35 lines
933 B
TypeScript
35 lines
933 B
TypeScript
import { GameEngineEntities, GameEntity } from "@types";
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import Matter from "matter-js";
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import {
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GameEngineUpdateEventOptionType,
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TouchEvent,
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} from "react-native-game-engine";
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export const GameLoop = (
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entities: GameEngineEntities,
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{ touches, time, dispatch }: GameEngineUpdateEventOptionType
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) => {
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const engine = entities.physics.engine;
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touches
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.filter((t: TouchEvent) => t.type === "press")
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.forEach((t: TouchEvent) => {
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const balloonBody = (entities.Balloon as GameEntity).body;
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const balloonPos = balloonBody.position as Matter.Vector;
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const { pageX, pageY } = t.event;
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if (
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Math.abs(pageX - balloonPos.x) < 100 &&
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Math.abs(pageY - balloonPos.y) < 100
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) {
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dispatch({
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type: "addToScore",
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});
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Matter.Events.trigger(engine, "removeBalloon");
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}
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});
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Matter.Engine.update(engine, time.delta);
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return entities;
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};
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