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Avoid_The_Tree.js
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Avoid_The_Tree.js
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/*
@title: Avoid_The_Tree
@author: Samarth Verulkar
References and inspirations:
Coding Demo 5: Gravity by Leonard (Omay)
flappy_bird_but_no_gravity_and_worse by sam liu
*/
let vy = 0;
const jumpHeight = -10;
const gravity = 5;
const terminalVelocity = 1;
const minTime = 150;
const maxTime = 250;
const dino = "p";
const sky = "s";
const cactus_1 = "o";
const ground = "g";
var score = 0;
var opening = 3;
var speed = 150;
var gameOver = false;
setLegend(
[dino, bitmap`
......44........
...4444.........
.....44.........
.....66.........
...666666.......
..66666666......
.666666000......
.6666600006.....
666666600666....
666666666666....
6666666666666333
6666666666666333
66666666666663..
.66666666666....
.6666666666.....
.66666666.......`],
[sky, bitmap`
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777`],
[cactus_1, bitmap`
CCCCCCCCCCCCCCCC
CCCCCCCCCCCCCCCC
CCCCDDCCCCCCCCCC
CCDDCDCCCCCCCCCC
CDDDDDCCCCDDCCCC
DDDDDCCCCCDDDCCC
DDDCCCCCCCCDDCCC
CCCCCCCCCCCDDDCC
CCCCCCCCCCCCDDDC
CCCCCCCCCCCCDDDD
CCCDCCCCCCCCCCDC
CDDDCCCCCCCCCCCC
DDDCCCCCCCCDCCCC
CCCCCCCCCCCDDCCC
CCCCCCCCCCCCDDDC
CCCCCCCCCCCCCDDC`],
[ground, bitmap`
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
7777777777777777
77777CCCCCCCCCC7
CCCCCCCCCCCCCCCC
CCCCCCCCCCCCCCCC
CCCCCCCCCCCCCCCC
CCCCCCCCCCCCCCCC`],
);
setSolids([dino]);
setBackground(sky);
let level = 0;
const levels = [
map`
ssssss
ssssss
pggggg`,
];
setMap(levels[level]);
setPushables({
[ dino ]: [],
});
function checkGrounded(obj){
var py = obj.y;
obj.y++;
if(py === obj.y){
return true;
}else{
obj.y--;
return false;
}
}
onInput("w", () => {
if(checkGrounded(getFirst(dino))){
vy = jumpHeight;
}
});
function lerp(a, b, f){
return (a * (1 - f)) + (b * f);
}
function constrain(n, mi, ma){
return (n < mi) ? mi : ((n > ma) ? ma : n);
}
function tick(){
if(getFirst(dino)) getFirst(dino).y += Math.sign(vy);
vy += gravity;
vy = constrain(vy, -terminalVelocity, terminalVelocity);
setTimeout(tick, lerp(minTime, maxTime, Math.abs(vy)/terminalVelocity));
}
function createCactus1() {
let x = width()-1;
let y = 2;
addSprite(x, y, cactus_1);
}
function gameLoop() {
getAll(cactus_1).forEach((o) => {
if (o.x == 0) {
o.remove();
score += 1;
} else {
o.x -= 1;
};
});
if (getAll(cactus_1).length == 0 && Math.random() < 0.3) {
createCactus1();
}
if (tilesWith(cactus_1, dino).length > 0) {
lost();
}
speed -= (150-speed);
if (!gameOver) {
setTimeout(gameLoop, speed);
}
}
function lost() {
gameOver = true;
console.log("You lost");
setMap(map`
ssssss
ssssss
ssssss`);
clearText();
addText(`Game over!\n\nScore: ${score}`, {x:1, y: 6, color: color`2`})
}
gameLoop();
tick();