From f1998c321a4eec6d75b58d84aa8610971bf21979 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Sat, 31 Jul 2021 11:35:39 -0600
Subject: move static files into static sub-dir, refactor nix a bit

---
 src/_posts/2021-03-12-ripple-a-game.md | 311 ---------------------------------
 1 file changed, 311 deletions(-)
 delete mode 100644 src/_posts/2021-03-12-ripple-a-game.md

(limited to 'src/_posts/2021-03-12-ripple-a-game.md')

diff --git a/src/_posts/2021-03-12-ripple-a-game.md b/src/_posts/2021-03-12-ripple-a-game.md
deleted file mode 100644
index e793e6e..0000000
--- a/src/_posts/2021-03-12-ripple-a-game.md
+++ /dev/null
@@ -1,311 +0,0 @@
----
-title: >-
-    Ripple: A Game
-description: >-
-    Hop Till You Drop!
-tags: tech
-series: ripple
----
-
-<p>
-    <b>Movement:</b> Arrow keys or WASD<br/>
-    <b>Jump:</b> Space<br/>
-    <b>Goal:</b> Jump as many times as possible without touching a ripple!<br/>
-    <br/>
-    <b>Press Jump To Begin!</b>
-</p>
-
-<canvas id="canvas"
-        style="border:1px dashed #AAA"
-        tabindex=0>
-Your browser doesn't support canvas. At this point in the world that's actually
-pretty cool, well done!
-</canvas>
-<button onclick="resetGame()">(R)eset</button>
-<span style="font-size: 2rem; margin-left: 1rem;">Score:
-    <span style="font-weight: bold" id="score">0</span>
-</span>
-
-<script type="text/javascript">
-
-const palette = [
-    "#264653",
-    "#2A9D8F",
-    "#E9C46A",
-    "#F4A261",
-    "#E76F51",
-];
-
-const width = 800;
-const height = 600;
-
-function hypotenuse(w, h) {
-    return Math.sqrt(Math.pow(w, 2) + Math.pow(h, 2));
-}
-
-let canvas = document.getElementById("canvas");
-canvas.width = width;
-canvas.height = height;
-
-let score = document.getElementById("score");
-
-const whitelistedKeys = {
-    "ArrowUp": {},
-    "KeyW": {map: "ArrowUp"},
-    "ArrowLeft": {},
-    "KeyA": {map: "ArrowLeft"},
-    "ArrowRight": {},
-    "KeyD": {map: "ArrowRight"},
-    "ArrowDown": {},
-    "KeyS": {map: "ArrowDown"},
-    "Space": {},
-    "KeyR": {},
-};
-
-let keyboard = {};
-
-canvas.addEventListener('keydown', (event) => {
-    let keyInfo = whitelistedKeys[event.code];
-    if (!keyInfo) return;
-
-    let code = event.code;
-    if (keyInfo.map) code = keyInfo.map;
-
-    event.preventDefault();
-    keyboard[code] = true;
-});
-
-canvas.addEventListener('keyup', (event) => {
-    let keyInfo = whitelistedKeys[event.code];
-    if (!keyInfo) return;
-
-    let code = event.code;
-    if (keyInfo.map) code = keyInfo.map;
-
-    event.preventDefault();
-    delete keyboard[code];
-});
-
-let ctx = canvas.getContext("2d");
-
-let currTick;
-let drops;
-
-class Drop {
-    constructor(x, y, bounces, color) {
-        this.tick = currTick;
-        this.x = x;
-        this.y = y;
-        this.thickness = (bounces+1) * 0.25;
-        this.color = color ? color : palette[Math.floor(Math.random() * palette.length)];
-        this.winner = false;
-
-        this.maxRadius = hypotenuse(x, y);
-        this.maxRadius = Math.max(this.maxRadius, hypotenuse(width-x, y));
-        this.maxRadius = Math.max(this.maxRadius, hypotenuse(x, height-y));
-        this.maxRadius = Math.max(this.maxRadius, hypotenuse(width-x, height-y));
-
-        drops.push(this);
-
-        if (bounces > 0) {
-            new Drop(x, -y, bounces-1, this.color);
-            new Drop(-x, y, bounces-1, this.color);
-            new Drop((2*width)-x, y, bounces-1, this.color);
-            new Drop(x, (2*height)-y, bounces-1, this.color);
-        }
-    }
-
-    radius() { return currTick - this.tick; }
-
-    draw() {
-        ctx.beginPath();
-        ctx.arc(this.x, this.y, this.radius(), 0, Math.PI * 2, false);
-        ctx.closePath();
-        ctx.lineWidth = this.thickness;
-        ctx.strokeStyle = this.winner ? "#FF0000" : this.color;
-        ctx.stroke();
-    }
-
-    canGC() {
-        return this.radius() > this.maxRadius;
-    }
-}
-
-const playerRadius = 10;
-const playerMoveAccel = 0.5;
-const playerMoveDecel = 0.7;
-const playerMaxMoveSpeed = 4;
-const playerJumpSpeed = 0.08;
-const playerMaxHeight = 1;
-const playerGravity = 0.01;
-
-class Player{
-    constructor(x, y, color) {
-        this.x = x;
-        this.y = y;
-        this.z = 0;
-        this.xVelocity = 0;
-        this.yVelocity = 0;
-        this.zVelocity = 0;
-        this.color = color;
-        this.falling = false;
-        this.lastJumpHeight = 0;
-        this.loser = false;
-    }
-
-    act() {
-        if (keyboard["ArrowUp"]) {
-            this.yVelocity = Math.max(-playerMaxMoveSpeed, this.yVelocity - playerMoveAccel);
-        } else if (keyboard["ArrowDown"]) {
-            this.yVelocity = Math.min(playerMaxMoveSpeed, this.yVelocity + playerMoveAccel);
-        } else if (this.yVelocity > 0) {
-            this.yVelocity = Math.max(0, this.yVelocity - playerMoveDecel);
