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Catch the fruit

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Implement a osu!catch style game.

Introduction

osu!catch is a rhythm game where the player moves a "basket" to catch "fruits" falling from the top of the screen to the beat of a song. Think pong, but with timing.

It is highly recommended to watch this video before reading the question.

Here's a gameplay example from Bubbler: [osu!catch] Hitsuji to Ojisan - XENO [Spec's Overdose]

Input

You are required to take the following inputs:

  • Time: How long your program is supposed to run.

  • Approach Rate: This is the speed at which the "fruits" are supposed to fall down.

  • Beatmap: An array of [time, x position, value] triplets where:

    • Time: you must support time in seconds, at the very least. Higher precision is encouraged.
    • X position: Where it will fall from.
    • Value: The size of the "fruit" will decrease with it's value.

Gameplay

Play area

  • The canvas must be in a 4:3 aspect ratio.
  • The score must be displayed at the top of the screen, in the middle. You do not need to align it.
  • The score starts at 0.
  • Use a dark background(#222222, preferably).

The player

  • The player must be of a rectangular shape, white in color.
  • Height: 1/50 of canvas height, Width: 1/6 of canvas width.
  • The player must be at the bottom of the screen, movable using any two keys of your choice.
  • The player must have a "dash" button. Their speed must increase by a set amount when they hold the dash button.
  • When the player collects a fruit, it must disappear, and it's value must be added to the score.
  • When the player misses a fruit, there should be an indicative visual cue where the fruit fell.(a small red square, preferably)

Fruits

  • Fruit must be square in shape, and red in color.
  • Fruits must fall from the top of the screen, outside the viewport(unless unsupported).
  • Max fruit size is 0.1 × height. Size scales inversely with value.
  • Fruit speed must be related to the approach rate i.e. Higher approach rate must make the fruits fall faster. You may do this however you like, but please be reasonable.
  • The lower edge of the fruit must touch the bottom of the screen at it's time value.

Scoring

This is code-golf. Shortest answer in each language wins.


Meta

  • Is the specification simple enough?
  • I am planning on making a separate [tag:ascii-art] challenge for this. Would that be a better idea?
  • Is the specfication clear?
  • Any further feedback?
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