particle.go


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package mt

type AttractionKind uint8

const (
	NoAttraction    AttractionKind = iota // None
	PointAttraction                       // Point
	LineAttraction                        // Line
	PlaneAttraction                       // Plane
)

//go:generate stringer -linecomment -type AttractionKind

type ParticleSpawnerFlags uint8

const (
	AttractorKill ParticleSpawnerFlags = 1 << iota // Particle dies on contact
)

//go:generate stringer -linecomment -type ParticleSpawnerFlags

type ParticleTextureFlags uint8

const (
	Animated ParticleTextureFlags = 1 << iota // Animated
)

//go:generate stringer -linecomment -type ParticleTextureFlags

type ParticleTexture struct {
	Flags ParticleTextureFlags
	Alpha TweenF32
	Scale TweenV2F32

	//mt:if %s.Flags & Animated == Animated
	Animation TileAnim
	//mt:end
}