Particle constructor

Particle({ required Offset position, required Offset velocity, required Color color, required double size, bool isVisible = true, })

Constructor to initialize the particle's properties.

Implementation

Particle({
  required this.position,
  required this.velocity,
  required this.color,
  required this.size,
  this.isVisible = true,
})  : defaultVelocity = velocity,
      mass = size * size;