fillRect(this.x, this.y, this.width, this.height)
     } else {
diff --git a/src/paperflight/static/items.js b/src/paperflight/static/items.js
index 11c2047..16ea754 100644
--- a/src/paperflight/static/items.js
+++ b/src/paperflight/static/items.js
@@ -1,39 +1,45 @@
-function vent(x, y, width, height){
+/**
+ * Contains functions to create each type of object that can
+ * appear in a level. 
+ */
+
+function constructVent(x, y, width, height){
     return {
         draw: drawVent,
         update: updateVent,
+        wind: [],
         x, y, width, height
     }
 }
-function coin(x, y, radius=10){
+function constructCoin(x, y, radius=10){
     return {
         draw: drawCoin,
         update: updateCoin,
         x, y, radius
     }
 }
-function block(x, y, width, height){
+function constructBlock(x, y, width, height){
     return {
         draw: drawBlock,
         update: updateBlock,
         x, y, width, height
     }
 }
-function ramp(x, y, width, height, slope){
+function constructRamp(x, y, width, height, slope){
     return {
         draw: drawRamp, 
         update: updateRamp, 
         x, y, width, height, slope
     }
 }
-function getSwitch(x, y, width, height, stateCount){
+function constructSwitch(x, y, width, height, stateCount){
     return {
         draw: drawSwitch,
         update: updateSwitch,
         x, y, width, height, stateCount
     }
 }
-function switchRect(x, y, width, height, state){
+function constructRect(x, y, width, height, state){
     return{
         draw: drawSwitchRect,
         update: updateSwitchRect,
diff --git a/src/paperflight/static/levels.js b/src/paperflight/static/levels.js
index 33d011c..7555afb 100644
--- a/src/paperflight/static/levels.js
+++ b/src/paperflight/static/levels.js
@@ -1,3 +1,6 @@
+/**
+ * Creates the levels object for the game
+ */
 var levels = {
     2: {
         coinsNeeded: 0,
@@ -7,10 +10,10 @@ var levels = {
         },
         title: "Switch madness",
         items: [
-            getSwitch(120, 400, 60, 60, 3),
-            switchRect(300, 400, 60, 60, 0),
-            switchRect(400, 400, 60, 60, 1),
-            switchRect(500, 400, 60, 60, 2),
+            constructSwitch(120, 400, 60, 60, 3),
+            constructRect(300, 400, 60, 60, 0),
+            constructRect(400, 400, 60, 60, 1),
+            constructRect(500, 400, 60, 60, 2),
         ]
     },
     1: {
@@ -21,17 +24,17 @@ var levels = {
         },
         title: "Downwards Dash",
         items: [
-            vent(420, 580, 60, 600),
-            coin(40, 80),
-            vent(120, 100, 280, 100),
-            block(580, 200, 10, 250),
-            coin(700, 240),
-            coin(700, 320),
-            coin(700, 400),
-            ramp(70, 410, 200, 10, 2/5),
-            ramp(70, 470, 200, 10, 2/5),
-            coin(170, 405),
-            block(0, 0, 800, 40)
+            constructVent(420, 580, 60, 300),
+            constructCoin(40, 80),
+            constructVent(120, 100, 280, 100),
+            constructBlock(580, 200, 10, 250),
+            constructCoin(700, 240),
+            constructCoin(700, 320),
+            constructCoin(700, 400),
+            constructRamp(70, 410, 200, 10, 2/5),
+            constructRamp(70, 470, 200, 10, 2/5),
+            constructCoin(170, 405),
+            constructBlock(0, 0, 800, 40)
         ]
     }
 }
 \ No newline at end of file
diff --git a/src/paperflight/static/update.js b/src/paperflight/static/update.js
index b953914..3a61647 100644
--- a/src/paperflight/static/update.js
+++ b/src/paperflight/static/update.js
@@ -1,16 +1,6 @@
-function isPointInRamp(x, y, ramp) {
-    var yDelta = (x - ramp.x) * ramp.slope
-    return ramp.x < x && x < ramp.x + ramp.width && ramp.y < y + yDelta && y + yDelta < ramp.y + ramp.height
-}
-function isPointInBox(x, y, box) {
-    return box.x <= x && x <= box.x + box.width && box.y <= y && y <= box.y + box.height
-}
-function isPlaneInBox(box) {
-    return isPointInBox(plane.x, plane.y, box)
-        || isPointInBox(plane.x + plane.width, plane.y, box)
-        || isPointInBox(plane.x + plane.width, plane.y + plane.height, box)
-        || isPointInBox(plane.x, plane.y + plane.height, box)
-}
+/**
+ * Update functions
+ */
 function update() {
     t++
     score++
diff --git a/src/paperflight/static/util.js b/src/paperflight/static/util.js
new file mode 100644
index 0000000..f818809
--- /dev/null
+++ b/src/paperflight/static/util.js
@@ -0,0 +1,16 @@
+/**
+ * General purpose functions
+ */
+function isPointInRamp(x, y, ramp) {
+    var yDelta = (x - ramp.x) * ramp.slope
+    return ramp.x < x && x < ramp.x + ramp.width && ramp.y < y + yDelta && y + yDelta < ramp.y + ramp.height
+}
+function isPointInBox(x, y, box) {
+    return box.x <= x && x <= box.x + box.width && box.y <= y && y <= box.y + box.height
+}
+function isPlaneInBox(box) {
+    return isPointInBox(plane.x, plane.y, box)
+        || isPointInBox(plane.x + plane.width, plane.y, box)
+        || isPointInBox(plane.x + plane.width, plane.y + plane.height, box)
+        || isPointInBox(plane.x, plane.y + plane.height, box)
+}
+\ No newline at end of file