/
GameLabJr.interpreted.js
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/
GameLabJr.interpreted.js
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/* This file is only executed within JSInterpreter */
/* eslint-disable no-unused-vars */
/* global
*
* CENTER,
* World,
* background,
* createEdgeSprites,
* createGroup,
* createSprite,
* drawSprites,
* edges,
* fill,
* keyDown,
* keyWentDown,
* mousePressedOver,
* mouseWentDown,
* randomNumber,
* rect,
* text,
* textAlign,
* textSize,
*/
createEdgeSprites();
let inputEvents = [];
let collisionEvents = [];
let loops = [];
let sprites = [];
let score = 0;
let game_over = false;
let show_score = false;
// Behaviors
function addBehavior(sprite, behavior, name) {
var index = sprite.behavior_keys.indexOf(name);
if (index === -1) {
sprite.behavior_keys.push(name);
}
sprite.behaviors[name] = behavior;
}
function removeBehavior(sprite, behavior, name) {
var index = sprite.behavior_keys.indexOf(name);
if (index > -1) {
sprite.behavior_keys.splice(index, 1);
}
}
function hasBehavior(sprite, behavior, name) {
var index = sprite.behavior_keys.indexOf(name);
return index > -1;
}
function patrol(sprite, direction) {
if (direction === undefined) {
direction = "vertical";
}
if (direction === "vertical") {
if (sprite.velocityY === 0) {sprite.velocityY = sprite.speed;}
sprite.bounceOff(edges);
} else if (direction === "horizontal") {
if (sprite.velocityX === 0) {sprite.velocityX = sprite.speed;}
sprite.bounceOff(edges);
}
sprite.patrolling = true;
}
function gravity(sprite) {
if (sprite.velocityY < 10) {
sprite.velocityY += 0.5;
}
}
//Events
function whenUpArrow(event) {
inputEvents.push({type: keyWentDown, event: event, param: 'up'});
}
function whenDownArrow(event) {
inputEvents.push({type: keyWentDown, event: event, param: 'down'});
}
function whenLeftArrow(event) {
inputEvents.push({type: keyWentDown, event: event, param: 'left'});
}
function whenRightArrow(event) {
inputEvents.push({type: keyWentDown, event: event, param: 'right'});
}
function whenSpace(event) {
inputEvents.push({type: keyWentDown, event: event, param: 'space'});
}
function whileUpArrow(event) {
inputEvents.push({type: keyDown, event: event, param: 'up'});
}
function whileDownArrow(event) {
inputEvents.push({type: keyDown, event: event, param: 'down'});
}
function whileLeftArrow(event) {
inputEvents.push({type: keyDown, event: event, param: 'left'});
}
function whileRightArrow(event) {
inputEvents.push({type: keyDown, event: event, param: 'right'});
}
function whileSpace(event) {
inputEvents.push({type: keyDown, event: event, param: 'space'});
}
function whenMouseClicked(event) {
inputEvents.push({type: mouseWentDown, event: event, param: 'leftButton'});
}
function clickedOn(sprite, event) {
inputEvents.push({type: mousePressedOver, event: event, param: sprite});
}
function spriteDestroyed(sprite, event) {
inputEvents.push({type: isDestroyed, event: event, param: sprite});
}
function whenTouching(a, b, event) {
collisionEvents.push({a: a, b: b, event: event});
}
// Loops
function repeatWhile(condition, loop) {
loops.push({'condition': condition, 'loop': loop});
}
function forever(loop) {
loops.push({'condition': function () {return true;}, 'loop': loop});
}
// Sprite and Group creation
function makeNewSprite(animation, x, y) {
var sprite = createSprite(x, y);
sprite.setAnimation(animation);
sprites.push(sprite);
sprite.speed = 10;
sprite.patrolling = false;
sprite.things_to_say = [];
sprite.behavior_keys = [];
sprite.behaviors = {};
sprite.setSpeed = function (speed) {
sprite.speed = speed;
};
sprite.moveUp = function () {
sprite.y = sprite.y - sprite.speed;
};
sprite.moveDown = function () {
sprite.y = sprite.y + sprite.speed;
};
sprite.moveLeft = function () {
sprite.x = sprite.x - sprite.speed;
};
sprite.moveRight = function () {
sprite.x = sprite.x + sprite.speed;
};
sprite.jump = function () {
sprite.velocityY = -7;
};
sprite.setPosition = function (position) {
if (position === "top left") {
sprite.x = 50;
sprite.y = 50;
} else if (position === "top center") {
sprite.x = 200;
sprite.y = 50;
} else if (position === "bottom right") {
sprite.x = 350;
sprite.y = 350;
} else if (position === "center right") {
sprite.x = 350;
sprite.y = 200;
} else if (position === "random") {
sprite.x = randomNumber(50, 350);
sprite.y = randomNumber(50, 350);
}
};
sprite.setScale = function (scale) {
sprite.scale = scale;
};
sprite.say = function (text, time) {
time = time || 50;
sprite.things_to_say.push([text, time]);
};
sprite.stop_say = function () {
sprite.things_to_say = [];
};
return sprite;
}
function makeNewGroup() {
var group = createGroup();
group.addBehaviorEach = function (behavior, name) {
for (var i=0; i < group.length; i++) {
addBehavior(group[i], behavior, name);
}
};
group.destroy = group.destroyEach;
return group;
}
// Helper functions
function randomLoc() {
return randomNumber(50, 350);
}
function setBackground(color) {
World.background_color = color;
}
function showScore() {
show_score = true;
}
function endGame() {
game_over = true;
}
function isDestroyed(sprite) {
return World.allSprites.indexOf(sprite) === -1;
}
function draw() {
background(World.background_color || "white");
// Run input events
for (var i=0; i<inputEvents.length; i++) {
const eventType = inputEvents[i].type;
const event = inputEvents[i].event;
const param = inputEvents[i].param;
if (eventType(param)) {
event();
}
}
// Run collision events
for (let i=0; i<collisionEvents.length; i++) {
const a = collisionEvents[i].a;
const b = collisionEvents[i].b;
const event = collisionEvents[i].event;
a.overlap(b, event);
//if (a.isTouching(b) && a.visible && b.visible) event();
}
// Run loops
for (let i=0; i<loops.length; i++) {
var loop = loops[i];
if (!loop.condition()) {
loops.splice(i, 1);
} else {
loop.loop();
}
}
drawSprites();
for (let i=0; i<sprites.length; i++) {
var sprite = sprites[i];
// Perform sprite behaviors
for (var j=0; j<sprite.behavior_keys.length; j++) {
sprite.behaviors[sprite.behavior_keys[j]](sprite);
}
// Make sprites say things
if (sprite.things_to_say.length > 0) {
fill("white");
rect(sprite.x + 10, sprite.y - 15, sprite.things_to_say[0][0].length * 7, 20);
fill("black");
text(sprite.things_to_say[0][0], sprite.x + 15, sprite.y);
if (sprite.things_to_say[0][1] === 0) {
sprite.things_to_say.shift();
} else if (sprite.things_to_say[0][1] > -1) {
sprite.things_to_say[0][1]--;
}
}
}
if (show_score) {
fill("black");
textAlign(CENTER);
textSize(20);
text("Score: " + score, 0, 20, 400, 20);
}
if (game_over) {
fill("black");
textAlign(CENTER);
textSize(50);
text("Game Over", 200, 200);
}
}