From 4d3aba7167fbfd5e002714e3c4a577cc17f18af0 Mon Sep 17 00:00:00 2001
From: Mark Powers <markppowers0@gmail.com>
Date: Thu, 14 May 2020 10:51:54 -0500
Subject: Refactor updates, fix gameover, add level changing

---
 src/paperflight/index.html       | 50 +++++++++++++++++++++++++---------------
 src/paperflight/static/draw.js   |  8 +++++--
 src/paperflight/static/levels.js | 12 ++++++----
 src/paperflight/static/update.js | 11 +++++----
 src/paperflight/static/util.js   |  9 ++++++++
 5 files changed, 60 insertions(+), 30 deletions(-)

diff --git a/src/paperflight/index.html b/src/paperflight/index.html
index ef26a03..a620a1c 100644
--- a/src/paperflight/index.html
+++ b/src/paperflight/index.html
@@ -24,7 +24,9 @@
     <script>
         var username = undefined
 
-        var score, plane, gameInterval, currLevelIndex, currLevel, t, collected, startLevel, switchState
+        var score, plane, gameInterval, currLevelIndex,
+            currLevel, t, collected, startLevel, switchState,
+            gameIsOver
 
         var DEFAULT_VX = 3
         var DEFAULT_VY = 0.5
@@ -48,11 +50,12 @@
             if (gameInterval) {
                 clearInterval(gameInterval)
             }
+            gameIsOver = false
             score = 0
             t = 0
             plane = {
                 x: 30,
-                y: height / 4,
+                y: 100,
                 vx: DEFAULT_VX,
                 vy: DEFAULT_VY,
                 width: 30,
@@ -66,28 +69,39 @@
             }, 1000 / fps)
         }
         function setLevel(to) {
+            plane.x = 30
+            plane.y = 100
+            plane.dir= 1
             currLevelIndex = to
-            currLevel = levels[currLevelIndex]
-            currLevel.items = currLevel.items.slice()
-            currLevel.items.forEach(item => {
-                if("collected" in item){
-                    item.collected = false
+            if (to in levels) {
+                currLevel = levels[currLevelIndex]
+                currLevel.items = currLevel.items.slice()
+                currLevel.items.forEach(item => {
+                    if ("collected" in item) {
+                        item.collected = false
+                    }
+                })
+                collected = 0
+                switchState = 0
+                startLevel = false
+            } else {
+                currLevel = {
+                    title: "YOU WIN!",
+                    coinsNeeded: 0,
+                    exit: {
+                        x: -100,
+                        y: -100,
+                        radius: 0
+                    },
+                    items: []
                 }
-            })
-            collected = 0
-            switchState = 0
-            startLevel = false
+            }
         }
         function atExit() {
-            return (Math.sqrt(Math.pow(plane.x - currLevel.exit.x, 2) + Math.pow(plane.y - currLevel.exit.y, 2)) < 20
-                || Math.sqrt(Math.pow(plane.x + plane.width - currLevel.exit.x, 2) + Math.pow(plane.y - currLevel.exit.y, 2)) < 20)
-                && collected >= currLevel.coinsNeeded
+            return isPlaneInCircle(currLevel.exit) && collected >= currLevel.coinsNeeded
         }
         function gameOver() {
-            ctx.font = "20px Courier"
-            ctx.fillStyle = "black"
-            ctx.fillText("Game Over!", 200, 200);
-            window.clearInterval(gameInterval)
+            gameIsOver = true
         }
         function keyDown(e) {
             startLevel = true
diff --git a/src/paperflight/static/draw.js b/src/paperflight/static/draw.js
index 4646581..5dd919f 100644
--- a/src/paperflight/static/draw.js
+++ b/src/paperflight/static/draw.js
@@ -9,13 +9,17 @@ function draw() {
         item.draw()
     })
     drawExit(currLevel.exit)
-
     drawPlane()
 
