Particle Count #2

particle

package main

import "fmt"

type Particle struct {
	x int
	y int
}

type ParticleEmitter struct {
	x         int
	y         int
	Particles []Particle
}

func main() {

	var emitters []ParticleEmitter

	emitters = append(emitters, ParticleEmitter{x: 1, y: 1})
	emitters = append(emitters, ParticleEmitter{x: 2, y: 2})

	for _, e := range emitters {
		e.Particles = append(e.Particles, Particle{x: 32, y: 32})
		e.Particles = append(e.Particles, Particle{x: 32, y: 32})
		e.Particles = append(e.Particles, Particle{x: 32, y: 32})
	}

	// There should be two emitters with three particles each
	particle_count := 0
	emitter_count := 0

	for _, e := range emitters {
		emitter_count++
		for _, p := range e.Particles {
			fmt.Println(p.x)
			particle_count++
		}
	}

	fmt.Println("There are", emitter_count, "emitters and", particle_count, "particles")
	// Output: There are 2 emitters and 0 particles
	// Expected outpit: There are 2 emitters and 6 particles
}