-        } else if (this.yVelocity < 0) {
-            this.yVelocity = Math.min(0, this.yVelocity + playerMoveDecel);
-        }
-
-        this.y += this.yVelocity;
-        this.y = Math.max(0+playerRadius, this.y);
-        this.y = Math.min(height-playerRadius, this.y);
-
-        if (keyboard["ArrowLeft"]) {
-            this.xVelocity = Math.max(-playerMaxMoveSpeed, this.xVelocity - playerMoveAccel);
-        } else if (keyboard["ArrowRight"]) {
-            this.xVelocity = Math.min(playerMaxMoveSpeed, this.xVelocity + playerMoveAccel);
-        } else if (this.xVelocity > 0) {
-            this.xVelocity = Math.max(0, this.xVelocity - playerMoveDecel);
-        } else if (this.xVelocity < 0) {
-            this.xVelocity = Math.min(0, this.xVelocity + playerMoveDecel);
-        }
-
-        this.x += this.xVelocity;
-        this.x = Math.max(0+playerRadius, this.x);
-        this.x = Math.min(width-playerRadius, this.x);
-
-        let jumpHeld = keyboard["Space"];
-
-        if (jumpHeld && !this.falling && this.z < playerMaxHeight) {
-            this.lastJumpHeight = 0;
-            this.zVelocity = playerJumpSpeed;
-        } else {
-            this.zVelocity = Math.max(-playerJumpSpeed, this.zVelocity - playerGravity);
-            this.falling = this.z > 0;
-        }
-
-        let prevZ = this.z;
-        this.z = Math.max(0, this.z + this.zVelocity);
-        this.lastJumpHeight = Math.max(this.z, this.lastJumpHeight);
-    }
-
-    draw() {
-        let y = this.y - (this.z * 40);
-        let radius = playerRadius * (this.z+1)
-
-        // draw main
-        ctx.beginPath();
-        ctx.arc(this.x, y, radius, 0, Math.PI * 2, false);
-        ctx.closePath();
-        ctx.lineWidth = 0;
-        ctx.fillStyle = this.color;
-        ctx.fill();
-        if (this.loser) {
-            ctx.strokeStyle = '#FF0000';
-            ctx.lineWidth = 2;
-            ctx.stroke();
-        }
-
-        // draw shadow, if in the air
-        if (this.z > 0) {
-            let radius = Math.max(0, playerRadius * (1.2 - this.z));
-            ctx.beginPath();
-            ctx.arc(this.x, this.y, radius, 0, Math.PI * 2, false);
-            ctx.closePath();
-            ctx.lineWidth = 0;
-            ctx.fillStyle = this.color+"33";
-            ctx.fill();
-        }
-    }
-}
-
-let player;
-let gameState;
-let numJumps;
-
-function resetGame() {
-    currTick = 0;
-    drops = [];
-    player = new Player(width/2, height/2, palette[0]);
-    gameState = 'play';
-    numJumps = 0;
-    canvas.focus();
-}
-resetGame();
-
-let requestAnimationFrame =
-    window.requestAnimationFrame ||
-    window.mozRequestAnimationFrame ||
-    window.webkitRequestAnimationFrame ||
-    window.msRequestAnimationFrame;
-
-function doTick() {
-    if (keyboard['KeyR']) {
-        resetGame();
-    }
-
-    if (gameState == 'play') {
-        let playerPrevZ = player.z;
-        player.act();
-        if (playerPrevZ > 0 && player.z == 0) {
-            let bounces = Math.floor((player.lastJumpHeight*1.8)+1);
-            console.log("spawning drop with bounces:", bounces);
-            new Drop(player.x, player.y, bounces);
-        } else if (playerPrevZ == 0 && player.z > 0) {
-            numJumps++;
-        }
-        score.innerHTML = numJumps;
-
-        if (player.z == 0) {
-            for (let i in drops) {
-                let drop = drops[i];
-                let dropRadius = drop.radius();
-                if (dropRadius < playerRadius * 1.5) continue;
-                let hs = Math.pow(drop.x-player.x, 2) + Math.pow(drop.y-player.y, 2);
-                if (hs > Math.pow(playerRadius + dropRadius, 2)) {
-                    continue;
-                } else if (Math.sqrt(hs) <= Math.abs(dropRadius-playerRadius)) {
-                    continue;
-                } else {
-                    console.log("game over");
-                    drop.winner = true;
-                    player.loser = true;
-                    gameState = 'gameOver';
-                }
-            }
-        }
-    }
-
-    drops = drops.filter(drop => !drop.canGC());
-
-    ctx.clearRect(0, 0, canvas.width, canvas.height);
-    drops.forEach(drop => drop.draw());
-    player.draw()
-
-    if (gameState == 'play') currTick++;
-    requestAnimationFrame(doTick);
-}
-requestAnimationFrame(doTick);
-
-</script>
-
-_Do you have the patience to wait<br/>
-till your mud settles and the water is clear?_
-
-## Backstory
-
-This is a game I originally implemented in lua, which you can find [here][orig].
-It's a fun concept that I wanted to show off again, as well as to see if I could
-whip it up in an evening in javascript (I can!)
-
-Send me your high scores! I top out around 17.
-
-[orig]: https://github.com/mediocregopher/ripple
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