2024 06 15 canvas sprite rendering confetti cannon integration in game development - bizkite-co/handterm GitHub Wiki


original file name: Codeium Chat - nis4RSWp6bkGGavNfslRfkErL5tnEzCH.md summary: The user is rendering character sprites on a <canvas> element and wants to trigger a confetti cannon effect to indicate game level success. I provided guidance on integrating the canvas-confetti library into their component, including steps to install the package, import it, create a method to trigger the confetti effect, and call the method when the game level is successfully completed. date: 2024-06-15T22:24

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User at 10:24 pm, Jun 15, 2024

I have a <canvas> which I am rendering two character sprites onto.

 render() {
  return (
   <>
    <div
     id={TerminalCssClasses.TerminalGame}
     style={{ position: "relative", height: this.props.canvasHeight }}>
     <div
      className="parallax-background">

      {this.state.isTextScrolling && (
       <ScrollingTextLayer
        text={this.state.textToScroll}
        canvasHeight={this.props.canvasHeight} />
      )}
      {this.state.layers.map((layer, index) => (
       <ParallaxLayer
        key={index}
        layer={layer}
        offset={this.state.backgroundOffsetX}
        canvasHeight={this.props.canvasHeight}
       />
      ))}
     </div>
     <canvas
      style={{ position: "absolute", top: 0, left: 0, zIndex: 2 }}
      ref={this.canvasRef}
      width={this.props.canvasWidth}
      height={this.props.canvasHeight}>
     </canvas>
     <Hero
      ref={this.heroRef}
      currentActionType={this.props.heroActionType}
      scale={1.95}
     />
     <Zombie4
      ref={this.zombie4Ref}
      currentActionType={this.props.zombie4ActionType}
      scale={1.90}
     />
    </div>
   </>
  );
 }

I want to indicate a game level success by having a confetti cannon go off.

How can I do that?


Codeium at 10:25 pm, Jun 15, 2024

To add a confetti effect on game level success, you can use a third-party library like canvas-confetti. Here's a succinct guide on how to integrate it into your existing component:

  1. Install the canvas-confetti package using npm or yarn:

    npm install canvas-confetti
    # or
    yarn add canvas-confetti
  2. Import canvas-confetti at the top of your TerminalGame.tsx file:

    import confetti from 'canvas-confetti';
  3. Create a method in your TerminalGame class to trigger the confetti:

    triggerConfettiCannon() {
      // The confetti function accepts various options to customize the confetti effect
      confetti({
        zIndex: 3, // Ensure it renders above the canvas
        angle: 90,
        spread: 45,
        startVelocity: 45,
        particleCount: 150,
        origin: { y: 0.6 } // Adjust to make it seem like the confetti is coming from the bottom
      });
    }
  4. Call this.triggerConfettiCannon() wherever you determine the game level is successfully completed. This might be within an event handler or lifecycle method where you check for level completion conditions.

Here's a simplified example of how you might call it when a level is completed:

handleLevelComplete = () => {
  // ...other level complete logic
  this.triggerConfettiCannon();
}

Please ensure you've installed canvas-confetti and imported it correctly in your TerminalGame.tsx file. Adjust the confetti options as needed for the desired visual effect.

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