35 lines
975 B
JavaScript
35 lines
975 B
JavaScript
// Particle class (for explosion)
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export class Particle {
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constructor(x, y, color) {
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this.x = x;
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this.y = y;
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this.velocityX = (Math.random() - 0.5) * 5;
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this.velocityY = (Math.random() - 0.5) * 5;
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this.size = Math.random() * 4 + 1; // Tamanho maior para melhor visibilidade
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this.color = color;
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this.alpha = 1;
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this.gravity = 0.05;
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this.resistance = 0.96;
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}
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update() {
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this.velocityX *= this.resistance;
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this.velocityY *= this.resistance;
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this.velocityY += this.gravity;
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this.x += this.velocityX;
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this.y += this.velocityY;
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this.alpha -= 0.01;
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return this.alpha > 0;
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}
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draw(context) {
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context.globalAlpha = this.alpha;
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context.fillStyle = this.color;
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context.beginPath();
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context.arc(this.x, this.y, this.size, 0, Math.PI * 2);
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context.fill();
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context.globalAlpha = 1;
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}
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}
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