     ctx.fillStyle = "#222"
     ctx.font = "20px Courier"
     ctx.fillText(`Level ${currLevelIndex} (${collected}/${currLevel.coinsNeeded}) - ${currLevel.title} - Time ${Math.round(t / fps / 60)}:${Math.round(t / fps) % 60}`, 20, 20)
-
+    
+    if(gameIsOver){
+        ctx.font = "20px Courier"
+        ctx.fillStyle = "black"
+        ctx.fillText("Game Over!", 200, 200);
+    }
 }
 function drawPlane() {
     ctx.fillStyle = "#fff"
diff --git a/src/paperflight/static/levels.js b/src/paperflight/static/levels.js
index 7555afb..8ba4a0d 100644
--- a/src/paperflight/static/levels.js
+++ b/src/paperflight/static/levels.js
@@ -6,7 +6,8 @@ var levels = {
         coinsNeeded: 0,
         exit: {
             x: 40,
-            y: 460
+            y: 460,
+            radius: 20
         },
         title: "Switch madness",
         items: [
@@ -20,19 +21,20 @@ var levels = {
         coinsNeeded: 5,
         exit: {
             x: 40,
-            y: 460
+            y: 460,
+            radius: 20
         },
         title: "Downwards Dash",
         items: [
-            constructVent(420, 580, 60, 300),
+            constructVent(420, 580, 60, 600),
             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),
+            constructRamp(70, 400, 200, 10, 2/5),
+            constructRamp(70, 480, 200, 10, 2/5),
             constructCoin(170, 405),
             constructBlock(0, 0, 800, 40)
         ]
diff --git a/src/paperflight/static/update.js b/src/paperflight/static/update.js
index 2a2a949..0b44089 100644
--- a/src/paperflight/static/update.js
+++ b/src/paperflight/static/update.js
@@ -8,14 +8,17 @@ function update() {
         plane.x += plane.vx * plane.dir
         plane.y += plane.vy
     }
-    if (plane.x < 0 || plane.x > width - plane.width || plane.y < 0 || plane.y + plane.height > height) {
+    if (!isPlaneInBox({ x: plane.width, y: plane.height, width: width - (2*plane.width), height: height - (2*plane.height) })) {
         gameOver()
     }
     currLevel.items.forEach(item => {
         item.update()
     })
     if (atExit()) {
-        console.log("exit!")
+        setLevel(currLevelIndex + 1)
+    }
+    if(gameIsOver){
+        window.clearInterval(gameInterval)
     }
 }
 function updateVent() {
@@ -43,9 +46,7 @@ function updateRamp() {
     }
 }
 function updateCoin() {
-    if (!this.collected
-        && (Math.sqrt(Math.pow(plane.x - this.x, 2) + Math.pow(plane.y - this.y, 2)) < this.radius
-            || Math.sqrt(Math.pow(plane.x + plane.width - this.x, 2) + Math.pow(plane.y - this.y, 2)) < this.radius)) {
+    if (!this.collected && isPlaneInCircle(this)) {
         this.collected = true
         collected++
     }
diff --git a/src/paperflight/static/util.js b/src/paperflight/static/util.js
index f818809..3f14182 100644
--- a/src/paperflight/static/util.js
+++ b/src/paperflight/static/util.js
@@ -13,4 +13,13 @@ function isPlaneInBox(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)
+}
+function isPointInCircle(x, y, circle) {
+    return Math.sqrt(Math.pow(x - circle.x, 2) + Math.pow(y - circle.y, 2)) < circle.radius
+}
+function isPlaneInCircle(circle) {
+    return isPointInCircle(plane.x, plane.y, circle)
+        || isPointInCircle(plane.x + plane.width, plane.y, circle)
+        || isPointInCircle(plane.x + plane.width, plane.y + plane.height, circle)
+        || isPointInCircle(plane.x, plane.y + plane.height, circle)
 }
\ No newline at end of file
-- 
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